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