package agent import ( "bytes" "context" "crypto/tls" "encoding/json" "fmt" "io/ioutil" "net" "net/http" "net/http/httptest" "os" "path/filepath" "strconv" "strings" "testing" "time" "github.com/google/tcpproxy" "github.com/hashicorp/consul/agent/cache" cachetype "github.com/hashicorp/consul/agent/cache-types" "github.com/hashicorp/consul/agent/checks" "github.com/hashicorp/consul/agent/config" "github.com/hashicorp/consul/agent/connect" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/ipaddr" "github.com/hashicorp/consul/sdk/freeport" "github.com/hashicorp/consul/sdk/testutil" "github.com/hashicorp/consul/sdk/testutil/retry" "github.com/hashicorp/consul/testrpc" "github.com/hashicorp/consul/types" "github.com/hashicorp/go-uuid" "github.com/hashicorp/serf/serf" "github.com/pascaldekloe/goe/verify" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func getService(a *TestAgent, id string) *structs.NodeService { return a.State.Service(structs.NewServiceID(id, nil)) } func getCheck(a *TestAgent, id types.CheckID) *structs.HealthCheck { return a.State.Check(structs.NewCheckID(id, nil)) } func requireServiceExists(t *testing.T, a *TestAgent, id string) *structs.NodeService { t.Helper() svc := getService(a, id) require.NotNil(t, svc, "missing service %q", id) return svc } func requireServiceMissing(t *testing.T, a *TestAgent, id string) { t.Helper() require.Nil(t, getService(a, id), "have service %q (expected missing)", id) } func requireCheckExists(t *testing.T, a *TestAgent, id types.CheckID) *structs.HealthCheck { t.Helper() chk := getCheck(a, id) require.NotNil(t, chk, "missing check %q", id) return chk } func requireCheckMissing(t *testing.T, a *TestAgent, id types.CheckID) { t.Helper() require.Nil(t, getCheck(a, id), "have check %q (expected missing)", id) } func requireCheckExistsMap(t *testing.T, m interface{}, id types.CheckID) { t.Helper() require.Contains(t, m, structs.NewCheckID(id, nil), "missing check %q", id) } func requireCheckMissingMap(t *testing.T, m interface{}, id types.CheckID) { t.Helper() require.NotContains(t, m, structs.NewCheckID(id, nil), "have check %q (expected missing)", id) } func externalIP() (string, error) { addrs, err := net.InterfaceAddrs() if err != nil { return "", fmt.Errorf("Unable to lookup network interfaces: %v", err) } for _, a := range addrs { if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() { if ipnet.IP.To4() != nil { return ipnet.IP.String(), nil } } } return "", fmt.Errorf("Unable to find a non-loopback interface") } func TestAgent_MultiStartStop(t *testing.T) { for i := 0; i < 10; i++ { t.Run("", func(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") time.Sleep(250 * time.Millisecond) a.Shutdown() }) } } func TestAgent_ConnectClusterIDConfig(t *testing.T) { tests := []struct { name string hcl string wantClusterID string wantErr bool }{ { name: "default TestAgent has fixed cluster id", hcl: "", wantClusterID: connect.TestClusterID, }, { name: "no cluster ID specified sets to test ID", hcl: "connect { enabled = true }", wantClusterID: connect.TestClusterID, }, { name: "non-UUID cluster_id is fatal", hcl: `connect { enabled = true ca_config { cluster_id = "fake-id" } }`, wantClusterID: "", wantErr: true, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { a := NewTestAgentWithFields(t, false, TestAgent{HCL: tt.hcl}) err := a.Start(t) if tt.wantErr { if err == nil { t.Fatal("expected error, got nil") } return // don't run the rest of the test } if !tt.wantErr && err != nil { t.Fatal(err) } defer a.Shutdown() cfg := a.consulConfig() assert.Equal(t, tt.wantClusterID, cfg.CAConfig.ClusterID) }) } } func TestAgent_StartStop(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() if err := a.Leave(); err != nil { t.Fatalf("err: %v", err) } if err := a.Shutdown(); err != nil { t.Fatalf("err: %v", err) } select { case <-a.ShutdownCh(): default: t.Fatalf("should be closed") } } func TestAgent_RPCPing(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") var out struct{} if err := a.RPC("Status.Ping", struct{}{}, &out); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_TokenStore(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` acl_token = "user" acl_agent_token = "agent" acl_agent_master_token = "master"`, ) defer a.Shutdown() if got, want := a.tokens.UserToken(), "user"; got != want { t.Fatalf("got %q want %q", got, want) } if got, want := a.tokens.AgentToken(), "agent"; got != want { t.Fatalf("got %q want %q", got, want) } if got, want := a.tokens.IsAgentMasterToken("master"), true; got != want { t.Fatalf("got %v want %v", got, want) } } func TestAgent_ReconnectConfigSettings(t *testing.T) { t.Parallel() func() { a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() lan := a.consulConfig().SerfLANConfig.ReconnectTimeout if lan != 3*24*time.Hour { t.Fatalf("bad: %s", lan.String()) } wan := a.consulConfig().SerfWANConfig.ReconnectTimeout if wan != 3*24*time.Hour { t.Fatalf("bad: %s", wan.String()) } }() func() { a := NewTestAgent(t, t.Name(), ` reconnect_timeout = "24h" reconnect_timeout_wan = "36h" `) defer a.Shutdown() lan := a.consulConfig().SerfLANConfig.ReconnectTimeout if lan != 24*time.Hour { t.Fatalf("bad: %s", lan.String()) } wan := a.consulConfig().SerfWANConfig.ReconnectTimeout if wan != 36*time.Hour { t.Fatalf("bad: %s", wan.String()) } }() } func TestAgent_ReconnectConfigWanDisabled(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` ports { serf_wan = -1 } reconnect_timeout_wan = "36h" `) defer a.Shutdown() // This is also testing that we dont panic like before #4515 require.Nil(t, a.consulConfig().SerfWANConfig) } func TestAgent_setupNodeID(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` node_id = "" `) defer a.Shutdown() cfg := a.config // The auto-assigned ID should be valid. id := a.consulConfig().NodeID if _, err := uuid.ParseUUID(string(id)); err != nil { t.Fatalf("err: %v", err) } // Running again should get the same ID (persisted in the file). cfg.NodeID = "" if err := a.setupNodeID(cfg); err != nil { t.Fatalf("err: %v", err) } if newID := a.consulConfig().NodeID; id != newID { t.Fatalf("bad: %q vs %q", id, newID) } // Set an invalid ID via.Config. cfg.NodeID = types.NodeID("nope") err := a.setupNodeID(cfg) if err == nil || !strings.Contains(err.Error(), "uuid string is wrong length") { t.Fatalf("err: %v", err) } // Set a valid ID via.Config. newID, err := uuid.GenerateUUID() if err != nil { t.Fatalf("err: %v", err) } cfg.NodeID = types.NodeID(strings.ToUpper(newID)) if err := a.setupNodeID(cfg); err != nil { t.Fatalf("err: %v", err) } if id := a.consulConfig().NodeID; string(id) != newID { t.Fatalf("bad: %q vs. %q", id, newID) } // Set an invalid ID via the file. fileID := filepath.Join(cfg.DataDir, "node-id") if err := ioutil.WriteFile(fileID, []byte("adf4238a!882b!9ddc!4a9d!5b6758e4159e"), 0600); err != nil { t.Fatalf("err: %v", err) } cfg.NodeID = "" err = a.setupNodeID(cfg) if err == nil || !strings.Contains(err.Error(), "uuid is improperly formatted") { t.Fatalf("err: %v", err) } // Set a valid ID via the file. if err := ioutil.WriteFile(fileID, []byte("ADF4238a-882b-9ddc-4a9d-5b6758e4159e"), 0600); err != nil { t.Fatalf("err: %v", err) } cfg.NodeID = "" if err := a.setupNodeID(cfg); err != nil { t.Fatalf("err: %v", err) } if id := a.consulConfig().NodeID; string(id) != "adf4238a-882b-9ddc-4a9d-5b6758e4159e" { t.Fatalf("bad: %q vs. %q", id, newID) } } func TestAgent_makeNodeID(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` node_id = "" `) defer a.Shutdown() // We should get a valid host-based ID initially. id, err := a.makeNodeID() if err != nil { t.Fatalf("err: %v", err) } if _, err := uuid.ParseUUID(string(id)); err != nil { t.Fatalf("err: %v", err) } // Calling again should yield a random ID by default. another, err := a.makeNodeID() if err != nil { t.Fatalf("err: %v", err) } if id == another { t.Fatalf("bad: %s vs %s", id, another) } // Turn on host-based IDs and try again. We should get the same ID // each time (and a different one from the random one above). a.Config.DisableHostNodeID = false id, err = a.makeNodeID() if err != nil { t.Fatalf("err: %v", err) } if id == another { t.Fatalf("bad: %s vs %s", id, another) } // Calling again should yield the host-based ID. another, err = a.makeNodeID() if err != nil { t.Fatalf("err: %v", err) } if id != another { t.Fatalf("bad: %s vs %s", id, another) } } func TestAgent_AddService(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_AddService(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_AddService(t, "enable_central_service_config = true") }) } func testAgent_AddService(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` node_name = "node1" `+extraHCL) defer a.Shutdown() tests := []struct { desc string srv *structs.NodeService wantSrv func(ns *structs.NodeService) chkTypes []*structs.CheckType healthChks map[string]*structs.HealthCheck }{ { "one check", &structs.NodeService{ ID: "svcid1", Service: "svcname1", Tags: []string{"tag1"}, Weights: nil, // nil weights... Port: 8100, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, // ... should be populated to avoid "IsSame" returning true during AE. func(ns *structs.NodeService) { ns.Weights = &structs.Weights{ Passing: 1, Warning: 1, } }, []*structs.CheckType{ &structs.CheckType{ CheckID: "check1", Name: "name1", TTL: time.Minute, Notes: "note1", }, }, map[string]*structs.HealthCheck{ "check1": &structs.HealthCheck{ Node: "node1", CheckID: "check1", Name: "name1", Status: "critical", Notes: "note1", ServiceID: "svcid1", ServiceName: "svcname1", ServiceTags: []string{"tag1"}, Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, }, }, { "multiple checks", &structs.NodeService{ ID: "svcid2", Service: "svcname2", Weights: &structs.Weights{ Passing: 2, Warning: 1, }, Tags: []string{"tag2"}, Port: 8200, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, nil, // No change expected []*structs.CheckType{ &structs.CheckType{ CheckID: "check1", Name: "name1", TTL: time.Minute, Notes: "note1", }, &structs.CheckType{ CheckID: "check-noname", TTL: time.Minute, }, &structs.CheckType{ Name: "check-noid", TTL: time.Minute, }, &structs.CheckType{ TTL: time.Minute, }, }, map[string]*structs.HealthCheck{ "check1": &structs.HealthCheck{ Node: "node1", CheckID: "check1", Name: "name1", Status: "critical", Notes: "note1", ServiceID: "svcid2", ServiceName: "svcname2", ServiceTags: []string{"tag2"}, Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, "check-noname": &structs.HealthCheck{ Node: "node1", CheckID: "check-noname", Name: "Service 'svcname2' check", Status: "critical", ServiceID: "svcid2", ServiceName: "svcname2", ServiceTags: []string{"tag2"}, Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, "service:svcid2:3": &structs.HealthCheck{ Node: "node1", CheckID: "service:svcid2:3", Name: "check-noid", Status: "critical", ServiceID: "svcid2", ServiceName: "svcname2", ServiceTags: []string{"tag2"}, Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, "service:svcid2:4": &structs.HealthCheck{ Node: "node1", CheckID: "service:svcid2:4", Name: "Service 'svcname2' check", Status: "critical", ServiceID: "svcid2", ServiceName: "svcname2", ServiceTags: []string{"tag2"}, Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, }, }, } for _, tt := range tests { t.Run(tt.desc, func(t *testing.T) { // check the service registration t.Run(tt.srv.ID, func(t *testing.T) { err := a.AddService(tt.srv, tt.chkTypes, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } got := getService(a, tt.srv.ID) // Make a copy since the tt.srv points to the one in memory in the local // state still so changing it is a tautology! want := *tt.srv if tt.wantSrv != nil { tt.wantSrv(&want) } require.Equal(t, &want, got) require.True(t, got.IsSame(&want)) }) // check the health checks for k, v := range tt.healthChks { t.Run(k, func(t *testing.T) { got := getCheck(a, types.CheckID(k)) require.Equal(t, v, got) }) } // check the ttl checks for k := range tt.healthChks { t.Run(k+" ttl", func(t *testing.T) { chk := a.checkTTLs[structs.NewCheckID(types.CheckID(k), nil)] if chk == nil { t.Fatal("got nil want TTL check") } if got, want := string(chk.CheckID.ID), k; got != want { t.Fatalf("got CheckID %v want %v", got, want) } if got, want := chk.TTL, time.Minute; got != want { t.Fatalf("got TTL %v want %v", got, want) } }) } }) } } func TestAgent_AddServices_AliasUpdateCheckNotReverted(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_AddServices_AliasUpdateCheckNotReverted(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_AddServices_AliasUpdateCheckNotReverted(t, "enable_central_service_config = true") }) } func testAgent_AddServices_AliasUpdateCheckNotReverted(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` node_name = "node1" `+extraHCL) defer a.Shutdown() // It's tricky to get an UpdateCheck call to be timed properly so it lands // right in the middle of an addServiceInternal call so we cheat a bit and // rely upon alias checks to do that work for us. We add enough services // that probabilistically one of them is going to end up properly in the // critical section. // // The first number I picked here (10) surprisingly failed every time prior // to PR #6144 solving the underlying problem. const numServices = 10 services := make([]*structs.ServiceDefinition, numServices) checkIDs := make([]types.CheckID, numServices) for i := 0; i < numServices; i++ { name := fmt.Sprintf("web-%d", i) services[i] = &structs.ServiceDefinition{ ID: name, Name: name, Port: 8080 + i, Checks: []*structs.CheckType{ &structs.CheckType{ Name: "alias-for-fake-service", AliasService: "fake", }, }, } checkIDs[i] = types.CheckID("service:" + name) } // Add all of the services quickly as you might do from config file snippets. for _, service := range services { ns := service.NodeService() chkTypes, err := service.CheckTypes() require.NoError(t, err) require.NoError(t, a.AddService(ns, chkTypes, false, service.Token, ConfigSourceLocal)) } retry.Run(t, func(r *retry.R) { gotChecks := a.State.Checks(nil) for id, check := range gotChecks { require.Equal(r, "passing", check.Status, "check %q is wrong", id) require.Equal(r, "No checks found.", check.Output, "check %q is wrong", id) } }) } func TestAgent_AddServiceNoExec(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_AddServiceNoExec(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_AddServiceNoExec(t, "enable_central_service_config = true") }) } func testAgent_AddServiceNoExec(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` node_name = "node1" `+extraHCL) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ ID: "svcid1", Service: "svcname1", Tags: []string{"tag1"}, Port: 8100, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddService(srv, []*structs.CheckType{chk}, false, "", ConfigSourceLocal) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("err: %v", err) } err = a.AddService(srv, []*structs.CheckType{chk}, false, "", ConfigSourceRemote) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("err: %v", err) } } func TestAgent_AddServiceNoRemoteExec(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_AddServiceNoRemoteExec(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_AddServiceNoRemoteExec(t, "enable_central_service_config = true") }) } func testAgent_AddServiceNoRemoteExec(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` node_name = "node1" enable_local_script_checks = true `+extraHCL) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ ID: "svcid1", Service: "svcname1", Tags: []string{"tag1"}, Port: 8100, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddService(srv, []*structs.CheckType{chk}, false, "", ConfigSourceRemote) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("err: %v", err) } } func TestAddServiceIPv4TaggedDefault(t *testing.T) { t.Helper() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ Service: "my_service", ID: "my_service_id", Port: 8100, Address: "10.0.1.2", } err := a.AddService(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote) require.Nil(t, err) ns := a.State.Service(structs.NewServiceID("my_service_id", nil)) require.NotNil(t, ns) svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port} require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv4]) require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressWANIPv4]) _, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv6] require.False(t, ok) _, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv6] require.False(t, ok) } func TestAddServiceIPv6TaggedDefault(t *testing.T) { t.Helper() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ Service: "my_service", ID: "my_service_id", Port: 8100, Address: "::5", } err := a.AddService(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote) require.Nil(t, err) ns := a.State.Service(structs.NewServiceID("my_service_id", nil)) require.NotNil(t, ns) svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port} require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv6]) require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressWANIPv6]) _, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv4] require.False(t, ok) _, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv4] require.False(t, ok) } func TestAddServiceIPv4TaggedSet(t *testing.T) { t.Helper() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ Service: "my_service", ID: "my_service_id", Port: 8100, Address: "10.0.1.2", TaggedAddresses: map[string]structs.ServiceAddress{ structs.TaggedAddressWANIPv4: { Address: "10.100.200.5", Port: 8100, }, }, } err := a.AddService(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote) require.Nil(t, err) ns := a.State.Service(structs.NewServiceID("my_service_id", nil)) require.NotNil(t, ns) svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port} require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv4]) require.Equal(t, structs.ServiceAddress{Address: "10.100.200.5", Port: 8100}, ns.TaggedAddresses[structs.TaggedAddressWANIPv4]) _, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv6] require.False(t, ok) _, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv6] require.False(t, ok) } func TestAddServiceIPv6TaggedSet(t *testing.T) { t.Helper() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") srv := &structs.NodeService{ Service: "my_service", ID: "my_service_id", Port: 8100, Address: "::5", TaggedAddresses: map[string]structs.ServiceAddress{ structs.TaggedAddressWANIPv6: { Address: "::6", Port: 8100, }, }, } err := a.AddService(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote) require.Nil(t, err) ns := a.State.Service(structs.NewServiceID("my_service_id", nil)) require.NotNil(t, ns) svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port} require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv6]) require.Equal(t, structs.ServiceAddress{Address: "::6", Port: 8100}, ns.TaggedAddresses[structs.TaggedAddressWANIPv6]) _, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv4] require.False(t, ok) _, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv4] require.False(t, ok) } func TestAgent_RemoveService(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_RemoveService(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_RemoveService(t, "enable_central_service_config = true") }) } func testAgent_RemoveService(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), extraHCL) defer a.Shutdown() // Remove a service that doesn't exist if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil { t.Fatalf("err: %v", err) } // Remove without an ID if err := a.RemoveService(structs.NewServiceID("", nil)); err == nil { t.Fatalf("should have errored") } // Removing a service with a single check works { srv := &structs.NodeService{ ID: "memcache", Service: "memcache", Port: 8000, } chkTypes := []*structs.CheckType{&structs.CheckType{TTL: time.Minute}} if err := a.AddService(srv, chkTypes, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Add a check after the fact with a specific check ID check := &structs.CheckDefinition{ ID: "check2", Name: "check2", ServiceID: "memcache", TTL: time.Minute, } hc := check.HealthCheck("node1") if err := a.AddCheck(hc, check.CheckType(), false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } if err := a.RemoveService(structs.NewServiceID("memcache", nil)); err != nil { t.Fatalf("err: %s", err) } require.Nil(t, a.State.Check(structs.NewCheckID("service:memcache", nil)), "have memcache check") require.Nil(t, a.State.Check(structs.NewCheckID("check2", nil)), "have check2 check") } // Removing a service with multiple checks works { // add a service to remove srv := &structs.NodeService{ ID: "redis", Service: "redis", Port: 8000, } chkTypes := []*structs.CheckType{ &structs.CheckType{TTL: time.Minute}, &structs.CheckType{TTL: 30 * time.Second}, } if err := a.AddService(srv, chkTypes, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // add another service that wont be affected srv = &structs.NodeService{ ID: "mysql", Service: "mysql", Port: 3306, } chkTypes = []*structs.CheckType{ &structs.CheckType{TTL: time.Minute}, &structs.CheckType{TTL: 30 * time.Second}, } if err := a.AddService(srv, chkTypes, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Remove the service if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil { t.Fatalf("err: %v", err) } // Ensure we have a state mapping requireServiceMissing(t, a, "redis") // Ensure checks were removed requireCheckMissing(t, a, "service:redis:1") requireCheckMissing(t, a, "service:redis:2") requireCheckMissingMap(t, a.checkTTLs, "service:redis:1") requireCheckMissingMap(t, a.checkTTLs, "service:redis:2") // check the mysql service is unnafected requireCheckExistsMap(t, a.checkTTLs, "service:mysql:1") requireCheckExists(t, a, "service:mysql:1") requireCheckExistsMap(t, a.checkTTLs, "service:mysql:2") requireCheckExists(t, a, "service:mysql:2") } } func TestAgent_RemoveServiceRemovesAllChecks(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_RemoveServiceRemovesAllChecks(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_RemoveServiceRemovesAllChecks(t, "enable_central_service_config = true") }) } func testAgent_RemoveServiceRemovesAllChecks(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` node_name = "node1" `+extraHCL) defer a.Shutdown() svc := &structs.NodeService{ID: "redis", Service: "redis", Port: 8000, EnterpriseMeta: *structs.DefaultEnterpriseMeta()} chk1 := &structs.CheckType{CheckID: "chk1", Name: "chk1", TTL: time.Minute} chk2 := &structs.CheckType{CheckID: "chk2", Name: "chk2", TTL: 2 * time.Minute} hchk1 := &structs.HealthCheck{ Node: "node1", CheckID: "chk1", Name: "chk1", Status: "critical", ServiceID: "redis", ServiceName: "redis", Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), } hchk2 := &structs.HealthCheck{Node: "node1", CheckID: "chk2", Name: "chk2", Status: "critical", ServiceID: "redis", ServiceName: "redis", Type: "ttl", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), } // register service with chk1 if err := a.AddService(svc, []*structs.CheckType{chk1}, false, "", ConfigSourceLocal); err != nil { t.Fatal("Failed to register service", err) } // verify chk1 exists requireCheckExists(t, a, "chk1") // update the service with chk2 if err := a.AddService(svc, []*structs.CheckType{chk2}, false, "", ConfigSourceLocal); err != nil { t.Fatal("Failed to update service", err) } // check that both checks are there require.Equal(t, hchk1, getCheck(a, "chk1")) require.Equal(t, hchk2, getCheck(a, "chk2")) // Remove service if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil { t.Fatal("Failed to remove service", err) } // Check that both checks are gone requireCheckMissing(t, a, "chk1") requireCheckMissing(t, a, "chk2") } // TestAgent_IndexChurn is designed to detect a class of issues where // we would have unnecessary catalog churn from anti-entropy. See issues // #3259, #3642, #3845, and #3866. func TestAgent_IndexChurn(t *testing.T) { t.Parallel() t.Run("no tags", func(t *testing.T) { verifyIndexChurn(t, nil) }) t.Run("with tags", func(t *testing.T) { verifyIndexChurn(t, []string{"foo", "bar"}) }) } // verifyIndexChurn registers some things and runs anti-entropy a bunch of times // in a row to make sure there are no index bumps. func verifyIndexChurn(t *testing.T, tags []string) { t.Helper() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() weights := &structs.Weights{ Passing: 1, Warning: 1, } // Ensure we have a leader before we start adding the services testrpc.WaitForLeader(t, a.RPC, "dc1") svc := &structs.NodeService{ ID: "redis", Service: "redis", Port: 8000, Tags: tags, Weights: weights, } if err := a.AddService(svc, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } chk := &structs.HealthCheck{ CheckID: "redis-check", Name: "Service-level check", ServiceID: "redis", Status: api.HealthCritical, } chkt := &structs.CheckType{ TTL: time.Hour, } if err := a.AddCheck(chk, chkt, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } chk = &structs.HealthCheck{ CheckID: "node-check", Name: "Node-level check", Status: api.HealthCritical, } chkt = &structs.CheckType{ TTL: time.Hour, } if err := a.AddCheck(chk, chkt, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } if err := a.sync.State.SyncFull(); err != nil { t.Fatalf("err: %v", err) } args := &structs.ServiceSpecificRequest{ Datacenter: "dc1", ServiceName: "redis", } var before structs.IndexedCheckServiceNodes // This sleep is so that the serfHealth check is added to the agent // A value of 375ms is sufficient enough time to ensure the serfHealth // check is added to an agent. 