|
| 1 | +package coderd |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "context" |
| 6 | + "database/sql" |
| 7 | + "fmt" |
| 8 | + "io" |
| 9 | + "net/http" |
| 10 | + "net/http/httptest" |
| 11 | + "net/http/httputil" |
| 12 | + "net/url" |
| 13 | + "strings" |
| 14 | + "testing" |
| 15 | + |
| 16 | + "cdr.dev/slog" |
| 17 | + "cdr.dev/slog/sloggers/slogtest" |
| 18 | + "github.com/coder/coder/v2/coderd/database" |
| 19 | + "github.com/coder/coder/v2/coderd/database/dbmock" |
| 20 | + "github.com/coder/coder/v2/coderd/database/dbtime" |
| 21 | + "github.com/coder/coder/v2/coderd/httpmw" |
| 22 | + "github.com/coder/coder/v2/coderd/workspaceapps/appurl" |
| 23 | + "github.com/coder/coder/v2/codersdk" |
| 24 | + "github.com/coder/coder/v2/codersdk/workspacesdk" |
| 25 | + "github.com/coder/coder/v2/codersdk/workspacesdk/agentconnmock" |
| 26 | + "github.com/coder/coder/v2/codersdk/wsjson" |
| 27 | + "github.com/coder/coder/v2/tailnet" |
| 28 | + "github.com/coder/coder/v2/tailnet/tailnettest" |
| 29 | + "github.com/coder/coder/v2/testutil" |
| 30 | + "github.com/coder/websocket" |
| 31 | + "github.com/go-chi/chi/v5" |
| 32 | + "github.com/google/uuid" |
| 33 | + "github.com/stretchr/testify/require" |
| 34 | + "go.uber.org/mock/gomock" |
| 35 | +) |
| 36 | + |
| 37 | +type fakeAgentProvider struct { |
| 38 | + agentConn func(ctx context.Context, agentID uuid.UUID) (_ workspacesdk.AgentConn, release func(), _ error) |
| 39 | +} |
| 40 | + |
| 41 | +func (fakeAgentProvider) ReverseProxy(targetURL, dashboardURL *url.URL, agentID uuid.UUID, app appurl.ApplicationURL, wildcardHost string) *httputil.ReverseProxy { |
| 42 | + panic("unimplemented") |
| 43 | +} |
| 44 | + |
| 45 | +func (f fakeAgentProvider) AgentConn(ctx context.Context, agentID uuid.UUID) (_ workspacesdk.AgentConn, release func(), _ error) { |
| 46 | + if f.agentConn != nil { |
| 47 | + return f.agentConn(ctx, agentID) |
| 48 | + } |
| 49 | + |
| 50 | + panic("unimplemented") |
| 51 | +} |
| 52 | + |
| 53 | +func (fakeAgentProvider) ServeHTTPDebug(w http.ResponseWriter, r *http.Request) { |
| 54 | + panic("unimplemented") |
| 55 | +} |
| 56 | + |
| 57 | +func (fakeAgentProvider) Close() error { |
| 58 | + return nil |
| 59 | +} |
| 60 | + |
| 61 | +func TestWatchAgentContainers(t *testing.T) { |
| 62 | + t.Parallel() |
| 63 | + |
| 64 | + t.Run("WebSocketClosesProperly", func(t *testing.T) { |
| 65 | + t.Parallel() |
| 66 | + |
| 67 | + var ( |
| 68 | + ctx = testutil.Context(t, testutil.WaitShort) |
| 69 | + logger = slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug).Named("coderd") |
| 70 | + |
| 71 | + mCtrl = gomock.NewController(t) |
| 72 | + mDB = dbmock.NewMockStore(mCtrl) |
| 73 | + mCoordinator = tailnettest.NewMockCoordinator(mCtrl) |
| 74 | + mAgentConn = agentconnmock.NewMockAgentConn(mCtrl) |
| 75 | + |
| 76 | + fAgentProvider = fakeAgentProvider{ |
| 77 | + agentConn: func(ctx context.Context, agentID uuid.UUID) (_ workspacesdk.AgentConn, release func(), _ error) { |
| 78 | + return mAgentConn, func() {}, nil |
| 79 | + }, |
| 80 | + } |
| 81 | + |
| 82 | + workspaceID = uuid.New() |
| 83 | + agentID = uuid.New() |
| 84 | + resourceID = uuid.New() |
| 85 | + jobID = uuid.New() |
| 86 | + buildID = uuid.New() |
| 87 | + |
| 88 | + containersCh = make(chan codersdk.WorkspaceAgentListContainersResponse) |
