mirror of https://github.com/docker/cli.git
67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
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package context
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/spf13/cobra"
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)
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type removeOptions struct {
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force bool
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}
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func newRemoveCommand(dockerCli command.Cli) *cobra.Command {
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var opts removeOptions
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cmd := &cobra.Command{
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Use: "rm CONTEXT [CONTEXT...]",
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Aliases: []string{"remove"},
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Short: "Remove one or more contexts",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runRemove(dockerCli, opts, args)
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},
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}
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cmd.Flags().BoolVarP(&opts.force, "force", "f", false, "Force the removal of a context in use")
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return cmd
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}
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func runRemove(dockerCli command.Cli, opts removeOptions, names []string) error {
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var errs []string
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currentCtx := dockerCli.CurrentContext()
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for _, name := range names {
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if name == "default" {
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errs = append(errs, `default: context "default" cannot be removed`)
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} else if err := doRemove(dockerCli, name, name == currentCtx, opts.force); err != nil {
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errs = append(errs, fmt.Sprintf("%s: %s", name, err))
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} else {
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fmt.Fprintln(dockerCli.Out(), name)
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}
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}
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if len(errs) > 0 {
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return errors.New(strings.Join(errs, "\n"))
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}
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return nil
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}
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func doRemove(dockerCli command.Cli, name string, isCurrent, force bool) error {
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if _, err := dockerCli.ContextStore().GetContextMetadata(name); err != nil {
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return err
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}
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if isCurrent {
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if !force {
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return errors.New("context is in use, set -f flag to force remove")
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}
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// fallback to DOCKER_HOST
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cfg := dockerCli.ConfigFile()
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cfg.CurrentContext = ""
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if err := cfg.Save(); err != nil {
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return err
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}
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}
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return dockerCli.ContextStore().RemoveContext(name)
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}
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