mirror of
https://github.com/alibaba/higress.git
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feat:add installation for higress standalone in local docker environment (#606)
Co-authored-by: 澄潭 <zty98751@alibaba-inc.com>
This commit is contained in:
Jun
GitHub
299
pkg/cmd/hgctl/installer/installer_k8s.go
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299
pkg/cmd/hgctl/installer/installer_k8s.go
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// 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 installer
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"github.com/alibaba/higress/pkg/cmd/hgctl/helm"
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"github.com/alibaba/higress/pkg/cmd/hgctl/helm/object"
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"github.com/alibaba/higress/pkg/cmd/hgctl/kubernetes"
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"github.com/alibaba/higress/pkg/cmd/hgctl/util"
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)
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type K8sInstaller struct {
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started bool
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components map[ComponentName]Component
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kubeCli kubernetes.CLIClient
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profile *helm.Profile
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writer io.Writer
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}
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func (o *K8sInstaller) Install() error {
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if _, err := GetProfileInstalledPath(); err != nil {
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return err
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}
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if err := o.Run(); err != nil {
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return err
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}
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manifestMap, err := o.RenderManifests()
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if err != nil {
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return err
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}
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fmt.Fprintf(o.writer, "\n⌛️ Processing installation... \n\n")
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if err := o.ApplyManifests(manifestMap); err != nil {
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return err
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}
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profileName, _ := GetInstalledYamlPath()
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fmt.Fprintf(o.writer, "\n✔️ Wrote Profile: \"%s\" \n", profileName)
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if err := util.WriteFileString(profileName, util.ToYAML(o.profile), 0o644); err != nil {
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return err
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}
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fmt.Fprintf(o.writer, "\n🎊 Install All Resources Complete!\n")
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return nil
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}
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func (o *K8sInstaller) UnInstall() error {
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if _, err := GetProfileInstalledPath(); err != nil {
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return err
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}
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if err := o.Run(); err != nil {
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return err
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}
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manifestMap, err := o.RenderManifests()
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if err != nil {
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return err
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}
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fmt.Fprintf(o.writer, "\n⌛️ Processing uninstallation... \n\n")
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if err := o.DeleteManifests(manifestMap); err != nil {
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return err
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}
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profileName, _ := GetInstalledYamlPath()
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fmt.Fprintf(o.writer, "\n✔️ Removed Profile: \"%s\" \n", profileName)
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os.Remove(profileName)
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fmt.Fprintf(o.writer, "\n🎊 Uninstall All Resources Complete!\n")
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return nil
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}
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func (o *K8sInstaller) Upgrade() error {
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return o.Install()
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}
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// Run must be invoked before invoking other functions.
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func (o *K8sInstaller) Run() error {
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for name, component := range o.components {
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if !component.Enabled() {
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continue
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}
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if err := component.Run(); err != nil {
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return fmt.Errorf("component %s run failed, err: %s", name, err)
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}
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}
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o.started = true
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return nil
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}
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// RenderManifests renders component manifests specified by profile.
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func (o *K8sInstaller) RenderManifests() (map[ComponentName]string, error) {
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if !o.started {
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return nil, errors.New("higress installer is not running")
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}
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res := make(map[ComponentName]string)
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for name, component := range o.components {
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if !component.Enabled() {
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continue
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}
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manifest, err := component.RenderManifest()
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if err != nil {
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return nil, fmt.Errorf("component %s RenderManifest err: %v", name, err)
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}
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res[name] = manifest
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}
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return res, nil
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}
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// GenerateManifests generates component manifests to k8s cluster
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func (o *K8sInstaller) GenerateManifests(manifestMap map[ComponentName]string) error {
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if o.kubeCli == nil {
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return errors.New("no injected k8s cli into K8sInstaller")
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}
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for _, manifest := range manifestMap {
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fmt.Fprint(o.writer, manifest)
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}
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return nil
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}
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// ApplyManifests apply component manifests to k8s cluster
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func (o *K8sInstaller) ApplyManifests(manifestMap map[ComponentName]string) error {
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if o.kubeCli == nil {
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return errors.New("no injected k8s cli into K8sInstaller")
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}
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for name, manifest := range manifestMap {
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namespace := o.components[name].Namespace()
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if err := o.applyManifest(manifest, namespace); err != nil {
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return fmt.Errorf("component %s ApplyManifest err: %v", name, err)
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}
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}
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return nil
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}
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func (o *K8sInstaller) applyManifest(manifest string, ns string) error {
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if err := o.kubeCli.CreateNamespace(ns); err != nil {
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return err
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}
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objs, err := object.ParseK8sObjectsFromYAMLManifest(manifest)
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if err != nil {
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return err
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}
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for _, obj := range objs {
