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create.go
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create.go
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package service
import (
"fmt"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/docker/engine-api/types"
"github.com/spf13/cobra"
"golang.org/x/net/context"
)
func newCreateCommand(dockerCli *client.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)")
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.mounts, flagMount, "Attach a mount to the service")
flags.StringSliceVar(&opts.constraints, flagConstraint, []string{}, "Placement constraints")
flags.StringSliceVar(&opts.networks, flagNetwork, []string{}, "Network attachments")
flags.VarP(&opts.endpoint.ports, flagPublish, "p", "Publish a port as a node port")
flags.SetInterspersed(false)
return cmd
}
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
}