package agent import ( "bytes" "crypto/tls" "crypto/x509" "encoding/json" "fmt" "io" "io/ioutil" "net/http" "net/http/httptest" "os" "reflect" "strings" "testing" "time" "github.com/hashicorp/consul/acl" "github.com/hashicorp/consul/agent/checks" "github.com/hashicorp/consul/agent/config" "github.com/hashicorp/consul/agent/connect" "github.com/hashicorp/consul/agent/debug" "github.com/hashicorp/consul/agent/local" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/lib" "github.com/hashicorp/consul/logger" "github.com/hashicorp/consul/testrpc" "github.com/hashicorp/consul/testutil/retry" "github.com/hashicorp/consul/types" "github.com/hashicorp/serf/serf" "github.com/mitchellh/copystructure" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func makeReadOnlyAgentACL(t *testing.T, srv *HTTPServer) string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `agent "" { policy = "read" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) return aclResp.ID } func TestAgent_Services(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv1 := &structs.NodeService{ ID: "mysql", Service: "mysql", Tags: []string{"master"}, Meta: map[string]string{ "foo": "bar", }, Port: 5000, } require.NoError(t, a.State.AddService(srv1, "")) // Add a managed proxy for that service prxy1 := &structs.ConnectManagedProxy{ ExecMode: structs.ProxyExecModeScript, Command: []string{"proxy.sh"}, Config: map[string]interface{}{ "bind_port": 1234, "foo": "bar", }, TargetServiceID: "mysql", Upstreams: structs.TestUpstreams(t), } _, err := a.State.AddProxy(prxy1, "", "") require.NoError(t, err) req, _ := http.NewRequest("GET", "/v1/agent/services", nil) obj, err := a.srv.AgentServices(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[string]*api.AgentService) assert.Lenf(t, val, 1, "bad services: %v", obj) assert.Equal(t, 5000, val["mysql"].Port) assert.Equal(t, srv1.Meta, val["mysql"].Meta) require.NotNil(t, val["mysql"].Connect) require.NotNil(t, val["mysql"].Connect.Proxy) assert.Equal(t, prxy1.ExecMode.String(), string(val["mysql"].Connect.Proxy.ExecMode)) assert.Equal(t, prxy1.Command, val["mysql"].Connect.Proxy.Command) assert.Equal(t, prxy1.Config, val["mysql"].Connect.Proxy.Config) assert.Equal(t, prxy1.Upstreams.ToAPI(), val["mysql"].Connect.Proxy.Upstreams) } // This tests that the agent services endpoint (/v1/agent/services) returns // Connect proxies. func TestAgent_Services_ExternalConnectProxy(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv1 := &structs.NodeService{ Kind: structs.ServiceKindConnectProxy, ID: "db-proxy", Service: "db-proxy", Port: 5000, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "db", Upstreams: structs.TestUpstreams(t), }, } a.State.AddService(srv1, "") req, _ := http.NewRequest("GET", "/v1/agent/services", nil) obj, err := a.srv.AgentServices(nil, req) assert.Nil(err) val := obj.(map[string]*api.AgentService) assert.Len(val, 1) actual := val["db-proxy"] assert.Equal(api.ServiceKindConnectProxy, actual.Kind) assert.Equal(srv1.Proxy.ToAPI(), actual.Proxy) // DEPRECATED (ProxyDestination) - remove the next comment and assertion // Should still have deprecated ProxyDestination filled in until we remove it // completely at a major version bump. assert.Equal(srv1.Proxy.DestinationServiceName, actual.ProxyDestination) } // Thie tests that a sidecar-registered service is returned as expected. func TestAgent_Services_Sidecar(t *testing.T) { t.Parallel() require := require.New(t) assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") srv1 := &structs.NodeService{ Kind: structs.ServiceKindConnectProxy, ID: "db-sidecar-proxy", Service: "db-sidecar-proxy", Port: 5000, // Set this internal state that we expect sidecar registrations to have. LocallyRegisteredAsSidecar: true, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "db", Upstreams: structs.TestUpstreams(t), }, } a.State.AddService(srv1, "") req, _ := http.NewRequest("GET", "/v1/agent/services", nil) obj, err := a.srv.AgentServices(nil, req) require.NoError(err) val := obj.(map[string]*api.AgentService) assert.Len(val, 1) actual := val["db-sidecar-proxy"] require.NotNil(actual) assert.Equal(api.ServiceKindConnectProxy, actual.Kind) assert.Equal(srv1.Proxy.ToAPI(), actual.Proxy) // DEPRECATED (ProxyDestination) - remove the next comment and assertion // Should still have deprecated ProxyDestination filled in until we remove it // completely at a major version bump. assert.Equal(srv1.Proxy.DestinationServiceName, actual.ProxyDestination) // Sanity check that LocalRegisteredAsSidecar is not in the output (assuming // JSON encoding). Right now this is not the case becuase the services // endpoint happens to use the api struct which doesn't include that field, // but this test serves as a regression test incase we change the endpoint to // return the internal struct later and accidentally expose some "internal" // state. output, err := json.Marshal(obj) require.NoError(err) assert.NotContains(string(output), "LocallyRegisteredAsSidecar") assert.NotContains(string(output), "locally_registered_as_sidecar") } func TestAgent_Services_ACLFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") srv1 := &structs.NodeService{ ID: "mysql", Service: "mysql", Tags: []string{"master"}, Port: 5000, } a.State.AddService(srv1, "") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/services", nil) obj, err := a.srv.AgentServices(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[string]*api.AgentService) if len(val) != 0 { t.Fatalf("bad: %v", obj) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/services?token=root", nil) obj, err := a.srv.AgentServices(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[string]*api.AgentService) if len(val) != 1 { t.Fatalf("bad: %v", obj) } }) } func TestAgent_Service(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()+` services { name = "web" port = 8181 } `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") proxy := structs.TestConnectProxyConfig(t) proxy.DestinationServiceID = "web1" // Define a valid local sidecar proxy service sidecarProxy := &structs.ServiceDefinition{ Kind: structs.ServiceKindConnectProxy, Name: "web-sidecar-proxy", Check: structs.CheckType{ TCP: "127.0.0.1:8000", Interval: 10 * time.Second, }, Port: 8000, Proxy: &proxy, Weights: &structs.Weights{ Passing: 1, Warning: 1, }, } // Define an updated version. Be careful to copy it. updatedProxy := *sidecarProxy updatedProxy.Port = 9999 // Mangle the proxy config/upstreams into the expected for with defaults and // API struct types. expectProxy := proxy expectProxy.Upstreams = structs.TestAddDefaultsToUpstreams(t, sidecarProxy.Proxy.Upstreams) expectedResponse := &api.AgentService{ Kind: api.ServiceKindConnectProxy, ID: "web-sidecar-proxy", Service: "web-sidecar-proxy", Port: 8000, Proxy: expectProxy.ToAPI(), ContentHash: "3442362e971c43d1", Weights: api.AgentWeights{ Passing: 1, Warning: 1, }, } // Copy and modify updatedResponse := *expectedResponse updatedResponse.Port = 9999 updatedResponse.ContentHash = "90b5c19bf0f5073" // Simple response for non-proxy service registered in TestAgent config expectWebResponse := &api.AgentService{ ID: "web", Service: "web", Port: 8181, ContentHash: "69351c1ac865b034", Weights: api.AgentWeights{ Passing: 1, Warning: 1, }, } tests := []struct { name string tokenRules string url string updateFunc func() wantWait time.Duration wantCode int wantErr string wantResp *api.AgentService }{ { name: "simple fetch - proxy", url: "/v1/agent/service/web-sidecar-proxy", wantCode: 200, wantResp: expectedResponse, }, { name: "simple fetch - non-proxy", url: "/v1/agent/service/web", wantCode: 200, wantResp: expectWebResponse, }, { name: "blocking fetch timeout, no change", url: "/v1/agent/service/web-sidecar-proxy?hash=" + expectedResponse.ContentHash + "&wait=100ms", wantWait: 100 * time.Millisecond, wantCode: 200, wantResp: expectedResponse, }, { name: "blocking fetch old hash should return immediately", url: "/v1/agent/service/web-sidecar-proxy?hash=123456789abcd&wait=10m", wantCode: 200, wantResp: expectedResponse, }, { name: "blocking fetch returns change", url: "/v1/agent/service/web-sidecar-proxy?hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Re-register with new proxy config, make sure we copy the struct so we // don't alter it and affect later test cases. req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(updatedProxy)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(t, err) require.Equal(t, 200, resp.Code, "body: %s", resp.Body.String()) }, wantWait: 100 * time.Millisecond, wantCode: 200, wantResp: &updatedResponse, }, { // This test exercises a case that caused a busy loop to eat CPU for the // entire duration of the blocking query. If a service gets re-registered // wth same proxy config then the old proxy config chan is closed causing // blocked watchset.Watch to return false indicating a change. But since // the hash is the same when the blocking fn is re-called we should just // keep blocking on the next iteration. The bug hit was that the WatchSet // ws was not being reset in the loop and so when you try to `Watch` it // the second time it just returns immediately making the blocking loop // into a busy-poll! // // This test though doesn't catch that because busy poll still has the // correct external behaviour. I don't want to instrument the loop to // assert it's not executing too fast here as I can't think of a clean way // and the issue is fixed now so this test doesn't actually catch the // error, but does provide an easy way to verify the behaviour by hand: // 1. Make this test fail e.g. change wantErr to true // 2. Add a log.Println or similar into the blocking loop/function // 3. See whether it's called just once or many times in a tight loop. name: "blocking fetch interrupted with no change (same hash)", url: "/v1/agent/service/web-sidecar-proxy?wait=200ms&hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Re-register with _same_ proxy config req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(sidecarProxy)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(t, err) require.Equal(t, 200, resp.Code, "body: %s", resp.Body.String()) }, wantWait: 200 * time.Millisecond, wantCode: 200, wantResp: expectedResponse, }, { // When we reload config, the agent pauses Anti-entropy, then clears all // services (which causes their watch chans to be closed) before loading // state from config/snapshot again). If we do that naively then we don't // just get a spurios wakeup on the watch if the service didn't change, // but we get it wakeup and then race with the reload and probably see no // services and return a 404 error which is gross. This test excercises // that - even though the registrations were from API not config, they are // persisted and cleared/reloaded from snapshot which has same effect. // // The fix for this test is to allow the same mechanism that pauses // Anti-entropy during reload to also pause the hash blocking loop so we // don't resume until the state is reloaded and we get a chance to see if // it actually changed or not. name: "blocking fetch interrupted by reload shouldn't 404 - no change", url: "/v1/agent/service/web-sidecar-proxy?wait=200ms&hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Reload require.NoError(t, a.ReloadConfig(a.Config)) }, // Should eventually timeout since there is no actual change wantWait: 200 * time.Millisecond, wantCode: 200, wantResp: expectedResponse, }, { // As above but test actually altering the service with the config reload. // This simulates the API registration being overridden by a different one // on disk during reload. name: "blocking fetch interrupted by reload shouldn't 404 - changes", url: "/v1/agent/service/web-sidecar-proxy?wait=10m&hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Reload newConfig := *a.Config newConfig.Services = append(newConfig.Services, &updatedProxy) require.NoError(t, a.ReloadConfig(&newConfig)) }, wantWait: 100 * time.Millisecond, wantCode: 200, wantResp: &updatedResponse, }, { name: "err: non-existent proxy", url: "/v1/agent/service/nope", wantCode: 404, }, { name: "err: bad ACL for service", url: "/v1/agent/service/web-sidecar-proxy", // Limited token doesn't grant read to the service tokenRules: ` key "" { policy = "read" } `, // Note that because we return ErrPermissionDenied and handle writing // status at a higher level helper this actually gets a 200 in this test // case so just assert that it was an error. wantErr: "Permission denied", }, { name: "good ACL for service", url: "/v1/agent/service/web-sidecar-proxy", // Limited token doesn't grant read to the service tokenRules: ` service "web-sidecar-proxy" { policy = "read" } `, wantCode: 200, wantResp: expectedResponse, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { assert := assert.New(t) require := require.New(t) // Register the basic service to ensure it's in a known state to start. { req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(sidecarProxy)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } req, _ := http.NewRequest("GET", tt.url, nil) // Inject the root token for tests that don't care about ACL var token = "root" if tt.tokenRules != "" { // Create new token and use that. token = testCreateToken(t, a, tt.tokenRules) } req.Header.Set("X-Consul-Token", token) resp := httptest.NewRecorder() if tt.updateFunc != nil { go tt.updateFunc() } start := time.Now() obj, err := a.srv.AgentService(resp, req) elapsed := time.Now().Sub(start) if tt.wantErr != "" { require.Error(err) require.Contains(strings.ToLower(err.Error()), strings.ToLower(tt.wantErr)) } else { require.NoError(err) } if tt.wantCode != 0 { require.Equal(tt.wantCode, resp.Code, "body: %s", resp.Body.String()) } if tt.wantWait != 0 { assert.True(elapsed >= tt.wantWait, "should have waited at least %s, "+ "took %s", tt.wantWait, elapsed) } else { assert.True(elapsed < 10*time.Millisecond, "should not have waited, "+ "took %s", elapsed) } if tt.wantResp != nil { assert.Equal(tt.wantResp, obj) assert.Equal(tt.wantResp.ContentHash, resp.Header().Get("X-Consul-ContentHash")) } else { // Janky but Equal doesn't help here because nil != // *api.AgentService((*api.AgentService)(nil)) assert.Nil(obj) } }) } } // DEPRECATED(managed-proxies) - remove this In the interim, we need the newer // /agent/service/service to work for managed proxies so we can swithc the built // in proxy to use only that without breaking managed proxies early. func TestAgent_Service_DeprecatedManagedProxy(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") svc := &structs.ServiceDefinition{ Name: "web", Port: 8000, Check: structs.CheckType{ TTL: 10 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{ // Fix the command otherwise the executable path ends up being random // temp dir in every test run so the ContentHash will never match. Command: []string{"foo"}, Config: map[string]interface{}{ "foo": "bar", "bind_address": "10.10.10.10", "bind_port": 9999, // make this deterministic }, Upstreams: structs.TestUpstreams(t), }, }, } require := require.New(t) rr := httptest.NewRecorder() req, _ := http.NewRequest("POST", "/v1/agent/services/register", jsonReader(svc)) _, err := a.srv.AgentRegisterService(rr, req) require.NoError(err) require.Equal(200, rr.Code, "body:\n"+rr.Body.String()) rr = httptest.NewRecorder() req, _ = http.NewRequest("GET", "/v1/agent/service/web-proxy", nil) obj, err := a.srv.AgentService(rr, req) require.NoError(err) require.Equal(200, rr.Code, "body:\n"+rr.Body.String()) gotService, ok := obj.