upgrade to istio 1.19 (#1211)

Co-authored-by: CH3CHO <ch3cho@qq.com>
Co-authored-by: rinfx <893383980@qq.com>

hgctl/pkg/kubernetes/wasmplugin.go

@@ -0,0 +1,130 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package kubernetes
+
+import (
+	"context"
+
+	"github.com/spf13/pflag"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+const (
+	DefaultHigressNamespace = "higress-system"
+	HigressExtGroup         = "extensions.higress.io"
+	HigressExtVersion       = "v1alpha1"
+	HigressExtAPIVersion    = HigressExtGroup + "/" + HigressExtVersion
+
+	WasmPluginKind     = "WasmPlugin"
+	WasmPluginResource = "wasmplugins"
+)
+
+var (
+	HigressNamespace = DefaultHigressNamespace
+	WasmPluginGVK    = schema.GroupVersionKind{Group: HigressExtGroup, Version: HigressExtVersion, Kind: WasmPluginKind}
+	WasmPluginGVR    = schema.GroupVersionResource{Group: HigressExtGroup, Version: HigressExtVersion, Resource: WasmPluginResource}
+)
+
+func AddHigressNamespaceFlags(flags *pflag.FlagSet) {
+	flags.StringVarP(&HigressNamespace, "namespace", "n",
+		DefaultHigressNamespace, "Namespace where Higress was installed")
+}
+
+type WasmPluginClient struct {
+	dyn *DynamicClient
+}
+
+func NewWasmPluginClient(dynClient *DynamicClient) *WasmPluginClient {
+	return &WasmPluginClient{dynClient}
+}
+
+func (c WasmPluginClient) Get(ctx context.Context, name string) (*unstructured.Unstructured, error) {
+	return c.dyn.Get(ctx, WasmPluginGVR, HigressNamespace, name)
+}
+
+func (c WasmPluginClient) List(ctx context.Context) (*unstructured.UnstructuredList, error) {
+	return c.dyn.List(ctx, WasmPluginGVR, HigressNamespace)
+}
+
+func (c WasmPluginClient) Create(ctx context.Context, obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
+	return c.dyn.Create(ctx, WasmPluginGVR, HigressNamespace, obj)
+}
+
+func (c WasmPluginClient) Delete(ctx context.Context, name string) (*unstructured.Unstructured, error) {
+	return c.dyn.Delete(ctx, WasmPluginGVR, HigressNamespace, name)
+}
+
+func (c WasmPluginClient) Update(ctx context.Context, obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
+	return c.dyn.Update(ctx, WasmPluginGVR, HigressNamespace, obj)
+}
+
+// TODO(WeixinX): Will be changed to WasmPlugin specific Client instead of Unstructured
+type DynamicClient struct {
+	config *rest.Config
+	client dynamic.Interface
+}
+
+func NewDynamicClient(clientConfig clientcmd.ClientConfig) (*DynamicClient, error) {
+	var (
+		c   DynamicClient
+		err error
+	)
+
+	c.config, err = clientConfig.ClientConfig()
+	if err != nil {
+		return nil, err
+	}
+
+	c.client, err = dynamic.NewForConfig(c.config)
+	if err != nil {
+		return nil, err
+	}
+
+	return &c, nil
+}
+
+func (c DynamicClient) Get(ctx context.Context, gvr schema.GroupVersionResource, namespace, name string) (*unstructured.Unstructured, error) {
+	return c.client.Resource(gvr).Namespace(namespace).Get(ctx, name, metav1.GetOptions{})
+}
+
+func (c DynamicClient) List(ctx context.Context, gvr schema.GroupVersionResource, namespace string) (*unstructured.UnstructuredList, error) {
+	return c.client.Resource(gvr).Namespace(namespace).List(ctx, metav1.ListOptions{})
+}
+
+func (c DynamicClient) Create(ctx context.Context, gvr schema.GroupVersionResource, namespace string, obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
+	return c.client.Resource(gvr).Namespace(namespace).Create(ctx, obj, metav1.CreateOptions{})
+}
+
+func (c DynamicClient) Delete(ctx context.Context, gvr schema.GroupVersionResource, namespace, name string) (*unstructured.Unstructured, error) {
+	result, err := c.client.Resource(gvr).Namespace(namespace).Get(ctx, name, metav1.GetOptions{})
+	if err != nil {
+		return nil, err
+	}
+	err = c.client.Resource(gvr).Namespace(namespace).Delete(ctx, name, metav1.DeleteOptions{})
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (c DynamicClient) Update(ctx context.Context, gvr schema.GroupVersionResource, namespace string,
+	obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
+	return c.client.Resource(gvr).Namespace(namespace).Update(ctx, obj, metav1.UpdateOptions{})
+}