func commitContainer(ctx *cobra.Command, args []string) {
if len(args) < 2 {
ErrorExit(ctx, "Needs two arguments to commit <CONTAINER-NAME|ID> to <IMAGE-NAME[:TAG]>")
}
reg, name, tag, err := client.ParseRepositoryName(args[1])
if err != nil {
log.Fatal(err)
}
if reg != "" {
name = reg + "/" + name
}
docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
if err != nil {
log.Fatal(err)
}
if _, err := docker.CommitContainer(args[0], name, tag, message, author, boolPause); err != nil {
log.Fatal(err)
}
ctx.Printf("Committed %s as %s:%s\n", args[0], name, tag)
}
func pullImageInSilence(ctx *cobra.Command, name string) error {
r, n, t, err := client.ParseRepositoryName(name)
if err != nil {
return err
}
name = n + ":" + t
if r != "" {
name = r + "/" + name
}
f, err := os.Open(os.DevNull)
if err != nil {
return err
}
docker, err := client.NewDockerClient(configPath, hostName, f)
if err != nil {
return err
}
if _, err := docker.PullImage(name); err != nil {
return err
}
return nil
}
func tagImage(ctx *cobra.Command, args []string) {
if len(args) < 2 {
ErrorExit(ctx, "Needs two arguments <NAME[:TAG]|ID> <NEW-NAME[:TAG]>")
}
reg, name, tag, err := client.ParseRepositoryName(args[1])
if err != nil {
log.Fatal(err)
}
if reg != "" {
name = reg + "/" + name
}
docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
if err != nil {
log.Fatal(err)
}
if err := docker.TagImage(args[0], name, tag, boolForce); err != nil {
log.Fatal(err)
}
ctx.Printf("Tagged %s as %s:%s\n", args[0], name, tag)
}
func pullImage(ctx *cobra.Command, args []string) {
if len(args) < 1 {
ErrorExit(ctx, "Needs an argument <NAME[:TAG]> to pull")
}
reg, name, tag, err := client.ParseRepositoryName(args[0])
if err != nil {
log.Fatal(err)
}
repository := name + ":" + tag
if boolAll {
repository = name
}
if reg != "" {
repository = reg + "/" + repository
}
docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
if err != nil {
log.Fatal(err)
}
if _, err := docker.PullImage(repository); err != nil {
log.Fatal(err)
}
}
func pushImage(ctx *cobra.Command, args []string) {
if len(args) < 1 {
ErrorExit(ctx, "Needs an argument <NAME[:TAG]> to push")
}
reg, name, tag, err := client.ParseRepositoryName(args[0])
if err != nil {
log.Fatal(err)
}
if len(strings.SplitN(name, "/", 2)) == 1 {
log.Fatalf("You cannot push a \"root\" repository. Please rename your repository in <yourname>/%s", name)
}
if reg != "" {
name = reg + "/" + name
}
config, err := client.LoadConfig(configPath)
if err != nil {
log.Fatal(err)
}
if reg == "" {
reg = client.INDEX_SERVER
}
registry, err := config.GetRegistry(reg)
if (err != nil) || (registry.Credentials == "") {
log.Fatal("Please login prior to pushing an image.")
}
docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
if err != nil {
log.Fatal(err)
}
if _, err := docker.PushImage(name, tag, registry.Credentials); err != nil {
log.Fatal(err)
}
}
func composeContainer(ctx *cobra.Command, root string, composer Composer) (string, error) {
var (
config api.Config
hostConfig api.HostConfig
localVolumes = make(map[string]struct{})
bindVolumes []string
exposedPorts = make(map[string]struct{})
portBindings = make(map[string][]api.PortBinding)
links []string
deviceMappings []api.DeviceMapping
)
if composer.Image != "" {
r, n, t, err := client.ParseRepositoryName(composer.Image)
if err != nil {
return "", err
}
composer.Image = n + ":" + t
if r != "" {
composer.Image = r + "/" + composer.Image
}
}
if (composer.WorkingDir != "") && !filepath.IsAbs(composer.WorkingDir) {
return "", fmt.Errorf("Invalid working directory: it must be absolute.")