(*api.AgentService) require.True(ok) expect := &api.AgentService{ Kind: api.ServiceKindConnectProxy, ID: "web-proxy", Service: "web-proxy", Port: 9999, Address: "10.10.10.10", ContentHash: "e24f099e42e88317", Proxy: &api.AgentServiceConnectProxyConfig{ DestinationServiceID: "web", DestinationServiceName: "web", LocalServiceAddress: "127.0.0.1", LocalServicePort: 8000, Config: map[string]interface{}{ "foo": "bar", "bind_port": 9999, "bind_address": "10.10.10.10", "local_service_address": "127.0.0.1:8000", }, Upstreams: structs.TestAddDefaultsToUpstreams(t, svc.Connect.Proxy.Upstreams).ToAPI(), }, } require.Equal(expect, gotService) } func TestAgent_Checks(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") chk1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "mysql", Name: "mysql", Status: api.HealthPassing, } a.State.AddCheck(chk1, "") req, _ := http.NewRequest("GET", "/v1/agent/checks", nil) obj, err := a.srv.AgentChecks(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[types.CheckID]*structs.HealthCheck) if len(val) != 1 { t.Fatalf("bad checks: %v", obj) } if val["mysql"].Status != api.HealthPassing { t.Fatalf("bad check: %v", obj) } } func TestAgent_Checks_ACLFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "mysql", Name: "mysql", Status: api.HealthPassing, } a.State.AddCheck(chk1, "") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/checks", nil) obj, err := a.srv.AgentChecks(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[types.CheckID]*structs.HealthCheck) if len(val) != 0 { t.Fatalf("bad checks: %v", obj) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/checks?token=root", nil) obj, err := a.srv.AgentChecks(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.(map[types.CheckID]*structs.HealthCheck) if len(val) != 1 { t.Fatalf("bad checks: %v", obj) } }) } func TestAgent_Self(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` node_meta { somekey = "somevalue" } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/self", nil) obj, err := a.srv.AgentSelf(nil, req) if err != nil { t.Fatalf("err: %v", err) } val := obj.(Self) if int(val.Member.Port) != a.Config.SerfPortLAN { t.Fatalf("incorrect port: %v", obj) } if val.DebugConfig["SerfPortLAN"].(int) != a.Config.SerfPortLAN { t.Fatalf("incorrect port: %v", obj) } cs, err := a.GetLANCoordinate() if err != nil { t.Fatalf("err: %v", err) } if c := cs[a.config.SegmentName]; !reflect.DeepEqual(c, val.Coord) { t.Fatalf("coordinates are not equal: %v != %v", c, val.Coord) } delete(val.Meta, structs.MetaSegmentKey) // Added later, not in config. if !reflect.DeepEqual(a.config.NodeMeta, val.Meta) { t.Fatalf("meta fields are not equal: %v != %v", a.config.NodeMeta, val.Meta) } } func TestAgent_Self_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/self", nil) if _, err := a.srv.AgentSelf(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("agent master token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/self?token=towel", nil) if _, err := a.srv.AgentSelf(nil, req); err != nil { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a.srv) req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/agent/self?token=%s", ro), nil) if _, err := a.srv.AgentSelf(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_Metrics_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/metrics", nil) if _, err := a.srv.AgentMetrics(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("agent master token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/metrics?token=towel", nil) if _, err := a.srv.AgentMetrics(nil, req); err != nil { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a.srv) req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/agent/metrics?token=%s", ro), nil) if _, err := a.srv.AgentMetrics(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_Reload(t *testing.T) { t.Parallel() dc1 := "dc1" a := NewTestAgent(t.Name(), ` acl_enforce_version_8 = false services = [ { name = "redis" } ] watches = [ { datacenter = "`+dc1+`" type = "key" key = "test" handler = "true" } ] limits = { rpc_rate=1 rpc_max_burst=100 } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, dc1) if a.State.Service("redis") == nil { t.Fatal("missing redis service") } cfg2 := TestConfig(config.Source{ Name: "reload", Format: "hcl", Data: ` data_dir = "` + a.Config.DataDir + `" node_id = "` + string(a.Config.NodeID) + `" node_name = "` + a.Config.NodeName + `" acl_enforce_version_8 = false services = [ { name = "redis-reloaded" } ] limits = { rpc_rate=2 rpc_max_burst=200 } `, }) if err := a.ReloadConfig(cfg2); err != nil { t.Fatalf("got error %v want nil", err) } if a.State.Service("redis-reloaded") == nil { t.Fatal("missing redis-reloaded service") } if a.config.RPCRateLimit != 2 { t.Fatalf("RPC rate not set correctly. Got %v. Want 2", a.config.RPCRateLimit) } if a.config.RPCMaxBurst != 200 { t.Fatalf("RPC max burst not set correctly. Got %v. Want 200", a.config.RPCMaxBurst) } for _, wp := range a.watchPlans { if !wp.IsStopped() { t.Fatalf("Reloading configs should stop watch plans of the previous configuration") } } } func TestAgent_Reload_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/reload", nil) if _, err := a.srv.AgentReload(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a.srv) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/reload?token=%s", ro), nil) if _, err := a.srv.AgentReload(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) // This proves we call the ACL function, and we've got the other reload // test to prove we do the reload, which should be sufficient. // The reload logic is a little complex to set up so isn't worth // repeating again here. } func TestAgent_Members(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/members", nil) obj, err := a.srv.AgentMembers(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.([]serf.Member) if len(val) == 0 { t.Fatalf("bad members: %v", obj) } if int(val[0].Port) != a.Config.SerfPortLAN { t.Fatalf("not lan: %v", obj) } } func TestAgent_Members_WAN(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/members?wan=true", nil) obj, err := a.srv.AgentMembers(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.([]serf.Member) if len(val) == 0 { t.Fatalf("bad members: %v", obj) } if int(val[0].Port) != a.Config.SerfPortWAN { t.Fatalf("not wan: %v", obj) } } func TestAgent_Members_ACLFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/members", nil) obj, err := a.srv.AgentMembers(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.([]serf.Member) if len(val) != 0 { t.Fatalf("bad members: %v", obj) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/agent/members?token=root", nil) obj, err := a.srv.AgentMembers(nil, req) if err != nil { t.Fatalf("Err: %v", err) } val := obj.([]serf.Member) if len(val) != 1 { t.Fatalf("bad members: %v", obj) } }) } func TestAgent_Join(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), "") defer a1.Shutdown() a2 := NewTestAgent(t.Name(), "") defer a2.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") testrpc.WaitForLeader(t, a2.RPC, "dc1") addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/join/%s", addr), nil) obj, err := a1.srv.AgentJoin(nil, req) if err != nil { t.Fatalf("Err: %v", err) } if obj != nil { t.Fatalf("Err: %v", obj) } if len(a1.LANMembers()) != 2 { t.Fatalf("should have 2 members") } retry.Run(t, func(r *retry.R) { if got, want := len(a2.LANMembers()), 2; got != want { r.Fatalf("got %d LAN members want %d", got, want) } }) } func TestAgent_Join_WAN(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), "") defer a1.Shutdown() a2 := NewTestAgent(t.Name(), "") defer a2.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") testrpc.WaitForLeader(t, a2.RPC, "dc1") addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortWAN) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/join/%s?wan=true", addr), nil) obj, err := a1.srv.AgentJoin(nil, req) if err != nil { t.Fatalf("Err: %v", err) } if obj != nil { t.Fatalf("Err: %v", obj) } if len(a1.WANMembers()) != 2 { t.Fatalf("should have 2 members") } retry.Run(t, func(r *retry.R) { if got, want := len(a2.WANMembers()), 2; got != want { r.Fatalf("got %d WAN members want %d", got, want) } }) } func TestAgent_Join_ACLDeny(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), TestACLConfig()) defer a1.Shutdown() a2 := NewTestAgent(t.Name(), "") defer a2.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") testrpc.WaitForLeader(t, a2.RPC, "dc1") addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN) t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/join/%s", addr), nil) if _, err := a1.srv.AgentJoin(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("agent master token", func(t *testing.T) { req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/join/%s?token=towel", addr), nil) _, err := a1.srv.AgentJoin(nil, req) if err != nil { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a1.srv) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/join/%s?token=%s", addr, ro), nil) if _, err := a1.srv.AgentJoin(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) } type mockNotifier struct{ s string } func (n *mockNotifier) Notify(state string) error { n.s = state return nil } func TestAgent_JoinLANNotify(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), "") defer a1.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") a2 := NewTestAgent(t.Name(), ` server = false bootstrap = false `) defer a2.Shutdown() notif := &mockNotifier{} a1.joinLANNotifier = notif addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN) _, err := a1.JoinLAN([]string{addr}) if err != nil { t.Fatalf("err: %v", err) } if got, want := notif.s, "READY=1"; got != want { t.Fatalf("got joinLAN notification %q want %q", got, want) } } func TestAgent_Leave(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), "") defer a1.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") a2 := NewTestAgent(t.Name(), ` server = false bootstrap = false `) defer a2.Shutdown() // Join first addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN) _, err := a1.JoinLAN([]string{addr}) if err != nil { t.Fatalf("err: %v", err) } // Graceful leave now req, _ := http.NewRequest("PUT", "/v1/agent/leave", nil) obj, err := a2.srv.AgentLeave(nil, req) if err != nil { t.Fatalf("Err: %v", err) } if obj != nil { t.Fatalf("Err: %v", obj) } retry.Run(t, func(r *retry.R) { m := a1.LANMembers() if got, want := m[1].Status, serf.StatusLeft; got != want { r.Fatalf("got status %q want %q", got, want) } }) } func TestAgent_Leave_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/leave", nil) if _, err := a.srv.AgentLeave(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a.srv) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/leave?token=%s", ro), nil) if _, err := a.srv.AgentLeave(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) // this sub-test will change the state so that there is no leader. // it must therefore be the last one in this list. t.Run("agent master token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/leave?token=towel", nil) if _, err := a.srv.AgentLeave(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_ForceLeave(t *testing.T) { t.Parallel() a1 := NewTestAgent(t.Name(), "") defer a1.Shutdown() a2 := NewTestAgent(t.Name(), "") testrpc.WaitForLeader(t, a1.RPC, "dc1") testrpc.WaitForLeader(t, a2.RPC, "dc1") // Join first addr := fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN) _, err := a1.JoinLAN([]string{addr}) if err != nil { t.Fatalf("err: %v", err) } // this test probably needs work a2.Shutdown() // Wait for agent being marked as failed, so we wait for full shutdown of Agent retry.Run(t, func(r *retry.R) { m := a1.LANMembers() if got, want := m[1].Status, serf.StatusFailed; got != want { r.Fatalf("got status %q want %q", got, want) } }) // Force leave now req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/force-leave/%s", a2.Config.NodeName), nil) obj, err := a1.srv.AgentForceLeave(nil, req) if err != nil { t.Fatalf("Err: %v", err) } if obj != nil { t.Fatalf("Err: %v", obj) } retry.Run(t, func(r *retry.R) { m := a1.LANMembers() if got, want := m[1].Status, serf.StatusLeft; got != want { r.Fatalf("got status %q want %q", got, want) } }) } func TestAgent_ForceLeave_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/force-leave/nope", nil) if _, err := a.srv.AgentForceLeave(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("agent master token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/force-leave/nope?token=towel", nil) if _, err := a.srv.AgentForceLeave(nil, req); err != nil { t.Fatalf("err: %v", err) } }) t.Run("read-only token", func(t *testing.T) { ro := makeReadOnlyAgentACL(t, a.srv) req, _ := http.NewRequest("PUT", fmt.Sprintf("/v1/agent/force-leave/nope?token=%s", ro), nil) if _, err := a.srv.AgentForceLeave(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) } func TestAgent_RegisterCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", TTL: 15 * time.Second, } req, _ := http.NewRequest("PUT", "/v1/agent/check/register?token=abc123", jsonReader(args)) obj, err := a.srv.AgentRegisterCheck(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping checkID := types.CheckID("test") if _, ok := a.State.Checks()[checkID]; !ok { t.Fatalf("missing test check") } if _, ok := a.checkTTLs[checkID]; !ok { t.Fatalf("missing test check ttl") } // Ensure the token was configured if token := a.State.CheckToken(checkID); token == "" { t.Fatalf("missing token") } // By default, checks start in critical state. state := a.State.Checks()[checkID] if state.Status != api.HealthCritical { t.Fatalf("bad: %v", state) } } // This verifies all the forms of the new args-style check that we need to // support as a result of https://github.com/hashicorp/consul/issues/3587. func TestAgent_RegisterCheck_Scripts(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` enable_script_checks = true `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") tests := []struct { name string check map[string]interface{} }{ { "== Consul 1.0.0", map[string]interface{}{ "Name": "test", "Interval": "2s", "ScriptArgs": []string{"true"}, }, }, { "> Consul 1.0.0 (fixup)", map[string]interface{}{ "Name": "test", "Interval": "2s", "script_args": []string{"true"}, }, }, { "> Consul 1.0.0", map[string]interface{}{ "Name": "test", "Interval": "2s", "Args": []string{"true"}, }, }, } for _, tt := range tests { t.Run(tt.name+" as node check", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/register", jsonReader(tt.check)) resp := httptest.NewRecorder() if _, err := a.srv.AgentRegisterCheck(resp, req); err != nil { t.Fatalf("err: %v", err) } if resp.Code != http.StatusOK { t.Fatalf("bad: %d", resp.Code) } }) t.Run(tt.name+" as top-level service check", func(t *testing.T) { args := map[string]interface{}{ "Name": "a", "Port": 1234, "Check": tt.check, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) resp := httptest.NewRecorder() if _, err := a.srv.AgentRegisterService(resp, req); err != nil { t.Fatalf("err: %v", err) } if resp.Code != http.StatusOK { t.Fatalf("bad: %d", resp.Code) } }) t.Run(tt.name+" as slice-based service check", func(t *testing.T) { args := map[string]interface{}{ "Name": "a", "Port": 1234, "Checks": []map[string]interface{}{tt.check}, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) resp := httptest.NewRecorder() if _, err := a.srv.AgentRegisterService(resp, req); err != nil { t.Fatalf("err: %v", err) } if resp.Code != http.StatusOK { t.Fatalf("bad: %d", resp.Code) } }) } } func TestAgent_RegisterCheckScriptsExecDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", ScriptArgs: []string{"true"}, Interval: time.Second, } req, _ := http.NewRequest("PUT", "/v1/agent/check/register?token=abc123", jsonReader(args)) res := httptest.NewRecorder() _, err := a.srv.AgentRegisterCheck(res, req) if err == nil { t.Fatalf("expected error but got nil") } if !