func runLogin(dockerCli *client.DockerCli, opts loginOptions) error {
ctx := context.Background()
clnt := dockerCli.Client()
var serverAddress string
var isDefaultRegistry bool
if opts.serverAddress != "" {
serverAddress = opts.serverAddress
} else {
serverAddress = dockerCli.ElectAuthServer(ctx)
isDefaultRegistry = true
}
authConfig, err := dockerCli.ConfigureAuth(opts.user, opts.password, serverAddress, isDefaultRegistry)
if err != nil {
return err
}
response, err := clnt.RegistryLogin(ctx, authConfig)
if err != nil {
return err
}
if response.IdentityToken != "" {
authConfig.Password = ""
authConfig.IdentityToken = response.IdentityToken
}
if err := client.StoreCredentials(dockerCli.ConfigFile(), authConfig); err != nil {
return fmt.Errorf("Error saving credentials: %v", err)
}
if response.Status != "" {
fmt.Fprintln(dockerCli.Out(), response.Status)
}
return nil
}
func runRemove(dockerCli *client.DockerCli, opts removeOptions, images []string) error {
client := dockerCli.Client()
ctx := context.Background()
options := types.ImageRemoveOptions{
Force: opts.force,
PruneChildren: !opts.noPrune,
}
var errs []string
for _, image := range images {
dels, err := client.ImageRemove(ctx, image, options)
if err != nil {
errs = append(errs, err.Error())
} else {
for _, del := range dels {
if del.Deleted != "" {
fmt.Fprintf(dockerCli.Out(), "Deleted: %s\n", del.Deleted)
} else {
fmt.Fprintf(dockerCli.Out(), "Untagged: %s\n", del.Untagged)
}
}
}
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}
func runList(dockerCli *client.DockerCli, opts listOptions) error {
ctx := context.Background()
client := dockerCli.Client()
services, err := client.ServiceList(ctx, types.ServiceListOptions{Filter: opts.filter.Value()})
if err != nil {
return err
}
out := dockerCli.Out()
if opts.quiet {
PrintQuiet(out, services)
} else {
taskFilter := filters.NewArgs()
for _, service := range services {
taskFilter.Add("service", service.ID)
}
tasks, err := client.TaskList(ctx, types.TaskListOptions{Filter: taskFilter})
if err != nil {
return err
}
nodes, err := client.NodeList(ctx, types.NodeListOptions{})
if err != nil {
return err
}
PrintNotQuiet(out, services, nodes, tasks)
}
return nil
}
func runLogs(dockerCli *client.DockerCli, opts *logsOptions) error {
ctx := context.Background()
c, err := dockerCli.Client().ContainerInspect(ctx, opts.container)
if err != nil {
return err
}
if !validDrivers[c.HostConfig.LogConfig.Type] {
return fmt.Errorf("\"logs\" command is supported only for \"json-file\" and \"journald\" logging drivers (got: %s)", c.HostConfig.LogConfig.Type)
}
options := types.ContainerLogsOptions{
ShowStdout: true,
ShowStderr: true,
Since: opts.since,
Timestamps: opts.timestamps,
Follow: opts.follow,
Tail: opts.tail,
Details: opts.details,
}
responseBody, err := dockerCli.Client().ContainerLogs(ctx, opts.container, options)
if err != nil {
return err
}
defer responseBody.Close()
if c.Config.Tty {
_, err = io.Copy(dockerCli.Out(), responseBody)
} else {
_, err = stdcopy.StdCopy(dockerCli.Out(), dockerCli.Err(), responseBody)
}
return err
}
func runCreate(dockerCli *client.DockerCli, opts *serviceOptions) error {
apiClient := dockerCli.Client()
createOpts := types.ServiceCreateOptions{}
service, err := opts.ToService()
if err != nil {
return err
}
ctx := context.Background()
// only send auth if flag was set
if opts.registryAuth {
// Retrieve encoded auth token from the image reference
encodedAuth, err := dockerCli.RetrieveAuthTokenFromImage(ctx, opts.image)
if err != nil {
return err
}
createOpts.EncodedRegistryAuth = encodedAuth
}
response, err := apiClient.ServiceCreate(ctx, service, createOpts)
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "%s\n", response.ID)
return nil
}
func runCreate(dockerCli *client.DockerCli, opts createOptions) error {
