DockerCLI/cli/command/secret/create.go

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package secret
import (
"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"
"golang.org/x/net/context"
)
type createOptions struct {
name string
driver string
file string
labels opts.ListOpts
}
func newSecretCreateCommand(dockerCli command.Cli) *cobra.Command {
options := createOptions{
labels: opts.NewListOpts(opts.ValidateEnv),
}
cmd := &cobra.Command{
Use: "create [OPTIONS] SECRET [file|-]",
Short: "Create a secret from a file or STDIN as content",
Args: cli.RequiresRangeArgs(1, 2),
RunE: func(cmd *cobra.Command, args []string) error {
options.name = args[0]
if len(args) == 2 {
options.file = args[1]
}
return runSecretCreate(dockerCli, options)
},
}
flags := cmd.Flags()
flags.VarP(&options.labels, "label", "l", "Secret labels")
flags.StringVarP(&options.driver, "driver", "d", "", "Secret driver")
flags.SetAnnotation("driver", "version", []string{"1.31"})
return cmd
}
func runSecretCreate(dockerCli command.Cli, options createOptions) error {
client := dockerCli.Client()
ctx := context.Background()
if options.driver != "" && options.file != "" {
return errors.Errorf("When using secret driver secret data must be empty")
}
secretData, err := readSecretData(dockerCli.In(), options.file)
if err != nil {
return errors.Errorf("Error reading content from %q: %v", options.file, err)
}
spec := swarm.SecretSpec{
Annotations: swarm.Annotations{
Name: options.name,
Labels: opts.ConvertKVStringsToMap(options.labels.GetAll()),
},
Data: secretData,
}
if options.driver != "" {
spec.Driver = &swarm.Driver{
Name: options.driver,
}
}
r, err := client.SecretCreate(ctx, spec)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), r.ID)
return nil
}
func readSecretData(in io.ReadCloser, file string) ([]byte, error) {
// Read secret value from external driver
if file == "" {
return nil, nil
}
if file != "-" {
var err error
in, err = system.OpenSequential(file)
if err != nil {
return nil, err
}
defer in.Close()
}
data, err := ioutil.ReadAll(in)
if err != nil {
return nil, err
}
return data, nil
}