500ms so that we don't see flakiness ever. time.Sleep(500 * time.Millisecond) if err := a.RPC("Health.ServiceNodes", args, &before); err != nil { t.Fatalf("err: %v", err) } for _, name := range before.Nodes[0].Checks { a.logger.Debug("Registered node", "node", name.Name) } if got, want := len(before.Nodes), 1; got != want { t.Fatalf("got %d want %d", got, want) } if got, want := len(before.Nodes[0].Checks), 3; /* incl. serfHealth */ got != want { t.Fatalf("got %d want %d", got, want) } for i := 0; i < 10; i++ { a.logger.Info("Sync in progress", "iteration", i+1) if err := a.sync.State.SyncFull(); err != nil { t.Fatalf("err: %v", err) } } // If this test fails here this means that the Consul-X-Index // has changed for the RPC, which means that idempotent ops // are not working as intended. var after structs.IndexedCheckServiceNodes if err := a.RPC("Health.ServiceNodes", args, &after); err != nil { t.Fatalf("err: %v", err) } verify.Values(t, "", after, before) } func TestAgent_AddCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_script_checks = true `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping sChk := requireCheckExists(t, a, "mem") // Ensure our check is in the right state if sChk.Status != api.HealthCritical { t.Fatalf("check not critical") } // Ensure a TTL is setup requireCheckExistsMap(t, a.checkMonitors, "mem") } func TestAgent_AddCheck_StartPassing(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_script_checks = true `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthPassing, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping sChk := requireCheckExists(t, a, "mem") // Ensure our check is in the right state if sChk.Status != api.HealthPassing { t.Fatalf("check not passing") } // Ensure a TTL is setup requireCheckExistsMap(t, a.checkMonitors, "mem") } func TestAgent_AddCheck_MinInterval(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_script_checks = true `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: time.Microsecond, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping requireCheckExists(t, a, "mem") // Ensure a TTL is setup if mon, ok := a.checkMonitors[structs.NewCheckID("mem", nil)]; !ok { t.Fatalf("missing mem monitor") } else if mon.Interval != checks.MinInterval { t.Fatalf("bad mem monitor interval") } } func TestAgent_AddCheck_MissingService(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_script_checks = true `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "baz", Name: "baz check 1", ServiceID: "baz", } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: time.Microsecond, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err == nil || err.Error() != fmt.Sprintf("ServiceID %q does not exist", structs.ServiceIDString("baz", nil)) { t.Fatalf("expected service id error, got: %v", err) } } func TestAgent_AddCheck_RestoreState(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Create some state and persist it ttl := &checks.CheckTTL{ CheckID: structs.NewCheckID("baz", nil), TTL: time.Minute, } err := a.persistCheckState(ttl, api.HealthPassing, "yup") if err != nil { t.Fatalf("err: %s", err) } // Build and register the check definition and initial state health := &structs.HealthCheck{ Node: "foo", CheckID: "baz", Name: "baz check 1", } chk := &structs.CheckType{ TTL: time.Minute, } err = a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %s", err) } // Ensure the check status was restored during registration check := requireCheckExists(t, a, "baz") if check.Status != api.HealthPassing { t.Fatalf("bad: %#v", check) } if check.Output != "yup" { t.Fatalf("bad: %#v", check) } } func TestAgent_AddCheck_ExecDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("err: %v", err) } // Ensure we don't have a check mapping requireCheckMissing(t, a, "mem") err = a.AddCheck(health, chk, false, "", ConfigSourceRemote) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") { t.Fatalf("err: %v", err) } // Ensure we don't have a check mapping requireCheckMissing(t, a, "mem") } func TestAgent_AddCheck_ExecRemoteDisable(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_local_script_checks = true `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceRemote) if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent from remote calls") { t.Fatalf("err: %v", err) } // Ensure we don't have a check mapping requireCheckMissing(t, a, "mem") } func TestAgent_AddCheck_GRPC(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "grpchealth", Name: "grpc health checking protocol", Status: api.HealthCritical, } chk := &structs.CheckType{ GRPC: "localhost:12345/package.Service", Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping sChk := requireCheckExists(t, a, "grpchealth") // Ensure our check is in the right state if sChk.Status != api.HealthCritical { t.Fatalf("check not critical") } // Ensure a check is setup requireCheckExistsMap(t, a.checkGRPCs, "grpchealth") } func TestAgent_RestoreServiceWithAliasCheck(t *testing.T) { // t.Parallel() don't even think about making this parallel // This test is very contrived and tests for the absence of race conditions // related to the implementation of alias checks. As such it is slow, // serial, full of sleeps and retries, and not generally a great test to // run all of the time. // // That said it made it incredibly easy to root out various race conditions // quite successfully. // // The original set of races was between: // // - agent startup reloading Services and Checks from disk // - API requests to also re-register those same Services and Checks // - the goroutines for the as-yet-to-be-stopped CheckAlias goroutines if os.Getenv("SLOWTEST") != "1" { t.Skip("skipping slow test; set SLOWTEST=1 to run") return } // We do this so that the agent logs and the informational messages from // the test itself are interwoven properly. logf := func(t *testing.T, a *TestAgent, format string, args ...interface{}) { a.logger.Info("testharness: " + fmt.Sprintf(format, args...)) } dataDir := testutil.TempDir(t, "agent") // we manage the data dir cfg := ` server = false bootstrap = false enable_central_service_config = false data_dir = "` + dataDir + `" ` a := NewTestAgentWithFields(t, true, TestAgent{HCL: cfg, DataDir: dataDir}) defer os.RemoveAll(dataDir) defer a.Shutdown() testCtx, testCancel := context.WithCancel(context.Background()) defer testCancel() testHTTPServer, returnPort := launchHTTPCheckServer(t, testCtx) defer func() { testHTTPServer.Close() returnPort() }() registerServicesAndChecks := func(t *testing.T, a *TestAgent) { // add one persistent service with a simple check require.NoError(t, a.AddService( &structs.NodeService{ ID: "ping", Service: "ping", Port: 8000, }, []*structs.CheckType{ &structs.CheckType{ HTTP: testHTTPServer.URL, Method: "GET", Interval: 5 * time.Second, Timeout: 1 * time.Second, }, }, true, "", ConfigSourceLocal, )) // add one persistent sidecar service with an alias check in the manner // of how sidecar_service would add it require.NoError(t, a.AddService( &structs.NodeService{ ID: "ping-sidecar-proxy", Service: "ping-sidecar-proxy", Port: 9000, }, []*structs.CheckType{ &structs.CheckType{ Name: "Connect Sidecar Aliasing ping", AliasService: "ping", }, }, true, "", ConfigSourceLocal, )) } retryUntilCheckState := func(t *testing.T, a *TestAgent, checkID string, expectedStatus string) { t.Helper() retry.Run(t, func(r *retry.R) { chk := requireCheckExists(t, a, types.CheckID(checkID)) if chk.Status != expectedStatus { logf(t, a, "check=%q expected status %q but got %q", checkID, expectedStatus, chk.Status) r.Fatalf("check=%q expected status %q but got %q", checkID, expectedStatus, chk.Status) } logf(t, a, "check %q has reached desired status %q", checkID, expectedStatus) }) } registerServicesAndChecks(t, a) time.Sleep(1 * time.Second) retryUntilCheckState(t, a, "service:ping", api.HealthPassing) retryUntilCheckState(t, a, "service:ping-sidecar-proxy", api.HealthPassing) logf(t, a, "==== POWERING DOWN ORIGINAL ====") require.NoError(t, a.Shutdown()) time.Sleep(1 * time.Second) futureHCL := cfg + ` node_id = "` + string(a.Config.NodeID) + `" node_name = "` + a.Config.NodeName + `" ` restartOnce := func(idx int, t *testing.T) { t.Helper() // Reload and retain former NodeID and data directory. a2 := NewTestAgentWithFields(t, true, TestAgent{HCL: futureHCL, DataDir: dataDir}) defer a2.Shutdown() a = nil // reregister during standup; we use an adjustable timing to try and force a race sleepDur := time.Duration(idx+1) * 500 * time.Millisecond time.Sleep(sleepDur) logf(t, a2, "re-registering checks and services after a delay of %v", sleepDur) for i := 0; i < 20; i++ { // RACE RACE RACE! registerServicesAndChecks(t, a2) time.Sleep(50 * time.Millisecond) } time.Sleep(1 * time.Second) retryUntilCheckState(t, a2, "service:ping", api.HealthPassing) logf(t, a2, "giving the alias check a chance to notice...") time.Sleep(5 * time.Second) retryUntilCheckState(t, a2, "service:ping-sidecar-proxy", api.HealthPassing) } for i := 0; i < 20; i++ { name := "restart-" + strconv.Itoa(i) ok := t.Run(name, func(t *testing.T) { restartOnce(i, t) }) require.True(t, ok, name+" failed") } } func launchHTTPCheckServer(t *testing.T, ctx context.Context) (srv *httptest.Server, returnPortsFn func()) { ports := freeport.MustTake(1) port := ports[0] addr := net.JoinHostPort("127.0.0.1", strconv.Itoa(port)) var lc net.ListenConfig listener, err := lc.Listen(ctx, "tcp", addr) require.NoError(t, err) handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { w.WriteHeader(http.StatusOK) _, _ = w.Write([]byte("OK\n")) }) srv = &httptest.Server{ Listener: listener, Config: &http.Server{Handler: handler}, } srv.Start() return srv, func() { freeport.Return(ports) } } func TestAgent_AddCheck_Alias(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "aliashealth", Name: "Alias health check", Status: api.HealthCritical, } chk := &structs.CheckType{ AliasService: "foo", } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) require.NoError(err) // Ensure we have a check mapping sChk := requireCheckExists(t, a, "aliashealth") require.Equal(api.HealthCritical, sChk.Status) chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)] require.True(ok, "missing aliashealth check") require.Equal("", chkImpl.RPCReq.Token) cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil)) require.NotNil(cs) require.Equal("", cs.Token) } func TestAgent_AddCheck_Alias_setToken(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "aliashealth", Name: "Alias health check", Status: api.HealthCritical, } chk := &structs.CheckType{ AliasService: "foo", } err := a.AddCheck(health, chk, false, "foo", ConfigSourceLocal) require.NoError(err) cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil)) require.NotNil(cs) require.Equal("foo", cs.Token) chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)] require.True(ok, "missing aliashealth check") require.Equal("foo", chkImpl.RPCReq.Token) } func TestAgent_AddCheck_Alias_userToken(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), ` acl_token = "hello" `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "aliashealth", Name: "Alias health check", Status: api.HealthCritical, } chk := &structs.CheckType{ AliasService: "foo", } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) require.NoError(err) cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil)) require.NotNil(cs) require.Equal("", cs.Token) // State token should still be empty chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)] require.True(ok, "missing aliashealth check") require.Equal("hello", chkImpl.RPCReq.Token) // Check should use the token } func TestAgent_AddCheck_Alias_userAndSetToken(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), ` acl_token = "hello" `) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "aliashealth", Name: "Alias health check", Status: api.HealthCritical, } chk := &structs.CheckType{ AliasService: "foo", } err := a.AddCheck(health, chk, false, "goodbye", ConfigSourceLocal) require.NoError(err) cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil)) require.NotNil(cs) require.Equal("goodbye", cs.Token) chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)] require.True(ok, "missing