moby/daemon/export.go
Alexandr Morozov 8d056423f8 Separate events subsystem
* Events subsystem merged from `server/events.go` and
  `utils/jsonmessagepublisher.go` and moved to `events/events.go`
* Only public interface for this subsystem is engine jobs
* There is two new engine jobs - `log_event` and `subscribers_count`
* There is auxiliary function `container.LogEvent` for logging events for
  containers

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
[solomon@docker.com: resolve merge conflicts]
Signed-off-by: Solomon Hykes <solomon@docker.com>
2014-08-06 10:08:19 +00:00

30 lines
774 B
Go

package daemon
import (
"io"
"github.com/docker/docker/engine"
)
func (daemon *Daemon) ContainerExport(job *engine.Job) engine.Status {
if len(job.Args) != 1 {
return job.Errorf("Usage: %s container_id", job.Name)
}
name := job.Args[0]
if container := daemon.Get(name); container != nil {
data, err := container.Export()
if err != nil {
return job.Errorf("%s: %s", name, err)
}
defer data.Close()
// Stream the entire contents of the container (basically a volatile snapshot)
if _, err := io.Copy(job.Stdout, data); err != nil {
return job.Errorf("%s: %s", name, err)
}
// FIXME: factor job-specific LogEvent to engine.Job.Run()
container.LogEvent("export")
return engine.StatusOK
}
return job.Errorf("No such container: %s", name)
}