package agent import ( "fmt" "net/http" "net/http/httptest" "net/url" "testing" "time" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/sdk/testutil/retry" "github.com/hashicorp/consul/testrpc" "github.com/hashicorp/serf/coordinate" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestCatalogRegister_Service_InvalidAddress(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() for _, addr := range []string{"0.0.0.0", "::", "[::]"} { t.Run("addr "+addr, func(t *testing.T) { args := &structs.RegisterRequest{ Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "test", Address: addr, Port: 8080, }, } req, _ := http.NewRequest("PUT", "/v1/catalog/register", jsonReader(args)) _, err := a.srv.CatalogRegister(nil, req) if err == nil || err.Error() != "Invalid service address" { t.Fatalf("err: %v", err) } }) } } func TestCatalogDeregister(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Register node args := &structs.DeregisterRequest{Node: "foo"} req, _ := http.NewRequest("PUT", "/v1/catalog/deregister", jsonReader(args)) obj, err := a.srv.CatalogDeregister(nil, req) if err != nil { t.Fatalf("err: %v", err) } res := obj.(bool) if res != true { t.Fatalf("bad: %v", res) } } func TestCatalogDatacenters(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() retry.Run(t, func(r *retry.R) { req, _ := http.NewRequest("GET", "/v1/catalog/datacenters", nil) obj, err := a.srv.CatalogDatacenters(nil, req) if err != nil { r.Fatal(err) } dcs := obj.([]string) if got, want := len(dcs), 1; got != want { r.Fatalf("got %d data centers want %d", got, want) } }) } func TestCatalogNodes(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } // Verify an index is set assertIndex(t, resp) nodes := obj.(structs.Nodes) if len(nodes) != 2 { t.Fatalf("bad: %v ; nodes:=%v", obj, nodes) } } func TestCatalogNodes_MetaFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a node with a meta field args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", NodeMeta: map[string]string{ "somekey": "somevalue", }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/nodes?node-meta=somekey:somevalue", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } // Verify an index is set assertIndex(t, resp) // Verify we only get the node with the correct meta field back nodes := obj.(structs.Nodes) if len(nodes) != 1 { t.Fatalf("bad: %v", obj) } if v, ok := nodes[0].Meta["somekey"]; !ok || v != "somevalue" { t.Fatalf("bad: %v", nodes[0].Meta) } } func TestCatalogNodes_Filter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register a node with a meta field args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", NodeMeta: map[string]string{ "somekey": "somevalue", }, } var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", "/v1/catalog/nodes?filter="+url.QueryEscape("Meta.somekey == somevalue"), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) require.NoError(t, err) // Verify an index is set assertIndex(t, resp) // Verify we only get the node with the correct meta field back nodes := obj.(structs.Nodes) require.Len(t, nodes, 1) v, ok := nodes[0].Meta["somekey"] require.True(t, ok) require.Equal(t, v, "somevalue") } func TestCatalogNodes_WanTranslation(t *testing.T) { t.Parallel() a1 := NewTestAgent(t, t.Name(), ` datacenter = "dc1" translate_wan_addrs = true acl_datacenter = "" `) defer a1.Shutdown() testrpc.WaitForTestAgent(t, a1.RPC, "dc1") a2 := NewTestAgent(t, t.Name(), ` datacenter = "dc2" translate_wan_addrs = true acl_datacenter = "" `) defer a2.Shutdown() testrpc.WaitForTestAgent(t, a2.RPC, "dc2") // Wait for the WAN join. addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN) if _, err := a2.JoinWAN([]string{addr}); err != nil { t.Fatalf("err: %v", err) } testrpc.WaitForLeader(t, a1.RPC, "dc1") testrpc.WaitForLeader(t, a2.RPC, "dc2") retry.Run(t, func(r *retry.R) { if got, want := len(a1.WANMembers()), 2; got < want { r.Fatalf("got %d WAN members want at least %d", got, want) } }) // Register a node with DC2. { args := &structs.RegisterRequest{ Datacenter: "dc2", Node: "wan_translation_test", Address: "127.0.0.1", TaggedAddresses: map[string]string{ "wan": "127.0.0.2", }, Service: &structs.NodeService{ Service: "http_wan_translation_test", }, } var out struct{} if err := a2.