aliashealth check") require.Equal("goodbye", chkImpl.RPCReq.Token) } func TestAgent_RemoveCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` enable_script_checks = true `) defer a.Shutdown() // Remove check that doesn't exist if err := a.RemoveCheck(structs.NewCheckID("mem", nil), false); err != nil { t.Fatalf("err: %v", err) } // Remove without an ID if err := a.RemoveCheck(structs.NewCheckID("", nil), false); err == nil { t.Fatalf("should have errored") } health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ ScriptArgs: []string{"exit", "0"}, Interval: 15 * time.Second, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } // Remove check if err := a.RemoveCheck(structs.NewCheckID("mem", nil), false); err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping requireCheckMissing(t, a, "mem") // Ensure a TTL is setup requireCheckMissingMap(t, a.checkMonitors, "mem") } func TestAgent_HTTPCheck_TLSSkipVerify(t *testing.T) { t.Parallel() handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { fmt.Fprintln(w, "GOOD") }) server := httptest.NewTLSServer(handler) defer server.Close() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "tls", Name: "tls check", Status: api.HealthCritical, } chk := &structs.CheckType{ HTTP: server.URL, Interval: 20 * time.Millisecond, TLSSkipVerify: true, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } retry.Run(t, func(r *retry.R) { status := getCheck(a, "tls") if status.Status != api.HealthPassing { r.Fatalf("bad: %v", status.Status) } if !strings.Contains(status.Output, "GOOD") { r.Fatalf("bad: %v", status.Output) } }) } func TestAgent_HTTPCheck_EnableAgentTLSForChecks(t *testing.T) { t.Parallel() run := func(t *testing.T, ca string) { a := NewTestAgentWithFields(t, true, TestAgent{ UseTLS: true, HCL: ` enable_agent_tls_for_checks = true verify_incoming = true server_name = "consul.test" key_file = "../test/client_certs/server.key" cert_file = "../test/client_certs/server.crt" ` + ca, }) defer a.Shutdown() health := &structs.HealthCheck{ Node: "foo", CheckID: "tls", Name: "tls check", Status: api.HealthCritical, } url := fmt.Sprintf("https://%s/v1/agent/self", a.srv.ln.Addr().String()) chk := &structs.CheckType{ HTTP: url, Interval: 20 * time.Millisecond, } err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } retry.Run(t, func(r *retry.R) { status := getCheck(a, "tls") if status.Status != api.HealthPassing { r.Fatalf("bad: %v", status.Status) } if !strings.Contains(status.Output, "200 OK") { r.Fatalf("bad: %v", status.Output) } }) } // We need to test both methods of passing the CA info to ensure that // we propagate all the fields correctly. All the other fields are // covered by the HCL in the test run function. tests := []struct { desc string config string }{ {"ca_file", `ca_file = "../test/client_certs/rootca.crt"`}, {"ca_path", `ca_path = "../test/client_certs/path"`}, } for _, tt := range tests { t.Run(tt.desc, func(t *testing.T) { run(t, tt.config) }) } } func TestAgent_updateTTLCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() checkBufSize := 100 health := &structs.HealthCheck{ Node: "foo", CheckID: "mem", Name: "memory util", Status: api.HealthCritical, } chk := &structs.CheckType{ TTL: 15 * time.Second, OutputMaxSize: checkBufSize, } // Add check and update it. err := a.AddCheck(health, chk, false, "", ConfigSourceLocal) if err != nil { t.Fatalf("err: %v", err) } if err := a.updateTTLCheck(structs.NewCheckID("mem", nil), api.HealthPassing, "foo"); err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping. status := getCheck(a, "mem") if status.Status != api.HealthPassing { t.Fatalf("bad: %v", status) } if status.Output != "foo" { t.Fatalf("bad: %v", status) } if err := a.updateTTLCheck(structs.NewCheckID("mem", nil), api.HealthCritical, strings.Repeat("--bad-- ", 5*checkBufSize)); err != nil { t.Fatalf("err: %v", err) } // Ensure we have a check mapping. status = getCheck(a, "mem") if status.Status != api.HealthCritical { t.Fatalf("bad: %v", status) } if len(status.Output) > checkBufSize*2 { t.Fatalf("bad: %v", len(status.Output)) } } func TestAgent_PersistService(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_PersistService(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_PersistService(t, "enable_central_service_config = true") }) } func testAgent_PersistService(t *testing.T, extraHCL string) { t.Helper() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) cfg := ` server = false bootstrap = false data_dir = "` + dataDir + `" ` + extraHCL a := NewTestAgentWithFields(t, true, TestAgent{HCL: cfg, DataDir: dataDir}) defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID)) // Check is not persisted unless requested if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } if _, err := os.Stat(file); err == nil { t.Fatalf("should not persist") } // Persists to file if requested if err := a.AddService(svc, nil, true, "mytoken", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } if _, err := os.Stat(file); err != nil { t.Fatalf("err: %s", err) } expected, err := json.Marshal(persistedService{ Token: "mytoken", Service: svc, Source: "local", }) if err != nil { t.Fatalf("err: %s", err) } content, err := ioutil.ReadFile(file) if err != nil { t.Fatalf("err: %s", err) } if !bytes.Equal(expected, content) { t.Fatalf("bad: %s", string(content)) } // Updates service definition on disk svc.Port = 8001 if err := a.AddService(svc, nil, true, "mytoken", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } expected, err = json.Marshal(persistedService{ Token: "mytoken", Service: svc, Source: "local", }) if err != nil { t.Fatalf("err: %s", err) } content, err = ioutil.ReadFile(file) if err != nil { t.Fatalf("err: %s", err) } if !bytes.Equal(expected, content) { t.Fatalf("bad: %s", string(content)) } a.Shutdown() // Should load it back during later start a2 := NewTestAgentWithFields(t, true, TestAgent{HCL: cfg, DataDir: dataDir}) defer a2.Shutdown() restored := a2.State.ServiceState(structs.NewServiceID(svc.ID, nil)) if restored == nil { t.Fatalf("service %q missing", svc.ID) } if got, want := restored.Token, "mytoken"; got != want { t.Fatalf("got token %q want %q", got, want) } if got, want := restored.Service.Port, 8001; got != want { t.Fatalf("got port %d want %d", got, want) } } func TestAgent_persistedService_compat(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_persistedService_compat(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_persistedService_compat(t, "enable_central_service_config = true") }) } func testAgent_persistedService_compat(t *testing.T, extraHCL string) { t.Helper() // Tests backwards compatibility of persisted services from pre-0.5.1 a := NewTestAgent(t, t.Name(), extraHCL) defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, TaggedAddresses: map[string]structs.ServiceAddress{}, Weights: &structs.Weights{Passing: 1, Warning: 1}, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), } // Encode the NodeService directly. This is what previous versions // would serialize to the file (without the wrapper) encoded, err := json.Marshal(svc) if err != nil { t.Fatalf("err: %s", err) } // Write the content to the file file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID)) if err := os.MkdirAll(filepath.Dir(file), 0700); err != nil { t.Fatalf("err: %s", err) } if err := ioutil.WriteFile(file, encoded, 0600); err != nil { t.Fatalf("err: %s", err) } // Load the services if err := a.loadServices(a.Config, nil); err != nil { t.Fatalf("err: %s", err) } // Ensure the service was restored result := requireServiceExists(t, a, "redis") require.Equal(t, svc, result) } func TestAgent_PurgeService(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_PurgeService(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_PurgeService(t, "enable_central_service_config = true") }) } func testAgent_PurgeService(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), extraHCL) defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID)) if err := a.AddService(svc, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Exists if _, err := os.Stat(file); err != nil { t.Fatalf("err: %s", err) } // Not removed if err := a.removeService(structs.NewServiceID(svc.ID, nil), false); err != nil { t.Fatalf("err: %s", err) } if _, err := os.Stat(file); err != nil { t.Fatalf("err: %s", err) } // Re-add the service if err := a.AddService(svc, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Removed if err := a.removeService(structs.NewServiceID(svc.ID, nil), true); err != nil { t.Fatalf("err: %s", err) } if _, err := os.Stat(file); !os.IsNotExist(err) { t.Fatalf("bad: %#v", err) } } func TestAgent_PurgeServiceOnDuplicate(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_PurgeServiceOnDuplicate(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_PurgeServiceOnDuplicate(t, "enable_central_service_config = true") }) } func testAgent_PurgeServiceOnDuplicate(t *testing.T, extraHCL string) { t.Helper() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) cfg := ` data_dir = "` + dataDir + `" server = false bootstrap = false ` + extraHCL a := NewTestAgentWithFields(t, true, TestAgent{HCL: cfg, DataDir: dataDir}) defer a.Shutdown() svc1 := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } // First persist the service require.NoError(t, a.AddService(svc1, nil, true, "", ConfigSourceLocal)) a.Shutdown() // Try bringing the agent back up with the service already // existing in the config a2 := NewTestAgentWithFields(t, true, TestAgent{Name: "Agent2", HCL: cfg + ` service = { id = "redis" name = "redis" tags = ["bar"] port = 9000 } `, DataDir: dataDir}) defer a2.Shutdown() sid := svc1.CompoundServiceID() file := filepath.Join(a.Config.DataDir, servicesDir, sid.StringHash()) _, err := os.Stat(file) require.Error(t, err, "should have removed persisted service") result := requireServiceExists(t, a, "redis") require.NotEqual(t, []string{"bar"}, result.Tags) require.NotEqual(t, 9000, result.Port) } func TestAgent_PersistCheck(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir cfg := ` data_dir = "` + dataDir + `" server = false bootstrap = false enable_script_checks = true ` a := NewTestAgentWithFields(t, true, TestAgent{HCL: cfg, DataDir: dataDir}) defer os.RemoveAll(dataDir) defer a.Shutdown() check := &structs.HealthCheck{ Node: a.config.NodeName, CheckID: "mem", Name: "memory check", Status: api.HealthPassing, } chkType := &structs.CheckType{ ScriptArgs: []string{"/bin/true"}, Interval: 10 * time.Second, } cid := check.CompoundCheckID() file := filepath.Join(a.Config.DataDir, checksDir, cid.StringHash()) // Not persisted if not requested require.NoError(t, a.AddCheck(check, chkType, false, "", ConfigSourceLocal)) _, err := os.Stat(file) require.Error(t, err, "should not persist") // Should persist if requested require.NoError(t, a.AddCheck(check, chkType, true, "mytoken", ConfigSourceLocal)) _, err = os.Stat(file) require.NoError(t, err) expected, err := json.Marshal(persistedCheck{ Check: check, ChkType: chkType, Token: "mytoken", Source: "local", }) require.NoError(t, err) content, err := ioutil.ReadFile(file) require.NoError(t, err) require.Equal(t, expected, content) // Updates the check definition on disk check.Name = "mem1" require.NoError(t, a.AddCheck(check, chkType, true, "mytoken", ConfigSourceLocal)) expected, err = json.Marshal(persistedCheck{ Check: check, ChkType: chkType, Token: "mytoken", Source: "local", }) require.NoError(t, err) content, err = ioutil.ReadFile(file) require.NoError(t, err) require.Equal(t, expected, content) a.Shutdown() // Should load it back during later start a2 := NewTestAgentWithFields(t, true, TestAgent{Name: "Agent2", HCL: cfg, DataDir: dataDir}) defer a2.Shutdown() result := requireCheckExists(t, a2, check.CheckID) require.Equal(t, api.HealthCritical, result.Status) require.Equal(t, "mem1", result.Name) // Should have restored the monitor requireCheckExistsMap(t, a2.checkMonitors, check.CheckID) chkState := a2.State.CheckState(structs.NewCheckID(check.CheckID, nil)) require.NotNil(t, chkState) require.Equal(t, "mytoken", chkState.Token) } func TestAgent_PurgeCheck(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() check := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "mem", Name: "memory check", Status: api.HealthPassing, } file := filepath.Join(a.Config.DataDir, checksDir, checkIDHash(check.CheckID)) if err := a.AddCheck(check, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Not removed if err := a.RemoveCheck(structs.NewCheckID(check.CheckID, nil), false); err != nil { t.Fatalf("err: %s", err) } if _, err := os.Stat(file); err != nil { t.Fatalf("err: %s", err) } // Removed if err := a.RemoveCheck(structs.NewCheckID(check.CheckID, nil), true); err != nil { t.Fatalf("err: %s", err) } if _, err := os.Stat(file); !os.IsNotExist(err) { t.Fatalf("bad: %#v", err) } } func TestAgent_PurgeCheckOnDuplicate(t *testing.T) { t.Parallel() nodeID := NodeID() dataDir := testutil.TempDir(t, "agent") a := NewTestAgentWithFields(t, true, TestAgent{ DataDir: dataDir, HCL: ` node_id = "` + nodeID + `" node_name = "Node ` + nodeID + `" data_dir = "` + dataDir + `" server = false bootstrap = false enable_script_checks = true `}) defer os.RemoveAll(dataDir) defer a.Shutdown() check1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "mem", Name: "memory check", Status: api.HealthPassing, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), } // First persist the check if err := a.AddCheck(check1, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } a.Shutdown() // Start again with the check registered in config a2 := NewTestAgentWithFields(t, true, TestAgent{ Name: "Agent2", DataDir: dataDir, HCL: ` node_id = "` + nodeID + `" node_name = "Node ` + nodeID + `" data_dir = "` + dataDir + `" server = false bootstrap = false enable_script_checks = true check = { id = "mem" name = "memory check" notes = "my cool notes" args = ["/bin/check-redis.py"] interval = "30s" } `}) defer a2.Shutdown() cid := check1.CompoundCheckID() file := filepath.Join(dataDir, checksDir, cid.StringHash()) if _, err := os.Stat(file); err == nil { t.Fatalf("should have removed persisted check") } result := requireCheckExists(t, a2, "mem") expected := &structs.HealthCheck{ Node: a2.Config.NodeName, CheckID: "mem", Name: "memory check", Status: api.HealthCritical, Notes: "my cool notes", EnterpriseMeta: *structs.DefaultEnterpriseMeta(), } require.Equal(t, expected, result) } func TestAgent_loadChecks_token(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` check = { id = "rabbitmq" name = "rabbitmq" token = "abc123" ttl = "10s" } `) defer a.Shutdown() requireCheckExists(t, a, "rabbitmq") require.Equal(t, "abc123", a.State.CheckToken(structs.NewCheckID("rabbitmq", nil))) } func TestAgent_unloadChecks(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // First register a service svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Register a check check1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "service:redis", Name: "redischeck", Status: api.HealthPassing, ServiceID: "redis", ServiceName: "redis", } if err := a.AddCheck(check1, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } requireCheckExists(t, a, check1.CheckID) // Unload all of the checks if err := a.unloadChecks(); err != nil { t.Fatalf("err: %s", err) } // Make sure it was unloaded requireCheckMissing(t, a, check1.CheckID) } func TestAgent_loadServices_token(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_loadServices_token(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_loadServices_token(t, "enable_central_service_config = true") }) } func testAgent_loadServices_token(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` service = { id = "rabbitmq" name = "rabbitmq" port = 5672 token = "abc123" } `+extraHCL) defer a.Shutdown() requireServiceExists(t, a, "rabbitmq") if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" { t.Fatalf("bad: %s", token) } } func TestAgent_loadServices_sidecar(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecar(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecar(t, "enable_central_service_config = true") }) } func testAgent_loadServices_sidecar(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` service = { id = "rabbitmq" name = "rabbitmq" port = 5672 token = "abc123" connect = { sidecar_service {} } } `+extraHCL) defer a.Shutdown() svc := requireServiceExists(t, a, "rabbitmq") if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" { t.Fatalf("bad: %s", token) } requireServiceExists(t, a, "rabbitmq-sidecar-proxy") if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq-sidecar-proxy", nil)); token != "abc123" { t.Fatalf("bad: %s", token) } // Sanity check rabbitmq service should NOT have sidecar info in state since // it's done it's job and should be a registration syntax sugar only. assert.Nil(t, svc.Connect.SidecarService) } func TestAgent_loadServices_sidecarSeparateToken(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarSeparateToken(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarSeparateToken(t, "enable_central_service_config = true") }) } func testAgent_loadServices_sidecarSeparateToken(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` service = { id = "rabbitmq" name = "rabbitmq" port = 5672 token = "abc123" connect = { sidecar_service { token = "789xyz" } } } `+extraHCL) defer a.Shutdown() requireServiceExists(t, a, "rabbitmq") if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" { t.Fatalf("bad: %s", token) } requireServiceExists(t, a, "rabbitmq-sidecar-proxy") if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq-sidecar-proxy", nil)); token != "789xyz" { t.Fatalf("bad: %s", token) } } func TestAgent_loadServices_sidecarInheritMeta(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarInheritMeta(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarInheritMeta(t, "enable_central_service_config = true") }) } func testAgent_loadServices_sidecarInheritMeta(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` service = { id = "rabbitmq" name = "rabbitmq" port = 5672 tags = ["a", "b"], meta = { environment = "prod" } connect = { sidecar_service { } } } `+extraHCL) defer a.Shutdown() svc := requireServiceExists(t, a, "rabbitmq") require.Len(t, svc.Tags, 2) require.Len(t, svc.Meta, 1) sidecar := requireServiceExists(t, a, "rabbitmq-sidecar-proxy") require.ElementsMatch(t, svc.Tags, sidecar.Tags) require.Len(t, sidecar.Meta, 1) meta, ok := sidecar.Meta["environment"] require.True(t, ok, "missing sidecar service meta") require.Equal(t, "prod", meta) } func TestAgent_loadServices_sidecarOverrideMeta(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarOverrideMeta(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_loadServices_sidecarOverrideMeta(t, "enable_central_service_config = true") }) } func testAgent_loadServices_sidecarOverrideMeta(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), ` service = { id = "rabbitmq" name = "rabbitmq" port = 5672 tags = ["a", "b"], meta = { environment = "prod" } connect = { sidecar_service { tags = ["foo"], meta = { environment = "qa" } } } } `+extraHCL) defer a.Shutdown() svc := requireServiceExists(t, a, "rabbitmq") require.Len(t, svc.Tags, 2) require.Len(t, svc.Meta, 1) sidecar := requireServiceExists(t, a, "rabbitmq-sidecar-proxy") require.Len(t, sidecar.Tags, 1) require.Equal(t, "foo", sidecar.Tags[0]) require.Len(t, sidecar.Meta, 1) meta, ok := sidecar.Meta["environment"] require.True(t, ok, "missing sidecar service meta") require.Equal(t, "qa", meta) } func TestAgent_unloadServices(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_unloadServices(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_unloadServices(t, "enable_central_service_config = true") }) } func testAgent_unloadServices(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), extraHCL) defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } // Register the service if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } requireServiceExists(t, a, svc.ID) // Unload all services if err := a.unloadServices(); err != nil { t.Fatalf("err: %s", err) } if len(a.State.Services(structs.WildcardEnterpriseMeta())) != 0 { t.Fatalf("should have unloaded services") } } func TestAgent_Service_MaintenanceMode(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } // Register the service if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } sid := structs.NewServiceID("redis", nil) // Enter maintenance mode for the service if err := a.EnableServiceMaintenance(sid, "broken", "mytoken"); err != nil { t.Fatalf("err: %s", err) } // Make sure the critical health check was added checkID := serviceMaintCheckID(sid) check := a.State.Check(checkID) if check == nil { t.Fatalf("should have registered critical maintenance check") } // Check that the token was used to register the check 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) } // Leave maintenance mode if err := a.DisableServiceMaintenance(sid); err != nil { t.Fatalf("err: %s", err) } // Ensure the check was deregistered if found := a.State.Check(checkID); found != nil { t.Fatalf("should have deregistered maintenance check") } // Enter service maintenance mode without providing a reason if err := a.EnableServiceMaintenance(sid, "", ""); err != nil { t.Fatalf("err: %s", err) } // Ensure the check was registered with the default notes check = a.State.Check(checkID) if check == nil { t.Fatalf("should have registered critical check") } if check.Notes != defaultServiceMaintReason { t.Fatalf("bad: %#v", check) } } func TestAgent_Service_Reap(t *testing.T) { // t.Parallel() // timing test. no parallel a := NewTestAgent(t, t.Name(), ` check_reap_interval = "50ms" check_deregister_interval_min = "0s" `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } chkTypes := []*structs.CheckType{ &structs.CheckType{ Status: api.HealthPassing, TTL: 25 * time.Millisecond, DeregisterCriticalServiceAfter: 200 * time.Millisecond, }, } // Register the service. if err := a.AddService(svc, chkTypes, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Make sure it's there and there's no critical check yet. requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks") // Wait for the check TTL to fail but before the check is reaped. time.Sleep(100 * time.Millisecond) requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(nil), 1, "should have 1 critical check") // Pass the TTL. if err := a.updateTTLCheck(structs.NewCheckID("service:redis", nil), api.HealthPassing, "foo"); err != nil { t.Fatalf("err: %v", err) } requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks") // Wait for the check TTL to fail again. time.Sleep(100 * time.Millisecond) requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1, "should have 1 critical check") // Wait for the reap. time.Sleep(400 * time.Millisecond) requireServiceMissing(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks") } func TestAgent_Service_NoReap(t *testing.T) { // t.Parallel() // timing test. no parallel a := NewTestAgent(t, t.Name(), ` check_reap_interval = "50ms" check_deregister_interval_min = "0s" `) defer a.Shutdown() svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } chkTypes := []*structs.CheckType{ &structs.CheckType{ Status: api.HealthPassing, TTL: 25 * time.Millisecond, }, } // Register the service. if err := a.AddService(svc, chkTypes, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Make sure it's there and there's no critical check yet. requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0) // Wait for the check TTL to fail. time.Sleep(200 * time.Millisecond) requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1) // Wait a while and make sure it doesn't reap. time.Sleep(200 * time.Millisecond) requireServiceExists(t, a, "redis") require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1) } func TestAgent_AddService_restoresSnapshot(t *testing.T) { t.Run("normal", func(t *testing.T) { t.Parallel() testAgent_AddService_restoresSnapshot(t, "") }) t.Run("service manager", func(t *testing.T) { t.Parallel() testAgent_AddService_restoresSnapshot(t, "enable_central_service_config = true") }) } func testAgent_AddService_restoresSnapshot(t *testing.T, extraHCL string) { t.Helper() a := NewTestAgent(t, t.Name(), extraHCL) defer a.Shutdown() // First register a service svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } require.NoError(t, a.AddService(svc, nil, false, "", ConfigSourceLocal)) // Register a check check1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "service:redis", Name: "redischeck", Status: api.HealthPassing, ServiceID: "redis", ServiceName: "redis", } require.NoError(t, a.AddCheck(check1, nil, false, "", ConfigSourceLocal)) // Re-registering the service preserves the state of the check chkTypes := []*structs.CheckType{&structs.CheckType{TTL: 30 * time.Second}} require.NoError(t, a.AddService(svc, chkTypes, false, "", ConfigSourceLocal)) check := requireCheckExists(t, a, "service:redis") require.Equal(t, api.HealthPassing, check.Status) } func TestAgent_AddCheck_restoresSnapshot(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // First register a service svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Register a check check1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "service:redis", Name: "redischeck", Status: api.HealthPassing, ServiceID: "redis", ServiceName: "redis", } if err := a.AddCheck(check1, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } // Re-registering the check preserves its state check1.Status = "" if err := a.AddCheck(check1, &structs.CheckType{TTL: 30 * time.Second}, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } check := requireCheckExists(t, a, "service:redis") if check.Status != api.HealthPassing { t.Fatalf("bad: %s", check.Status) } } func TestAgent_NodeMaintenanceMode(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Enter maintenance mode for the node a.EnableNodeMaintenance("broken", "mytoken") // Make sure the critical health check was added check := requireCheckExists(t, a, structs.NodeMaint) // Check that the token was used to register the check if token := a.State.CheckToken(structs.NodeMaintCheckID); 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) } // Leave maintenance mode a.DisableNodeMaintenance() // Ensure the check was deregistered requireCheckMissing(t, a, structs.NodeMaint) // Enter maintenance mode without passing a reason a.EnableNodeMaintenance("", "") // Make sure the check was registered with the default note check = requireCheckExists(t, a, structs.NodeMaint) if check.Notes != defaultNodeMaintReason { t.Fatalf("bad: %#v", check) } } func TestAgent_checkStateSnapshot(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // First register a service svc := &structs.NodeService{ ID: "redis", Service: "redis", Tags: []string{"foo"}, Port: 8000, } if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %v", err) } // Register a check check1 := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "service:redis", Name: "redischeck", Status: api.HealthPassing, ServiceID: "redis", ServiceName: "redis", } if err := a.AddCheck(check1, nil, true, "", ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } // Snapshot the state snap := a.snapshotCheckState() // Unload all of the checks if err := a.unloadChecks(); err != nil { t.Fatalf("err: %s", err) } // Reload the checks and restore the snapshot. if err := a.loadChecks(a.Config, snap); err != nil { t.Fatalf("err: %s", err) } // Search for the check out := requireCheckExists(t, a, check1.CheckID) // Make sure state was restored if out.Status != api.HealthPassing { t.Fatalf("should have restored check state") } } func TestAgent_loadChecks_checkFails(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Persist a health check with an invalid service ID check := &structs.HealthCheck{ Node: a.Config.NodeName, CheckID: "service:redis", Name: "redischeck", Status: api.HealthPassing, ServiceID: "nope", } if err := a.persistCheck(check, nil, ConfigSourceLocal); err != nil { t.Fatalf("err: %s", err) } // Check to make sure the check was persisted checkHash := checkIDHash(check.CheckID) checkPath := filepath.Join(a.Config.DataDir, checksDir, checkHash) if _, err := os.Stat(checkPath); err != nil { t.Fatalf("err: %s", err) } // Try loading the checks from the persisted files if err := a.loadChecks(a.Config, nil); err != nil { t.Fatalf("err: %s", err) } // Ensure the erroneous check was purged if _, err := os.Stat(checkPath); err == nil { t.Fatalf("should have purged check") } } func TestAgent_persistCheckState(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() cid := structs.NewCheckID("check1", nil) // Create the TTL check to persist check := &checks.CheckTTL{ CheckID: cid, TTL: 10 * time.Minute, } // Persist some check state for the check err := a.persistCheckState(check, api.HealthCritical, "nope") if err != nil { t.Fatalf("err: %s", err) } // Check the persisted file exists and has the content file := filepath.Join(a.Config.DataDir, checkStateDir, cid.StringHash()) buf, err := ioutil.ReadFile(file) if err != nil { t.Fatalf("err: %s", err) } // Decode the state var p persistedCheckState if err := json.Unmarshal(buf, &p); err != nil { t.Fatalf("err: %s", err) } // Check the fields if p.CheckID != cid.ID { t.Fatalf("bad: %#v", p) } if p.Output != "nope" { t.Fatalf("bad: %#v", p) } if p.Status != api.HealthCritical { t.Fatalf("bad: %#v", p) } // Check the expiration time was set if p.Expires < time.Now().Unix() { t.Fatalf("bad: %#v", p) } } func TestAgent_loadCheckState(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Create a check whose state will expire immediately check := &checks.CheckTTL{ CheckID: structs.NewCheckID("check1", nil), TTL: 0, } // Persist the check state err := a.persistCheckState(check, api.HealthPassing, "yup") if err != nil { t.Fatalf("err: %s", err) } // Try to load the state health := &structs.HealthCheck{ CheckID: "check1", Status: api.HealthCritical, } if err := a.loadCheckState(health); err != nil { t.Fatalf("err: %s", err) } // Should not have restored the status due to expiration if health.Status != api.HealthCritical { t.Fatalf("bad: %#v", health) } if health.Output != "" { t.Fatalf("bad: %#v", health) } // Should have purged the state file := filepath.Join(a.Config.DataDir, checksDir, stringHash("check1")) if _, err := os.Stat(file); !os.IsNotExist(err) { t.Fatalf("should have purged state") } // Set a TTL which will not expire before we check it check.TTL = time.Minute err = a.persistCheckState(check, api.HealthPassing, "yup") if err != nil { t.Fatalf("err: %s", err) } // Try to load if err := a.loadCheckState(health); err != nil { t.Fatalf("err: %s", err) } // Should have restored if health.Status != api.HealthPassing { t.Fatalf("bad: %#v", health) } if health.Output != "yup" { t.Fatalf("bad: %#v", health) } } func TestAgent_purgeCheckState(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() cid := structs.NewCheckID("check1", nil) // No error if the state does not exist if err := a.purgeCheckState(cid); err != nil { t.Fatalf("err: %s", err) } // Persist some state to the data dir check := &checks.CheckTTL{ CheckID: cid, TTL: time.Minute, } err := a.persistCheckState(check, api.HealthPassing, "yup") if err != nil { t.Fatalf("err: %s", err) } // Purge the check state if err := a.purgeCheckState(cid); err != nil { t.Fatalf("err: %s", err) } // Removed the file file := filepath.Join(a.Config.DataDir, checkStateDir, cid.StringHash()) if _, err := os.Stat(file); !os.IsNotExist(err) { t.Fatalf("should have removed file") } } func TestAgent_GetCoordinate(t *testing.T) { t.Parallel() check := func(server bool) { a := NewTestAgent(t, t.Name(), ` server = true `) defer a.Shutdown() // This doesn't verify the returned coordinate, but it makes // sure that the agent chooses the correct Serf instance, // depending on how it's configured as a client or a server. // If it chooses the wrong one, this will crash. if _, err := a.GetLANCoordinate(); err != nil { t.Fatalf("err: %s", err) } } check(true) check(false) } func TestAgent_reloadWatches(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Normal watch with http addr set, should succeed newConf := *a.config newConf.Watches = []map[string]interface{}{ { "type": "key", "key": "asdf", "args": []interface{}{"ls"}, }, } if err := a.reloadWatches(&newConf); err != nil { t.Fatalf("bad: %s", err) } // Should fail to reload with connect watches newConf.Watches = []map[string]interface{}{ { "type": "connect_roots", "key": "asdf", "args": []interface{}{"ls"}, }, } if err := a.reloadWatches(&newConf); err == nil || !strings.Contains(err.Error(), "not allowed in agent config") { t.Fatalf("bad: %s", err) } // Should still succeed with only HTTPS addresses newConf.HTTPSAddrs = newConf.HTTPAddrs newConf.HTTPAddrs = make([]net.Addr, 0) newConf.Watches = []map[string]interface{}{ { "type": "key", "key": "asdf", "args": []interface{}{"ls"}, }, } if err := a.reloadWatches(&newConf); err != nil { t.Fatalf("bad: %s", err) } // Should fail to reload with no http or https addrs newConf.HTTPSAddrs = make([]net.Addr, 0) newConf.Watches = []map[string]interface{}{ { "type": "key", "key": "asdf", "args": []interface{}{"ls"}, }, } if err := a.reloadWatches(&newConf); err == nil || !strings.Contains(err.Error(), "watch plans require an HTTP or HTTPS endpoint") { t.Fatalf("bad: %s", err) } } func TestAgent_reloadWatchesHTTPS(t *testing.T) { t.Parallel() a := TestAgent{UseTLS: true} if err := a.Start(t); err != nil { t.Fatal(err) } defer a.Shutdown() // Normal watch with http addr set, should succeed newConf := *a.config newConf.Watches = []map[string]interface{}{ { "type": "key", "key": "asdf", "args": []interface{}{"ls"}, }, } if err := a.reloadWatches(&newConf); err != nil { t.Fatalf("bad: %s", err) } } func TestAgent_loadTokens(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), ` acl = { enabled = true tokens = { agent = "alfa" agent_master = "bravo", default = "charlie" replication = "delta" } } `) defer a.Shutdown() require := require.New(t) tokensFullPath := filepath.Join(a.config.DataDir, tokensPath) t.Run("original-configuration", func(t *testing.T) { require.Equal("alfa", a.tokens.AgentToken()) require.Equal("bravo", a.tokens.AgentMasterToken()) require.Equal("charlie", a.tokens.UserToken()) require.Equal("delta", a.tokens.ReplicationToken()) }) t.Run("updated-configuration", func(t *testing.T) { cfg := &config.RuntimeConfig{ ACLToken: "echo", ACLAgentToken: "foxtrot", ACLAgentMasterToken: "golf", ACLReplicationToken: "hotel", } // ensures no error for missing persisted tokens file require.NoError(a.loadTokens(cfg)) require.Equal("echo", a.tokens.UserToken()) require.Equal("foxtrot", a.tokens.AgentToken()) require.Equal("golf", a.tokens.AgentMasterToken()) require.Equal("hotel", a.tokens.ReplicationToken()) }) t.Run("persisted-tokens", func(t *testing.T) { cfg := &config.RuntimeConfig{ ACLToken: "echo", ACLAgentToken: "foxtrot", ACLAgentMasterToken: "golf", ACLReplicationToken: "hotel", } tokens := `{ "agent" : "india", "agent_master" : "juliett", "default": "kilo", "replication" : "lima" }` require.NoError(ioutil.WriteFile(tokensFullPath, []byte(tokens), 0600)) require.NoError(a.loadTokens(cfg)) // no updates since token persistence is not enabled require.Equal("echo", a.tokens.UserToken()) require.Equal("foxtrot", a.tokens.AgentToken()) require.Equal("golf", a.tokens.AgentMasterToken()) require.Equal("hotel", a.tokens.ReplicationToken()) a.config.ACLEnableTokenPersistence = true require.NoError(a.loadTokens(cfg)) require.Equal("india", a.tokens.AgentToken()) require.Equal("juliett", a.tokens.AgentMasterToken()) require.Equal("kilo", a.tokens.UserToken()) require.Equal("lima", a.tokens.ReplicationToken()) }) t.Run("persisted-tokens-override", func(t *testing.T) { tokens := `{ "agent" : "mike", "agent_master" : "november", "default": "oscar", "replication" : "papa" }` cfg := &config.RuntimeConfig{ ACLToken: "quebec", ACLAgentToken: "romeo", ACLAgentMasterToken: "sierra", ACLReplicationToken: "tango", } require.NoError(ioutil.WriteFile(tokensFullPath, []byte(tokens), 0600)) require.NoError(a.loadTokens(cfg)) require.Equal("mike", a.tokens.AgentToken()) require.Equal("november", a.tokens.AgentMasterToken()) require.Equal("oscar", a.tokens.UserToken()) require.Equal("papa", a.tokens.ReplicationToken()) }) t.Run("partial-persisted", func(t *testing.T) { tokens := `{ "agent" : "uniform", "agent_master" : "victor" }` cfg := &config.RuntimeConfig{ ACLToken: "whiskey", ACLAgentToken: "xray", ACLAgentMasterToken: "yankee", ACLReplicationToken: "zulu", } require.NoError(ioutil.WriteFile(tokensFullPath, []byte(tokens), 0600)) require.NoError(a.loadTokens(cfg)) require.Equal("uniform", a.tokens.AgentToken()) require.Equal("victor", a.tokens.AgentMasterToken()) require.Equal("whiskey", a.tokens.UserToken()) require.Equal("zulu", a.tokens.ReplicationToken()) }) t.Run("persistence-error-not-json", func(t *testing.T) { cfg := &config.RuntimeConfig{ ACLToken: "one", ACLAgentToken: "two", ACLAgentMasterToken: "three", ACLReplicationToken: "four", } require.NoError(ioutil.WriteFile(tokensFullPath, []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, 0600)) err := a.loadTokens(cfg) require.Error(err) require.Equal("one", a.tokens.UserToken()) require.Equal("two", a.tokens.AgentToken()) require.Equal("three", a.tokens.AgentMasterToken()) require.Equal("four", a.tokens.ReplicationToken()) }) t.Run("persistence-error-wrong-top-level", func(t *testing.T) { cfg := &config.RuntimeConfig{ ACLToken: "alfa", ACLAgentToken: "bravo", ACLAgentMasterToken: "charlie", ACLReplicationToken: "foxtrot", } require.NoError(ioutil.WriteFile(tokensFullPath, []byte("[1,2,3]"), 0600)) err := a.loadTokens(cfg) require.Error(err) require.Equal("alfa", a.tokens.UserToken()) require.Equal("bravo", a.tokens.AgentToken()) require.Equal("charlie", a.tokens.AgentMasterToken()) require.Equal("foxtrot", a.tokens.ReplicationToken()) }) } func TestAgent_ReloadConfigOutgoingRPCConfig(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) hcl := ` data_dir = "` + dataDir + `" verify_outgoing = true ca_file = "../test/ca/root.cer" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" verify_server_hostname = false ` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() tlsConf := a.tlsConfigurator.OutgoingRPCConfig() require.True(t, tlsConf.InsecureSkipVerify) require.Len(t, tlsConf.ClientCAs.Subjects(), 1) require.Len(t, tlsConf.RootCAs.Subjects(), 1) hcl = ` data_dir = "` + dataDir + `" verify_outgoing = true ca_path = "../test/ca_path" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" verify_server_hostname = true ` c := TestConfig(testutil.Logger(t), config.Source{Name: t.Name(), Format: "hcl", Data: hcl}) require.NoError(t, a.ReloadConfig(c)) tlsConf = a.tlsConfigurator.OutgoingRPCConfig() require.False(t, tlsConf.InsecureSkipVerify) require.Len(t, tlsConf.RootCAs.Subjects(), 2) require.Len(t, tlsConf.ClientCAs.Subjects(), 2) } func TestAgent_ReloadConfigAndKeepChecksStatus(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) hcl := `data_dir = "` + dataDir + `" enable_local_script_checks=true services=[{ name="webserver1", check{id="check1", ttl="30s"} }]` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() require.NoError(t, a.updateTTLCheck(structs.NewCheckID("check1", nil), api.HealthPassing, "testing agent reload")) // Make sure check is passing before we reload. gotChecks := a.State.Checks(nil) require.Equal(t, 1, len(gotChecks), "Should have a check registered, but had %#v", gotChecks) for id, check := range gotChecks { require.Equal(t, "passing", check.Status, "check %q is wrong", id) } c := TestConfig(testutil.Logger(t), config.Source{Name: t.Name(), Format: "hcl", Data: hcl}) require.NoError(t, a.ReloadConfig(c)) // After reload, should be passing directly (no critical state) for id, check := range a.State.Checks(nil) { require.Equal(t, "passing", check.Status, "check %q is wrong", id) } } func TestAgent_ReloadConfigIncomingRPCConfig(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) hcl := ` data_dir = "` + dataDir + `" verify_outgoing = true ca_file = "../test/ca/root.cer" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" verify_server_hostname = false ` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() tlsConf := a.tlsConfigurator.IncomingRPCConfig() require.NotNil(t, tlsConf.GetConfigForClient) tlsConf, err := tlsConf.GetConfigForClient(nil) require.NoError(t, err) require.NotNil(t, tlsConf) require.True(t, tlsConf.InsecureSkipVerify) require.Len(t, tlsConf.ClientCAs.Subjects(), 1) require.Len(t, tlsConf.RootCAs.Subjects(), 1) hcl = ` data_dir = "` + dataDir + `" verify_outgoing = true ca_path = "../test/ca_path" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" verify_server_hostname = true ` c := TestConfig(testutil.Logger(t), config.Source{Name: t.Name(), Format: "hcl", Data: hcl}) require.NoError(t, a.ReloadConfig(c)) tlsConf, err = tlsConf.GetConfigForClient(nil) require.NoError(t, err) require.False(t, tlsConf.InsecureSkipVerify) require.Len(t, tlsConf.ClientCAs.Subjects(), 2) require.Len(t, tlsConf.RootCAs.Subjects(), 2) } func TestAgent_ReloadConfigTLSConfigFailure(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) hcl := ` data_dir = "` + dataDir + `" verify_outgoing = true ca_file = "../test/ca/root.cer" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" verify_server_hostname = false ` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() tlsConf := a.tlsConfigurator.IncomingRPCConfig() hcl = ` data_dir = "` + dataDir + `" verify_incoming = true ` c := TestConfig(testutil.Logger(t), config.Source{Name: t.Name(), Format: "hcl", Data: hcl}) require.Error(t, a.ReloadConfig(c)) tlsConf, err := tlsConf.GetConfigForClient(nil) require.NoError(t, err) require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth) require.Len(t, tlsConf.ClientCAs.Subjects(), 1) require.Len(t, tlsConf.RootCAs.Subjects(), 1) } func TestAgent_consulConfig_AutoEncryptAllowTLS(t *testing.T) { t.Parallel() dataDir := testutil.TempDir(t, "agent") // we manage the data dir defer os.RemoveAll(dataDir) hcl := ` data_dir = "` + dataDir + `" verify_incoming = true ca_file = "../test/ca/root.cer" cert_file = "../test/key/ourdomain.cer" key_file = "../test/key/ourdomain.key" auto_encrypt { allow_tls = true } ` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() require.True(t, a.consulConfig().AutoEncryptAllowTLS) } func TestAgent_consulConfig_RaftTrailingLogs(t *testing.T) { t.Parallel() hcl := ` raft_trailing_logs = 812345 ` a := NewTestAgent(t, t.Name(), hcl) defer a.Shutdown() require.Equal(t, uint64(812345), a.consulConfig().RaftConfig.TrailingLogs) } func TestAgent_grpcInjectAddr(t *testing.T) { tt := []struct { name string grpc string ip string port int want string }{ { name: "localhost web svc", grpc: "localhost:8080/web", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090/web", }, { name: "localhost no svc", grpc: "localhost:8080", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090", }, { name: "ipv4 web svc", grpc: "127.0.0.1:8080/web", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090/web", }, { name: "ipv4 no svc", grpc: "127.0.0.1:8080", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090", }, { name: "ipv6 no svc", grpc: "2001:db8:1f70::999:de8:7648:6e8:5000", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090", }, { name: "ipv6 web svc", grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/web", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090/web", }, { name: "zone ipv6 web svc", grpc: "::FFFF:C0A8:1%1:5000/web", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090/web", }, { name: "ipv6 literal web svc", grpc: "::FFFF:192.168.0.1:5000/web", ip: "192.168.0.0", port: 9090, want: "192.168.0.0:9090/web", }, { name: "ipv6 injected into ipv6 url", grpc: "2001:db8:1f70::999:de8:7648:6e8:5000", ip: "::FFFF:C0A8:1", port: 9090, want: "::FFFF:C0A8:1:9090", }, { name: "ipv6 injected into ipv6 url with svc", grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/web", ip: "::FFFF:C0A8:1", port: 9090, want: "::FFFF:C0A8:1:9090/web", }, { name: "ipv6 injected into ipv6 url with special", grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/service-$name:with@special:Chars", ip: "::FFFF:C0A8:1", port: 9090, want: "::FFFF:C0A8:1:9090/service-$name:with@special:Chars", }, } for _, tt := range tt { t.Run(tt.name, func(t *testing.T) { got := grpcInjectAddr(tt.grpc, tt.ip, tt.port) if got != tt.want { t.Errorf("httpInjectAddr() got = %v, want %v", got, tt.want) } }) } } func TestAgent_httpInjectAddr(t *testing.T) { tt := []struct { name string url string ip string port int want string }{ { name: "localhost health", url: "http://localhost:8080/health", ip: "192.168.0.0", port: 9090, want: "http://192.168.0.0:9090/health", }, { name: "https localhost health", url: "https://localhost:8080/health", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090/health", }, { name: "https ipv4 health", url: "https://127.0.0.1:8080/health", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090/health", }, { name: "https ipv4 without path", url: "https://127.0.0.1:8080", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090", }, { name: "https ipv6 health", url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000/health", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090/health", }, { name: "https ipv6 with zone", url: "https://[::FFFF:C0A8:1%1]:5000/health", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090/health", }, { name: "https ipv6 literal", url: "https://[::FFFF:192.168.0.1]:5000/health", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090/health", }, { name: "https ipv6 without path", url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000", ip: "192.168.0.0", port: 9090, want: "https://192.168.0.0:9090", }, { name: "ipv6 injected into ipv6 url", url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000", ip: "::FFFF:C0A8:1", port: 9090, want: "https://[::FFFF:C0A8:1]:9090", }, { name: "ipv6 with brackets injected into ipv6 url", url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000", ip: "[::FFFF:C0A8:1]", port: 9090, want: "https://[::FFFF:C0A8:1]:9090", }, { name: "short domain health", url: "http://i.co:8080/health", ip: "192.168.0.0", port: 9090, want: "http://192.168.0.0:9090/health", }, { name: "nested url in query", url: "http://my.corp.com:8080/health?from=http://google.com:8080", ip: "192.168.0.0", port: 9090, want: "http://192.168.0.0:9090/health?from=http://google.com:8080", }, } for _, tt := range tt { t.Run(tt.name, func(t *testing.T) { got := httpInjectAddr(tt.url, tt.ip, tt.port) if got != tt.want { t.Errorf("httpInjectAddr() got = %v, want %v", got, tt.want) } }) } } func TestDefaultIfEmpty(t *testing.T) { require.Equal(t, "", defaultIfEmpty("", "")) require.Equal(t, "foo", defaultIfEmpty("", "foo")) require.Equal(t, "bar", defaultIfEmpty("bar", "foo")) require.Equal(t, "bar", defaultIfEmpty("bar", "")) } func TestConfigSourceFromName(t *testing.T) { cases := []struct { in string expect configSource bad bool }{ {in: "local", expect: ConfigSourceLocal}, {in: "remote", expect: ConfigSourceRemote}, {in: "", expect: ConfigSourceLocal}, {in: "LOCAL", bad: true}, {in: "REMOTE", bad: true}, {in: "garbage", bad: true}, {in: " ", bad: true}, } for _, tc := range cases { tc := tc t.Run(tc.in, func(t *testing.T) { got, ok := ConfigSourceFromName(tc.in) if tc.bad { require.False(t, ok) require.Empty(t, got) } else { require.True(t, ok) require.Equal(t, tc.expect, got) } }) } } func TestAgent_RerouteExistingHTTPChecks(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a service without a ProxyAddr svc := &structs.NodeService{ ID: "web", Service: "web", Address: "localhost", Port: 8080, } chks := []*structs.CheckType{ { CheckID: "http", HTTP: "http://localhost:8080/mypath?query", Interval: 20 * time.Millisecond, TLSSkipVerify: true, }, { CheckID: "grpc", GRPC: "localhost:8080/myservice", Interval: 20 * time.Millisecond, TLSSkipVerify: true, }, } if err := a.AddService(svc, chks, false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add svc: %v", err) } // Register a proxy and expose HTTP checks // This should trigger setting ProxyHTTP and ProxyGRPC in the checks proxy := &structs.NodeService{ Kind: "connect-proxy", ID: "web-proxy", Service: "web-proxy", Address: "localhost", Port: 21500, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "web", DestinationServiceID: "web", LocalServiceAddress: "localhost", LocalServicePort: 8080, MeshGateway: structs.MeshGatewayConfig{}, Expose: structs.ExposeConfig{ Checks: true, }, }, } if err := a.AddService(proxy, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add svc: %v", err) } retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) got := chks[0].ProxyHTTP if got == "" { r.Fatal("proxyHTTP addr not set in check") } want := "http://localhost:21500/mypath?query" if got != want { r.Fatalf("unexpected proxy addr in check, want: %s, got: %s", want, got) } }) retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) // Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks got := chks[1].ProxyGRPC if got == "" { r.Fatal("ProxyGRPC addr not set in check") } // Node that this relies on listener ports auto-incrementing in a.listenerPortLocked want := "localhost:21501/myservice" if got != want { r.Fatalf("unexpected proxy addr in check, want: %s, got: %s", want, got) } }) // Re-register a proxy and disable exposing HTTP checks // This should trigger resetting ProxyHTTP and ProxyGRPC to empty strings proxy = &structs.NodeService{ Kind: "connect-proxy", ID: "web-proxy", Service: "web-proxy", Address: "localhost", Port: 21500, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "web", DestinationServiceID: "web", LocalServiceAddress: "localhost", LocalServicePort: 8080, MeshGateway: structs.MeshGatewayConfig{}, Expose: structs.ExposeConfig{ Checks: false, }, }, } if err := a.AddService(proxy, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add svc: %v", err) } retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) got := chks[0].ProxyHTTP if got != "" { r.Fatal("ProxyHTTP addr was not