package swarm import ( "context" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/compose/convert" "github.com/docker/docker/api/types" "github.com/pkg/errors" ) // GetStacks lists the swarm stacks. func GetStacks(dockerCli command.Cli) ([]*formatter.Stack, error) { services, err := dockerCli.Client().ServiceList( context.Background(), types.ServiceListOptions{Filters: getAllStacksFilter()}) if err != nil { return nil, err } m := make(map[string]*formatter.Stack) for _, service := range services { labels := service.Spec.Labels name, ok := labels[convert.LabelNamespace] if !ok { return nil, errors.Errorf("cannot get label %s for service %s", convert.LabelNamespace, service.ID) } ztack, ok := m[name] if !ok { m[name] = &formatter.Stack{ Name: name, Services: 1, Orchestrator: "Swarm", } } else { ztack.Services++ } } var stacks []*formatter.Stack for _, stack := range m { stacks = append(stacks, stack) } return stacks, nil }