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } } // Query nodes in DC2 from DC1. req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc2", nil) resp1 := httptest.NewRecorder() obj1, err1 := a1.srv.CatalogNodes(resp1, req) if err1 != nil { t.Fatalf("err: %v", err1) } assertIndex(t, resp1) // Expect that DC1 gives us a WAN address (since the node is in DC2). nodes1 := obj1.(structs.Nodes) if len(nodes1) != 2 { t.Fatalf("bad: %v, nodes:=%v", obj1, nodes1) } var address string for _, node := range nodes1 { if node.Node == "wan_translation_test" { address = node.Address } } if address != "127.0.0.2" { t.Fatalf("bad: %s", address) } // Query DC2 from DC2. resp2 := httptest.NewRecorder() obj2, err2 := a2.srv.CatalogNodes(resp2, req) if err2 != nil { t.Fatalf("err: %v", err2) } assertIndex(t, resp2) // Expect that DC2 gives us a private address (since the node is in DC2). nodes2 := obj2.(structs.Nodes) if len(nodes2) != 2 { t.Fatalf("bad: %v", obj2) } for _, node := range nodes2 { if node.Node == "wan_translation_test" { address = node.Address } } if address != "127.0.0.1" { t.Fatalf("bad: %s", address) } } func TestCatalogNodes_Blocking(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register node args := &structs.DCSpecificRequest{ Datacenter: "dc1", } var out structs.IndexedNodes if err := a.RPC("Catalog.ListNodes", *args, &out); err != nil { t.Fatalf("err: %v", err) } // t.Fatal must be called from the main go routine // of the test. Because of this we cannot call // t.Fatal from within the go routines and use // an error channel instead. errch := make(chan error, 2) go func() { testrpc.WaitForTestAgent(t, a.RPC, "dc1") start := time.Now() // register a service after the blocking call // in order to unblock it. time.AfterFunc(100*time.Millisecond, func() { args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", } var out struct{} errch <- a.RPC("Catalog.Register", args, &out) }) // now block req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/catalog/nodes?wait=3s&index=%d", out.Index+1), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) if err != nil { errch <- err } // Should block for a while if d := time.Since(start); d < 50*time.Millisecond { errch <- fmt.Errorf("too fast: %v", d) } if idx := getIndex(t, resp); idx <= out.Index { errch <- fmt.Errorf("bad: %v", idx) } nodes := obj.(structs.Nodes) if len(nodes) != 2 { errch <- fmt.Errorf("bad: %v", obj) } errch <- nil }() // wait for both go routines to return if err := <-errch; err != nil { t.Fatal(err) } if err := <-errch; err != nil { t.Fatal(err) } } func TestCatalogNodes_DistanceSort(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register nodes. args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } args = &structs.RegisterRequest{ Datacenter: "dc1", Node: "bar", Address: "127.0.0.2", } if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } // Nobody has coordinates set so this will still return them in the // order they are indexed. req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.Nodes) if len(nodes) != 3 { t.Fatalf("bad: %v", obj) } if nodes[0].Node != "bar" { t.Fatalf("bad: %v", nodes) } if nodes[1].Node != "foo" { t.Fatalf("bad: %v", nodes) } if nodes[2].Node != a.Config.NodeName { t.Fatalf("bad: %v", nodes) } // Send an update for the node and wait for it to get applied. arg := structs.CoordinateUpdateRequest{ Datacenter: "dc1", Node: "foo", Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()), } if err := a.RPC("Coordinate.Update", &arg, &out); err != nil { t.Fatalf("err: %v", err) } time.Sleep(300 * time.Millisecond) // Query again and now foo should have moved to the front of the line. req, _ = http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil) resp = httptest.NewRecorder() obj, err = a.srv.CatalogNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes = obj.