package agent import ( "bytes" "fmt" "io" "io/ioutil" "net/http" "net/http/httptest" "net/url" "os" "path/filepath" "testing" "github.com/hashicorp/consul/testrpc" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/sdk/testutil" cleanhttp "github.com/hashicorp/go-cleanhttp" "github.com/stretchr/testify/require" ) func TestUiIndex(t *testing.T) { t.Parallel() // Make a test dir to serve UI files uiDir := testutil.TempDir(t, "consul") defer os.RemoveAll(uiDir) // Make the server a := NewTestAgent(t, t.Name(), ` ui_dir = "`+uiDir+`" `) defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") // Create file path := filepath.Join(a.Config.UIDir, "my-file") if err := ioutil.WriteFile(path, []byte("test"), 777); err != nil { t.Fatalf("err: %v", err) } // Register node req, _ := http.NewRequest("GET", "/ui/my-file", nil) req.URL.Scheme = "http" req.URL.Host = a.srv.Addr // Make the request client := cleanhttp.DefaultClient() resp, err := client.Do(req) if err != nil { t.Fatalf("err: %v", err) } // Verify the response if resp.StatusCode != 200 { t.Fatalf("bad: %v", resp) } // Verify the body out := bytes.NewBuffer(nil) io.Copy(out, resp.Body) if out.String() != "test" { t.Fatalf("bad: %s", out.Bytes()) } } func TestUiNodes(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "test", 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/internal/ui/nodes/dc1", nil) resp := httptest.NewRecorder() obj, err := a.srv.UINodes(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) // Should be 2 nodes, and all the empty lists should be non-nil nodes := obj.(structs.NodeDump) if len(nodes) != 2 || nodes[0].Node != a.Config.NodeName || nodes[0].Services == nil || len(nodes[0].Services) != 1 || nodes[0].Checks == nil || len(nodes[0].Checks) != 1 || nodes[1].Node != "test" || nodes[1].Services == nil || len(nodes[1].Services) != 0 || nodes[1].Checks == nil || len(nodes[1].Checks) != 0 { t.Fatalf("bad: %v", obj) } } func TestUiNodes_Filter(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "test", Address: "127.0.0.1", NodeMeta: map[string]string{ "os": "linux", }, } var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) args = &structs.RegisterRequest{ Datacenter: "dc1", Node: "test2", Address: "127.0.0.1", NodeMeta: map[string]string{ "os": "macos", }, } require.NoError(t, a.RPC("Catalog.Register", args, &out)) req, _ := http.NewRequest("GET", "/v1/internal/ui/nodes/dc1?filter="+url.QueryEscape("Meta.os == linux"), nil) resp := httptest.NewRecorder() obj, err := a.srv.UINodes(resp, req) require.NoError(t, err) assertIndex(t, resp) // Should be 2 nodes, and all the empty lists should be non-nil nodes := obj.(structs.NodeDump) require.Len(t, nodes, 1) require.Equal(t, nodes[0].Node, "test") require.Empty(t, nodes[0].Services) require.Empty(t, nodes[0].Checks) } func TestUiNodeInfo(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForLeader(t, a.RPC, "dc1") req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/internal/ui/node/%s", a.Config.NodeName), nil) resp := httptest.NewRecorder() obj, err := a.srv.UINodeInfo(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) // Should be 1 node for the server node := obj.(*structs.NodeInfo) if node.Node != a.Config.NodeName { t.Fatalf("bad: %v", node) } args := &structs.RegisterRequest{ Datacenter: "dc1", Node: "test", 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/internal/ui/node/test", nil) resp = httptest.NewRecorder() obj, err = a.srv.UINodeInfo(resp, req) if err != nil { t.Fatalf("err: %v", err) } assertIndex(t, resp) // Should be non-nil empty lists for services and checks node = obj.(*structs.NodeInfo) if node.Node != "test" || node.Services == nil || len(node.Services) != 0 || node.Checks == nil || len(node.Checks) != 0 { t.Fatalf("bad: %v", node) } } func TestUiServices(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") requests := []*structs.RegisterRequest{ // register foo node &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", Address: "127.0.0.1", Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "foo", Name: "node check", Status: api.HealthPassing, }, }, }, //register api service on node foo &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", SkipNodeUpdate: true, Service: &structs.NodeService{ Kind: structs.ServiceKindTypical, Service: "api", Tags: []string{"tag1", "tag2"}, }, Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "foo", Name: "api svc check", ServiceName: "api", Status: api.HealthWarning, }, }, }, // register web svc on node foo &structs.RegisterRequest{ Datacenter: "dc1", Node: "foo", SkipNodeUpdate: true, Service: &structs.NodeService{ Kind: structs.ServiceKindConnectProxy, Service: "web", Tags: []string{}, Meta: map[string]string{metaExternalSource: "k8s"}, Port: 1234, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "api", }, }, Checks: structs.HealthChecks{ &structs.HealthCheck{ Node: "foo", Name: "web svc check", ServiceName: "web", Status: api.HealthPassing, }, }, }, // register bar node with service web &structs.RegisterRequest{ Datacenter: "dc1", Node: "bar", Address: "127.0.0.2", Service: &structs.NodeService{ Kind: structs.ServiceKindConnectProxy, Service: "web", Tags: []string{}, Meta: map[string]string{metaExternalSource: "k8s"}, Port: 1234, Proxy: structs.ConnectProxyConfig{ DestinationServiceName: "api", }, }, Checks: []*structs.HealthCheck{ &structs.HealthCheck{ Node: "bar", Name: "web svc check", Status: api.HealthCritical, ServiceName: "web", }, }, }, // register zip node with service cache &structs.RegisterRequest{ Datacenter: "dc1", Node: "zip", Address: "127.0.0.3", Service: &structs.NodeService{ Service: "cache", Tags: []string{}, }, }, } for _, args := range requests { var out struct{} require.NoError(t, a.RPC("Catalog.Register", args, &out)) } t.Run("No Filter", func(t *testing.T) { t.Parallel() req, _ := http.NewRequest("GET", "/v1/internal/ui/services/dc1", nil) resp := httptest.NewRecorder() obj, err := a.srv.UIServices(resp, req) require.NoError(t, err) assertIndex(t, resp) // Should be 2 nodes, and all the empty lists should be non-nil summary := obj.([]*ServiceSummary) require.Len(t, summary, 4) // internal accounting that users don't see can be blown away for _, sum := range summary { sum.externalSourceSet = nil sum.proxyForSet = nil } expected := []*ServiceSummary{ &ServiceSummary{ Kind: structs.ServiceKindTypical, Name: "api", Tags: []string{"tag1", "tag2"}, Nodes: []string{"foo"}, InstanceCount: 1, ChecksPassing: 2, ChecksWarning: 1, ChecksCritical: 0, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, &ServiceSummary{ Kind: structs.ServiceKindTypical, Name: "cache", Tags: nil, Nodes: []string{"zip"}, InstanceCount: 1, ChecksPassing: 0, ChecksWarning: 0, ChecksCritical: 0, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, &ServiceSummary{ Kind: structs.ServiceKindConnectProxy, Name: "web", Tags: nil, Nodes: []string{"bar", "foo"}, InstanceCount: 2, ProxyFor: []string{"api"}, ChecksPassing: 2, ChecksWarning: 1, ChecksCritical: 1, ExternalSources: []string{"k8s"}, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, &ServiceSummary{ Kind: structs.ServiceKindTypical, Name: "consul", Tags: nil, Nodes: []string{a.Config.NodeName}, InstanceCount: 1, ChecksPassing: 1, ChecksWarning: 0, ChecksCritical: 0, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, } require.ElementsMatch(t, expected, summary) }) t.Run("Filtered", func(t *testing.T) { filterQuery := url.QueryEscape("Service.Service == web or Service.Service == api") req, _ := http.NewRequest("GET", "/v1/internal/ui/services?filter="+filterQuery, nil) resp := httptest.NewRecorder() obj, err := a.srv.UIServices(resp, req) require.NoError(t, err) assertIndex(t, resp) // Should be 2 nodes, and all the empty lists should be non-nil summary := obj.([]*ServiceSummary) require.Len(t, summary, 2) // internal accounting that users don't see can be blown away for _, sum := range summary { sum.externalSourceSet = nil sum.proxyForSet = nil } expected := []*ServiceSummary{ &ServiceSummary{ Kind: structs.ServiceKindTypical, Name: "api", Tags: []string{"tag1", "tag2"}, Nodes: []string{"foo"}, InstanceCount: 1, ChecksPassing: 2, ChecksWarning: 1, ChecksCritical: 0, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, &ServiceSummary{ Kind: structs.ServiceKindConnectProxy, Name: "web", Tags: nil, Nodes: []string{"bar", "foo"}, InstanceCount: 2, ProxyFor: []string{"api"}, ChecksPassing: 2, ChecksWarning: 1, ChecksCritical: 1, ExternalSources: []string{"k8s"}, EnterpriseMeta: *structs.DefaultEnterpriseMeta(), }, } require.ElementsMatch(t, expected, summary) }) }