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("expected script disabled error, got: %s", err) } checkID := types.CheckID("test") if _, ok := a.State.Checks()[checkID]; ok { t.Fatalf("check registered with exec disable") } } func TestAgent_RegisterCheckScriptsExecRemoteDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` enable_local_script_checks = true `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", ScriptArgs: []string{"true"}, Interval: time.Second, } req, _ := http.NewRequest("PUT", "/v1/agent/check/register?token=abc123", jsonReader(args)) res := httptest.NewRecorder() _, err := a.srv.AgentRegisterCheck(res, req) if err == nil { t.Fatalf("expected error but got nil") } if !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("expected script disabled error, got: %s", err) } checkID := types.CheckID("test") if _, ok := a.State.Checks()[checkID]; ok { t.Fatalf("check registered with exec disable") } } func TestAgent_RegisterCheck_Passing(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", TTL: 15 * time.Second, Status: api.HealthPassing, } req, _ := http.NewRequest("PUT", "/v1/agent/check/register", jsonReader(args)) obj, err := a.srv.AgentRegisterCheck(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping checkID := types.CheckID("test") if _, ok := a.State.Checks()[checkID]; !ok { t.Fatalf("missing test check") } if _, ok := a.checkTTLs[checkID]; !ok { t.Fatalf("missing test check ttl") } state := a.State.Checks()[checkID] if state.Status != api.HealthPassing { t.Fatalf("bad: %v", state) } } func TestAgent_RegisterCheck_BadStatus(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", TTL: 15 * time.Second, Status: "fluffy", } req, _ := http.NewRequest("PUT", "/v1/agent/check/register", jsonReader(args)) resp := httptest.NewRecorder() if _, err := a.srv.AgentRegisterCheck(resp, req); err != nil { t.Fatalf("err: %v", err) } if resp.Code != 400 { t.Fatalf("accepted bad status") } } func TestAgent_RegisterCheck_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") args := &structs.CheckDefinition{ Name: "test", TTL: 15 * time.Second, } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/register", jsonReader(args)) if _, err := a.srv.AgentRegisterCheck(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/register?token=root", jsonReader(args)) if _, err := a.srv.AgentRegisterCheck(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_DeregisterCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} if err := a.AddCheck(chk, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("PUT", "/v1/agent/check/deregister/test", nil) obj, err := a.srv.AgentDeregisterCheck(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping if _, ok := a.State.Checks()["test"]; ok { t.Fatalf("have test check") } } func TestAgent_DeregisterCheckACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} if err := a.AddCheck(chk, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/deregister/test", nil) if _, err := a.srv.AgentDeregisterCheck(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/deregister/test?token=root", nil) if _, err := a.srv.AgentDeregisterCheck(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_PassCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("PUT", "/v1/agent/check/pass/test", nil) obj, err := a.srv.AgentCheckPass(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping state := a.State.Checks()["test"] if state.Status != api.HealthPassing { t.Fatalf("bad: %v", state) } } func TestAgent_PassCheck_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/pass/test", nil) if _, err := a.srv.AgentCheckPass(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/pass/test?token=root", nil) if _, err := a.srv.AgentCheckPass(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_WarnCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("PUT", "/v1/agent/check/warn/test", nil) obj, err := a.srv.AgentCheckWarn(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping state := a.State.Checks()["test"] if state.Status != api.HealthWarning { t.Fatalf("bad: %v", state) } } func TestAgent_WarnCheck_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/warn/test", nil) if _, err := a.srv.AgentCheckWarn(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/warn/test?token=root", nil) if _, err := a.srv.AgentCheckWarn(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_FailCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("PUT", "/v1/agent/check/fail/test", nil) obj, err := a.srv.AgentCheckFail(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping state := a.State.Checks()["test"] if state.Status != api.HealthCritical { t.Fatalf("bad: %v", state) } } func TestAgent_FailCheck_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/fail/test", nil) if _, err := a.srv.AgentCheckFail(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/fail/test?token=root", nil) if _, err := a.srv.AgentCheckFail(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_UpdateCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } cases := []checkUpdate{ checkUpdate{api.HealthPassing, "hello-passing"}, checkUpdate{api.HealthCritical, "hello-critical"}, checkUpdate{api.HealthWarning, "hello-warning"}, } for _, c := range cases { t.Run(c.Status, func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/check/update/test", jsonReader(c)) resp := httptest.NewRecorder() obj, err := a.srv.AgentCheckUpdate(resp, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } state := a.State.Checks()["test"] if state.Status != c.Status || state.Output != c.Output { t.Fatalf("bad: %v", state) } }) } t.Run("log output limit", func(t *testing.T) { args := checkUpdate{ Status: api.HealthPassing, Output: strings.Repeat("-= bad -=", 5*checks.BufSize), } req, _ := http.NewRequest("PUT", "/v1/agent/check/update/test", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentCheckUpdate(resp, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } // Since we append some notes about truncating, we just do a // rough check that the output buffer was cut down so this test // isn't super brittle. state := a.State.Checks()["test"] if state.Status != api.HealthPassing || len(state.Output) > 2*checks.BufSize { t.Fatalf("bad: %v", state) } }) t.Run("bogus status", func(t *testing.T) { args := checkUpdate{Status: "itscomplicated"} req, _ := http.NewRequest("PUT", "/v1/agent/check/update/test", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentCheckUpdate(resp, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } if resp.Code != 400 { t.Fatalf("expected 400, got %d", resp.Code) } }) } func TestAgent_UpdateCheck_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") chk := &structs.HealthCheck{Name: "test", CheckID: "test"} chkType := &structs.CheckType{TTL: 15 * time.Second} if err := a.AddCheck(chk, chkType, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { args := checkUpdate{api.HealthPassing, "hello-passing"} req, _ := http.NewRequest("PUT", "/v1/agent/check/update/test", jsonReader(args)) if _, err := a.srv.AgentCheckUpdate(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { args := checkUpdate{api.HealthPassing, "hello-passing"} req, _ := http.NewRequest("PUT", "/v1/agent/check/update/test?token=root", jsonReader(args)) if _, err := a.srv.AgentCheckUpdate(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_RegisterService(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Name: "test", Meta: map[string]string{"hello": "world"}, Tags: []string{"master"}, Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Checks: []*structs.CheckType{ &structs.CheckType{ TTL: 20 * time.Second, }, &structs.CheckType{ TTL: 30 * time.Second, }, }, Weights: &structs.Weights{ Passing: 100, Warning: 3, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) obj, err := a.srv.AgentRegisterService(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure the service if _, ok := a.State.Services()["test"]; !ok { t.Fatalf("missing test service") } if val := a.State.Service("test").Meta["hello"]; val != "world" { t.Fatalf("Missing meta: %v", a.State.Service("test").Meta) } if val := a.State.Service("test").Weights.Passing; val != 100 { t.Fatalf("Expected 100 for Weights.Passing, got: %v", val) } if val := a.State.Service("test").Weights.Warning; val != 3 { t.Fatalf("Expected 3 for Weights.Warning, got: %v", val) } // Ensure we have a check mapping checks := a.State.Checks() if len(checks) != 3 { t.Fatalf("bad: %v", checks) } if len(a.checkTTLs) != 3 { t.Fatalf("missing test check ttls: %v", a.checkTTLs) } // Ensure the token was configured if token := a.State.ServiceToken("test"); token == "" { t.Fatalf("missing token") } } func TestAgent_RegisterService_TranslateKeys(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") json := ` { "name":"test", "port":8000, "enable_tag_override": true, "meta": { "some": "meta", "enable_tag_override": "meta is 'opaque' so should not get translated" }, "kind": "connect-proxy",` + // Note the uppercase P is important here - it ensures translation works // correctly in case-insensitive way. Without it this test can pass even // when translation is broken for other valid inputs. `"Proxy": { "destination_service_name": "web", "destination_service_id": "web", "local_service_port": 1234, "local_service_address": "127.0.0.1", "config": { "destination_type": "proxy.config is 'opaque' so should not get translated" }, "upstreams": [ { "destination_type": "service", "destination_namespace": "default", "destination_name": "db", "local_bind_address": "127.0.0.1", "local_bind_port": 1234, "config": { "destination_type": "proxy.upstreams.config is 'opaque' so should not get translated" } } ] }, "connect": { "proxy": { "exec_mode": "script", "config": { "destination_type": "connect.proxy.config is 'opaque' so should not get translated" }, "upstreams": [ { "destination_type": "service", "destination_namespace": "default", "destination_name": "db", "local_bind_address": "127.0.0.1", "local_bind_port": 1234, "config": { "destination_type": "connect.proxy.upstreams.config is 'opaque' so should not get translated" } } ] }, "sidecar_service": { "name":"test-proxy", "port":8001, "enable_tag_override": true, "meta": { "some": "meta", "enable_tag_override": "sidecar_service.meta is 'opaque' so should not get translated" }, "kind": "connect-proxy", "proxy": { "destination_service_name": "test", "destination_service_id": "test", "local_service_port": 4321, "local_service_address": "127.0.0.1", "upstreams": [ { "destination_type": "service", "destination_namespace": "default", "destination_name": "db", "local_bind_address": "127.0.0.1", "local_bind_port": 1234, "config": { "destination_type": "sidecar_service.proxy.upstreams.config is 'opaque' so should not get translated" } } ] } } }, "weights":{ "passing": 16 } }` req, _ := http.NewRequest("PUT", "/v1/agent/service/register", strings.NewReader(json)) rr := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(rr, req) require.NoError(t, err) require.Nil(t, obj) require.Equal(t, 200, rr.Code, "body: %s", rr.Body) svc := &structs.NodeService{ ID: "test", Service: "test", Meta: map[string]string{ "some": "meta", "enable_tag_override": "meta is 'opaque' so should not get translated", }, Port: 8000, EnableTagOverride: true, Weights: &structs.Weights{Passing: 16, Warning: 0}, Kind: structs.ServiceKindConnectProxy, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "web", DestinationServiceID: "web", LocalServiceAddress: "127.0.0.1", LocalServicePort: 1234, Config: map[string]interface{}{ "destination_type": "proxy.config is 'opaque' so should not get translated", }, Upstreams: structs.Upstreams{ { DestinationType: structs.UpstreamDestTypeService, DestinationName: "db", DestinationNamespace: "default", LocalBindAddress: "127.0.0.1", LocalBindPort: 1234, Config: map[string]interface{}{ "destination_type": "proxy.upstreams.config is 'opaque' so should not get translated", }, }, }, }, Connect: structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{ ExecMode: "script", Config: map[string]interface{}{ "destination_type": "connect.proxy.config is 'opaque' so should not get translated", }, Upstreams: structs.Upstreams{ { DestinationType: structs.UpstreamDestTypeService, DestinationName: "db", DestinationNamespace: "default", LocalBindAddress: "127.0.0.1", LocalBindPort: 1234, Config: map[string]interface{}{ "destination_type": "connect.proxy.upstreams.config is 'opaque' so should not get translated", }, }, }, }, // The sidecar service is nilled since it is only config sugar and // shouldn't be represented in state. We assert that the translations // there worked by inspecting the registered sidecar below. SidecarService: nil, }, } got := a.State.Service("test") require.Equal(t, svc, got) sidecarSvc := &structs.NodeService{ Kind: structs.ServiceKindConnectProxy, ID: "test-sidecar-proxy", Service: "test-proxy", Meta: map[string]string{ "some": "meta", "enable_tag_override": "sidecar_service.meta is 'opaque' so should not get translated", }, Port: 8001, EnableTagOverride: true, LocallyRegisteredAsSidecar: true, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "test", DestinationServiceID: "test", LocalServiceAddress: "127.0.0.1", LocalServicePort: 4321, Upstreams: structs.Upstreams{ { DestinationType: structs.UpstreamDestTypeService, DestinationName: "db", DestinationNamespace: "default", LocalBindAddress: "127.0.0.1", LocalBindPort: 1234, Config: map[string]interface{}{ "destination_type": "sidecar_service.proxy.upstreams.config is 'opaque' so should not get translated", }, }, }, }, } gotSidecar := a.State.Service("test-sidecar-proxy") require.Equal(t, sidecarSvc, gotSidecar) } func TestAgent_RegisterService_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Name: "test", Tags: []string{"master"}, Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Checks: []*structs.CheckType{ &structs.CheckType{ TTL: 20 * time.Second, }, &structs.CheckType{ TTL: 30 * time.Second, }, }, } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) if _, err := a.srv.AgentRegisterService(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(args)) if _, err := a.srv.AgentRegisterService(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_RegisterService_InvalidAddress(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") for _, addr := range []string{"0.0.0.0", "::", "[::]"} { t.Run("addr "+addr, func(t *testing.T) { args := &structs.ServiceDefinition{ Name: "test", Address: addr, Port: 8000, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) if err != nil { t.Fatalf("got error %v want nil", err) } if got, want := resp.Code, 400; got != want { t.Fatalf("got code %d want %d", got, want) } if got, want := resp.Body.String(), "Invalid service address"; got != want { t.Fatalf("got body %q want %q", got, want) } }) } } // This tests local agent service registration with a managed proxy. func TestAgent_RegisterService_ManagedConnectProxy(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a proxy. Note that the destination doesn't exist here on // this agent or in the catalog at all. This is intended and part // of the design. args := &api.AgentServiceRegistration{ Name: "web", Port: 8000, Connect: &api.AgentServiceConnect{ Proxy: &api.AgentServiceConnectProxy{ ExecMode: "script", Command: []string{"proxy.sh"}, Config: map[string]interface{}{ "foo": "bar", }, // Includes an upstream with missing defaulted type Upstreams: structs.TestUpstreams(t).ToAPI(), }, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) assert.NoError(err) assert.Nil(obj) require.Equal(200, resp.Code, "request failed with body: %s", resp.Body.String()) // Ensure the target service _, ok := a.State.Services()["web"] assert.True(ok, "has service") // Ensure the proxy service was registered proxySvc, ok := a.State.Services()["web-proxy"] require.True(ok, "has proxy service") assert.Equal(structs.ServiceKindConnectProxy, proxySvc.Kind) assert.Equal("web", proxySvc.Proxy.DestinationServiceName) assert.NotEmpty(proxySvc.Port, "a port should have been assigned") // Ensure proxy itself was registered proxy := a.State.Proxy("web-proxy") require.NotNil(proxy) assert.Equal(structs.ProxyExecModeScript, proxy.Proxy.ExecMode) assert.Equal([]string{"proxy.sh"}, proxy.Proxy.Command) assert.Equal(args.Connect.Proxy.Config, proxy.Proxy.Config) // Unsure the defaulted type is explicitly filled args.Connect.Proxy.Upstreams[0].DestinationType = api.UpstreamDestTypeService assert.Equal(args.Connect.Proxy.Upstreams, proxy.Proxy.Upstreams.ToAPI()) // Ensure the token was configured assert.Equal("abc123", a.State.ServiceToken("web")) assert.Equal("abc123", a.State.ServiceToken("web-proxy")) } // This tests local agent service registration with a managed proxy using // original deprecated upstreams syntax. func TestAgent_RegisterService_ManagedConnectProxyDeprecated(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a proxy. Note that the destination doesn't exist here on // this agent or in the catalog at all. This is intended and part // of the design. args := &api.AgentServiceRegistration{ Name: "web", Port: 8000, Connect: &api.AgentServiceConnect{ Proxy: &api.AgentServiceConnectProxy{ ExecMode: "script", Command: []string{"proxy.sh"}, Config: map[string]interface{}{ "foo": "bar", "upstreams": []interface{}{ map[string]interface{}{ "destination_name": "db", "local_bind_port": 1234, // this was a field for old upstreams we don't support any more. // It should be copied into Upstreams' Config. "connect_timeout_ms": 1000, }, map[string]interface{}{ "destination_name": "geo-cache", "destination_type": "prepared_query", "local_bind_port": 1235, }, }, }, }, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) assert.NoError(err) assert.Nil(obj) require.Equal(200, resp.Code, "request failed with body: %s", resp.Body.String()) // Ensure the target service _, ok := a.State.Services()["web"] assert.True(ok, "has service") // Ensure the proxy service was registered proxySvc, ok := a.State.Services()["web-proxy"] require.True(ok, "has proxy service") assert.Equal(structs.ServiceKindConnectProxy, proxySvc.Kind) assert.Equal("web", proxySvc.Proxy.DestinationServiceName) assert.NotEmpty(proxySvc.Port, "a port should have been assigned") // Ensure proxy itself was registered proxy := a.State.Proxy("web-proxy") require.NotNil(proxy) assert.Equal(structs.ProxyExecModeScript, proxy.Proxy.ExecMode) assert.Equal([]string{"proxy.sh"}, proxy.Proxy.Command) // Remove the upstreams from the args - we expect them not to show up in // response now since that moved. delete(args.Connect.Proxy.Config, "upstreams") assert.Equal(args.Connect.Proxy.Config, proxy.Proxy.Config) expectUpstreams := structs.Upstreams{ { DestinationType: structs.UpstreamDestTypeService, DestinationName: "db", LocalBindPort: 1234, Config: map[string]interface{}{ "connect_timeout_ms": float64(1000), }, }, { DestinationType: structs.UpstreamDestTypePreparedQuery, DestinationName: "geo-cache", LocalBindPort: 1235, }, } assert.Equal(expectUpstreams, proxy.Proxy.Upstreams) // Ensure the token was configured assert.Equal("abc123", a.State.ServiceToken("web")) assert.Equal("abc123", a.State.ServiceToken("web-proxy")) } // This tests local agent service registration with a managed proxy with // API registration disabled (default). func TestAgent_RegisterService_ManagedConnectProxy_Disabled(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), ``) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a proxy. Note that the destination doesn't exist here on // this agent or in the catalog at all. This is intended and part // of the design. args := &api.AgentServiceRegistration{ Name: "web", Port: 8000, Connect: &api.AgentServiceConnect{ Proxy: &api.AgentServiceConnectProxy{ ExecMode: "script", Command: []string{"proxy.sh"}, Config: map[string]interface{}{ "foo": "bar", }, }, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) assert.Error(err) // Ensure the target service does not exist _, ok := a.State.Services()["web"] assert.False(ok, "does not has service") } // This tests local agent service registration of a unmanaged connect proxy. // This verifies that it is put in the local state store properly for syncing // later. Note that _managed_ connect proxies are registered as part of the // target service's registration. func TestAgent_RegisterService_UnmanagedConnectProxy(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a proxy. Note that the destination doesn't exist here on this // agent or in the catalog at all. This is intended and part of the design. args := &api.AgentServiceRegistration{ Kind: api.ServiceKindConnectProxy, Name: "connect-proxy", Port: 8000, // DEPRECATED (ProxyDestination) - remove this when removing ProxyDestination ProxyDestination: "bad_destination", // Deprecated, check it's overridden Proxy: &api.AgentServiceConnectProxyConfig{ DestinationServiceName: "web", Upstreams: []api.Upstream{ { // No type to force default DestinationName: "db", LocalBindPort: 1234, }, { DestinationType: "prepared_query", DestinationName: "geo-cache", LocalBindPort: 1235, }, }, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) require.NoError(t, err) assert.Nil(obj) // Ensure the service svc, ok := a.State.Services()["connect-proxy"] assert.True(ok, "has service") assert.Equal(structs.ServiceKindConnectProxy, svc.Kind) // Registration must set that default type args.Proxy.Upstreams[0].DestinationType = api.UpstreamDestTypeService assert.Equal(args.Proxy, svc.Proxy.ToAPI()) // Ensure the token was configured assert.Equal("abc123", a.State.ServiceToken("connect-proxy")) } func testDefaultSidecar(svc string, port int, fns ...func(*structs.NodeService)) *structs.NodeService { ns := &structs.NodeService{ ID: svc + "-sidecar-proxy", Kind: structs.ServiceKindConnectProxy, Service: svc + "-sidecar-proxy", Port: 2222, // Note that LocallyRegisteredAsSidecar should be true on the internal // NodeService, but that we never want to see it in the HTTP response as // it's internal only state. This is being compared directly to local state // so should be present here. LocallyRegisteredAsSidecar: true, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: svc, DestinationServiceID: svc, LocalServiceAddress: "127.0.0.1", LocalServicePort: port, }, } for _, fn := range fns { fn(ns) } return ns } func testCreateToken(t *testing.T, a *TestAgent, rules string) string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": rules, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) require.NoError(t, err) require.NotNil(t, obj) aclResp := obj.(aclCreateResponse) return aclResp.ID } // This tests local agent service registration with a sidecar service. Note we // only test simple defaults for the sidecar here since the actual logic for // handling sidecar defaults and port assignment is tested thoroughly in // TestAgent_sidecarServiceFromNodeService. Note it also tests Deregister // explicitly too since setup is identical. func TestAgent_RegisterServiceDeregisterService_Sidecar(t *testing.T) { t.Parallel() tests := []struct { name string preRegister, preRegister2 *structs.NodeService // Use raw JSON payloads rather than encoding to avoid subtleties with some // internal representations and different ways they encode and decode. We // rely on the payload being Unmarshalable to structs.ServiceDefinition // directly. json string enableACL bool tokenRules string wantNS *structs.NodeService wantErr string wantSidecarIDLeftAfterDereg bool assertStateFn func(t *testing.T, state *local.State) }{ { name: "sanity check no sidecar case", json: ` { "name": "web", "port": 1111 } `, wantNS: nil, wantErr: "", }, { name: "default sidecar", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": {} } } `, wantNS: testDefaultSidecar("web", 1111), wantErr: "", }, { name: "ACL OK defaults", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": {} } } `, enableACL: true, tokenRules: ` service "web" { policy = "write" }`, wantNS: testDefaultSidecar("web", 1111), wantErr: "", }, { name: "ACL denied", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": {} } } `, enableACL: true, tokenRules: ``, // No token rules means no valid token wantNS: nil, wantErr: "Permission denied", }, { name: "ACL OK for service but not for sidecar", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": {} } } `, enableACL: true, // This will become more common/reasonable when ACLs support exact match. tokenRules: ` service "web-sidecar-proxy" { policy = "deny" } service "web" { policy = "write" }`, wantNS: nil, wantErr: "Permission denied", }, { name: "ACL OK for service and sidecar but not sidecar's overriden destination", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "proxy": { "DestinationServiceName": "foo" } } } } `, enableACL: true, tokenRules: ` service "web" { policy = "write" }`, wantNS: nil, wantErr: "Permission denied", }, { name: "ACL OK for service but not for overridden sidecar", json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "name": "foo-sidecar-proxy" } } } `, enableACL: true, tokenRules: ` service "web" { policy = "write" }`, wantNS: nil, wantErr: "Permission denied", }, { name: "ACL OK for service but and overridden for sidecar", // This test ensures that if the sidecar embeds it's own token with // differnt privs from the main request token it will be honoured for the // sidecar registration. We use the test root token since that should have // permission. json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "name": "foo", "token": "root" } } } `, enableACL: true, tokenRules: ` service "web" { policy = "write" }`, wantNS: testDefaultSidecar("web", 1111, func(ns *structs.NodeService) { ns.Service = "foo" }), wantErr: "", }, { name: "invalid check definition in sidecar", // Note no interval in the TCP check should fail validation json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "check": { "TCP": "foo" } } } } `, wantNS: nil, wantErr: "invalid check in sidecar_service", }, { name: "invalid checks definitions in sidecar", // Note no interval in the TCP check should fail validation json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "checks": [{ "TCP": "foo" }] } } } `, wantNS: nil, wantErr: "invalid check in sidecar_service", }, { name: "invalid check status in sidecar", // Note no interval in the TCP check should fail validation json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "check": { "TCP": "foo", "Interval": 10, "Status": "unsupported-status" } } } } `, wantNS: nil, wantErr: "Status for checks must 'passing', 'warning', 'critical'", }, { name: "invalid checkS status in sidecar", // Note no interval in the TCP check should fail validation json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "checks": [{ "TCP": "foo", "Interval": 10, "Status": "unsupported-status" }] } } } `, wantNS: nil, wantErr: "Status for checks must 'passing', 'warning', 'critical'", }, { name: "another service registered with same ID as a sidecar should not be deregistered", // Add another service with the same ID that a sidecar for web would have preRegister: &structs.NodeService{ ID: "web-sidecar-proxy", Service: "fake-sidecar", Port: 9999, }, // Register web with NO SIDECAR json: ` { "name": "web", "port": 1111 } `, // Note here that although the registration here didn't register it, we // should still see the NodeService we pre-registered here. wantNS: &structs.NodeService{ ID: "web-sidecar-proxy", Service: "fake-sidecar", Port: 9999, }, // After we deregister the web