linkerd2/cli/cmd/get.go

79 lines
1.6 KiB
Go

package cmd
import (
"context"
"errors"
"fmt"
"github.com/runconduit/conduit/pkg/k8s"
"github.com/runconduit/conduit/pkg/shell"
pb "github.com/runconduit/conduit/controller/gen/public"
"github.com/spf13/cobra"
)
var getCmd = &cobra.Command{
Use: "get [flags] RESOURCE",
Short: "Display one or many mesh resources",
Long: `Display one or many mesh resources.
Valid resource types include:
* pods (aka pod, po)`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("please specify a resource type")
}
if len(args) > 1 {
return errors.New("please specify only one resource type")
}
friendlyName := args[0]
resourceType, err := k8s.CanonicalKubernetesNameFromFriendlyName(friendlyName)
if err != nil || resourceType != k8s.KubernetesPods {
return fmt.Errorf("invalid resource type %s, only %s are allowed as resource types", friendlyName, k8s.KubernetesPods)
}
kubeApi, err := k8s.NewK8sAPi(shell.NewUnixShell(), kubeconfigPath, apiAddr)
if err != nil {
return err
}
client, err := newApiClient(kubeApi)
if err != nil {
return err
}
podNames, err := getPods(client)
if err != nil {
return err
}
for _, podName := range podNames {
fmt.Println(podName)
}
return nil
},
}
func init() {
RootCmd.AddCommand(getCmd)
addControlPlaneNetworkingArgs(getCmd)
}
func getPods(apiClient pb.ApiClient) ([]string, error) {
resp, err := apiClient.ListPods(context.Background(), &pb.Empty{})
if err != nil {
return nil, err
}
names := make([]string, 0)
for _, pod := range resp.GetPods() {
names = append(names, pod.Name)
}
return names, nil
}