mirror of
https://github.com/alibaba/higress.git
synced 2026-02-24 20:50:51 +08:00
141 lines
3.9 KiB
Go
141 lines
3.9 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 hgctl
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import (
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/alibaba/higress/hgctl/pkg/helm"
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"github.com/alibaba/higress/hgctl/pkg/installer"
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"github.com/alibaba/higress/hgctl/pkg/util"
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"github.com/alibaba/higress/pkg/cmd/options"
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"github.com/spf13/cobra"
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)
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type uninstallArgs struct {
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// purgeResources delete all of installed resources.
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purgeResources bool
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}
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func addUninstallFlags(cmd *cobra.Command, args *uninstallArgs) {
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cmd.PersistentFlags().BoolVarP(&args.purgeResources, "purge-resources", "", false,
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"Delete all of IstioAPI,GatewayAPI resources")
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}
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// newUninstallCmd command uninstalls Istio from a cluster
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func newUninstallCmd() *cobra.Command {
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uiArgs := &uninstallArgs{}
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uninstallCmd := &cobra.Command{
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Use: "uninstall",
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Short: "Uninstall higress from a cluster",
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Long: "The uninstall command uninstalls higress from a cluster or local environment",
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Example: `# Uninstall higress
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hgctl uninstal
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# Uninstall higress, istioAPI and GatewayAPI from a cluster
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hgctl uninstall --purge-resources
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`,
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RunE: func(cmd *cobra.Command, args []string) error {
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return uninstall(cmd.OutOrStdout(), uiArgs)
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},
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}
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addUninstallFlags(uninstallCmd, uiArgs)
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flags := uninstallCmd.Flags()
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options.AddKubeConfigFlags(flags)
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return uninstallCmd
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}
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// uninstall uninstalls control plane by either pruning by target revision or deleting specified manifests.
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func uninstall(writer io.Writer, uiArgs *uninstallArgs) error {
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fmt.Fprintf(writer, "⌛️ Checking higress installed profiles...\n")
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profileContexts, _ := getAllProfiles()
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if len(profileContexts) == 0 {
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fmt.Fprintf(writer, "\nHigress hasn't been installed yet!\n")
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return nil
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}
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setFlags := make([]string, 0)
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profileContext := promptProfileContexts(writer, profileContexts)
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_, profile, err := helm.GenProfileFromProfileContent(util.ToYAML(profileContext.Profile), "", setFlags)
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if err != nil {
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return err
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}
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fmt.Fprintf(writer, "\n🧐 Validating Profile: \"%s\" \n", profileContext.PathOrName)
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err = profile.Validate()
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if err != nil {
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return err
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}
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if !promptUninstall(writer) {
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return nil
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}
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if profile.Global.Install == helm.InstallK8s || profile.Global.Install == helm.InstallLocalK8s {
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if profile.Global.EnableIstioAPI {
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profile.Global.EnableIstioAPI = uiArgs.purgeResources
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}
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if profile.Global.EnableGatewayAPI {
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profile.Global.EnableGatewayAPI = uiArgs.purgeResources
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}
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}
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err = uninstallManifests(profile, writer, uiArgs)
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if err != nil {
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return err
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}
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// Remove "~/.hgctl/profiles/install.yaml"
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if oldProfileName, isExisted := installer.GetInstalledYamlPath(); isExisted {
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_ = os.Remove(oldProfileName)
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}
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return nil
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}
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func promptUninstall(writer io.Writer) bool {
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answer := ""
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for {
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fmt.Fprintf(writer, "All Higress resources will be uninstalled from the cluster. \nProceed? (y/N)")
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fmt.Scanln(&answer)
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if strings.TrimSpace(answer) == "y" {
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fmt.Fprintf(writer, "\n")
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return true
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}
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if strings.TrimSpace(answer) == "N" {
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fmt.Fprintf(writer, "Cancelled.\n")
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return false
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}
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}
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}
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func uninstallManifests(profile *helm.Profile, writer io.Writer, uiArgs *uninstallArgs) error {
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installer, err := installer.NewInstaller(profile, writer, false, false, installer.UninstallInstallerMode)
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if err != nil {
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return err
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}
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err = installer.UnInstall()
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if err != nil {
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return err
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}
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return nil
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}
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