Add context use command
@@ -34,8 +34,10 @@ import (
"text/tabwriter"
"github.com/hashicorp/go-multierror"
+ "github.com/pkg/errors"
"github.com/spf13/cobra"
+ cliconfig "github.com/docker/api/cli/config"
"github.com/docker/api/context/store"
)
@@ -50,6 +52,7 @@ func ContextCommand() *cobra.Command {
createCommand(),
listCommand(),
removeCommand(),
+ useCommand(),
)
return cmd
@@ -106,6 +109,21 @@ func removeCommand() *cobra.Command {
}
}
+func useCommand() *cobra.Command {
+ return &cobra.Command{
+ Use: "use CONTEXT",
+ Short: "Set the default context",
+ Args: cobra.ExactArgs(1),
+ RunE: func(cmd *cobra.Command, args []string) error {
+ config := cmd.Flag(cliconfig.ConfigFlagName)
+ if config == nil || config.Value.String() == "" {
+ panic(errors.New("no value for config directory"))
+ }
+ return runUse(cmd.Context(), config.Value.String(), args[0])
+ },
+ }
+}
+
func runCreate(ctx context.Context, opts createOpts, name string, contextType string) error {
switch contextType {
case "aci":
@@ -162,3 +180,18 @@ func runRemove(ctx context.Context, args []string) error {
}
return errs.ErrorOrNil()
}
+
+func runUse(ctx context.Context, configDir string, name string) error {
+ s := store.ContextStore(ctx)
+ // Match behavior of existing CLI
+ if name != store.DefaultContextName {
+ if _, err := s.Get(name, nil); err != nil {
+ return err
+ }
+ }
+ if err := cliconfig.WriteCurrentContext(configDir, name); err != nil {
+ return err
+ }
+ fmt.Println(name)
+ return nil
+}