reset") } }) retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) // Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks got := chks[1].ProxyGRPC if got != "" { r.Fatal("ProxyGRPC addr was not reset") } }) } func TestAgent_RerouteNewHTTPChecks(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a service without a ProxyAddr svc := &structs.NodeService{ ID: "web", Service: "web", Address: "localhost", Port: 8080, } if err := a.AddService(svc, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add svc: %v", err) } // Register a proxy and expose HTTP checks proxy := &structs.NodeService{ Kind: "connect-proxy", ID: "web-proxy", Service: "web-proxy", Address: "localhost", Port: 21500, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "web", DestinationServiceID: "web", LocalServiceAddress: "localhost", LocalServicePort: 8080, MeshGateway: structs.MeshGatewayConfig{}, Expose: structs.ExposeConfig{ Checks: true, }, }, } if err := a.AddService(proxy, nil, false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add svc: %v", err) } checks := []*structs.HealthCheck{ { CheckID: "http", Name: "http", ServiceID: "web", Status: api.HealthCritical, }, { CheckID: "grpc", Name: "grpc", ServiceID: "web", Status: api.HealthCritical, }, } chkTypes := []*structs.CheckType{ { CheckID: "http", HTTP: "http://localhost:8080/mypath?query", Interval: 20 * time.Millisecond, TLSSkipVerify: true, }, { CheckID: "grpc", GRPC: "localhost:8080/myservice", Interval: 20 * time.Millisecond, TLSSkipVerify: true, }, } // ProxyGRPC and ProxyHTTP should be set when creating check // since proxy.expose.checks is enabled on the proxy if err := a.AddCheck(checks[0], chkTypes[0], false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add check: %v", err) } if err := a.AddCheck(checks[1], chkTypes[1], false, "", ConfigSourceLocal); err != nil { t.Fatalf("failed to add check: %v", err) } retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) got := chks[0].ProxyHTTP if got == "" { r.Fatal("ProxyHTTP addr not set in check") } want := "http://localhost:21500/mypath?query" if got != want { r.Fatalf("unexpected proxy addr in http check, want: %s, got: %s", want, got) } }) retry.Run(t, func(r *retry.R) { chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil)) // Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks got := chks[1].ProxyGRPC if got == "" { r.Fatal("ProxyGRPC addr not set in check") } want := "localhost:21501/myservice" if got != want { r.Fatalf("unexpected proxy addr in grpc check, want: %s, got: %s", want, got) } }) } func TestAgentCache_serviceInConfigFile_initialFetchErrors_Issue6521(t *testing.T) { t.Parallel() // Ensure that initial failures to fetch the discovery chain via the agent // cache using the notify API for a service with no config entries // correctly recovers when those RPCs resume working. The key here is that // the lack of config entries guarantees that the RPC will come back with a // synthetic index of 1. // // The bug in the Cache.notifyBlockingQuery used to incorrectly "fix" the // index for the next query from 0 to 1 for all queries, when it should // have not done so for queries that errored. a1 := NewTestAgent(t, t.Name()+"-a1", "") defer a1.Shutdown() testrpc.WaitForLeader(t, a1.RPC, "dc1") a2 := NewTestAgent(t, t.Name()+"-a2", ` server = false bootstrap = false services { name = "echo-client" port = 8080 connect { sidecar_service { proxy { upstreams { destination_name = "echo" local_bind_port = 9191 } } } } } services { name = "echo" port = 9090 connect { sidecar_service {} } } `) defer a2.Shutdown() // Starting a client agent disconnected from a server with services. ctx, cancel := context.WithCancel(context.Background()) defer cancel() ch := make(chan cache.UpdateEvent, 1) require.NoError(t, a2.cache.Notify(ctx, cachetype.CompiledDiscoveryChainName, &structs.DiscoveryChainRequest{ Datacenter: "dc1", Name: "echo", EvaluateInDatacenter: "dc1", EvaluateInNamespace: "default", }, "foo", ch)) { // The first event is an error because we are not joined yet. evt := <-ch require.Equal(t, "foo", evt.CorrelationID) require.Nil(t, evt.Result) require.Error(t, evt.Err) require.Equal(t, evt.Err, structs.ErrNoServers) } t.Logf("joining client to server") // Now connect to server _, err := a1.JoinLAN([]string{ fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN), }) require.NoError(t, err) t.Logf("joined client to server") deadlineCh := time.After(10 * time.Second) start := time.Now() LOOP: for { select { case evt := <-ch: // We may receive several notifications of an error until we get the // first successful reply. require.Equal(t, "foo", evt.CorrelationID) if evt.Err != nil { break LOOP } require.NoError(t, evt.Err) require.NotNil(t, evt.Result) t.Logf("took %s to get first success", time.Since(start)) case <-deadlineCh: t.Fatal("did not get notified successfully") } } } // This is a mirror of a similar test in agent/consul/server_test.go func TestAgent_JoinWAN_viaMeshGateway(t *testing.T) { t.Parallel() gwPort := freeport.MustTake(1) defer freeport.Return(gwPort) gwAddr := ipaddr.FormatAddressPort("127.0.0.1", gwPort[0]) // Due to some ordering, we'll have to manually configure these ports in // advance. secondaryRPCPorts := freeport.MustTake(2) defer freeport.Return(secondaryRPCPorts) a1 := NewTestAgent(t, t.Name()+"-bob", ` domain = "consul" node_name = "bob" datacenter = "dc1" primary_datacenter = "dc1" # tls ca_file = "../test/hostname/CertAuth.crt" cert_file = "../test/hostname/Bob.crt" key_file = "../test/hostname/Bob.key" verify_incoming = true verify_outgoing = true verify_server_hostname = true # wanfed connect { enabled = true enable_mesh_gateway_wan_federation = true } `) defer a1.Shutdown() testrpc.WaitForTestAgent(t, a1.RPC, "dc1") // We'll use the same gateway for all datacenters since it doesn't care. var ( rpcAddr1 = ipaddr.FormatAddressPort("127.0.0.1", a1.Config.ServerPort) rpcAddr2 = ipaddr.FormatAddressPort("127.0.0.1", secondaryRPCPorts[0]) rpcAddr3 = ipaddr.FormatAddressPort("127.0.0.1", secondaryRPCPorts[1]) ) var p tcpproxy.Proxy p.AddSNIRoute(gwAddr, "bob.server.dc1.consul", tcpproxy.To(rpcAddr1)) p.AddSNIRoute(gwAddr, "server.dc1.consul", tcpproxy.To(rpcAddr1)) p.AddSNIRoute(gwAddr, "betty.server.dc2.consul", tcpproxy.To(rpcAddr2)) p.AddSNIRoute(gwAddr, "server.dc2.consul", tcpproxy.To(rpcAddr2)) p.AddSNIRoute(gwAddr, "bonnie.server.dc3.consul", tcpproxy.To(rpcAddr3)) p.AddSNIRoute(gwAddr, "server.dc3.consul", tcpproxy.To(rpcAddr3)) p.AddStopACMESearch(gwAddr) require.NoError(t, p.Start()) defer func() { p.Close() p.Wait() }() t.Logf("routing %s => %s", "{bob.,}server.dc1.consul", rpcAddr1) t.Logf("routing %s => %s", "{betty.,}server.dc2.consul", rpcAddr2) t.Logf("routing %s => %s", "{bonnie.,}server.dc3.consul", rpcAddr3) // Register this into the agent in dc1. { args := &structs.ServiceDefinition{ Kind: structs.ServiceKindMeshGateway, ID: "mesh-gateway", Name: "mesh-gateway", Meta: map[string]string{structs.MetaWANFederationKey: "1"}, Port: gwPort[0], } req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) require.NoError(t, err) obj, err := a1.srv.AgentRegisterService(nil, req) require.NoError(t, err) require.Nil(t, obj) } waitForFederationState := func(t *testing.T, a *TestAgent, dc string) { retry.Run(t, func(r *retry.R) { req, err := http.NewRequest("GET", "/v1/internal/federation-state/"+dc, nil) require.NoError(r, err) resp := httptest.NewRecorder() obj, err := a.srv.FederationStateGet(resp, req) require.NoError(r, err) require.NotNil(r, obj) out, ok := obj.(structs.FederationStateResponse) require.True(r, ok) require.NotNil(r, out.State) require.Len(r, out.State.MeshGateways, 1) }) } // Wait until at least catalog AE and federation state AE fire. waitForFederationState(t, a1, "dc1") retry.Run(t, func(r *retry.R) { require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc1")) }) a2 := NewTestAgent(t, t.Name()+"-betty", ` domain = "consul" node_name = "betty" datacenter = "dc2" primary_datacenter = "dc1" # tls ca_file = "../test/hostname/CertAuth.crt" cert_file = "../test/hostname/Betty.crt" key_file = "../test/hostname/Betty.key" verify_incoming = true verify_outgoing = true verify_server_hostname = true ports { server = `+strconv.Itoa(secondaryRPCPorts[0])+` } # wanfed primary_gateways = ["`+gwAddr+`"] connect { enabled = true enable_mesh_gateway_wan_federation = true } `) defer a2.Shutdown() testrpc.WaitForTestAgent(t, a2.RPC, "dc2") a3 := NewTestAgent(t, t.Name()+"-bonnie", ` domain = "consul" node_name = "bonnie" datacenter = "dc3" primary_datacenter = "dc1" # tls ca_file = "../test/hostname/CertAuth.crt" cert_file = "../test/hostname/Bonnie.crt" key_file = "../test/hostname/Bonnie.key" verify_incoming = true verify_outgoing = true verify_server_hostname = true ports { server = `+strconv.Itoa(secondaryRPCPorts[1])+` } # wanfed primary_gateways = ["`+gwAddr+`"] connect { enabled = true enable_mesh_gateway_wan_federation = true } `) defer a3.Shutdown() testrpc.WaitForTestAgent(t, a3.RPC, "dc3") // The primary_gateways config setting should cause automatic mesh join. // Assert that the secondaries have joined the primary. findPrimary := func(r *retry.R, a *TestAgent) *serf.Member { var primary *serf.Member for _, m := range a.WANMembers() { if m.Tags["dc"] == "dc1" { require.Nil(r, primary, "already found one node in dc1") primary = &m } } require.NotNil(r, primary) return primary } retry.Run(t, func(r *retry.R) { p2, p3 := findPrimary(r, a2), findPrimary(r, a3) require.Equal(r, "bob.dc1", p2.Name) require.Equal(r, "bob.dc1", p3.Name) }) testrpc.WaitForLeader(t, a2.RPC, "dc2") testrpc.WaitForLeader(t, a3.RPC, "dc3") // Now we can register this into the catalog in dc2 and dc3. { args := &structs.ServiceDefinition{ Kind: structs.ServiceKindMeshGateway, ID: "mesh-gateway", Name: "mesh-gateway", Meta: map[string]string{structs.MetaWANFederationKey: "1"}, Port: gwPort[0], } req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) require.NoError(t, err) obj, err := a2.srv.AgentRegisterService(nil, req) require.NoError(t, err) require.Nil(t, obj) } { args := &structs.ServiceDefinition{ Kind: structs.ServiceKindMeshGateway, ID: "mesh-gateway", Name: "mesh-gateway", Meta: map[string]string{structs.MetaWANFederationKey: "1"}, Port: gwPort[0], } req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args)) require.NoError(t, err) obj, err := a3.srv.AgentRegisterService(nil, req) require.NoError(t, err) require.Nil(t, obj) } // Wait until federation state replication functions waitForFederationState(t, a1, "dc1") waitForFederationState(t, a1, "dc2") waitForFederationState(t, a1, "dc3") waitForFederationState(t, a2, "dc1") waitForFederationState(t, a2, "dc2") waitForFederationState(t, a2, "dc3") waitForFederationState(t, a3, "dc1") waitForFederationState(t, a3, "dc2") waitForFederationState(t, a3, "dc3") retry.Run(t, func(r *retry.R) { require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc1")) require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc2")) require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc3")) require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc1")) require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc2")) require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc3")) require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc1")) require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc2")) require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc3")) }) retry.Run(t, func(r *retry.R) { if got, want := len(a1.WANMembers()), 3; got != want { r.Fatalf("got %d WAN members want at least %d", got, want) } if got, want := len(a2.WANMembers()), 3; got != want { r.Fatalf("got %d WAN members want at least %d", got, want) } if got, want := len(a3.WANMembers()), 3; got != want { r.Fatalf("got %d WAN members want at least %d", got, want) } }) // Ensure we can do some trivial RPC in all directions. agents := map[string]*TestAgent{"dc1": a1, "dc2": a2, "dc3": a3} names := map[string]string{"dc1": "bob", "dc2": "betty", "dc3": "bonnie"} for _, srcDC := range []string{"dc1", "dc2", "dc3"} { a := agents[srcDC] for _, dstDC := range []string{"dc1", "dc2", "dc3"} { if srcDC == dstDC { continue } t.Run(srcDC+" to "+dstDC, func(t *testing.T) { req, err := http.NewRequest("GET", "/v1/catalog/nodes?dc="+dstDC, nil) require.NoError(t, err) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) require.NoError(t, err) require.NotNil(t, obj) nodes, ok := obj.(structs.Nodes) require.True(t, ok) require.Len(t, nodes, 1) node := nodes[0] require.Equal(t, dstDC, node.Datacenter) require.Equal(t, names[dstDC], node.Node) }) } } }