service above, the fake sidecar with // clashing ID SHOULD NOT have been removed since it wasn't part of the // original registration. wantSidecarIDLeftAfterDereg: true, }, { name: "updates to sidecar should work", // Add a valid sidecar already registered preRegister: &structs.NodeService{ ID: "web-sidecar-proxy", Service: "web-sidecar-proxy", LocallyRegisteredAsSidecar: true, Port: 9999, }, // Register web with Sidecar on different port json: ` { "name": "web", "port": 1111, "connect": { "SidecarService": { "Port": 6666 } } } `, // Note here that although the registration here didn't register it, we // should still see the NodeService we pre-registered here. wantNS: &structs.NodeService{ Kind: "connect-proxy", ID: "web-sidecar-proxy", Service: "web-sidecar-proxy", LocallyRegisteredAsSidecar: true, Port: 6666, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "web", DestinationServiceID: "web", LocalServiceAddress: "127.0.0.1", LocalServicePort: 1111, }, }, }, { name: "update that removes sidecar should NOT deregister it", // Add web with a valid sidecar already registered preRegister: &structs.NodeService{ ID: "web", Service: "web", Port: 1111, }, preRegister2: testDefaultSidecar("web", 1111), // Register (update) web and remove sidecar (and port for sanity check) json: ` { "name": "web", "port": 2222 } `, // Sidecar should still be there such that API can update registration // without accidentally removing a sidecar. This is equivalent to embedded // checks which are not removed by just not being included in an update. // We will document that sidecar registrations via API must be explicitiy // deregistered. wantNS: testDefaultSidecar("web", 1111), // Sanity check the rest of the update happened though. assertStateFn: func(t *testing.T, state *local.State) { svcs := state.Services() svc, ok := svcs["web"] require.True(t, ok) require.Equal(t, 2222, svc.Port) }, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { assert := assert.New(t) require := require.New(t) // Constrain auto ports to 1 available to make it deterministic hcl := `ports { sidecar_min_port = 2222 sidecar_max_port = 2222 } ` if tt.enableACL { hcl = hcl + TestACLConfig() } a := NewTestAgent(t.Name(), hcl) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") if tt.preRegister != nil { require.NoError(a.AddService(tt.preRegister, nil, false, "", ConfigSourceLocal)) } if tt.preRegister2 != nil { require.NoError(a.AddService(tt.preRegister2, nil, false, "", ConfigSourceLocal)) } // Create an ACL token with require policy var token string if tt.enableACL && tt.tokenRules != "" { token = testCreateToken(t, a, tt.tokenRules) } br := bytes.NewBufferString(tt.json) req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token="+token, br) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) if tt.wantErr != "" { require.Error(err, "response code=%d, body:\n%s", resp.Code, resp.Body.String()) require.Contains(strings.ToLower(err.Error()), strings.ToLower(tt.wantErr)) return } require.NoError(err) assert.Nil(obj) require.Equal(200, resp.Code, "request failed with body: %s", resp.Body.String()) // Sanity the target service registration svcs := a.State.Services() // Parse the expected definition into a ServiceDefinition var sd structs.ServiceDefinition err = json.Unmarshal([]byte(tt.json), &sd) require.NoError(err) require.NotEmpty(sd.Name) svcID := sd.ID if svcID == "" { svcID = sd.Name } svc, ok := svcs[svcID] require.True(ok, "has service "+svcID) assert.Equal(sd.Name, svc.Service) assert.Equal(sd.Port, svc.Port) // Ensure that the actual registered service _doesn't_ still have it's // sidecar info since it's duplicate and we don't want that synced up to // the catalog or included in responses particulary - it's just // registration syntax sugar. assert.Nil(svc.Connect.SidecarService) if tt.wantNS == nil { // Sanity check that there was no service registered, we rely on there // being no services at start of test so we can just use the count. assert.Len(svcs, 1, "should be no sidecar registered") return } // Ensure sidecar svc, ok = svcs[tt.wantNS.ID] require.True(ok, "no sidecar registered at "+tt.wantNS.ID) assert.Equal(tt.wantNS, svc) if tt.assertStateFn != nil { tt.assertStateFn(t, a.State) } // Now verify deregistration also removes sidecar (if there was one and it // was added via sidecar not just coincidental ID clash) { req := httptest.NewRequest("PUT", "/v1/agent/service/deregister/"+svcID+"?token="+token, nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentDeregisterService(resp, req) require.NoError(err) require.Nil(obj) svcs := a.State.Services() svc, ok = svcs[tt.wantNS.ID] if tt.wantSidecarIDLeftAfterDereg { require.True(ok, "removed non-sidecar service at "+tt.wantNS.ID) } else { require.False(ok, "sidecar not deregistered with service "+svcID) } } }) } } // This tests that connect proxy validation is done for local agent // registration. This doesn't need to test validation exhaustively since // that is done via a table test in the structs package. func TestAgent_RegisterService_UnmanagedConnectProxyInvalid(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Kind: structs.ServiceKindConnectProxy, Name: "connect-proxy", Proxy: &structs.ConnectProxyConfig{ DestinationServiceName: "db", }, Check: structs.CheckType{ TTL: 15 * time.Second, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) assert.Nil(err) assert.Nil(obj) assert.Equal(http.StatusBadRequest, resp.Code) assert.Contains(resp.Body.String(), "Port") // Ensure the service doesn't exist _, ok := a.State.Services()["connect-proxy"] assert.False(ok) } // Tests agent registration of a service that is connect native. func TestAgent_RegisterService_ConnectNative(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a proxy. Note that the destination doesn't exist here on // this agent or in the catalog at all. This is intended and part // of the design. args := &structs.ServiceDefinition{ Name: "web", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Native: true, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.AgentRegisterService(resp, req) assert.Nil(err) assert.Nil(obj) // Ensure the service svc, ok := a.State.Services()["web"] assert.True(ok, "has service") assert.True(svc.Connect.Native) } func TestAgent_RegisterService_ScriptCheck_ExecDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Name: "test", Meta: map[string]string{"hello": "world"}, Tags: []string{"master"}, Port: 8000, Check: structs.CheckType{ Name: "test-check", Interval: time.Second, ScriptArgs: []string{"true"}, }, Weights: &structs.Weights{ Passing: 100, Warning: 3, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) _, err := a.srv.AgentRegisterService(nil, req) if err == nil { t.Fatalf("expected error but got nil") } if !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("expected script disabled error, got: %s", err) } checkID := types.CheckID("test-check") if _, ok := a.State.Checks()[checkID]; ok { t.Fatalf("check registered with exec disable") } } func TestAgent_RegisterService_ScriptCheck_ExecRemoteDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), ` enable_local_script_checks = true `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Name: "test", Meta: map[string]string{"hello": "world"}, Tags: []string{"master"}, Port: 8000, Check: structs.CheckType{ Name: "test-check", Interval: time.Second, ScriptArgs: []string{"true"}, }, Weights: &structs.Weights{ Passing: 100, Warning: 3, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=abc123", jsonReader(args)) _, err := a.srv.AgentRegisterService(nil, req) if err == nil { t.Fatalf("expected error but got nil") } if !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("expected script disabled error, got: %s", err) } checkID := types.CheckID("test-check") if _, ok := a.State.Checks()[checkID]; ok { t.Fatalf("check registered with exec disable") } } func TestAgent_DeregisterService(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") service := &structs.NodeService{ ID: "test", Service: "test", } if err := a.AddService(service, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("PUT", "/v1/agent/service/deregister/test", nil) obj, err := a.srv.AgentDeregisterService(nil, req) if err != nil { t.Fatalf("err: %v", err) } if obj != nil { t.Fatalf("bad: %v", obj) } // Ensure we have a check mapping if _, ok := a.State.Services()["test"]; ok { t.Fatalf("have test service") } if _, ok := a.State.Checks()["test"]; ok { t.Fatalf("have test check") } } func TestAgent_DeregisterService_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") service := &structs.NodeService{ ID: "test", Service: "test", } if err := a.AddService(service, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/deregister/test", nil) if _, err := a.srv.AgentDeregisterService(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/deregister/test?token=root", nil) if _, err := a.srv.AgentDeregisterService(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_DeregisterService_withManagedProxy(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Get the proxy ID require.Len(a.State.Proxies(), 1) var proxyID string for _, p := range a.State.Proxies() { proxyID = p.Proxy.ProxyService.ID } req, _ := http.NewRequest("PUT", "/v1/agent/service/deregister/test-id", nil) obj, err := a.srv.AgentDeregisterService(nil, req) require.NoError(err) require.Nil(obj) // Ensure we have no service, check, managed proxy, or proxy service require.NotContains(a.State.Services(), "test-id") require.NotContains(a.State.Checks(), "test-id") require.NotContains(a.State.Services(), proxyID) require.Len(a.State.Proxies(), 0) } // Test that we can't deregister a managed proxy service directly. func TestAgent_DeregisterService_managedProxyDirect(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), ` connect { proxy { allow_managed_api_registration = true } } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Get the proxy ID var proxyID string for _, p := range a.State.Proxies() { proxyID = p.Proxy.ProxyService.ID } req, _ := http.NewRequest("PUT", "/v1/agent/service/deregister/"+proxyID, nil) obj, err := a.srv.AgentDeregisterService(nil, req) require.Error(err) require.Nil(obj) } func TestAgent_ServiceMaintenance_BadRequest(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") t.Run("not enabled", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentServiceMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 400 { t.Fatalf("expected 400, got %d", resp.Code) } }) t.Run("no service id", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/?enable=true", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentServiceMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 400 { t.Fatalf("expected 400, got %d", resp.Code) } }) t.Run("bad service id", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/_nope_?enable=true", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentServiceMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 404 { t.Fatalf("expected 404, got %d", resp.Code) } }) } func TestAgent_ServiceMaintenance_Enable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register the service service := &structs.NodeService{ ID: "test", Service: "test", } if err := a.AddService(service, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Force the service into maintenance mode req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=true&reason=broken&token=mytoken", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentServiceMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } // Ensure the maintenance check was registered checkID := serviceMaintCheckID("test") check, ok := a.State.Checks()[checkID] if !ok { t.Fatalf("should have registered maintenance check") } // Ensure the token was added if token := a.State.CheckToken(checkID); token != "mytoken" { t.Fatalf("expected 'mytoken', got '%s'", token) } // Ensure the reason was set in notes if check.Notes != "broken" { t.Fatalf("bad: %#v", check) } } func TestAgent_ServiceMaintenance_Disable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register the service service := &structs.NodeService{ ID: "test", Service: "test", } if err := a.AddService(service, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Force the service into maintenance mode if err := a.EnableServiceMaintenance("test", "", ""); err != nil { t.Fatalf("err: %s", err) } // Leave maintenance mode req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=false", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentServiceMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } // Ensure the maintenance check was removed checkID := serviceMaintCheckID("test") if _, ok := a.State.Checks()[checkID]; ok { t.Fatalf("should have removed maintenance check") } } func TestAgent_ServiceMaintenance_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register the service. service := &structs.NodeService{ ID: "test", Service: "test", } if err := a.AddService(service, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=true&reason=broken", nil) if _, err := a.srv.AgentServiceMaintenance(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/service/maintenance/test?enable=true&reason=broken&token=root", nil) if _, err := a.srv.AgentServiceMaintenance(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_NodeMaintenance_BadRequest(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Fails when no enable flag provided req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentNodeMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 400 { t.Fatalf("expected 400, got %d", resp.Code) } } func TestAgent_NodeMaintenance_Enable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Force the node into maintenance mode req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance?enable=true&reason=broken&token=mytoken", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentNodeMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } // Ensure the maintenance check was registered check, ok := a.State.Checks()[structs.NodeMaint] if !ok { t.Fatalf("should have registered maintenance check") } // Check that the token was used if token := a.State.CheckToken(structs.NodeMaint); token != "mytoken" { t.Fatalf("expected 'mytoken', got '%s'", token) } // Ensure the reason was set in notes if check.Notes != "broken" { t.Fatalf("bad: %#v", check) } } func TestAgent_NodeMaintenance_Disable(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Force the node into maintenance mode a.EnableNodeMaintenance("", "") // Leave maintenance mode req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance?enable=false", nil) resp := httptest.NewRecorder() if _, err := a.srv.AgentNodeMaintenance(resp, req); err != nil { t.Fatalf("err: %s", err) } if resp.Code != 200 { t.Fatalf("expected 200, got %d", resp.Code) } // Ensure the maintenance check was removed if _, ok := a.State.Checks()[structs.NodeMaint]; ok { t.Fatalf("should have removed maintenance check") } } func TestAgent_NodeMaintenance_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") t.Run("no token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance?enable=true&reason=broken", nil) if _, err := a.srv.AgentNodeMaintenance(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } }) t.Run("root token", func(t *testing.T) { req, _ := http.NewRequest("PUT", "/v1/agent/self/maintenance?enable=true&reason=broken&token=root", nil) if _, err := a.srv.AgentNodeMaintenance(nil, req); err != nil { t.Fatalf("err: %v", err) } }) } func TestAgent_RegisterCheck_Service(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ServiceDefinition{ Name: "memcache", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, } // First register the service req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) if _, err := a.srv.AgentRegisterService(nil, req); err != nil { t.Fatalf("err: %v", err) } // Now register an additional check checkArgs := &structs.CheckDefinition{ Name: "memcache_check2", ServiceID: "memcache", TTL: 15 * time.Second, } req, _ = http.NewRequest("PUT", "/v1/agent/check/register", jsonReader(checkArgs)) if _, err := a.srv.AgentRegisterCheck(nil, req); err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping result := a.State.Checks() if _, ok := result["service:memcache"]; !ok { t.Fatalf("missing memcached check") } if _, ok := result["memcache_check2"]; !ok { t.Fatalf("missing memcache_check2 check") } // Make sure the new check is associated with the service if result["memcache_check2"].ServiceID != "memcache" { t.Fatalf("bad: %#v", result["memcached_check2"]) } } func TestAgent_Monitor(t *testing.T) { t.Parallel() logWriter := logger.NewLogWriter(512) a := &TestAgent{ Name: t.Name(), LogWriter: logWriter, LogOutput: io.MultiWriter(os.Stderr, logWriter), } a.Start() defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Try passing an invalid log level req, _ := http.NewRequest("GET", "/v1/agent/monitor?loglevel=invalid", nil) resp := newClosableRecorder() if _, err := a.srv.AgentMonitor(resp, req); err != nil { t.Fatalf("err: %v", err) } if resp.Code != 400 { t.Fatalf("bad: %v", resp.Code) } body, _ := ioutil.ReadAll(resp.Body) if !strings.Contains(string(body), "Unknown log level") { t.Fatalf("bad: %s", body) } // Try to stream logs until we see the expected log line retry.Run(t, func(r *retry.R) { req, _ = http.NewRequest("GET", "/v1/agent/monitor?loglevel=debug", nil) resp = newClosableRecorder() done := make(chan struct{}) go func() { if _, err := a.srv.AgentMonitor(resp, req); err != nil { t.Fatalf("err: %s", err) } close(done) }() resp.Close() <-done got := resp.Body.Bytes() want := []byte("raft: Initial configuration (index=1)") if !bytes.Contains(got, want) { r.Fatalf("got %q and did not find %q", got, want) } }) } type closableRecorder struct { *httptest.ResponseRecorder closer chan bool } func newClosableRecorder() *closableRecorder { r := httptest.NewRecorder() closer := make(chan bool) return &closableRecorder{r, closer} } func (r *closableRecorder) Close() { close(r.closer) } func (r *closableRecorder) CloseNotify() <-chan bool { return r.closer } func TestAgent_Monitor_ACLDeny(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Try without a token. req, _ := http.NewRequest("GET", "/v1/agent/monitor", nil) if _, err := a.srv.AgentMonitor(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } // This proves we call the ACL function, and we've got the other monitor // test to prove monitor works, which should be sufficient. The monitor // logic is a little complex to set up so isn't worth repeating again // here. } func TestAgent_Token(t *testing.T) { t.Parallel() // The behavior of this handler when ACLs are disabled is vetted over // in TestACL_Disabled_Response since there's already good infra set // up over there to test this, and it calls the common function. a := NewTestAgent(t.Name(), TestACLConfig()+` acl_token = "" acl_agent_token = "" acl_agent_master_token = "" `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") type tokens struct { user, agent, master, repl string } resetTokens := func(got tokens) { a.tokens.UpdateUserToken(got.user) a.tokens.UpdateAgentToken(got.agent) a.tokens.UpdateAgentMasterToken(got.master) a.tokens.UpdateACLReplicationToken(got.repl) } body := func(token string) io.Reader { return jsonReader(&api.AgentToken{Token: token}) } badJSON := func() io.Reader { return jsonReader(false) } tests := []struct { name string method, url string body io.Reader code int got, want tokens }{ { name: "bad token name", method: "PUT", url: "nope?token=root", body: body("X"), code: http.StatusNotFound, }, { name: "bad JSON", method: "PUT", url: "acl_token?token=root", body: badJSON(), code: http.StatusBadRequest, }, { name: "set user", method: "PUT", url: "acl_token?token=root", body: body("U"), code: http.StatusOK, want: tokens{user: "U", agent: "U"}, }, { name: "set agent", method: "PUT", url: "acl_agent_token?token=root", body: body("A"), code: http.StatusOK, got: tokens{user: "U", agent: "U"}, want: tokens{user: "U", agent: "A"}, }, { name: "set master", method: "PUT", url: "acl_agent_master_token?token=root", body: body("M"), code: http.StatusOK, want: tokens{master: "M"}, }, { name: "set repl", method: "PUT", url: "acl_replication_token?token=root", body: body("R"), code: http.StatusOK, want: tokens{repl: "R"}, }, { name: "clear user", method: "PUT", url: "acl_token?token=root", body: body(""), code: http.StatusOK, got: tokens{user: "U"}, }, { name: "clear agent", method: "PUT", url: "acl_agent_token?token=root", body: body(""), code: http.StatusOK, got: tokens{agent: "A"}, }, { name: "clear master", method: "PUT", url: "acl_agent_master_token?token=root", body: body(""), code: http.StatusOK, got: tokens{master: "M"}, }, { name: "clear repl", method: "PUT", url: "acl_replication_token?token=root", body: body(""), code: http.StatusOK, got: tokens{repl: "R"}, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { resetTokens(tt.got) url := fmt.Sprintf("/v1/agent/token/%s", tt.url) resp := httptest.NewRecorder() req, _ := http.NewRequest(tt.method, url, tt.body) if _, err := a.srv.AgentToken(resp, req); err != nil { t.Fatalf("err: %v", err) } if got, want := resp.Code, tt.code; got != want { t.Fatalf("got %d want %d", got, want) } if got, want := a.tokens.UserToken(), tt.want.user; got != want { t.Fatalf("got %q want %q", got, want) } if got, want := a.tokens.AgentToken(), tt.want.agent; got != want { t.Fatalf("got %q want %q", got, want) } if tt.want.master != "" && !a.tokens.IsAgentMasterToken(tt.want.master) { t.Fatalf("%q should be the master token", tt.want.master) } if got, want := a.tokens.ACLReplicationToken(), tt.want.repl; got != want { t.Fatalf("got %q want %q", got, want) } }) } // This one returns an error that is interpreted by the HTTP wrapper, so // doesn't fit into our table above. t.Run("permission denied", func(t *testing.T) { resetTokens(tokens{}) req, _ := http.NewRequest("PUT", "/v1/agent/token/acl_token", body("X")) if _, err := a.srv.AgentToken(nil, req); !acl.IsErrPermissionDenied(err) { t.Fatalf("err: %v", err) } if got, want := a.tokens.UserToken(), ""; got != want { t.Fatalf("got %q want %q", got, want) } }) } func TestAgentConnectCARoots_empty(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), "connect { enabled = false }") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/roots", nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectCARoots(resp, req) require.Error(err) require.Contains(err.Error(), "Connect must be enabled") } func TestAgentConnectCARoots_list(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Set some CAs. Note that NewTestAgent already bootstraps one CA so this just // adds a second and makes it active. ca2 := connect.TestCAConfigSet(t, a, nil) // List req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/roots", nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCARoots(resp, req) require.NoError(err) value := obj.(structs.IndexedCARoots) assert.Equal(value.ActiveRootID, ca2.ID) // Would like to assert that it's the same as the TestAgent domain but the // only way to access that state via this package is by RPC to the server // implementation running in TestAgent which is more or less a tautology. assert.NotEmpty(value.TrustDomain) assert.Len(value.Roots, 2) // We should never have the secret information for _, r := range value.Roots { assert.Equal("", r.SigningCert) assert.Equal("", r.SigningKey) } assert.Equal("MISS", resp.Header().Get("X-Cache")) // Test caching { // List it again resp2 := httptest.NewRecorder() obj2, err := a.srv.AgentConnectCARoots(resp2, req) require.NoError(err) assert.Equal(obj, obj2) // Should cache hit this time and not make request assert.Equal("HIT", resp2.Header().Get("X-Cache")) } // Test that caching is updated in the background { // Set a new CA ca := connect.TestCAConfigSet(t, a, nil) retry.Run(t, func(r *retry.R) { // List it again resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCARoots(resp, req) r.Check(err) value := obj.(structs.IndexedCARoots) if ca.ID != value.ActiveRootID { r.Fatalf("%s != %s", ca.ID, value.ActiveRootID) } // There are now 3 CAs because we didn't complete rotation on the original // 2 if len(value.Roots) != 3 { r.Fatalf("bad len: %d", len(value.Roots)) } // Should be a cache hit! The data should've updated in the cache // in the background so this should've been fetched directly from // the cache. if resp.Header().Get("X-Cache") != "HIT" { r.Fatalf("should be a cache hit") } }) } } func TestAgentConnectCALeafCert_aclDefaultDeny(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test", nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectCALeafCert(resp, req) require.Error(err) require.True(acl.IsErrPermissionDenied(err)) } func TestAgentConnectCALeafCert_aclProxyToken(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Get the proxy token from the agent directly, since there is no API. proxy := a.State.Proxy("test-id-proxy") require.NotNil(proxy) token := proxy.ProxyToken require.NotEmpty(token) req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test?token="+token, nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) // Get the issued cert _, ok := obj.(*structs.IssuedCert) require.True(ok) } func TestAgentConnectCALeafCert_aclProxyTokenOther(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Register another service { reg := &structs.ServiceDefinition{ ID: "wrong-id", Name: "wrong", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Get the proxy token from the agent directly, since there is no API. proxy := a.State.Proxy("wrong-id-proxy") require.NotNil(proxy) token := proxy.ProxyToken require.NotEmpty(token) req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test?token="+token, nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectCALeafCert(resp, req) require.Error(err) require.True(acl.IsErrPermissionDenied(err)) } func TestAgentConnectCALeafCert_aclServiceWrite(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Create an ACL with service:write for our service var token string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `service "test" { policy = "write" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) token = aclResp.ID } req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test?token="+token, nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) // Get the issued cert _, ok := obj.(*structs.IssuedCert) require.True(ok) } func TestAgentConnectCALeafCert_aclServiceReadDeny(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Create an ACL with service:read for our service var token string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `service "test" { policy = "read" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) token = aclResp.ID } req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test?token="+token, nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectCALeafCert(resp, req) require.Error(err) require.True(acl.IsErrPermissionDenied(err)) } func TestAgentConnectCALeafCert_good(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // CA already setup by default by NewTestAgent but force a new one so we can // verify it was signed easily. ca1 := connect.TestCAConfigSet(t, a, nil) { // Register a local service args := &structs.ServiceDefinition{ ID: "foo", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) if !assert.Equal(200, resp.Code) { t.Log("Body: ", resp.Body.String()) } } // List req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test", nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) require.Equal("MISS", resp.Header().Get("X-Cache")) // Get the issued cert issued, ok := obj.(*structs.IssuedCert) assert.True(ok) // Verify that the cert is signed by the CA requireLeafValidUnderCA(t, issued, ca1) // Verify blocking index assert.True(issued.ModifyIndex > 0) assert.Equal(fmt.Sprintf("%d", issued.ModifyIndex), resp.Header().Get("X-Consul-Index")) // Test caching { // Fetch it again resp := httptest.NewRecorder() obj2, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) require.Equal(obj, obj2) // Should cache hit this time and not make request require.Equal("HIT", resp.Header().Get("X-Cache")) } // Test that caching is updated in the background { // Set a new CA ca := connect.TestCAConfigSet(t, a, nil) retry.Run(t, func(r *retry.R) { resp := httptest.NewRecorder() // Try and sign again (note no index/wait arg since cache should update in // background even if we aren't actively blocking) obj, err := a.srv.AgentConnectCALeafCert(resp, req) r.Check(err) issued2 := obj.(*structs.IssuedCert) if issued.CertPEM == issued2.CertPEM { r.Fatalf("leaf has not updated") } // Got a new leaf. Sanity check it's a whole new key as well as differnt // cert. if issued.PrivateKeyPEM == issued2.PrivateKeyPEM { r.Fatalf("new leaf has same private key as before") } // Verify that the cert is signed by the new CA requireLeafValidUnderCA(t, issued2, ca) // Should be a cache hit! The data should've updated in the cache // in the background so this should've been fetched directly from // the cache. if resp.Header().Get("X-Cache") != "HIT" { r.Fatalf("should be a cache hit") } }) } } // Test we can request a leaf cert for a service we have permission for // but is not local to this agent. func TestAgentConnectCALeafCert_goodNotLocal(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // CA already setup by default by NewTestAgent but force a new one so we can // verify it was signed easily. ca1 := connect.TestCAConfigSet(t, a, nil) { // Register a non-local service (central catalog) args := &structs.RegisterRequest{ Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "test", Address: "127.0.0.1", Port: 8080, }, } req, _ := http.NewRequest("PUT", "/v1/catalog/register", jsonReader(args)) resp := httptest.NewRecorder() _, err := a.srv.CatalogRegister(resp, req) require.NoError(err) if !assert.Equal(200, resp.Code) { t.Log("Body: ", resp.Body.String()) } } // List req, _ := http.NewRequest("GET", "/v1/agent/connect/ca/leaf/test", nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) require.Equal("MISS", resp.Header().Get("X-Cache")) // Get the issued cert issued, ok := obj.