package logging import ( "bufio" "context" "os" "strings" "testing" "time" "github.com/docker/docker/api/types" "github.com/docker/docker/integration/internal/container" "github.com/docker/docker/internal/test/daemon" "gotest.tools/assert" "gotest.tools/skip" ) func TestContinueAfterPluginCrash(t *testing.T) { skip.If(t, testEnv.IsRemoteDaemon(), "test requires daemon on the same host") t.Parallel() d := daemon.New(t) d.StartWithBusybox(t, "--iptables=false", "--init") defer d.Stop(t) client := d.NewClientT(t) createPlugin(t, client, "test", "close_on_start", asLogDriver) ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) assert.Assert(t, client.PluginEnable(ctx, "test", types.PluginEnableOptions{Timeout: 30})) cancel() defer client.PluginRemove(context.Background(), "test", types.PluginRemoveOptions{Force: true}) ctx, cancel = context.WithTimeout(context.Background(), 60*time.Second) id := container.Run(t, ctx, client, container.WithAutoRemove, container.WithLogDriver("test"), container.WithCmd( "/bin/sh", "-c", "while true; do sleep 1; echo hello; done", ), ) cancel() defer client.ContainerRemove(context.Background(), id, types.ContainerRemoveOptions{Force: true}) // Attach to the container to make sure it's written a few times to stdout attach, err := client.ContainerAttach(context.Background(), id, types.ContainerAttachOptions{Stream: true, Stdout: true}) assert.Assert(t, err) chErr := make(chan error) go func() { defer close(chErr) rdr := bufio.NewReader(attach.Reader) for i := 0; i < 5; i++ { _, _, err := rdr.ReadLine() if err != nil { chErr <- err return } } }() select { case err := <-chErr: assert.Assert(t, err) case <-time.After(60 * time.Second): t.Fatal("timeout waiting for container i/o") } // check daemon logs for "broken pipe" // TODO(@cpuguy83): This is horribly hacky but is the only way to really test this case right now. // It would be nice if there was a way to know that a broken pipe has occurred without looking through the logs. log, err := os.Open(d.LogFileName()) assert.Assert(t, err) scanner := bufio.NewScanner(log) for scanner.Scan() { assert.Assert(t, !strings.Contains(scanner.Text(), "broken pipe")) } }