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// check namespaced object if namespace property has been existed
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if obj.Namespace == "" && o.isNamespacedObject(obj) {
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obj.Namespace = ns
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obj.UnstructuredObject().SetNamespace(ns)
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}
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if o.isNamespacedObject(obj) {
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fmt.Fprintf(o.writer, "✔️ Installed %s:%s:%s.\n", obj.Kind, obj.Name, obj.Namespace)
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} else {
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fmt.Fprintf(o.writer, "✔️ Installed %s::%s.\n", obj.Kind, obj.Name)
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}
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if err := o.kubeCli.ApplyObject(obj.UnstructuredObject()); err != nil {
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return err
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}
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}
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return nil
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}
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// DeleteManifests delete component manifests to k8s cluster
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func (o *K8sInstaller) DeleteManifests(manifestMap map[ComponentName]string) error {
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if o.kubeCli == nil {
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return errors.New("no injected k8s cli into K8sInstaller")
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}
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for name, manifest := range manifestMap {
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namespace := o.components[name].Namespace()
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if err := o.deleteManifest(manifest, namespace); err != nil {
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return fmt.Errorf("component %s DeleteManifest err: %v", name, err)
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}
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}
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return nil
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}
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// deleteManifest delete manifest to certain namespace
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func (o *K8sInstaller) deleteManifest(manifest string, ns string) error {
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objs, err := object.ParseK8sObjectsFromYAMLManifest(manifest)
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if err != nil {
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return err
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}
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for _, obj := range objs {
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// check namespaced object if namespace property has been existed
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if obj.Namespace == "" && o.isNamespacedObject(obj) {
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obj.Namespace = ns
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obj.UnstructuredObject().SetNamespace(ns)
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}
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if o.isNamespacedObject(obj) {
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fmt.Fprintf(o.writer, "✔️ Removed %s:%s:%s.\n", obj.Kind, obj.Name, obj.Namespace)
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} else {
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fmt.Fprintf(o.writer, "✔️ Removed %s::%s.\n", obj.Kind, obj.Name)
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}
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if err := o.kubeCli.DeleteObject(obj.UnstructuredObject()); err != nil {
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return err
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}
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}
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return nil
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}
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func (o *K8sInstaller) isNamespacedObject(obj *object.K8sObject) bool {
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if obj.Kind != "CustomResourceDefinition" && obj.Kind != "ClusterRole" && obj.Kind != "ClusterRoleBinding" {
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return true
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}
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return false
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}
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func NewK8sInstaller(profile *helm.Profile, cli kubernetes.CLIClient, writer io.Writer, quiet bool) (*K8sInstaller, error) {
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if profile == nil {
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return nil, errors.New("install profile is empty")
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}
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// initialize components
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components := make(map[ComponentName]Component)
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opts := []ComponentOption{
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WithComponentNamespace(profile.Global.Namespace),
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WithComponentChartPath(profile.InstallPackagePath),
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WithComponentVersion(profile.Charts.Higress.Version),
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WithComponentRepoURL(profile.Charts.Higress.Url),
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WithComponentChartName(profile.Charts.Higress.Name),
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}
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if quiet {
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opts = append(opts, WithQuiet())
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}
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higressComponent, err := NewHigressComponent(profile, writer, opts...)
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if err != nil {
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return nil, fmt.Errorf("NewHigressComponent failed, err: %s", err)
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}
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components[Higress] = higressComponent
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if profile.IstioEnabled() {
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istioNamespace := profile.GetIstioNamespace()
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if len(istioNamespace) == 0 {
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istioNamespace = DefaultIstioNamespace
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}
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opts := []ComponentOption{
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WithComponentNamespace(istioNamespace),
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WithComponentVersion("1.18.2"),
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WithComponentRepoURL("embed://istiobase"),
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WithComponentChartName("istio"),
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}
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if quiet {
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opts = append(opts, WithQuiet())
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}
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istioCRDComponent, err := NewIstioCRDComponent(profile, writer, opts...)
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if err != nil {
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return nil, fmt.Errorf("NewIstioCRDComponent failed, err: %s", err)
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}
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components[Istio] = istioCRDComponent
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}
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if profile.GatewayAPIEnabled() {
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opts := []ComponentOption{
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WithComponentNamespace(DefaultGatewayAPINamespace),
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WithComponentVersion("1.0.0"),
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WithComponentRepoURL("embed://gatewayapi"),
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WithComponentChartName("gatewayAPI"),
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}
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if quiet {
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opts = append(opts, WithQuiet())
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}
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gatewayAPIComponent, err := NewGatewayAPIComponent(profile, writer, opts...)
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if err != nil {
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return nil, fmt.Errorf("NewGatewayAPIComponent failed, err: %s", err)
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}
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components[GatewayAPI] = gatewayAPIComponent
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}
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op := &K8sInstaller{
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profile: profile,
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components: components,
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kubeCli: cli,
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writer: writer,
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}
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return op, nil
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}
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