client := dockerCli.Client()
ipamCfg, err := consolidateIpam(opts.ipamSubnet, opts.ipamIPRange, opts.ipamGateway, opts.ipamAux.GetAll())
if err != nil {
return err
}
// Construct network create request body
nc := types.NetworkCreate{
Driver: opts.driver,
Options: opts.driverOpts.GetAll(),
IPAM: network.IPAM{
Driver: opts.ipamDriver,
Config: ipamCfg,
Options: opts.ipamOpt.GetAll(),
},
CheckDuplicate: true,
Internal: opts.internal,
EnableIPv6: opts.ipv6,
Labels: runconfigopts.ConvertKVStringsToMap(opts.labels),
}
resp, err := client.NetworkCreate(context.Background(), opts.name, nc)
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "%s\n", resp.ID)
return nil
}
func runRemove(dockerCli *client.DockerCli, opts *rmOptions) error {
ctx := context.Background()
var errs cli.Errors
for _, name := range opts.plugins {
named, err := reference.ParseNamed(name) // FIXME: validate
if err != nil {
return err
}
if reference.IsNameOnly(named) {
named = reference.WithDefaultTag(named)
}
ref, ok := named.(reference.NamedTagged)
if !ok {
return fmt.Errorf("invalid name: %s", named.String())
}
// TODO: pass names to api instead of making multiple api calls
if err := dockerCli.Client().PluginRemove(ctx, ref.String(), types.PluginRemoveOptions{Force: opts.force}); err != nil {
errs = append(errs, err)
continue
}
fmt.Fprintln(dockerCli.Out(), name)
}
// Do not simplify to `return errs` because even if errs == nil, it is not a nil-error interface value.
if errs != nil {
return errs
}
return nil
}
func runLoad(dockerCli *client.DockerCli, opts loadOptions) error {
var input io.Reader = dockerCli.In()
if opts.input != "" {
file, err := os.Open(opts.input)
if err != nil {
return err
}
defer file.Close()
input = file
}
if !dockerCli.IsTerminalOut() {
opts.quiet = true
}
response, err := dockerCli.Client().ImageLoad(context.Background(), input, opts.quiet)
if err != nil {
return err
}
defer response.Body.Close()
if response.Body != nil && response.JSON {
return jsonmessage.DisplayJSONMessagesStream(response.Body, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
}
_, err = io.Copy(dockerCli.Out(), response.Body)
return err
}
func runEvents(dockerCli *client.DockerCli, opts *eventsOptions) error {
eventFilterArgs := filters.NewArgs()
// Consolidate all filter flags, and sanity check them early.
// They'll get process in the daemon/server.
for _, f := range opts.filter {
var err error
eventFilterArgs, err = filters.ParseFlag(f, eventFilterArgs)
if err != nil {
return err
}
}
options := types.EventsOptions{
Since: opts.since,
Until: opts.until,
Filters: eventFilterArgs,
}
responseBody, err := dockerCli.Client().Events(context.Background(), options)
if err != nil {
return err
}
defer responseBody.Close()
return streamEvents(responseBody, dockerCli.Out())
}
func runDiff(dockerCli *client.DockerCli, opts *diffOptions) error {
if opts.container == "" {
return fmt.Errorf("Container name cannot be empty")
}
ctx := context.Background()
changes, err := dockerCli.Client().ContainerDiff(ctx, opts.container)
if err != nil {
return err
}
for _, change := range changes {
var kind string
switch change.Kind {
case archive.ChangeModify:
kind = "C"
case archive.ChangeAdd:
kind = "A"
case archive.ChangeDelete:
kind = "D"
}
fmt.Fprintf(dockerCli.Out(), "%s %s\n", kind, change.Path)
}
return nil
}
func runInspect(dockerCli *client.DockerCli, opts inspectOptions) error {
ctx := context.Background()
client := dockerCli.Client()
var getRefFunc inspect.GetRefFunc
switch opts.inspectType {
case "container":
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.ContainerInspectWithRaw(ctx, ref, opts.size)
}
case "image":
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.ImageInspectWithRaw(ctx, ref)
}
case "task":
if opts.size {
fmt.Fprintln(dockerCli.Err(), "WARNING: --size ignored for tasks")
}
