diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/domain/infra/tunnel/containers.go | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go index cc919561f..062b38a70 100644 --- a/pkg/domain/infra/tunnel/containers.go +++ b/pkg/domain/infra/tunnel/containers.go @@ -8,11 +8,13 @@ import ( "os" "strconv" "strings" + "sync" "time" "github.com/containers/common/pkg/config" "github.com/containers/image/v5/docker/reference" "github.com/containers/podman/v2/libpod/define" + "github.com/containers/podman/v2/libpod/events" "github.com/containers/podman/v2/pkg/api/handlers" "github.com/containers/podman/v2/pkg/bindings" "github.com/containers/podman/v2/pkg/bindings/containers" @@ -507,33 +509,90 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta for _, w := range con.Warnings { fmt.Fprintf(os.Stderr, "%s\n", w) } + report := entities.ContainerRunReport{Id: con.ID} - // Attach - if !opts.Detach { - err = startAndAttach(ic, con.ID, &opts.DetachKeys, opts.InputStream, opts.OutputStream, opts.ErrorStream) - if err == nil { - exitCode, err := containers.Wait(ic.ClientCxt, con.ID, nil) - if err == nil { - report.ExitCode = int(exitCode) - } + + if opts.Detach { + // Detach and return early + err := containers.Start(ic.ClientCxt, con.ID, nil) + if err != nil { + report.ExitCode = define.ExitCode(err) } - } else { - err = containers.Start(ic.ClientCxt, con.ID, nil) + return &report, err } - if err != nil { + + // Attach + if err := startAndAttach(ic, con.ID, &opts.DetachKeys, opts.InputStream, opts.OutputStream, opts.ErrorStream); err != nil { report.ExitCode = define.ExitCode(err) + if opts.Rm { + if rmErr := containers.Remove(ic.ClientCxt, con.ID, bindings.PFalse, bindings.PTrue); rmErr != nil { + logrus.Debugf("unable to remove container %s after failing to start and attach to it", con.ID) + } + } + return &report, err } + if opts.Rm { - if err := containers.Remove(ic.ClientCxt, con.ID, bindings.PFalse, bindings.PTrue); err != nil { - if errors.Cause(err) == define.ErrNoSuchCtr || - errors.Cause(err) == define.ErrCtrRemoved { - logrus.Warnf("Container %s does not exist: %v", con.ID, err) - } else { - logrus.Errorf("Error removing container %s: %v", con.ID, err) + // Defer the removal, so we can return early if needed and + // de-spaghetti the code. + defer func() { + if err := containers.Remove(ic.ClientCxt, con.ID, bindings.PFalse, bindings.PTrue); err != nil { + if errors.Cause(err) == define.ErrNoSuchCtr || + errors.Cause(err) == define.ErrCtrRemoved { + logrus.Warnf("Container %s does not exist: %v", con.ID, err) + } else { + logrus.Errorf("Error removing container %s: %v", con.ID, err) + } } + }() + } + + // Wait + exitCode, waitErr := containers.Wait(ic.ClientCxt, con.ID, nil) + if waitErr == nil { + report.ExitCode = int(exitCode) + return &report, nil + } + + // Determine why the wait failed. If the container doesn't exist, + // consult the events. + if !strings.Contains(waitErr.Error(), define.ErrNoSuchCtr.Error()) { + return &report, waitErr + } + + // Events + eventsChannel := make(chan *events.Event) + eventOptions := entities.EventsOptions{ + EventChan: eventsChannel, + Filter: []string{ + "type=container", + fmt.Sprintf("container=%s", con.ID), + fmt.Sprintf("event=%s", events.Exited), + }, + } + + var lastEvent *events.Event + var mutex sync.Mutex + mutex.Lock() + // Read the events. + go func() { + for e := range eventsChannel { + lastEvent = e } + mutex.Unlock() + }() + + eventsErr := ic.Events(ctx, eventOptions) + + // Wait for all events to be read + mutex.Lock() + if eventsErr != nil || lastEvent == nil { + logrus.Errorf("Cannot get exit code: %v", err) + report.ExitCode = define.ExecErrorCodeNotFound + return &report, nil // compat with local client } + report.ExitCode = lastEvent.ContainerExitCode return &report, err } |