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moby--moby/cli/command/plugin/upgrade.go
Derek McGowan 3a1279393f
Use distribution reference
Remove forked reference package. Use normalized named values
everywhere and familiar functions to convert back to familiar
strings for UX and storage compatibility.

Enforce that the source repository in the distribution metadata
is always a normalized string, ignore invalid values which are not.
Update distribution tests to use normalized values.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
2017-02-07 11:08:37 -08:00

89 lines
2.7 KiB
Go

package plugin
import (
"context"
"fmt"
"strings"
"github.com/docker/distribution/reference"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
func newUpgradeCommand(dockerCli *command.DockerCli) *cobra.Command {
var options pluginOptions
cmd := &cobra.Command{
Use: "upgrade [OPTIONS] PLUGIN [REMOTE]",
Short: "Upgrade an existing plugin",
Args: cli.RequiresRangeArgs(1, 2),
RunE: func(cmd *cobra.Command, args []string) error {
options.localName = args[0]
if len(args) == 2 {
options.remote = args[1]
}
return runUpgrade(dockerCli, options)
},
}
flags := cmd.Flags()
loadPullFlags(&options, flags)
flags.BoolVar(&options.skipRemoteCheck, "skip-remote-check", false, "Do not check if specified remote plugin matches existing plugin image")
return cmd
}
func runUpgrade(dockerCli *command.DockerCli, opts pluginOptions) error {
ctx := context.Background()
p, _, err := dockerCli.Client().PluginInspectWithRaw(ctx, opts.localName)
if err != nil {
return fmt.Errorf("error reading plugin data: %v", err)
}
if p.Enabled {
return fmt.Errorf("the plugin must be disabled before upgrading")
}
opts.localName = p.Name
if opts.remote == "" {
opts.remote = p.PluginReference
}
remote, err := reference.ParseNormalizedNamed(opts.remote)
if err != nil {
return errors.Wrap(err, "error parsing remote upgrade image reference")
}
remote = reference.TagNameOnly(remote)
old, err := reference.ParseNormalizedNamed(p.PluginReference)
if err != nil {
return errors.Wrap(err, "error parsing current image reference")
}
old = reference.TagNameOnly(old)
fmt.Fprintf(dockerCli.Out(), "Upgrading plugin %s from %s to %s\n", p.Name, reference.FamiliarString(old), reference.FamiliarString(remote))
if !opts.skipRemoteCheck && remote.String() != old.String() {
if !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), "Plugin images do not match, are you sure?") {
return errors.New("canceling upgrade request")
}
}
options, err := buildPullConfig(ctx, dockerCli, opts, "plugin upgrade")
if err != nil {
return err
}
responseBody, err := dockerCli.Client().PluginUpgrade(ctx, opts.localName, options)
if err != nil {
if strings.Contains(err.Error(), "target is image") {
return errors.New(err.Error() + " - Use `docker image pull`")
}
return err
}
defer responseBody.Close()
if err := jsonmessage.DisplayJSONMessagesToStream(responseBody, dockerCli.Out(), nil); err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "Upgraded plugin %s to %s\n", opts.localName, opts.remote) // todo: return proper values from the API for this result
return nil
}