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.TaskInspectWithRaw(ctx, ref)
}
case "":
getRefFunc = inspectAll(ctx, dockerCli, opts.size)
default:
return fmt.Errorf("%q is not a valid value for --type", opts.inspectType)
}
return inspect.Inspect(dockerCli.Out(), opts.ids, opts.format, getRefFunc)
}
func runServiceScale(dockerCli *client.DockerCli, serviceID string, scale string) error {
client := dockerCli.Client()
ctx := context.Background()
service, err := client.ServiceInspect(ctx, serviceID)
if err != nil {
return err
}
serviceMode := &service.Spec.Mode
if serviceMode.Replicated == nil {
return fmt.Errorf("scale can only be used with replicated mode")
}
uintScale, err := strconv.ParseUint(scale, 10, 64)
if err != nil {
return fmt.Errorf("invalid replicas value %s: %s", scale, err.Error())
}
serviceMode.Replicated.Replicas = &uintScale
err = client.ServiceUpdate(ctx, service.ID, service.Version, service.Spec)
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "%s scaled to %s\n", serviceID, scale)
return nil
}
func runPush(dockerCli *client.DockerCli, remote string) error {
ref, err := reference.ParseNamed(remote)
if err != nil {
return err
}
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(ref)
if err != nil {
return err
}
ctx := context.Background()
// Resolve the Auth config relevant for this server
authConfig := dockerCli.ResolveAuthConfig(ctx, repoInfo.Index)
requestPrivilege := dockerCli.RegistryAuthenticationPrivilegedFunc(repoInfo.Index, "push")
if client.IsTrusted() {
return dockerCli.TrustedPush(ctx, repoInfo, ref, authConfig, requestPrivilege)
}
responseBody, err := dockerCli.ImagePushPrivileged(ctx, authConfig, ref.String(), requestPrivilege)
if err != nil {
return err
}
defer responseBody.Close()
return jsonmessage.DisplayJSONMessagesStream(responseBody, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
}
func runUpdate(dockerCli *client.DockerCli, flags *pflag.FlagSet, opts swarmOptions) error {
client := dockerCli.Client()
ctx := context.Background()
var updateFlags swarm.UpdateFlags
swarm, err := client.SwarmInspect(ctx)
if err != nil {
return err
}
err = mergeSwarm(&swarm, flags)
if err != nil {
return err
}
err = client.SwarmUpdate(ctx, swarm.Version, swarm.Spec, updateFlags)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), "Swarm updated.")
return nil
}
func runInit(dockerCli *client.DockerCli, flags *pflag.FlagSet, opts initOptions) error {
client := dockerCli.Client()
ctx := context.Background()
req := swarm.InitRequest{
ListenAddr: opts.listenAddr.String(),
AdvertiseAddr: opts.advertiseAddr,
ForceNewCluster: opts.forceNewCluster,
Spec: opts.swarmOptions.ToSpec(),
}
nodeID, err := client.SwarmInit(ctx, req)
if err != nil {
if strings.Contains(err.Error(), "could not choose an IP address to advertise") || strings.Contains(err.Error(), "could not find the system's IP address") {
return errors.New(err.Error() + " - specify one with --advertise-addr")
}
return err
}
fmt.Fprintf(dockerCli.Out(), "Swarm initialized: current node (%s) is now a manager.\n\n", nodeID)
if err := printJoinCommand(ctx, dockerCli, nodeID, true, false); err != nil {
return err
}
fmt.Fprint(dockerCli.Out(), "To add a manager to this swarm, run 'docker swarm join-token manager' and follow the instructions.\n\n")
return nil
}
func pullImage(ctx context.Context, dockerCli *client.DockerCli, image string, out io.Writer) error {
ref, err := reference.ParseNamed(image)
if err != nil {
return err
}
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(ref)
if err != nil {
return err
}
authConfig := dockerCli.ResolveAuthConfig(ctx, repoInfo.Index)
encodedAuth, err := client.EncodeAuthToBase64(authConfig)
if err != nil {
return err
}
options := types.ImageCreateOptions{
RegistryAuth: encodedAuth,
}
responseBody, err := dockerCli.Client().ImageCreate(ctx, image, options)