| 89 | + |
| 90 | + r = chi.NewMux() |
| 91 | + |
| 92 | + api = API{ |
| 93 | + ctx: ctx, |
| 94 | + Options: &Options{ |
| 95 | + AgentInactiveDisconnectTimeout: testutil.WaitShort, |
| 96 | + Database: mDB, |
| 97 | + Logger: logger, |
| 98 | + DeploymentValues: &codersdk.DeploymentValues{}, |
| 99 | + TailnetCoordinator: tailnettest.NewFakeCoordinator(), |
| 100 | + }, |
| 101 | + } |
| 102 | + ) |
| 103 | + |
| 104 | + var tailnetCoordinator tailnet.Coordinator = mCoordinator |
| 105 | + api.TailnetCoordinator.Store(&tailnetCoordinator) |
| 106 | + api.agentProvider = fAgentProvider |
| 107 | + |
| 108 | + // Setup: Allow `ExtractWorkspaceAgentParams` to complete. |
| 109 | + mDB.EXPECT().GetWorkspaceAgentByID(gomock.Any(), agentID).Return(database.WorkspaceAgent{ |
| 110 | + ID: agentID, |
| 111 | + ResourceID: resourceID, |
| 112 | + LifecycleState: database.WorkspaceAgentLifecycleStateReady, |
| 113 | + FirstConnectedAt: sql.NullTime{Valid: true, Time: dbtime.Now()}, |
| 114 | + LastConnectedAt: sql.NullTime{Valid: true, Time: dbtime.Now()}, |
| 115 | + }, nil) |
| 116 | + mDB.EXPECT().GetWorkspaceResourceByID(gomock.Any(), resourceID).Return(database.WorkspaceResource{ |
| 117 | + ID: resourceID, |
| 118 | + JobID: jobID, |
| 119 | + }, nil) |
| 120 | + mDB.EXPECT().GetProvisionerJobByID(gomock.Any(), jobID).Return(database.ProvisionerJob{ |
| 121 | + ID: jobID, |
| 122 | + Type: database.ProvisionerJobTypeWorkspaceBuild, |
| 123 | + }, nil) |
| 124 | + mDB.EXPECT().GetWorkspaceBuildByJobID(gomock.Any(), jobID).Return(database.WorkspaceBuild{ |
| 125 | + WorkspaceID: workspaceID, |
| 126 | + ID: buildID, |
| 127 | + }, nil) |
| 128 | + |
| 129 | + // And: Allow `db2dsk.WorkspaceAgent` to complete. |
| 130 | + mCoordinator.EXPECT().Node(gomock.Any()).Return(nil) |
| 131 | + |
| 132 | + // And: Allow `WatchContainers` to be called. |
| 133 | + mAgentConn.EXPECT().WatchContainers(gomock.Any(), gomock.Any()). |
| 134 | + Return(containersCh, io.NopCloser(&bytes.Buffer{}), nil) |
| 135 | + |
| 136 | + // And: We mount the HTTP Handler |
| 137 | + r.With(httpmw.ExtractWorkspaceAgentParam(mDB)). |
| 138 | + Get("/workspaceagents/{workspaceagent}/containers/watch", api.watchWorkspaceAgentContainers) |
| 139 | + |
| 140 | + // Given: We create the HTTP server |
| 141 | + srv := httptest.NewServer(r) |
| 142 | + defer srv.Close() |
| 143 | + |
| 144 | + // And: Dial the WebSocket |
| 145 | + wsURL := strings.Replace(srv.URL, "http://", "ws://", 1) |
| 146 | + conn, _, err := websocket.Dial(ctx, fmt.Sprintf("%s/workspaceagents/%s/containers/watch", wsURL, agentID), nil) |
| 147 | + require.NoError(t, err) |
| 148 | + |
| 149 | + // And: Create a streaming decoder |
| 150 | + decoder := wsjson.NewDecoder[codersdk.WorkspaceAgentListContainersResponse](conn, websocket.MessageText, logger) |
| 151 | + defer decoder.Close() |
| 152 | + decodeCh := decoder.Chan() |
| 153 | + |
| 154 | + // When: We close the `containersCh` |
| 155 | + close(containersCh) |
| 156 | + |
| 157 | + // Then: We expect `decodeCh` to be closed. |
| 158 | + select { |
| 159 | + case <-ctx.Done(): |
| 160 | + t.Fail() |
| 161 | + |
| 162 | + case _, ok := <-decodeCh: |
| 163 | + require.False(t, ok, "channel is expected to be closed") |
| 164 | + } |
| 165 | + }) |
| 166 | +} |
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