func tailConsole(cfg *config.Config) error {
if !cfg.Console.Tail {
return nil
}
client, err := docker.NewSystemClient()
if err != nil {
return err
}
console, ok := cfg.SystemContainers[config.CONSOLE_CONTAINER]
if !ok {
log.Error("Console not found")
return nil
}
c := docker.NewContainerFromService(config.DOCKER_SYSTEM_HOST, config.CONSOLE_CONTAINER, console)
if c.Err != nil {
return c.Err
}
log.Infof("Tailing console : %s", c.Name)
return client.Logs(dockerClient.LogsOptions{
Container: c.Name,
Stdout: true,
Stderr: true,
Follow: true,
OutputStream: os.Stdout,
ErrorStream: os.Stderr,
})
}
func osMetaDataGet(c *cli.Context) {
images, err := getImages()
if err != nil {
log.Fatal(err)
}
client, err := docker.NewSystemClient()
if err != nil {
log.Fatal(err)
}
for _, image := range images.Available {
_, err := client.InspectImage(image)
if err == dockerClient.ErrNoSuchImage {
fmt.Println(image, "remote")
} else {
fmt.Println(image, "local")
}
}
}
func loadImages(cfg *config.CloudConfig) error {
images, err := findImages(cfg)
if err != nil || len(images) == 0 {
return err
}
client, err := docker.NewSystemClient()
if err != nil {
return err
}
for _, image := range images {
if hasImage(image) {
continue
}
inputFileName := path.Join(config.IMAGES_PATH, image)
input, err := os.Open(inputFileName)
if err != nil {
return err
}
defer input.Close()
log.Infof("Loading images from %s", inputFileName)
err = client.LoadImage(dockerClient.LoadImageOptions{
InputStream: input,
})
log.Infof("Done loading images from %s", inputFileName)
if err != nil {
return err
}
}
return nil
}
func runDocker(name string) error {
if os.ExpandEnv("${IN_DOCKER}") == "true" {
return nil
}
client, err := docker.NewSystemClient()
if err != nil {
return err
}
cmd := []string{name}
if name == "" {
name = filepath.Base(os.Args[0])
cmd = os.Args
}
exiting, err := client.InspectContainer(name)
if exiting != nil {
err := client.RemoveContainer(dockerClient.RemoveContainerOptions{
ID: exiting.ID,
Force: true,
})
if err != nil {
return err
}
}
currentContainerId, err := getCurrentContainerId()
if err != nil {
return err
}
currentContainer, err := client.InspectContainer(currentContainerId)
if err != nil {
return err
}
powerContainer, err := client.CreateContainer(dockerClient.CreateContainerOptions{
Name: name,
Config: &dockerClient.Config{
Image: currentContainer.Config.Image,
Cmd: cmd,
Env: []string{
"IN_DOCKER=true",
},
},
HostConfig: &dockerClient.HostConfig{
PidMode: "host",
VolumesFrom: []string{
currentContainer.ID,
},
Privileged: true,
},
})
if err != nil {
return err
}
go func() {
client.AttachToContainer(dockerClient.AttachToContainerOptions{
Container: powerContainer.ID,
OutputStream: os.Stdout,
ErrorStream: os.Stderr,
Stderr: true,
Stdout: true,
})
}()
err = client.StartContainer(powerContainer.ID, powerContainer.HostConfig)
if err != nil {
return err
}
_, err = client.WaitContainer(powerContainer.ID)
if err != nil {
log.Fatal(err)
}
os.Exit(0)
return nil
}
func shutDownContainers() error {
var err error
shutDown := true
timeout := 2
for i, arg := range os.Args {
if arg == "-f" || arg == "--f" || arg == "--force" {
shutDown = false
}
if arg == "-t" || arg == "--t" || arg == "--timeout" {
if len(os.Args) > i+1 {
t, err := strconv.Atoi(os.Args[i+1])
if err != nil {
return err
}
timeout = t
} else {
log.Error("please specify a timeout")
}
}
}
if !shutDown {
return nil
}
client, err := docker.NewSystemClient()
if err != nil {
return err
}
opts := dockerClient.ListContainersOptions{
All: true,
Filters: map[string][]string{
"status": []string{"running"},
},
}
containers, err := client.ListContainers(opts)
if err != nil {
return err
}
currentContainerId, err := getCurrentContainerId()
if err != nil {
return err
}
var stopErrorStrings []string
for _, container := range containers {
if container.ID == currentContainerId {
continue
}
log.Infof("Stopping %s : %v", container.ID[:12], container.Names)
stopErr := client.StopContainer(container.ID, uint(timeout))
if stopErr != nil {
stopErrorStrings = append(stopErrorStrings, " ["+container.ID+"] "+stopErr.Error())
}
}
var waitErrorStrings []string
for _, container := range containers {
if container.ID == currentContainerId {
continue
}
_, waitErr := client.WaitContainer(container.ID)
if waitErr != nil {
waitErrorStrings = append(waitErrorStrings, " ["+container.ID+"] "+waitErr.Error())
}
}
if len(waitErrorStrings) != 0 || len(stopErrorStrings) != 0 {
return errors.New("error while stopping \n1. STOP Errors [" + strings.Join(stopErrorStrings, ",") + "] \n2. WAIT Errors [" + strings.Join(waitErrorStrings, ",") + "]")
}
return nil
}
