package kubernetes import ( "sort" "github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/command/stack/options" "github.com/docker/cli/cli/compose/loader" composetypes "github.com/docker/cli/cli/compose/types" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "vbom.ml/util/sortorder" ) // RunList is the kubernetes implementation of docker stack ls func RunList(dockerCli *KubeCli, opts options.List) error { stacks, err := getStacks(dockerCli) if err != nil { return err } format := opts.Format if len(format) == 0 { format = formatter.TableFormatKey } stackCtx := formatter.Context{ Output: dockerCli.Out(), Format: formatter.NewStackFormat(format), } sort.Sort(byName(stacks)) return formatter.StackWrite(stackCtx, stacks) } type byName []*formatter.Stack func (n byName) Len() int { return len(n) } func (n byName) Swap(i, j int) { n[i], n[j] = n[j], n[i] } func (n byName) Less(i, j int) bool { return sortorder.NaturalLess(n[i].Name, n[j].Name) } func getStacks(kubeCli *KubeCli) ([]*formatter.Stack, error) { stackSvc, err := kubeCli.stacks() if err != nil { return nil, err } stacks, err := stackSvc.List(metav1.ListOptions{}) if err != nil { return nil, err } var formattedStacks []*formatter.Stack for _, stack := range stacks.Items { cfg, err := loadStack(stack.Spec.ComposeFile) if err != nil { return nil, err } formattedStacks = append(formattedStacks, &formatter.Stack{ Name: stack.Name, Services: len(getServices(cfg)), }) } return formattedStacks, nil } func loadStack(composefile string) (*composetypes.Config, error) { parsed, err := loader.ParseYAML([]byte(composefile)) if err != nil { return nil, err } return loader.Load(composetypes.ConfigDetails{ ConfigFiles: []composetypes.ConfigFile{ { Config: parsed, }, }, }) }