feat(kubernetes): cluster setup reasonable defaults EE-4518 (#8082)

api/kubernetes/cli/metrics.go

@@ -0,0 +1,19 @@
+package cli
+
+import (
+	"context"
+	"encoding/json"
+
+	models "github.com/portainer/portainer/api/http/models/kubernetes"
+)
+
+func (kcl *KubeClient) GetMetrics() (models.K8sMetrics, error) {
+	var metrics models.K8sMetrics
+	resp, err := kcl.cli.CoreV1().RESTClient().Get().AbsPath("apis/metrics.k8s.io/v1beta1/nodes").DoRaw(context.Background())
+	if err != nil {
+		return metrics, err
+	}
+
+	err = json.Unmarshal(resp, &metrics)
+	return metrics, err
+}