if err != nil {
return err
}
defer responseBody.Close()
return jsonmessage.DisplayJSONMessagesStream(
responseBody,
out,
dockerCli.Out().FD(),
dockerCli.Out().IsTerminal(),
nil)
}
func runConfig(dockerCli *client.DockerCli, opts configOptions) error {
bundle, err := loadBundlefile(dockerCli.Err(), opts.namespace, opts.bundlefile)
if err != nil {
return err
}
return bundlefile.Print(dockerCli.Out(), bundle)
}
func runList(dockerCli *client.DockerCli, opts listOptions) error {
ctx := context.Background()
client := dockerCli.Client()
services, err := client.ServiceList(ctx, types.ServiceListOptions{Filter: opts.filter.Value()})
if err != nil {
return err
}
out := dockerCli.Out()
if opts.quiet {
printQuiet(out, services)
} else {
taskFilter := filters.NewArgs()
for _, service := range services {
taskFilter.Add("service", service.ID)
}
tasks, err := client.TaskList(ctx, types.TaskListOptions{Filter: taskFilter})
if err != nil {
return err
}
running := map[string]int{}
for _, task := range tasks {
if task.Status.State == "running" {
running[task.ServiceID]++
}
}
printTable(out, services, running)
}
return nil
}
func runCommit(dockerCli *client.DockerCli, opts *commitOptions) error {
ctx := context.Background()
name := opts.container
reference := opts.reference
var config *containertypes.Config
if opts.config != "" {
config = &containertypes.Config{}
if err := json.Unmarshal([]byte(opts.config), config); err != nil {
return err
}
}
options := types.ContainerCommitOptions{
Reference: reference,
Comment: opts.comment,
Author: opts.author,
Changes: opts.changes.GetAll(),
Pause: opts.pause,
Config: config,
}
response, err := dockerCli.Client().ContainerCommit(ctx, name, options)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), response.ID)
return nil
}
func runJoin(dockerCli *client.DockerCli, opts joinOptions) error {
client := dockerCli.Client()
ctx := context.Background()
req := swarm.JoinRequest{
JoinToken: opts.token,
ListenAddr: opts.listenAddr.String(),
RemoteAddrs: []string{opts.remote},
}
err := client.SwarmJoin(ctx, req)
if err != nil {
return err
}
info, err := client.Info(ctx)
if err != nil {
return err
}
_, _, err = client.NodeInspectWithRaw(ctx, info.Swarm.NodeID)
if err != nil {
// TODO(aaronl): is there a better way to do this?
if strings.Contains(err.Error(), "This node is not a swarm manager.") {
fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a worker.")
}
} else {
fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a manager.")
}
return nil
}
func runPromote(dockerCli *client.DockerCli, nodes []string) error {
promote := func(node *swarm.Node) {
node.Spec.Role = swarm.NodeRoleManager
}
success := func(nodeID string) {
fmt.Fprintf(dockerCli.Out(), "Node %s promoted to a manager in the swarm.\n", nodeID)
}
return updateNodes(dockerCli, nodes, promote, success)
}
// Print task information in a table format
func Print(dockerCli *client.DockerCli, ctx context.Context, tasks []swarm.Task, resolver *idresolver.IDResolver, noTrunc bool) error {
sort.Stable(tasksBySlot(tasks))
writer := tabwriter.NewWriter(dockerCli.Out(), 0, 4, 2, ' ', 0)
// Ignore flushing errors
defer writer.Flush()
fmt.Fprintln(writer, strings.Join([]string{"ID", "NAME", "IMAGE", "NODE", "DESIRED STATE", "CURRENT STATE", "ERROR"}, "\t"))
prevName := ""
for _, task := range tasks {
serviceValue, err := resolver.Resolve(ctx, swarm.Service{}, task.ServiceID)
if err != nil {
return err
}
nodeValue, err := resolver.Resolve(ctx, swarm.Node{}, task.NodeID)
if err != nil {
return err
}
name := serviceValue
if task.Slot > 0 {
name = fmt.Sprintf("%s.%d", name, task.Slot)
}
// Indent the name if necessary
indentedName := name
if prevName == name {
indentedName = fmt.Sprintf(" \\_ %s", indentedName)
}
prevName = name
// Trim and quote the error message.
