DockerCLI/cli/command/config/create.go

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package config
import (
"context"
"fmt"
"io"
"io/ioutil"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/pkg/system"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type createOptions struct {
name string
templateDriver string
file string
labels opts.ListOpts
}
func newConfigCreateCommand(dockerCli command.Cli) *cobra.Command {
createOpts := createOptions{
labels: opts.NewListOpts(opts.ValidateEnv),
}
cmd := &cobra.Command{
Use: "create [OPTIONS] CONFIG file|-",
Short: "Create a config from a file or STDIN",
Args: cli.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
createOpts.name = args[0]
createOpts.file = args[1]
return runConfigCreate(dockerCli, createOpts)
},
}
flags := cmd.Flags()
flags.VarP(&createOpts.labels, "label", "l", "Config labels")
flags.StringVar(&createOpts.templateDriver, "template-driver", "", "Template driver")
flags.SetAnnotation("driver", "version", []string{"1.37"})
return cmd
}
func runConfigCreate(dockerCli command.Cli, options createOptions) error {
client := dockerCli.Client()
ctx := context.Background()
var in io.Reader = dockerCli.In()
if options.file != "-" {
file, err := system.OpenSequential(options.file)
if err != nil {
return err
}
in = file
defer file.Close()
}
configData, err := ioutil.ReadAll(in)
if err != nil {
return errors.Errorf("Error reading content from %q: %v", options.file, err)
}
spec := swarm.ConfigSpec{
Annotations: swarm.Annotations{
Name: options.name,
Labels: opts.ConvertKVStringsToMap(options.labels.GetAll()),
},
Data: configData,
}
if options.templateDriver != "" {
spec.Templating = &swarm.Driver{
Name: options.templateDriver,
}
}
r, err := client.ConfigCreate(ctx, spec)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), r.ID)
return nil
}