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