package swarm import ( "fmt" "sort" "strings" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/stack/options" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/swarm" "github.com/docker/docker/api/types/versions" "github.com/pkg/errors" "golang.org/x/net/context" ) // RunRemove is the swarm implementation of docker stack remove func RunRemove(dockerCli command.Cli, opts options.Remove) error { namespaces := opts.Namespaces client := dockerCli.Client() ctx := context.Background() var errs []string for _, namespace := range namespaces { services, err := getServices(ctx, client, namespace) if err != nil { return err } networks, err := getStackNetworks(ctx, client, namespace) if err != nil { return err } var secrets []swarm.Secret if versions.GreaterThanOrEqualTo(client.ClientVersion(), "1.25") { secrets, err = getStackSecrets(ctx, client, namespace) if err != nil { return err } } var configs []swarm.Config if versions.GreaterThanOrEqualTo(client.ClientVersion(), "1.30") { configs, err = getStackConfigs(ctx, client, namespace) if err != nil { return err } } if len(services)+len(networks)+len(secrets)+len(configs) == 0 { fmt.Fprintf(dockerCli.Err(), "Nothing found in stack: %s\n", namespace) continue } hasError := removeServices(ctx, dockerCli, services) hasError = removeSecrets(ctx, dockerCli, secrets) || hasError hasError = removeConfigs(ctx, dockerCli, configs) || hasError hasError = removeNetworks(ctx, dockerCli, networks) || hasError if hasError { errs = append(errs, fmt.Sprintf("Failed to remove some resources from stack: %s", namespace)) } } if len(errs) > 0 { return errors.Errorf(strings.Join(errs, "\n")) } return nil } func sortServiceByName(services []swarm.Service) func(i, j int) bool { return func(i, j int) bool { return services[i].Spec.Name < services[j].Spec.Name } } func removeServices( ctx context.Context, dockerCli command.Cli, services []swarm.Service, ) bool { var hasError bool sort.Slice(services, sortServiceByName(services)) for _, service := range services { fmt.Fprintf(dockerCli.Out(), "Removing service %s\n", service.Spec.Name) if err := dockerCli.Client().ServiceRemove(ctx, service.ID); err != nil { hasError = true fmt.Fprintf(dockerCli.Err(), "Failed to remove service %s: %s", service.ID, err) } } return hasError } func removeNetworks( ctx context.Context, dockerCli command.Cli, networks []types.NetworkResource, ) bool { var hasError bool for _, network := range networks { fmt.Fprintf(dockerCli.Out(), "Removing network %s\n", network.Name) if err := dockerCli.Client().NetworkRemove(ctx, network.ID); err != nil { hasError = true fmt.Fprintf(dockerCli.Err(), "Failed to remove network %s: %s", network.ID, err) } } return hasError } func removeSecrets( ctx context.Context, dockerCli command.Cli, secrets []swarm.Secret, ) bool { var hasError bool for _, secret := range secrets { fmt.Fprintf(dockerCli.Out(), "Removing secret %s\n", secret.Spec.Name) if err := dockerCli.Client().SecretRemove(ctx, secret.ID); err != nil { hasError = true fmt.Fprintf(dockerCli.Err(), "Failed to remove secret %s: %s", secret.ID, err) } } return hasError } func removeConfigs( ctx context.Context, dockerCli command.Cli, configs []swarm.Config, ) bool { var hasError bool for _, config := range configs { fmt.Fprintf(dockerCli.Out(), "Removing config %s\n", config.Spec.Name) if err := dockerCli.Client().ConfigRemove(ctx, config.ID); err != nil { hasError = true fmt.Fprintf(dockerCli.Err(), "Failed to remove config %s: %s", config.ID, err) } } return hasError }