func InitPostStart(dockerSocket string, id containers.Identifier) error { var ( u *user.User container *dc.Container err error d *docker.DockerClient ) if u, err = user.Lookup(id.LoginFor()); err == nil { if err := ssh.GenerateAuthorizedKeysFor(u, true, false); err != nil { log.Print(err.Error()) } } else { log.Print(err.Error()) } if d, err = docker.GetConnection(dockerSocket); err != nil { return err } if file, err := os.Open(id.NetworkLinksPathFor()); err == nil { defer file.Close() const ContainerInterval = time.Second / 3 const ContainerWait = time.Second * 12 for i := 0; i < int(ContainerWait/ContainerInterval); i++ { if container, err = d.GetContainer(id.ContainerFor(), true); err != nil { return err } if container.State.Running { break } else { log.Printf("Waiting for container to run.") time.Sleep(ContainerInterval) } } pid, err := d.ChildProcessForContainer(container) if err != nil { return err } if pid < 2 { return errors.New("support: child PID is not correct") } log.Printf("Updating network namespaces for %d", pid) if err := updateNamespaceNetworkLinks(pid, file); err != nil { return err } } return nil }
func InitPostStart(dockerSocket string, id containers.Identifier) error { var ( u *user.User container *dc.Container err error d *docker.DockerClient ) if u, err = user.Lookup(id.LoginFor()); err == nil { if err := ssh.GenerateAuthorizedKeysFor(u, true, false); err != nil { log.Print(err.Error()) } } else { log.Print(err.Error()) } if d, err = docker.GetConnection(dockerSocket); err != nil { return err } if file, err := os.Open(id.NetworkLinksPathFor()); err == nil { defer file.Close() const ContainerInterval = time.Second / 10 const ContainerWait = time.Second * 15 for i := 0; i < int(ContainerWait/ContainerInterval); i++ { if container, err = d.InspectContainer(id.ContainerFor()); err != nil { if err == docker.ErrNoSuchContainer { //log.Printf("Waiting for container to be available.") time.Sleep(ContainerInterval) continue } return err } if container.State.Running && container.State.Pid != 0 { break } else { //log.Printf("Waiting for container to report available.") time.Sleep(ContainerInterval) } } if container == nil { return fmt.Errorf("container %s was not visible through Docker before timeout", id.ContainerFor()) } pid, err := d.ChildProcessForContainer(container) if err != nil { return err } if pid <= 1 { return errors.New("child PID is not correct") } log.Printf("Updating network namespaces for %d", pid) if err := updateNamespaceNetworkLinks(pid, file); err != nil { return err } } return nil }