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85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package commands
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import (
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"os"
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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/pkg/errors"
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"github.com/spf13/cobra"
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)
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type useOptions struct {
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isGlobal bool
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isDefault bool
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}
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func runUse(dockerCli command.Cli, in useOptions, name string) error {
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txn, release, err := getStore(dockerCli)
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if err != nil {
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return err
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}
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defer release()
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if _, err := txn.NodeGroupByName(name); err != nil {
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if os.IsNotExist(errors.Cause(err)) {
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if name == "default" && name != dockerCli.CurrentContext() {
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return errors.Errorf("run `docker context use default` to switch to default context")
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}
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if name == "default" || name == dockerCli.CurrentContext() {
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ep, err := getCurrentEndpoint(dockerCli)
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if err != nil {
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return err
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}
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if err := txn.SetCurrent(ep, "", false, false); err != nil {
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return err
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}
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return nil
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}
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list, err := dockerCli.ContextStore().ListContexts()
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if err != nil {
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return err
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}
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for _, l := range list {
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if l.Name == name {
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return errors.Errorf("run `docker context use %s` to switch to context %s", name, name)
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}
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}
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}
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return errors.Wrapf(err, "failed to find instance %q", name)
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}
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ep, err := getCurrentEndpoint(dockerCli)
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if err != nil {
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return err
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}
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if err := txn.SetCurrent(ep, name, in.isGlobal, in.isDefault); err != nil {
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return err
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}
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return nil
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}
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func useCmd(dockerCli command.Cli) *cobra.Command {
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var options useOptions
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cmd := &cobra.Command{
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Use: "use [OPTIONS] NAME",
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Short: "Set the current builder instance",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runUse(dockerCli, options, args[0])
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&options.isGlobal, "global", false, "Builder persists context changes")
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flags.BoolVar(&options.isDefault, "default", false, "Set builder as default for current context")
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_ = flags
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return cmd
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}
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