taskErr := task.Status.Err
if !noTrunc && len(taskErr) > maxErrLength {
taskErr = fmt.Sprintf("%s…", taskErr[:maxErrLength-1])
}
if len(taskErr) > 0 {
taskErr = fmt.Sprintf("\"%s\"", taskErr)
}
fmt.Fprintf(
writer,
psTaskItemFmt,
task.ID,
indentedName,
task.Spec.ContainerSpec.Image,
nodeValue,
client.PrettyPrint(task.DesiredState),
client.PrettyPrint(task.Status.State),
strings.ToLower(units.HumanDuration(time.Since(task.Status.Timestamp))),
taskErr,
)
}
return nil
}
func runInspect(dockerCli *client.DockerCli, opts inspectOptions) error {
client := dockerCli.Client()
getNetFunc := func(name string) (interface{}, []byte, error) {
return client.NetworkInspectWithRaw(context.Background(), name)
}
return inspect.Inspect(dockerCli.Out(), opts.names, opts.format, getNetFunc)
}
func runDemote(dockerCli *client.DockerCli, nodes []string) error {
demote := func(node *swarm.Node) {
node.Spec.Role = swarm.NodeRoleWorker
}
success := func(nodeID string) {
fmt.Fprintf(dockerCli.Out(), "Manager %s demoted in the swarm.\n", nodeID)
}
return updateNodes(dockerCli, nodes, demote, success)
}
func runAccept(dockerCli *client.DockerCli, nodes []string) error {
accept := func(node *swarm.Node) {
node.Spec.Membership = swarm.NodeMembershipAccepted
}
success := func(nodeID string) {
fmt.Fprintf(dockerCli.Out(), "Node %s accepted in the swarm.\n", nodeID)
}
return updateNodes(dockerCli, nodes, accept, success)
}
func runInspect(dockerCli *client.DockerCli, opts inspectOptions) error {
var elementSearcher inspect.GetRefFunc
switch opts.inspectType {
case "", "container", "image", "node", "network", "service", "volume", "task":
elementSearcher = inspectAll(context.Background(), dockerCli, opts.size, opts.inspectType)
default:
return fmt.Errorf("%q is not a valid value for --type", opts.inspectType)
}
return inspect.Inspect(dockerCli.Out(), opts.ids, opts.format, elementSearcher)
}
func runInspect(dockerCli *client.DockerCli, opts inspectOptions) error {
client := dockerCli.Client()
getVolFunc := func(name string) (interface{}, []byte, error) {
i, err := client.VolumeInspect(context.Background(), name)
return i, nil, err
}
return inspect.Inspect(dockerCli.Out(), opts.names, opts.format, getVolFunc)
}
func formatInfo(dockerCli *client.DockerCli, info types.Info, format string) error {
tmpl, err := templates.Parse(format)
if err != nil {
return cli.StatusError{StatusCode: 64,
Status: "Template parsing error: " + err.Error()}
}
err = tmpl.Execute(dockerCli.Out(), info)
dockerCli.Out().Write([]byte{'\n'})
return err
}
func runLeave(dockerCli *client.DockerCli, opts leaveOptions) error {
client := dockerCli.Client()
ctx := context.Background()
if err := client.SwarmLeave(ctx, opts.force); err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), "Node left the swarm.")
return nil
}
func runPromote(dockerCli *client.DockerCli, flags *pflag.FlagSet, args []string) error {
for _, id := range args {
if err := runUpdate(dockerCli, id, func(node *swarm.Node) {
node.Spec.Role = swarm.NodeRoleManager
}); err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "Node %s promoted to a manager in the swarm.", id)
}
return nil
}