github.com/vieux/docker@v0.6.3-0.20161004191708-e097c2a938c7/cli/command/service/create.go (about)

     1  package service
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/docker/docker/api/types"
     7  	"github.com/docker/docker/cli"
     8  	"github.com/docker/docker/cli/command"
     9  	"github.com/spf13/cobra"
    10  	"golang.org/x/net/context"
    11  )
    12  
    13  func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command {
    14  	opts := newServiceOptions()
    15  
    16  	cmd := &cobra.Command{
    17  		Use:   "create [OPTIONS] IMAGE [COMMAND] [ARG...]",
    18  		Short: "Create a new service",
    19  		Args:  cli.RequiresMinArgs(1),
    20  		RunE: func(cmd *cobra.Command, args []string) error {
    21  			opts.image = args[0]
    22  			if len(args) > 1 {
    23  				opts.args = args[1:]
    24  			}
    25  			return runCreate(dockerCli, opts)
    26  		},
    27  	}
    28  	flags := cmd.Flags()
    29  	flags.StringVar(&opts.mode, flagMode, "replicated", "Service mode (replicated or global)")
    30  	addServiceFlags(cmd, opts)
    31  
    32  	flags.VarP(&opts.labels, flagLabel, "l", "Service labels")
    33  	flags.Var(&opts.containerLabels, flagContainerLabel, "Container labels")
    34  	flags.VarP(&opts.env, flagEnv, "e", "Set environment variables")
    35  	flags.Var(&opts.mounts, flagMount, "Attach a mount to the service")
    36  	flags.StringSliceVar(&opts.constraints, flagConstraint, []string{}, "Placement constraints")
    37  	flags.StringSliceVar(&opts.networks, flagNetwork, []string{}, "Network attachments")
    38  	flags.VarP(&opts.endpoint.ports, flagPublish, "p", "Publish a port as a node port")
    39  
    40  	flags.SetInterspersed(false)
    41  	return cmd
    42  }
    43  
    44  func runCreate(dockerCli *command.DockerCli, opts *serviceOptions) error {
    45  	apiClient := dockerCli.Client()
    46  	createOpts := types.ServiceCreateOptions{}
    47  
    48  	service, err := opts.ToService()
    49  	if err != nil {
    50  		return err
    51  	}
    52  
    53  	ctx := context.Background()
    54  
    55  	// only send auth if flag was set
    56  	if opts.registryAuth {
    57  		// Retrieve encoded auth token from the image reference
    58  		encodedAuth, err := command.RetrieveAuthTokenFromImage(ctx, dockerCli, opts.image)
    59  		if err != nil {
    60  			return err
    61  		}
    62  		createOpts.EncodedRegistryAuth = encodedAuth
    63  	}
    64  
    65  	response, err := apiClient.ServiceCreate(ctx, service, createOpts)
    66  	if err != nil {
    67  		return err
    68  	}
    69  
    70  	fmt.Fprintf(dockerCli.Out(), "%s\n", response.ID)
    71  	return nil
    72  }