(structs.Nodes) if len(nodes) != 3 { t.Fatalf("bad: %v", obj) } if nodes[0].Node != "foo" { t.Fatalf("bad: %v", nodes) } if nodes[1].Node != "bar" { t.Fatalf("bad: %v", nodes) } if nodes[2].Node != a.Config.NodeName { t.Fatalf("bad: %v", nodes) } } func TestCatalogServices(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/services?dc=dc1", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServices(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) services := obj.(structs.Services) if len(services) != 2 { t.Fatalf("bad: %v", obj) } } func TestCatalogServices_NodeMetaFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", NodeMeta: map[string]string{ "somekey": "somevalue", }, Service: &structs.NodeService{ Service: "api", }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/services?node-meta=somekey:somevalue", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServices(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) services := obj.(structs.Services) if len(services) != 1 { t.Fatalf("bad: %v", obj) } if _, ok := services[args.Service.Service]; !ok { t.Fatalf("bad: %v", services) } } func TestCatalogServiceNodes(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() assert := assert.New(t) require := require.New(t) // Make sure an empty list is returned, not a nil { req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) if nodes == nil || len(nodes) != 0 { t.Fatalf("bad: %v", obj) } } // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", Tags: []string{"a"}, }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) if len(nodes) != 1 { t.Fatalf("bad: %v", obj) } // Test caching { // List instances with cache enabled req, _ := http.NewRequest("GET", "/v1/catalog/service/api?cached", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) require.NoError(err) nodes := obj.(structs.ServiceNodes) assert.Len(nodes, 1) // Should be a cache miss assert.Equal("MISS", resp.Header().Get("X-Cache")) } { // List instances with cache enabled req, _ := http.NewRequest("GET", "/v1/catalog/service/api?cached", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) require.NoError(err) nodes := obj.(structs.ServiceNodes) assert.Len(nodes, 1) // Should be a cache HIT now! assert.Equal("HIT", resp.Header().Get("X-Cache")) assert.Equal("0", resp.Header().Get("Age")) } // Ensure background refresh works { // Register a new instance of the service args2 := args args2.Node = "bar" args2.Address = "127.0.0.2" require.NoError(a.RPC("Catalog.Register", args, &out)) retry.Run(t, func(r *retry.R) { // List it again req, _ := http.NewRequest("GET", "/v1/catalog/service/api?cached", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) r.Check(err) nodes := obj.(structs.ServiceNodes) if len(nodes) != 2 { r.Fatalf("Want 2 nodes") } // Should be a cache hit! The data should've updated in the cache // in the background so this should've been fetched directly from // the cache. if resp.Header().Get("X-Cache") != "HIT" { r.Fatalf("should be a cache hit") } }) } } func TestCatalogServiceNodes_NodeMetaFilter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() // Make sure an empty list is returned, not a nil { req, _ := http.NewRequest("GET", "/v1/catalog/service/api?node-meta=somekey:somevalue", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) if nodes == nil || len(nodes) != 0 { t.Fatalf("bad: %v", obj) } } // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", NodeMeta: map[string]string{ "somekey": "somevalue", }, Service: &structs.NodeService{ Service: "api", }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/service/api?node-meta=somekey:somevalue", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) if len(nodes) != 1 { t.Fatalf("bad: %v", obj) } } func TestCatalogServiceNodes_Filter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() queryPath := "/v1/catalog/service/api?filter=" + url.QueryEscape("ServiceMeta.somekey == somevalue") // Make sure an empty list is returned, not a nil { req, _ := http.NewRequest("GET", queryPath, nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) require.NoError(t, err) assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) require.Empty(t, nodes) } // Register node args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", Meta: map[string]string{ "somekey": "somevalue", }, }, } var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) // Register a second service for the node args = &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ ID: "api2", Service: "api", Meta: map[string]string{ "somekey": "notvalue", }, }, SkipNodeUpdate: true, } require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", queryPath, nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) require.NoError(t, err) assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) require.Len(t, nodes, 1) } func TestCatalogServiceNodes_WanTranslation(t *testing.T) { t.Parallel() a1 := NewTestAgent(t, t.Name(), ` datacenter = "dc1" translate_wan_addrs = true acl_datacenter = "" `) defer a1.Shutdown() a2 := NewTestAgent(t, t.Name(), ` datacenter = "dc2" translate_wan_addrs = true acl_datacenter = "" `) defer a2.Shutdown() // Wait for the WAN join. addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN) _, err := a2.srv.agent.JoinWAN([]string{addr}) require.NoError(t, err) retry.Run(t, func(r *retry.R) { require.Len(r, a1.WANMembers(), 2) }) // Register a node with DC2. { args := &structs.RegisterRequest{ Datacenter: "dc2", Node: "foo", Address: "127.0.0.1", TaggedAddresses: map[string]string{ "wan": "127.0.0.2", }, Service: &structs.NodeService{ Service: "http_wan_translation_test", Address: "127.0.0.1", Port: 8080, TaggedAddresses: map[string]structs.ServiceAddress{ "wan": structs.ServiceAddress{ Address: "1.2.3.4", Port: 80, }, }, }, } var out struct{} require.NoError(t, a2.RPC("Catalog.Register", args, &out)) } // Query for the node in DC2 from DC1. req, _ := http.NewRequest("GET", "/v1/catalog/service/http_wan_translation_test?dc=dc2", nil) resp1 := httptest.NewRecorder() obj1, err1 := a1.srv.CatalogServiceNodes(resp1, req) require.NoError(t, err1) require.NoError(t, checkIndex(resp1)) // Expect that DC1 gives us a WAN address (since the node is in DC2). nodes1, ok := obj1.(structs.ServiceNodes) require.True(t, ok, "obj1 is not a structs.ServiceNodes") require.Len(t, nodes1, 1) node1 := nodes1[0] require.Equal(t, node1.Address, "127.0.0.2") require.Equal(t, node1.ServiceAddress, "1.2.3.4") require.Equal(t, node1.ServicePort, 80) // Query DC2 from DC2. resp2 := httptest.NewRecorder() obj2, err2 := a2.srv.CatalogServiceNodes(resp2, req) require.NoError(t, err2) require.NoError(t, checkIndex(resp2)) // Expect that DC2 gives us a local address (since the node is in DC2). nodes2, ok := obj2.(structs.ServiceNodes) require.True(t, ok, "obj2 is not a structs.ServiceNodes") require.Len(t, nodes2, 1) node2 := nodes2[0] require.Equal(t, node2.Address, "127.0.0.1") require.Equal(t, node2.ServiceAddress, "127.0.0.1") require.Equal(t, node2.ServicePort, 8080) } func TestCatalogServiceNodes_DistanceSort(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register nodes. args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "bar", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", Tags: []string{"a"}, }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil) args = &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.2", Service: &structs.NodeService{ Service: "api", Tags: []string{"a"}, }, } if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } // Nobody has coordinates set so this will still return them in the // order they are indexed. req, _ = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) if len(nodes) != 2 { t.Fatalf("bad: %v", obj) } if nodes[0].Node != "bar" { t.Fatalf("bad: %v", nodes) } if nodes[1].Node != "foo" { t.Fatalf("bad: %v", nodes) } // Send an update for the node and wait for it to get applied. arg := structs.CoordinateUpdateRequest{ Datacenter: "dc1", Node: "foo", Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()), } if err := a.RPC("Coordinate.Update", &arg, &out); err != nil { t.Fatalf("err: %v", err) } time.Sleep(300 * time.Millisecond) // Query again and now foo should have moved to the front of the line. req, _ = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil) resp = httptest.NewRecorder() obj, err = a.srv.CatalogServiceNodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) nodes = obj.