package stack import ( "fmt" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/swarm" "github.com/docker/docker/cli" "github.com/docker/docker/cli/command" "github.com/spf13/cobra" "golang.org/x/net/context" ) type removeOptions struct { namespace string } func newRemoveCommand(dockerCli *command.DockerCli) *cobra.Command { var opts removeOptions cmd := &cobra.Command{ Use: "rm STACK", Aliases: []string{"remove", "down"}, Short: "Remove the stack", Args: cli.ExactArgs(1), RunE: func(cmd *cobra.Command, args []string) error { opts.namespace = args[0] return runRemove(dockerCli, opts) }, } return cmd } func runRemove(dockerCli *command.DockerCli, opts removeOptions) error { namespace := opts.namespace client := dockerCli.Client() ctx := context.Background() services, err := getServices(ctx, client, namespace) if err != nil { return err } networks, err := getStackNetworks(ctx, client, namespace) if err != nil { return err } secrets, err := getStackSecrets(ctx, client, namespace) if err != nil { return err } if len(services)+len(networks)+len(secrets) == 0 { fmt.Fprintf(dockerCli.Out(), "Nothing found in stack: %s\n", namespace) return nil } hasError := removeServices(ctx, dockerCli, services) hasError = removeSecrets(ctx, dockerCli, secrets) || hasError hasError = removeNetworks(ctx, dockerCli, networks) || hasError if hasError { return fmt.Errorf("Failed to remove some resources") } return nil } func removeServices( ctx context.Context, dockerCli *command.DockerCli, services []swarm.Service, ) bool { var err error for _, service := range services { fmt.Fprintf(dockerCli.Err(), "Removing service %s\n", service.Spec.Name) if err = dockerCli.Client().ServiceRemove(ctx, service.ID); err != nil { fmt.Fprintf(dockerCli.Err(), "Failed to remove service %s: %s", service.ID, err) } } return err != nil } func removeNetworks( ctx context.Context, dockerCli *command.DockerCli, networks []types.NetworkResource, ) bool { var err error for _, network := range networks { fmt.Fprintf(dockerCli.Err(), "Removing network %s\n", network.Name) if err = dockerCli.Client().NetworkRemove(ctx, network.ID); err != nil { fmt.Fprintf(dockerCli.Err(), "Failed to remove network %s: %s", network.ID, err) } } return err != nil } func removeSecrets( ctx context.Context, dockerCli *command.DockerCli, secrets []swarm.Secret, ) bool { var err error for _, secret := range secrets { fmt.Fprintf(dockerCli.Err(), "Removing secret %s\n", secret.Spec.Name) if err = dockerCli.Client().SecretRemove(ctx, secret.ID); err != nil { fmt.Fprintf(dockerCli.Err(), "Failed to remove secret %s: %s", secret.ID, err) } } return err != nil }