diff --git a/daemon/monitor.go b/daemon/monitor.go index 2f47497f44bdb..c29474288414f 100644 --- a/daemon/monitor.go +++ b/daemon/monitor.go @@ -2,8 +2,6 @@ package daemon // import "github.com/docker/docker/daemon" import ( "context" - "errors" - "fmt" "runtime" "strconv" "time" @@ -12,6 +10,7 @@ import ( "github.com/docker/docker/container" libcontainerdtypes "github.com/docker/docker/libcontainerd/types" "github.com/docker/docker/restartmanager" + "github.com/pkg/errors" "github.com/sirupsen/logrus" ) @@ -29,8 +28,8 @@ func (daemon *Daemon) setStateCounter(c *container.Container) { // ProcessEvent is called by libcontainerd whenever an event occurs func (daemon *Daemon) ProcessEvent(id string, e libcontainerdtypes.EventType, ei libcontainerdtypes.EventInfo) error { c, err := daemon.GetContainer(id) - if c == nil || err != nil { - return fmt.Errorf("no such container: %s", id) + if err != nil { + return errors.Wrapf(err, "could not find container %s", id) } switch e {