(structs.ServiceNodes) if len(nodes) != 2 { t.Fatalf("bad: %v", obj) } if nodes[0].Node != "foo" { t.Fatalf("bad: %v", nodes) } if nodes[1].Node != "bar" { t.Fatalf("bad: %v", nodes) } } // Test that connect proxies can be queried via /v1/catalog/service/:service // directly and that their results contain the proxy fields. func TestCatalogServiceNodes_ConnectProxy(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register args := structs.TestRegisterRequestProxy(t) var out struct{} assert.Nil(a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", fmt.Sprintf( "/v1/catalog/service/%s", args.Service.Service), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogServiceNodes(resp, req) assert.Nil(err) assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) assert.Len(nodes, 1) assert.Equal(structs.ServiceKindConnectProxy, nodes[0].ServiceKind) assert.Equal(args.Service.Proxy, nodes[0].ServiceProxy) } // Test that the Connect-compatible endpoints can be queried for a // service via /v1/catalog/connect/:service. func TestCatalogConnectServiceNodes_good(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register args := structs.TestRegisterRequestProxy(t) args.Service.Address = "127.0.0.55" var out struct{} assert.Nil(a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", fmt.Sprintf( "/v1/catalog/connect/%s", args.Service.Proxy.DestinationServiceName), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogConnectServiceNodes(resp, req) assert.Nil(err) assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) assert.Len(nodes, 1) assert.Equal(structs.ServiceKindConnectProxy, nodes[0].ServiceKind) assert.Equal(args.Service.Address, nodes[0].ServiceAddress) assert.Equal(args.Service.Proxy, nodes[0].ServiceProxy) } func TestCatalogConnectServiceNodes_Filter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Register args := structs.TestRegisterRequestProxy(t) args.Service.Address = "127.0.0.55" var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) args = structs.TestRegisterRequestProxy(t) args.Service.Address = "127.0.0.55" args.Service.Meta = map[string]string{ "version": "2", } args.Service.ID = "web-proxy2" args.SkipNodeUpdate = true require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", fmt.Sprintf( "/v1/catalog/connect/%s?filter=%s", args.Service.Proxy.DestinationServiceName, url.QueryEscape("ServiceMeta.version == 2")), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogConnectServiceNodes(resp, req) require.NoError(t, err) assertIndex(t, resp) nodes := obj.(structs.ServiceNodes) require.Len(t, nodes, 1) require.Equal(t, structs.ServiceKindConnectProxy, nodes[0].ServiceKind) require.Equal(t, args.Service.Address, nodes[0].ServiceAddress) require.Equal(t, args.Service.Proxy, nodes[0].ServiceProxy) } func TestCatalogNodeServices(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register node with a regular service and connect proxy args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", Tags: []string{"a"}, }, } var out struct{} if err := a.RPC("Catalog.Register", args, &out); err != nil { t.Fatalf("err: %v", err) } // Register a connect proxy args.Service = structs.TestNodeServiceProxy(t) require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc1", nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodeServices(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) services := obj.