}
docker, err := client.NewDockerClient(configPath, hostName, ctx.Out())
if err != nil {
return "", err
}
if composer.Build != "" {
if !filepath.IsAbs(composer.Build) {
composer.Build = filepath.Join(root, composer.Build)
}
message, err := docker.BuildImage(composer.Build, composer.Image, false)
if err != nil {
return "", err
}
if composer.Image == "" {
if _, err := fmt.Sscanf(message, "Successfully built %s", &composer.Image); err != nil {
return "", err
}
}
}
for _, port := range composer.Ports {
var (
rawPort = port
hostIp = ""
hostPort = ""
containerPort = ""
proto = "tcp"
)
if i := strings.LastIndex(port, "/"); i != -1 {
proto = strings.ToLower(port[i+1:])
port = port[:i]
}
parts := strings.Split(port, ":")
switch len(parts) {
case 1:
containerPort = parts[0]
case 2:
hostPort = parts[0]
containerPort = parts[1]
case 3:
hostIp = parts[0]
hostPort = parts[1]
containerPort = parts[2]
default:
return "", fmt.Errorf("Invalid port specification: %s", rawPort)
}
port := fmt.Sprintf("%s/%s", containerPort, proto)
if _, exists := exposedPorts[port]; !exists {
exposedPorts[port] = struct{}{}
}
portBinding := api.PortBinding{
HostIp: hostIp,
HostPort: hostPort,
}
bslice, exists := portBindings[port]
if !exists {
bslice = []api.PortBinding{}
}
portBindings[port] = append(bslice, portBinding)
}
for _, port := range composer.ExposedPorts {
var (
rawPort = port
containerPort = ""
proto = "tcp"
)
parts := strings.Split(containerPort, "/")
switch len(parts) {
case 1:
containerPort = parts[0]
case 2:
containerPort = parts[0]
proto = strings.ToLower(parts[1])
default:
return "", fmt.Errorf("Invalid port specification: %s", rawPort)
}
port := fmt.Sprintf("%s/%s", containerPort, proto)
if _, exists := exposedPorts[port]; !exists {
exposedPorts[port] = struct{}{}
}
}
for _, volume := range composer.Volumes {
if arr := strings.Split(volume, ":"); len(arr) > 1 {
if arr[1] == "/" {
return "", fmt.Errorf("Invalid bind mount: destination can't be '/'")
}
if !filepath.IsAbs(arr[0]) {
return "", fmt.Errorf("Invalid bind mount: the host path must be absolute.")
}
bindVolumes = append(bindVolumes, volume)
} else if volume == "/" {
return "", fmt.Errorf("Invalid volume: path can't be '/'")
} else {
localVolumes[volume] = struct{}{}
}
}
for _, link := range append(composer.Links, composer.ExternalLinks...) {
arr := strings.Split(link, ":")
if len(arr) < 2 {
links = append(links, arr[0]+":"+arr[0])
} else {
links = append(links, link)
}
}
for _, device := range composer.Devices {
src := ""
dst := ""
permissions := "rwm"
arr := strings.Split(device, ":")
switch len(arr) {
case 3:
permissions = arr[2]
fallthrough
case 2:
dst = arr[1]
fallthrough
case 1:
src = arr[0]
default:
return "", fmt.Errorf("Invalid device specification: %s", device)
}
if dst == "" {
dst = src
}
deviceMapping := api.DeviceMapping{
PathOnHost: src,
PathInContainer: dst,
CgroupPermissions: permissions,
}
deviceMappings = append(deviceMappings, deviceMapping)
}
parts := strings.Split(composer.RestartPolicy, ":")
restartPolicy := api.RestartPolicy{}
restartPolicy.Name = parts[0]
if (restartPolicy.Name == "on-failure") && (len(parts) == 2) {
count, err := strconv.Atoi(parts[1])
if err != nil {
return "", err
}
restartPolicy.MaximumRetryCount = count
}
config.Hostname = composer.Hostname
config.Domainname = composer.Domainname
config.User = composer.User
config.Memory = composer.Memory
config.MemorySwap = composer.MemorySwap
config.CpuShares = composer.CpuShares
config.Cpuset = composer.Cpuset
config.ExposedPorts = exposedPorts
config.Tty = composer.Tty
config.OpenStdin = composer.OpenStdin
config.Env = composer.Env
config.Cmd = composer.Cmd
config.Image = composer.Image
config.Volumes = localVolumes
config.WorkingDir = composer.WorkingDir
if composer.Entrypoint != "" {
config.Entrypoint = []string{composer.Entrypoint}
}
config.MacAddress = composer.MacAddress
hostConfig.Binds = bindVolumes
hostConfig.Privileged = composer.Privileged
hostConfig.PortBindings = portBindings
hostConfig.Links = links
hostConfig.PublishAllPorts = composer.PublishAllPorts
hostConfig.Dns = composer.Dns
hostConfig.DnsSearch = composer.DnsSearch
hostConfig.ExtraHosts = composer.ExtraHosts
hostConfig.VolumesFrom = composer.VolumesFrom
hostConfig.Devices = deviceMappings
hostConfig.NetworkMode = composer.NetworkMode
hostConfig.IpcMode = composer.IpcMode
hostConfig.PidMode = composer.PidMode
hostConfig.CapAdd = composer.CapAdd
hostConfig.CapDrop = composer.CapDrop
hostConfig.RestartPolicy = restartPolicy
hostConfig.SecurityOpt = composer.SecurityOpt
hostConfig.ReadonlyRootfs = composer.ReadonlyRootfs
var cid string
cid, err = docker.CreateContainer(composer.Name, config, hostConfig)
if err != nil {
if apiErr, ok := err.(api.Error); ok && (apiErr.StatusCode == 404) {
if _, err := docker.PullImage(config.Image); err != nil {
return "", err
}
cid, err = docker.CreateContainer(composer.Name, config, hostConfig)
if err != nil {
return "", err
}
} else {
return "", err
}
}
return cid, nil
}
