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110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
/*
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Copyright 2020 The Flux CD contributors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package main
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import (
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"context"
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"fmt"
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"github.com/manifoldco/promptui"
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"github.com/spf13/cobra"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1alpha1"
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sourcev1 "github.com/fluxcd/source-controller/api/v1alpha1"
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)
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var uninstallCmd = &cobra.Command{
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Use: "uninstall",
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Short: "Uninstall the toolkit components",
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Long: "The uninstall command removes the namespace, cluster roles, cluster role bindings and CRDs from the cluster.",
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Example: ` # Dry-run uninstall of all components
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gotk uninstall --dry-run --namespace=gitops-system
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# Uninstall all components and delete custom resource definitions
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gotk uninstall --resources --crds --namespace=gitops-system
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`,
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RunE: uninstallCmdRun,
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}
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var (
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uninstallCRDs bool
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uninstallResources bool
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uninstallDryRun bool
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uninstallSilent bool
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)
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func init() {
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uninstallCmd.Flags().BoolVar(&uninstallResources, "resources", false,
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"removes custom resources such as Kustomizations, GitRepositories and HelmRepositories")
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uninstallCmd.Flags().BoolVar(&uninstallCRDs, "crds", false,
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"removes all CRDs previously installed")
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uninstallCmd.Flags().BoolVar(&uninstallDryRun, "dry-run", false,
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"only print the object that would be deleted")
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uninstallCmd.Flags().BoolVarP(&uninstallSilent, "silent", "s", false,
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"delete components without asking for confirmation")
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rootCmd.AddCommand(uninstallCmd)
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}
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func uninstallCmdRun(cmd *cobra.Command, args []string) error {
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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dryRun := ""
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if uninstallDryRun {
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dryRun = "--dry-run=client"
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} else if !uninstallSilent {
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prompt := promptui.Prompt{
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Label: fmt.Sprintf("Are you sure you want to delete the %s namespace", namespace),
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IsConfirm: true,
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}
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if _, err := prompt.Run(); err != nil {
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return fmt.Errorf("aborting")
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}
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}
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if uninstallResources {
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logger.Actionf("uninstalling custom resources")
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for _, kind := range []string{
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kustomizev1.KustomizationKind,
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sourcev1.GitRepositoryKind,
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sourcev1.HelmRepositoryKind,
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} {
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command := fmt.Sprintf("kubectl -n %s delete %s --all --timeout=%s %s",
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namespace, kind, timeout.String(), dryRun)
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if _, err := utils.execCommand(ctx, ModeOS, command); err != nil {
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return fmt.Errorf("uninstall failed")
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}
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}
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}
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kinds := "namespace,clusterroles,clusterrolebindings"
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if uninstallCRDs {
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kinds += ",crds"
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}
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logger.Actionf("uninstalling components")
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command := fmt.Sprintf("kubectl delete %s -l app.kubernetes.io/instance=%s --timeout=%s %s",
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kinds, namespace, timeout.String(), dryRun)
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if _, err := utils.execCommand(ctx, ModeOS, command); err != nil {
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return fmt.Errorf("uninstall failed")
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}
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logger.Successf("uninstall finished")
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return nil
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}
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