(*structs.NodeServices) if len(services.Services) != 2 { t.Fatalf("bad: %v", obj) } // Proxy service should have it's config intact require.Equal(t, args.Service.Proxy, services.Services["web-proxy"].Proxy) } func TestCatalogNodeServices_Filter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register node with a regular service and connect proxy args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Service: &structs.NodeService{ Service: "api", Tags: []string{"a"}, }, } var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) // Register a connect proxy args.Service = structs.TestNodeServiceProxy(t) require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc1&filter="+url.QueryEscape("Kind == `connect-proxy`"), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodeServices(resp, req) require.NoError(t, err) assertIndex(t, resp) services := obj.(*structs.NodeServices) require.Len(t, services.Services, 1) // Proxy service should have it's config intact require.Equal(t, args.Service.Proxy, services.Services["web-proxy"].Proxy) } // Test that the services on a node contain all the Connect proxies on // the node as well with their fields properly populated. func TestCatalogNodeServices_ConnectProxy(t *testing.T) { t.Parallel() assert := assert.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Register args := structs.TestRegisterRequestProxy(t) var out struct{} assert.Nil(a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", fmt.Sprintf( "/v1/catalog/node/%s", args.Node), nil) resp := httptest.NewRecorder() obj, err := a.srv.CatalogNodeServices(resp, req) assert.Nil(err) assertIndex(t, resp) ns := obj.(*structs.NodeServices) assert.Len(ns.Services, 1) v := ns.Services[args.Service.Service] assert.Equal(structs.ServiceKindConnectProxy, v.Kind) } func TestCatalogNodeServices_WanTranslation(t *testing.T) { t.Parallel() a1 := NewTestAgent(t, t.Name(), ` datacenter = "dc1" translate_wan_addrs = true acl_datacenter = "" `) defer a1.Shutdown() testrpc.WaitForTestAgent(t, a1.RPC, "dc1") a2 := NewTestAgent(t, t.Name(), ` datacenter = "dc2" translate_wan_addrs = true acl_datacenter = "" `) defer a2.Shutdown() testrpc.WaitForTestAgent(t, a2.RPC, "dc2") // Wait for the WAN join. addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN) _, err := a2.srv.agent.JoinWAN([]string{addr}) require.NoError(t, err) retry.Run(t, func(r *retry.R) { require.Len(r, a1.WANMembers(), 2) }) // Register a node with DC2. { args := &structs.RegisterRequest{ Datacenter: "dc2", Node: "foo", Address: "127.0.0.1", TaggedAddresses: map[string]string{ "wan": "127.0.0.2", }, Service: &structs.NodeService{ Service: "http_wan_translation_test", Address: "127.0.0.1", Port: 8080, TaggedAddresses: map[string]structs.ServiceAddress{ "wan": structs.ServiceAddress{ Address: "1.2.3.4", Port: 80, }, }, }, } var out struct{} require.NoError(t, a2.RPC("Catalog.Register", args, &out)) } // Query for the node in DC2 from DC1. req, _ := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc2", nil) resp1 := httptest.NewRecorder() obj1, err1 := a1.srv.CatalogNodeServices(resp1, req) require.NoError(t, err1) require.NoError(t, checkIndex(resp1)) // Expect that DC1 gives us a WAN address (since the node is in DC2). service1, ok := obj1.(*structs.NodeServices) require.True(t, ok, "obj1 is not a *structs.NodeServices") require.NotNil(t, service1.Node) require.Equal(t, service1.Node.Address, "127.0.0.2") require.Len(t, service1.Services, 1) ns1, ok := service1.Services["http_wan_translation_test"] require.True(t, ok, "Missing service http_wan_translation_test") require.Equal(t, "1.2.3.4", ns1.Address) require.Equal(t, 80, ns1.Port) // Query DC2 from DC2. resp2 := httptest.NewRecorder() obj2, err2 := a2.srv.CatalogNodeServices(resp2, req) require.NoError(t, err2) require.NoError(t, checkIndex(resp2)) // Expect that DC2 gives us a private address (since the node is in DC2). service2 := obj2.(*structs.NodeServices) require.True(t, ok, "obj2 is not a *structs.NodeServices") require.NotNil(t, service2.Node) require.Equal(t, service2.Node.Address, "127.0.0.1") require.Len(t, service2.Services, 1) ns2, ok := service2.Services["http_wan_translation_test"] require.True(t, ok, "Missing service http_wan_translation_test") require.Equal(t, ns2.Address, "127.0.0.1") require.Equal(t, ns2.Port, 8080) }