working on printing data for list command

cmd/kperf/commands/virtualcluster/nodepool.go

@@ -92,6 +92,28 @@ var nodepoolListCommand = cli.Command{
 	Name:  "list",
 	Usage: "List virtual node pools",
 	Action: func(cliCtx *cli.Context) error {
-		return fmt.Errorf("nodepool list - not implemented")
+		fmt.Println("In List command")
+		kubeCfgPath := cliCtx.String("kubeconfig")
+		nodepools, err := virtualcluster.ListNodepools(context.Background(), kubeCfgPath)
+		fmt.Println("after getting nodepools")
+		if err != nil {
+			return err
+		}
+		fmt.Println("No error :)")
+		fmt.Println("Number of nodepools: \n", len(nodepools))
+		fmt.Println()
+		for _, nodepool := range nodepools {
+			fmt.Println("Nodepool name: ", nodepool.Name)
+
+			//fmt.Println("Nodepool Nodes: ", len(nodepool.Info.repli))
+
+			//fmt.Println("Nodepool Memory: ", nodepool.Info.memory)
+			fmt.Println("Nodepool Status: ", nodepool.Info.Status)
+			// fmt.Println("-------------------")
+			// fmt.Println(nodepool)
+			// fmt.Println("-------------------")
+		}
+		fmt.Println("after printing returned nodepools")
+		return nil
 	},
 }

helmcli/list.go

@@ -0,0 +1,40 @@
+package helmcli
+
+import (
+	"fmt"
+
+	"helm.sh/helm/v3/pkg/action"
+	"helm.sh/helm/v3/pkg/release"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+)
+
+// ListCli is a client to get helm charts from secret storage.
+type ListCli struct {
+	namespace string
+
+	cfg *action.Configuration
+}
+
+// NewGetCli returns new GetCli instance.
+func NewListCli(kubeconfigPath string, namespace string) (*ListCli, error) {
+	actionCfg := new(action.Configuration)
+	if err := actionCfg.Init(
+		&genericclioptions.ConfigFlags{
+			KubeConfig: &kubeconfigPath,
+		},
+		namespace,
+		"secret",
+		noopLog,
+	); err != nil {
+		return nil, fmt.Errorf("failed to init action config: %w", err)
+	}
+	return &ListCli{
+		namespace: namespace,
+		cfg:       actionCfg,
+	}, nil
+}
+
+func (cli *ListCli) List() ([]*release.Release, error) {
+	listCli := action.NewList(cli.cfg)
+	return listCli.Run()
+}

virtualcluster/node_list.go

@@ -0,0 +1,21 @@
+package virtualcluster
+
+import (
+	"context"
+	"fmt"
+
+	"helm.sh/helm/v3/pkg/release"
+
+	"github.com/Azure/kperf/helmcli"
+)
+
+// ListNodeppol lists nodepools added by the vc nodeppool add command.
+func ListNodepools(_ context.Context, kubeconfigPath string) ([]*release.Release, error) {
+	listCli, err := helmcli.NewListCli(kubeconfigPath, virtualnodeReleaseNamespace)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create helm list client: %w", err)
+	}
+
+	nodepools, err := listCli.List()
+	return nodepools, err
+}