| package service |
| |
| import ( |
| "fmt" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/cli" |
| "github.com/docker/docker/cli/command" |
| "github.com/spf13/cobra" |
| "golang.org/x/net/context" |
| ) |
| |
| func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command { |
| opts := newServiceOptions() |
| |
| cmd := &cobra.Command{ |
| Use: "create [OPTIONS] IMAGE [COMMAND] [ARG...]", |
| Short: "Create a new service", |
| Args: cli.RequiresMinArgs(1), |
| RunE: func(cmd *cobra.Command, args []string) error { |
| opts.image = args[0] |
| if len(args) > 1 { |
| opts.args = args[1:] |
| } |
| return runCreate(dockerCli, opts) |
| }, |
| } |
| flags := cmd.Flags() |
| flags.StringVar(&opts.mode, flagMode, "replicated", "Service mode (replicated or global)") |
| flags.StringVar(&opts.name, flagName, "", "Service name") |
| |
| addServiceFlags(cmd, opts) |
| |
| flags.VarP(&opts.labels, flagLabel, "l", "Service labels") |
| flags.Var(&opts.containerLabels, flagContainerLabel, "Container labels") |
| flags.VarP(&opts.env, flagEnv, "e", "Set environment variables") |
| flags.Var(&opts.envFile, flagEnvFile, "Read in a file of environment variables") |
| flags.Var(&opts.mounts, flagMount, "Attach a filesystem mount to the service") |
| flags.Var(&opts.constraints, flagConstraint, "Placement constraints") |
| flags.Var(&opts.networks, flagNetwork, "Network attachments") |
| flags.Var(&opts.secrets, flagSecret, "Specify secrets to expose to the service") |
| flags.VarP(&opts.endpoint.publishPorts, flagPublish, "p", "Publish a port as a node port") |
| flags.Var(&opts.groups, flagGroup, "Set one or more supplementary user groups for the container") |
| flags.Var(&opts.dns, flagDNS, "Set custom DNS servers") |
| flags.Var(&opts.dnsOption, flagDNSOption, "Set DNS options") |
| flags.Var(&opts.dnsSearch, flagDNSSearch, "Set custom DNS search domains") |
| flags.Var(&opts.hosts, flagHost, "Set one or more custom host-to-IP mappings (host:ip)") |
| |
| flags.SetInterspersed(false) |
| return cmd |
| } |
| |
| func runCreate(dockerCli *command.DockerCli, opts *serviceOptions) error { |
| apiClient := dockerCli.Client() |
| createOpts := types.ServiceCreateOptions{} |
| |
| service, err := opts.ToService() |
| if err != nil { |
| return err |
| } |
| |
| specifiedSecrets := opts.secrets.Value() |
| if len(specifiedSecrets) > 0 { |
| // parse and validate secrets |
| secrets, err := ParseSecrets(apiClient, specifiedSecrets) |
| if err != nil { |
| return err |
| } |
| service.TaskTemplate.ContainerSpec.Secrets = secrets |
| |
| } |
| |
| ctx := context.Background() |
| |
| if err := resolveServiceImageDigest(dockerCli, &service); err != nil { |
| return err |
| } |
| |
| // only send auth if flag was set |
| if opts.registryAuth { |
| // Retrieve encoded auth token from the image reference |
| encodedAuth, err := command.RetrieveAuthTokenFromImage(ctx, dockerCli, opts.image) |
| if err != nil { |
| return err |
| } |
| createOpts.EncodedRegistryAuth = encodedAuth |
| } |
| |
| response, err := apiClient.ServiceCreate(ctx, service, createOpts) |
| if err != nil { |
| return err |
| } |
| |
| for _, warning := range response.Warnings { |
| fmt.Fprintln(dockerCli.Err(), warning) |
| } |
| |
| fmt.Fprintf(dockerCli.Out(), "%s\n", response.ID) |
| return nil |
| } |