(*structs.IssuedCert) assert.True(ok) // Verify that the cert is signed by the CA requireLeafValidUnderCA(t, issued, ca1) // Verify blocking index assert.True(issued.ModifyIndex > 0) assert.Equal(fmt.Sprintf("%d", issued.ModifyIndex), resp.Header().Get("X-Consul-Index")) // Test caching { // Fetch it again resp := httptest.NewRecorder() obj2, err := a.srv.AgentConnectCALeafCert(resp, req) require.NoError(err) require.Equal(obj, obj2) // Should cache hit this time and not make request require.Equal("HIT", resp.Header().Get("X-Cache")) } // Test that caching is updated in the background { // Set a new CA ca := connect.TestCAConfigSet(t, a, nil) retry.Run(t, func(r *retry.R) { resp := httptest.NewRecorder() // Try and sign again (note no index/wait arg since cache should update in // background even if we aren't actively blocking) obj, err := a.srv.AgentConnectCALeafCert(resp, req) r.Check(err) issued2 := obj.(*structs.IssuedCert) if issued.CertPEM == issued2.CertPEM { r.Fatalf("leaf has not updated") } // Got a new leaf. Sanity check it's a whole new key as well as different // cert. if issued.PrivateKeyPEM == issued2.PrivateKeyPEM { r.Fatalf("new leaf has same private key as before") } // Verify that the cert is signed by the new CA requireLeafValidUnderCA(t, issued2, ca) // Should be a cache hit! The data should've updated in the cache // in the background so this should've been fetched directly from // the cache. if resp.Header().Get("X-Cache") != "HIT" { r.Fatalf("should be a cache hit") } }) } } func requireLeafValidUnderCA(t *testing.T, issued *structs.IssuedCert, ca *structs.CARoot) { roots := x509.NewCertPool() require.True(t, roots.AppendCertsFromPEM([]byte(ca.RootCert))) leaf, err := connect.ParseCert(issued.CertPEM) require.NoError(t, err) _, err = leaf.Verify(x509.VerifyOptions{ Roots: roots, }) require.NoError(t, err) // Verify the private key matches. tls.LoadX509Keypair does this for us! _, err = tls.X509KeyPair([]byte(issued.CertPEM), []byte(issued.PrivateKeyPEM)) require.NoError(t, err) } func TestAgentConnectProxyConfig_Blocking(t *testing.T) { t.Parallel() a := NewTestAgent(t.Name(), testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Define a local service with a managed proxy. It's registered in the test // loop to make sure agent state is predictable whatever order tests execute // since some alter this service config. reg := &structs.ServiceDefinition{ Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{ Command: []string{"tubes.sh"}, Config: map[string]interface{}{ "bind_port": 1234, "connect_timeout_ms": 500, // Specify upstreams in deprecated nested config way here. We test the // new way in the update case below. "upstreams": []map[string]interface{}{ { "destination_name": "db", "local_bind_port": 3131, }, }, }, }, }, } expectedResponse := &api.ConnectProxyConfig{ ProxyServiceID: "test-proxy", TargetServiceID: "test", TargetServiceName: "test", ContentHash: "a7c93585b6d70445", ExecMode: "daemon", Command: []string{"tubes.sh"}, Config: map[string]interface{}{ "bind_address": "127.0.0.1", "local_service_address": "127.0.0.1:8000", "bind_port": int(1234), "connect_timeout_ms": float64(500), }, Upstreams: []api.Upstream{ { DestinationType: "service", DestinationName: "db", LocalBindPort: 3131, }, }, } ur, err := copystructure.Copy(expectedResponse) require.NoError(t, err) updatedResponse := ur.(*api.ConnectProxyConfig) updatedResponse.ContentHash = "aedc0ca0f3f7794e" updatedResponse.Upstreams = append(updatedResponse.Upstreams, api.Upstream{ DestinationType: "service", DestinationName: "cache", LocalBindPort: 4242, Config: map[string]interface{}{ "connect_timeout_ms": float64(1000), }, }) tests := []struct { name string url string updateFunc func() wantWait time.Duration wantCode int wantErr bool wantResp *api.ConnectProxyConfig }{ { name: "simple fetch", url: "/v1/agent/connect/proxy/test-proxy", wantCode: 200, wantErr: false, wantResp: expectedResponse, }, { name: "blocking fetch timeout, no change", url: "/v1/agent/connect/proxy/test-proxy?hash=" + expectedResponse.ContentHash + "&wait=100ms", wantWait: 100 * time.Millisecond, wantCode: 200, wantErr: false, wantResp: expectedResponse, }, { name: "blocking fetch old hash should return immediately", url: "/v1/agent/connect/proxy/test-proxy?hash=123456789abcd&wait=10m", wantCode: 200, wantErr: false, wantResp: expectedResponse, }, { name: "blocking fetch returns change", url: "/v1/agent/connect/proxy/test-proxy?hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Re-register with new proxy config r2, err := copystructure.Copy(reg) require.NoError(t, err) reg2 := r2.(*structs.ServiceDefinition) reg2.Connect.Proxy.Upstreams = structs.UpstreamsFromAPI(updatedResponse.Upstreams) req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(r2)) resp := httptest.NewRecorder() _, err = a.srv.AgentRegisterService(resp, req) require.NoError(t, err) require.Equal(t, 200, resp.Code, "body: %s", resp.Body.String()) }, wantWait: 100 * time.Millisecond, wantCode: 200, wantErr: false, wantResp: updatedResponse, }, { // This test exercises a case that caused a busy loop to eat CPU for the // entire duration of the blocking query. If a service gets re-registered // wth same proxy config then the old proxy config chan is closed causing // blocked watchset.Watch to return false indicating a change. But since // the hash is the same when the blocking fn is re-called we should just // keep blocking on the next iteration. The bug hit was that the WatchSet // ws was not being reset in the loop and so when you try to `Watch` it // the second time it just returns immediately making the blocking loop // into a busy-poll! // // This test though doesn't catch that because busy poll still has the // correct external behaviour. I don't want to instrument the loop to // assert it's not executing too fast here as I can't think of a clean way // and the issue is fixed now so this test doesn't actually catch the // error, but does provide an easy way to verify the behaviour by hand: // 1. Make this test fail e.g. change wantErr to true // 2. Add a log.Println or similar into the blocking loop/function // 3. See whether it's called just once or many times in a tight loop. name: "blocking fetch interrupted with no change (same hash)", url: "/v1/agent/connect/proxy/test-proxy?wait=200ms&hash=" + expectedResponse.ContentHash, updateFunc: func() { time.Sleep(100 * time.Millisecond) // Re-register with _same_ proxy config req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(reg)) resp := httptest.NewRecorder() _, err = a.srv.AgentRegisterService(resp, req) require.NoError(t, err) require.Equal(t, 200, resp.Code, "body: %s", resp.Body.String()) }, wantWait: 200 * time.Millisecond, wantCode: 200, wantErr: false, wantResp: expectedResponse, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { assert := assert.New(t) require := require.New(t) // Register the basic service to ensure it's in a known state to start. { req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } req, _ := http.NewRequest("GET", tt.url, nil) resp := httptest.NewRecorder() if tt.updateFunc != nil { go tt.updateFunc() } start := time.Now() obj, err := a.srv.AgentConnectProxyConfig(resp, req) elapsed := time.Now().Sub(start) if tt.wantErr { require.Error(err) } else { require.NoError(err) } if tt.wantCode != 0 { require.Equal(tt.wantCode, resp.Code, "body: %s", resp.Body.String()) } if tt.wantWait != 0 { assert.True(elapsed >= tt.wantWait, "should have waited at least %s, "+ "took %s", tt.wantWait, elapsed) } else { assert.True(elapsed < 10*time.Millisecond, "should not have waited, "+ "took %s", elapsed) } assert.Equal(tt.wantResp, obj) assert.Equal(tt.wantResp.ContentHash, resp.Header().Get("X-Consul-ContentHash")) }) } } func TestAgentConnectProxyConfig_aclDefaultDeny(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } req, _ := http.NewRequest("GET", "/v1/agent/connect/proxy/test-id-proxy", nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectProxyConfig(resp, req) require.True(acl.IsErrPermissionDenied(err)) } func TestAgentConnectProxyConfig_aclProxyToken(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Get the proxy token from the agent directly, since there is no API // to expose this. proxy := a.State.Proxy("test-id-proxy") require.NotNil(proxy) token := proxy.ProxyToken require.NotEmpty(token) req, _ := http.NewRequest( "GET", "/v1/agent/connect/proxy/test-id-proxy?token="+token, nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectProxyConfig(resp, req) require.NoError(err) proxyCfg := obj.(*api.ConnectProxyConfig) require.Equal("test-id-proxy", proxyCfg.ProxyServiceID) require.Equal("test-id", proxyCfg.TargetServiceID) require.Equal("test", proxyCfg.TargetServiceName) } func TestAgentConnectProxyConfig_aclServiceWrite(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Create an ACL with service:write for our service var token string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `service "test" { policy = "write" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) token = aclResp.ID } req, _ := http.NewRequest( "GET", "/v1/agent/connect/proxy/test-id-proxy?token="+token, nil) resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectProxyConfig(resp, req) require.NoError(err) proxyCfg := obj.(*api.ConnectProxyConfig) require.Equal("test-id-proxy", proxyCfg.ProxyServiceID) require.Equal("test-id", proxyCfg.TargetServiceID) require.Equal("test", proxyCfg.TargetServiceName) } func TestAgentConnectProxyConfig_aclServiceReadDeny(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), TestACLConfig()+testAllowProxyConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register a service with a managed proxy { reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ Proxy: &structs.ServiceDefinitionConnectProxy{}, }, } req, _ := http.NewRequest("PUT", "/v1/agent/service/register?token=root", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } // Create an ACL with service:read for our service var token string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `service "test" { policy = "read" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) token = aclResp.ID } req, _ := http.NewRequest( "GET", "/v1/agent/connect/proxy/test-id-proxy?token="+token, nil) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectProxyConfig(resp, req) require.True(acl.IsErrPermissionDenied(err)) } func makeTelemetryDefaults(targetID string) lib.TelemetryConfig { return lib.TelemetryConfig{ FilterDefault: true, MetricsPrefix: "consul.proxy." + targetID, } } func TestAgentConnectProxyConfig_ConfigHandling(t *testing.T) { t.Parallel() // Get the default command to compare below defaultCommand, err := defaultProxyCommand(nil) require.NoError(t, err) // Define a local service with a managed proxy. It's registered in the test // loop to make sure agent state is predictable whatever order tests execute // since some alter this service config. reg := &structs.ServiceDefinition{ ID: "test-id", Name: "test", Address: "127.0.0.1", Port: 8000, Check: structs.CheckType{ TTL: 15 * time.Second, }, Connect: &structs.ServiceConnect{ // Proxy is populated with the definition in the table below. }, } tests := []struct { name string globalConfig string proxy structs.ServiceDefinitionConnectProxy useToken string wantMode api.ProxyExecMode wantCommand []string wantConfig map[string]interface{} }{ { name: "defaults", globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } `, proxy: structs.ServiceDefinitionConnectProxy{}, wantMode: api.ProxyExecModeDaemon, wantCommand: defaultCommand, wantConfig: map[string]interface{}{ "bind_address": "0.0.0.0", "bind_port": 10000, // "randomly" chosen from our range of 1 "local_service_address": "127.0.0.1:8000", // port from service reg "telemetry": makeTelemetryDefaults(reg.ID), }, }, { name: "global defaults - script", globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } proxy_defaults = { exec_mode = "script" script_command = ["script.sh"] } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } `, proxy: structs.ServiceDefinitionConnectProxy{}, wantMode: api.ProxyExecModeScript, wantCommand: []string{"script.sh"}, wantConfig: map[string]interface{}{ "bind_address": "0.0.0.0", "bind_port": 10000, // "randomly" chosen from our range of 1 "local_service_address": "127.0.0.1:8000", // port from service reg "telemetry": makeTelemetryDefaults(reg.ID), }, }, { name: "global defaults - daemon", globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } proxy_defaults = { exec_mode = "daemon" daemon_command = ["daemon.sh"] } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } `, proxy: structs.ServiceDefinitionConnectProxy{}, wantMode: api.ProxyExecModeDaemon, wantCommand: []string{"daemon.sh"}, wantConfig: map[string]interface{}{ "bind_address": "0.0.0.0", "bind_port": 10000, // "randomly" chosen from our range of 1 "local_service_address": "127.0.0.1:8000", // port from service reg "telemetry": makeTelemetryDefaults(reg.ID), }, }, { name: "global default config merge", globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } proxy_defaults = { config = { connect_timeout_ms = 1000 } } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } telemetry { statsite_address = "localhost:8989" } `, proxy: structs.ServiceDefinitionConnectProxy{ Config: map[string]interface{}{ "foo": "bar", }, }, wantMode: api.ProxyExecModeDaemon, wantCommand: defaultCommand, wantConfig: map[string]interface{}{ "bind_address": "0.0.0.0", "bind_port": 10000, // "randomly" chosen from our range of 1 "local_service_address": "127.0.0.1:8000", // port from service reg "connect_timeout_ms": 1000, "foo": "bar", "telemetry": lib.TelemetryConfig{ FilterDefault: true, MetricsPrefix: "consul.proxy." + reg.ID, StatsiteAddr: "localhost:8989", }, }, }, { name: "overrides in reg", globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } proxy_defaults = { exec_mode = "daemon" daemon_command = ["daemon.sh"] script_command = ["script.sh"] config = { connect_timeout_ms = 1000 } } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } telemetry { statsite_address = "localhost:8989" } `, proxy: structs.ServiceDefinitionConnectProxy{ ExecMode: "script", Command: []string{"foo.sh"}, Config: map[string]interface{}{ "connect_timeout_ms": 2000, "bind_address": "127.0.0.1", "bind_port": 1024, "local_service_address": "127.0.0.1:9191", "telemetry": map[string]interface{}{ "statsite_address": "stats.it:10101", "metrics_prefix": "foo", // important! checks that our prefix logic respects user customization }, }, }, wantMode: api.ProxyExecModeScript, wantCommand: []string{"foo.sh"}, wantConfig: map[string]interface{}{ "bind_address": "127.0.0.1", "bind_port": int(1024), "local_service_address": "127.0.0.1:9191", "connect_timeout_ms": float64(2000), "telemetry": lib.TelemetryConfig{ FilterDefault: true, MetricsPrefix: "foo", StatsiteAddr: "stats.it:10101", }, }, }, { name: "reg telemetry not compatible, preserved with no merge", globalConfig: ` connect { enabled = true proxy { allow_managed_api_registration = true } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } telemetry { statsite_address = "localhost:8989" } `, proxy: structs.ServiceDefinitionConnectProxy{ ExecMode: "script", Command: []string{"foo.sh"}, Config: map[string]interface{}{ "telemetry": map[string]interface{}{ "foo": "bar", }, }, }, wantMode: api.ProxyExecModeScript, wantCommand: []string{"foo.sh"}, wantConfig: map[string]interface{}{ "bind_address": "127.0.0.1", "bind_port": 10000, // "randomly" chosen from our range of 1 "local_service_address": "127.0.0.1:8000", // port from service reg "telemetry": map[string]interface{}{ "foo": "bar", }, }, }, { name: "reg passed through with no agent config added if not proxy token auth", useToken: "foo", // no actual ACLs set so this any token will work but has to be non-empty to be used below globalConfig: ` bind_addr = "0.0.0.0" connect { enabled = true proxy { allow_managed_api_registration = true } proxy_defaults = { exec_mode = "daemon" daemon_command = ["daemon.sh"] script_command = ["script.sh"] config = { connect_timeout_ms = 1000 } } } ports { proxy_min_port = 10000 proxy_max_port = 10000 } telemetry { statsite_address = "localhost:8989" } `, proxy: structs.ServiceDefinitionConnectProxy{ ExecMode: "script", Command: []string{"foo.sh"}, Config: map[string]interface{}{ "connect_timeout_ms": 2000, "bind_address": "127.0.0.1", "bind_port": 1024, "local_service_address": "127.0.0.1:9191", "telemetry": map[string]interface{}{ "metrics_prefix": "foo", }, }, }, wantMode: api.ProxyExecModeScript, wantCommand: []string{"foo.sh"}, wantConfig: map[string]interface{}{ "bind_address": "127.0.0.1", "bind_port": int(1024), "local_service_address": "127.0.0.1:9191", "connect_timeout_ms": float64(2000), "telemetry": map[string]interface{}{ // No defaults merged "metrics_prefix": "foo", }, }, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), tt.globalConfig) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register the basic service with the required config { reg.Connect.Proxy = &tt.proxy req, _ := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(reg)) resp := httptest.NewRecorder() _, err := a.srv.AgentRegisterService(resp, req) require.NoError(err) require.Equal(200, resp.Code, "body: %s", resp.Body.String()) } proxy := a.State.Proxy("test-id-proxy") require.NotNil(proxy) require.NotEmpty(proxy.ProxyToken) req, _ := http.NewRequest("GET", "/v1/agent/connect/proxy/test-id-proxy", nil) if tt.useToken != "" { req.Header.Set("X-Consul-Token", tt.useToken) } else { req.Header.Set("X-Consul-Token", proxy.ProxyToken) } resp := httptest.NewRecorder() obj, err := a.srv.AgentConnectProxyConfig(resp, req) require.NoError(err) proxyCfg := obj.(*api.ConnectProxyConfig) assert.Equal("test-id-proxy", proxyCfg.ProxyServiceID) assert.Equal("test-id", proxyCfg.TargetServiceID) assert.Equal("test", proxyCfg.TargetServiceName) assert.Equal(tt.wantMode, proxyCfg.ExecMode) assert.Equal(tt.wantCommand, proxyCfg.Command) require.Equal(tt.wantConfig, proxyCfg.Config) }) } } func TestAgentConnectAuthorize_badBody(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := []string{} req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Error(err) assert.Nil(respRaw) // Note that BadRequestError is handled outside the endpoint handler so we // still see a 200 if we check here. assert.Contains(err.Error(), "decode failed") } func TestAgentConnectAuthorize_noTarget(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ConnectAuthorizeRequest{} req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Error(err) assert.Nil(respRaw) // Note that BadRequestError is handled outside the endpoint handler so we // still see a 200 if we check here. assert.Contains(err.Error(), "Target service must be specified") } // Client ID is not in the valid URI format func TestAgentConnectAuthorize_idInvalidFormat(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ConnectAuthorizeRequest{ Target: "web", ClientCertURI: "tubes", } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Error(err) assert.Nil(respRaw) // Note that BadRequestError is handled outside the endpoint handler so we // still see a 200 if we check here. assert.Contains(err.Error(), "ClientCertURI not a valid Connect identifier") } // Client ID is a valid URI but its not a service URI func TestAgentConnectAuthorize_idNotService(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.ConnectAuthorizeRequest{ Target: "web", ClientCertURI: "spiffe://1234.consul", } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Error(err) assert.Nil(respRaw) // Note that BadRequestError is handled outside the endpoint handler so we // still see a 200 if we check here. assert.Contains(err.Error(), "ClientCertURI not a valid Service identifier") } // Test when there is an intention allowing the connection func TestAgentConnectAuthorize_allow(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") target := "db" // Create some intentions var ixnId string { req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpCreate, Intention: structs.TestIntention(t), } req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "web" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionAllow require.Nil(a.RPC("Intention.Apply", &req, &ixnId)) } args := &structs.ConnectAuthorizeRequest{ Target: target, ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Nil(err) require.Equal(200, resp.Code) require.Equal("MISS", resp.Header().Get("X-Cache")) obj := respRaw.(*connectAuthorizeResp) require.True(obj.Authorized) require.Contains(obj.Reason, "Matched") // Make the request again { req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Nil(err) require.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) require.True(obj.Authorized) require.Contains(obj.Reason, "Matched") // That should've been a cache hit. require.Equal("HIT", resp.Header().Get("X-Cache")) } // Change the intention { req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpUpdate, Intention: structs.TestIntention(t), } req.Intention.ID = ixnId req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "web" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionDeny require.Nil(a.RPC("Intention.Apply", &req, &ixnId)) } // Short sleep lets the cache background refresh happen time.Sleep(100 * time.Millisecond) // Make the request again { req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.Nil(err) require.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) require.False(obj.Authorized) require.Contains(obj.Reason, "Matched") // That should've been a cache hit, too, since it updated in the // background. require.Equal("HIT", resp.Header().Get("X-Cache")) } } // Test when there is an intention denying the connection func TestAgentConnectAuthorize_deny(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") target := "db" // Create some intentions { req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpCreate, Intention: structs.TestIntention(t), } req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "web" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionDeny var reply string assert.Nil(a.RPC("Intention.Apply", &req, &reply)) } args := &structs.ConnectAuthorizeRequest{ Target: target, ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) assert.Nil(err) assert.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) assert.False(obj.Authorized) assert.Contains(obj.Reason, "Matched") } // Test when there is an intention allowing service but for a different trust // domain. func TestAgentConnectAuthorize_denyTrustDomain(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") target := "db" // Create some intentions { req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpCreate, Intention: structs.TestIntention(t), } req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "web" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionAllow var reply string require.NoError(a.RPC("Intention.Apply", &req, &reply)) } { args := &structs.ConnectAuthorizeRequest{ Target: target, ClientCertURI: "spiffe://fake-domain.consul/ns/default/dc/dc1/svc/web", } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.NoError(err) assert.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) assert.False(obj.Authorized) assert.Contains(obj.Reason, "Identity from an external trust domain") } } func TestAgentConnectAuthorize_denyWildcard(t *testing.T) { t.Parallel() assert := assert.New(t) require := require.New(t) a := NewTestAgent(t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") target := "db" // Create some intentions { // Deny wildcard to DB req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpCreate, Intention: structs.TestIntention(t), } req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "*" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionDeny var reply string require.NoError(a.RPC("Intention.Apply", &req, &reply)) } { // Allow web to DB req := structs.IntentionRequest{ Datacenter: "dc1", Op: structs.IntentionOpCreate, Intention: structs.TestIntention(t), } req.Intention.SourceNS = structs.IntentionDefaultNamespace req.Intention.SourceName = "web" req.Intention.DestinationNS = structs.IntentionDefaultNamespace req.Intention.DestinationName = target req.Intention.Action = structs.IntentionActionAllow var reply string assert.Nil(a.RPC("Intention.Apply", &req, &reply)) } // Web should be allowed { args := &structs.ConnectAuthorizeRequest{ Target: target, ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.NoError(err) assert.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) assert.True(obj.Authorized) assert.Contains(obj.Reason, "Matched") } // API should be denied { args := &structs.ConnectAuthorizeRequest{ Target: target, ClientCertURI: connect.TestSpiffeIDService(t, "api").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) require.NoError(err) assert.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) assert.False(obj.Authorized) assert.Contains(obj.Reason, "Matched") } } // Test that authorize fails without service:write for the target service. func TestAgentConnectAuthorize_serviceWrite(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Create an ACL var token string { args := map[string]interface{}{ "Name": "User Token", "Type": "client", "Rules": `service "foo" { policy = "read" }`, } req, _ := http.NewRequest("PUT", "/v1/acl/create?token=root", jsonReader(args)) resp := httptest.NewRecorder() obj, err := a.srv.ACLCreate(resp, req) if err != nil { t.Fatalf("err: %v", err) } aclResp := obj.(aclCreateResponse) token = aclResp.ID } args := &structs.ConnectAuthorizeRequest{ Target: "foo", ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize?token="+token, jsonReader(args)) resp := httptest.NewRecorder() _, err := a.srv.AgentConnectAuthorize(resp, req) assert.True(acl.IsErrPermissionDenied(err)) } // Test when no intentions match w/ a default deny policy func TestAgentConnectAuthorize_defaultDeny(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t.Name(), TestACLConfig()) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") args := &structs.ConnectAuthorizeRequest{ Target: "foo", ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize?token=root", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) assert.Nil(err) assert.Equal(200, resp.Code) obj := respRaw.(*connectAuthorizeResp) assert.False(obj.Authorized) assert.Contains(obj.Reason, "Default behavior") } // Test when no intentions match w/ a default allow policy func TestAgentConnectAuthorize_defaultAllow(t *testing.T) { t.Parallel() assert := assert.New(t) dc1 := "dc1" a := NewTestAgent(t.Name(), ` acl_datacenter = "`+dc1+`" acl_default_policy = "allow" acl_master_token = "root" acl_agent_token = "root" acl_agent_master_token = "towel" acl_enforce_version_8 = true `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, dc1) args := &structs.ConnectAuthorizeRequest{ Target: "foo", ClientCertURI: connect.TestSpiffeIDService(t, "web").URI().String(), } req, _ := http.NewRequest("POST", "/v1/agent/connect/authorize?token=root", jsonReader(args)) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentConnectAuthorize(resp, req) assert.Nil(err) assert.Equal(200, resp.Code) assert.NotNil(respRaw) obj := respRaw.(*connectAuthorizeResp) assert.True(obj.Authorized) assert.Contains(obj.Reason, "Default behavior") } // testAllowProxyConfig returns agent config to allow managed proxy API // registration. func testAllowProxyConfig() string { return ` connect { enabled = true proxy { allow_managed_api_registration = true } } ` } func TestAgent_Host(t *testing.T) { t.Parallel() assert := assert.New(t) dc1 := "dc1" a := NewTestAgent(t.Name(), ` acl_datacenter = "`+dc1+`" acl_default_policy = "allow" acl_master_token = "master" acl_agent_token = "agent" acl_agent_master_token = "towel" acl_enforce_version_8 = true `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/host?token=master", nil) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentHost(resp, req) assert.Nil(err) assert.Equal(http.StatusOK, resp.Code) assert.NotNil(respRaw) obj := respRaw.(*debug.HostInfo) assert.NotNil(obj.CollectionTime) assert.Empty(obj.Errors) } func TestAgent_HostBadACL(t *testing.T) { t.Parallel() assert := assert.New(t) dc1 := "dc1" a := NewTestAgent(t.Name(), ` acl_datacenter = "`+dc1+`" acl_default_policy = "deny" acl_master_token = "root" acl_agent_token = "agent" acl_agent_master_token = "towel" acl_enforce_version_8 = true `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", "/v1/agent/host?token=agent", nil) resp := httptest.NewRecorder() respRaw, err := a.srv.AgentHost(resp, req) assert.EqualError(err, "ACL not found") assert.Equal(http.StatusOK, resp.Code) assert.Nil(respRaw) }