mirror of https://github.com/docker/cli.git
91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
|
package kubernetes
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/docker/cli/cli"
|
||
|
|
"github.com/docker/cli/cli/command"
|
||
|
|
"github.com/docker/cli/cli/command/formatter"
|
||
|
|
"github.com/docker/cli/cli/command/stack/kubernetes/api/labels"
|
||
|
|
"github.com/spf13/cobra"
|
||
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
|
|
)
|
||
|
|
|
||
|
|
type servicesOptions struct {
|
||
|
|
quiet bool
|
||
|
|
format string
|
||
|
|
namespace string
|
||
|
|
}
|
||
|
|
|
||
|
|
func newServicesCommand(dockerCli command.Cli, kubeCli *kubeCli) *cobra.Command {
|
||
|
|
var options servicesOptions
|
||
|
|
|
||
|
|
cmd := &cobra.Command{
|
||
|
|
Use: "services [OPTIONS] STACK",
|
||
|
|
Short: "List the services in the stack",
|
||
|
|
Args: cli.ExactArgs(1),
|
||
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
||
|
|
options.namespace = args[0]
|
||
|
|
return runServices(dockerCli, kubeCli, options)
|
||
|
|
},
|
||
|
|
}
|
||
|
|
flags := cmd.Flags()
|
||
|
|
flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display IDs")
|
||
|
|
flags.StringVar(&options.format, "format", "", "Pretty-print services using a Go template")
|
||
|
|
|
||
|
|
return cmd
|
||
|
|
}
|
||
|
|
|
||
|
|
func runServices(dockerCli command.Cli, kubeCli *kubeCli, options servicesOptions) error {
|
||
|
|
// Initialize clients
|
||
|
|
client, err := kubeCli.ComposeClient()
|
||
|
|
if err != nil {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
stacks, err := kubeCli.Stacks()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
replicas := client.ReplicaSets()
|
||
|
|
|
||
|
|
if _, err := stacks.Get(options.namespace, metav1.GetOptions{}); err != nil {
|
||
|
|
fmt.Fprintf(dockerCli.Err(), "Nothing found in stack: %s\n", options.namespace)
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
replicasList, err := replicas.List(metav1.ListOptions{LabelSelector: labels.SelectorForStack(options.namespace)})
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
servicesList, err := client.Services().List(metav1.ListOptions{LabelSelector: labels.SelectorForStack(options.namespace)})
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
// Convert Replicas sets and kubernetes services to swam services and formatter informations
|
||
|
|
services, info, err := replicasToServices(replicasList, servicesList)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
if options.quiet {
|
||
|
|
info = map[string]formatter.ServiceListInfo{}
|
||
|
|
}
|
||
|
|
|
||
|
|
format := options.format
|
||
|
|
if len(format) == 0 {
|
||
|
|
if len(dockerCli.ConfigFile().ServicesFormat) > 0 && !options.quiet {
|
||
|
|
format = dockerCli.ConfigFile().ServicesFormat
|
||
|
|
} else {
|
||
|
|
format = formatter.TableFormatKey
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
servicesCtx := formatter.Context{
|
||
|
|
Output: dockerCli.Out(),
|
||
|
|
Format: formatter.NewServiceListFormat(format, options.quiet),
|
||
|
|
}
|
||
|
|
return formatter.ServiceListWrite(servicesCtx, services, info)
|
||
|
|
}
|