nodepool.go

// Copyright (c) 2021 Terminus, Inc.
//
// This program is free software: you can use, redistribute, and/or modify
// it under the terms of the GNU Affero General Public License, version 3
// or later ("AGPL"), as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

package kubernetes

import (
	"context"
	"fmt"

	crClient "sigs.k8s.io/controller-runtime/pkg/client"

	"github.com/erda-project/erda/pkg/clientgo/apis/openyurt/v1alpha1"
)

// ListNodePool List nodePool under the specified cluster.
func (k *Kubernetes) ListNodePool(clusterName string) (*v1alpha1.NodePoolList, error) {
	client, err := k.getK8sClient(clusterName)
	if err != nil {
		return nil, fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
	}

	var nodePools v1alpha1.NodePoolList
	if err = client.CRClient.List(context.Background(), &nodePools); err != nil {
		return nil, fmt.Errorf("cluster %s list nodepool error, %v", clusterName, err)
	}

	return &nodePools, nil
}

// GetNodePool Get nodePool under the specified cluster.
func (k *Kubernetes) GetNodePool(clusterName, npName string) (*v1alpha1.NodePool, error) {
	client, err := k.getK8sClient(clusterName)
	if err != nil {
		return nil, fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
	}

	var np v1alpha1.NodePool
	if err = client.CRClient.Get(context.Background(), crClient.ObjectKey{Name: npName}, &np); err != nil {
		return nil, fmt.Errorf("cluster %s get nodepool error, %v", clusterName, err)
	}

	return &np, nil
}

// CreateNodePool Crate nodePool on specified cluster.
func (k *Kubernetes) CreateNodePool(clusterName string, nodePool *v1alpha1.NodePool) error {
	if nodePool == nil {
		return fmt.Errorf("create action must give a non-nil NodePool entity")
	}

	client, err := k.getK8sClient(clusterName)
	if err != nil {
		return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
	}

	if err = client.CRClient.Create(context.Background(), nodePool); err != nil {
		return fmt.Errorf("cluster %s create nodepool error, %v", clusterName, err)
	}

	return nil
}

// DeleteNodePool Delete node on specified cluster.
func (k *Kubernetes) DeleteNodePool(clusterName string, nodePoolName string) error {
	client, err := k.getK8sClient(clusterName)
	if err != nil {
		return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
	}

	np, err := k.GetNodePool(clusterName, nodePoolName)
	if err != nil {
		return err
	}

	if err = client.CRClient.Delete(context.Background(), np); err != nil {
		return fmt.Errorf("cluster %s delete nodepool error, %v", clusterName, err)
	}

	return nil
}

// UpdateNodePool Update nodePool on specified cluster.
func (k *Kubernetes) UpdateNodePool(clusterName string, nodePool *v1alpha1.NodePool) error {
	client, err := k.getK8sClient(clusterName)
	if err != nil {
		return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
	}

	if err = client.CRClient.Update(context.Background(), nodePool); err != nil {
		return fmt.Errorf("cluster %s update nodepool error, %v", clusterName, err)
	}

	return nil
}