mirror of https://github.com/fluxcd/flux2.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
408 lines
14 KiB
Go
408 lines
14 KiB
Go
/*
|
|
Copyright 2020 The Flux authors
|
|
|
|
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 main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/manifoldco/promptui"
|
|
"github.com/spf13/cobra"
|
|
appsv1 "k8s.io/api/apps/v1"
|
|
corev1 "k8s.io/api/core/v1"
|
|
networkingv1 "k8s.io/api/networking/v1"
|
|
rbacv1 "k8s.io/api/rbac/v1"
|
|
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
|
|
"github.com/fluxcd/flux2/internal/utils"
|
|
"github.com/fluxcd/flux2/pkg/manifestgen"
|
|
helmv2 "github.com/fluxcd/helm-controller/api/v2beta1"
|
|
autov1 "github.com/fluxcd/image-automation-controller/api/v1beta1"
|
|
imagev1 "github.com/fluxcd/image-reflector-controller/api/v1beta1"
|
|
kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
|
|
notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
|
|
sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
|
|
)
|
|
|
|
var uninstallCmd = &cobra.Command{
|
|
Use: "uninstall",
|
|
Short: "Uninstall Flux and its custom resource definitions",
|
|
Long: "The uninstall command removes the Flux components and the toolkit.fluxcd.io resources from the cluster.",
|
|
Example: ` # Uninstall Flux components, its custom resources and namespace
|
|
flux uninstall --namespace=flux-system
|
|
|
|
# Uninstall Flux but keep the namespace
|
|
flux uninstall --namespace=infra --keep-namespace=true`,
|
|
RunE: uninstallCmdRun,
|
|
}
|
|
|
|
type uninstallFlags struct {
|
|
keepNamespace bool
|
|
dryRun bool
|
|
silent bool
|
|
}
|
|
|
|
var uninstallArgs uninstallFlags
|
|
|
|
func init() {
|
|
uninstallCmd.Flags().BoolVar(&uninstallArgs.keepNamespace, "keep-namespace", false,
|
|
"skip namespace deletion")
|
|
uninstallCmd.Flags().BoolVar(&uninstallArgs.dryRun, "dry-run", false,
|
|
"only print the objects that would be deleted")
|
|
uninstallCmd.Flags().BoolVarP(&uninstallArgs.silent, "silent", "s", false,
|
|
"delete components without asking for confirmation")
|
|
|
|
rootCmd.AddCommand(uninstallCmd)
|
|
}
|
|
|
|
func uninstallCmdRun(cmd *cobra.Command, args []string) error {
|
|
if !uninstallArgs.dryRun && !uninstallArgs.silent {
|
|
prompt := promptui.Prompt{
|
|
Label: "Are you sure you want to delete Flux and its custom resource definitions",
|
|
IsConfirm: true,
|
|
}
|
|
if _, err := prompt.Run(); err != nil {
|
|
return fmt.Errorf("aborting")
|
|
}
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), rootArgs.timeout)
|
|
defer cancel()
|
|
|
|
kubeClient, err := utils.KubeClient(kubeconfigArgs, kubeclientOptions)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
logger.Actionf("deleting components in %s namespace", *kubeconfigArgs.Namespace)
|
|
uninstallComponents(ctx, kubeClient, *kubeconfigArgs.Namespace, uninstallArgs.dryRun)
|
|
|
|
logger.Actionf("deleting toolkit.fluxcd.io finalizers in all namespaces")
|
|
uninstallFinalizers(ctx, kubeClient, uninstallArgs.dryRun)
|
|
|
|
logger.Actionf("deleting toolkit.fluxcd.io custom resource definitions")
|
|
uninstallCustomResourceDefinitions(ctx, kubeClient, uninstallArgs.dryRun)
|
|
|
|
if !uninstallArgs.keepNamespace {
|
|
uninstallNamespace(ctx, kubeClient, *kubeconfigArgs.Namespace, uninstallArgs.dryRun)
|
|
}
|
|
|
|
logger.Successf("uninstall finished")
|
|
return nil
|
|
}
|
|
|
|
func uninstallComponents(ctx context.Context, kubeClient client.Client, namespace string, dryRun bool) {
|
|
opts, dryRunStr := getDeleteOptions(dryRun)
|
|
selector := client.MatchingLabels{manifestgen.PartOfLabelKey: manifestgen.PartOfLabelValue}
|
|
{
|
|
var list appsv1.DeploymentList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("Deployment/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("Deployment/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list corev1.ServiceList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("Service/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("Service/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list networkingv1.NetworkPolicyList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("NetworkPolicy/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("NetworkPolicy/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list corev1.ServiceAccountList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("ServiceAccount/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("ServiceAccount/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list rbacv1.ClusterRoleList
|
|
if err := kubeClient.List(ctx, &list, selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("ClusterRole/%s deletion failed: %s", r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("ClusterRole/%s deleted %s", r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list rbacv1.ClusterRoleBindingList
|
|
if err := kubeClient.List(ctx, &list, selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("ClusterRoleBinding/%s deletion failed: %s", r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("ClusterRoleBinding/%s deleted %s", r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func uninstallFinalizers(ctx context.Context, kubeClient client.Client, dryRun bool) {
|
|
opts, dryRunStr := getUpdateOptions(dryRun)
|
|
{
|
|
var list sourcev1.GitRepositoryList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list sourcev1.OCIRepositoryList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list sourcev1.HelmRepositoryList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list sourcev1.HelmChartList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list sourcev1.BucketList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list kustomizev1.KustomizationList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list helmv2.HelmReleaseList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list notificationv1.AlertList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list notificationv1.ProviderList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list notificationv1.ReceiverList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list imagev1.ImagePolicyList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list imagev1.ImageRepositoryList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
{
|
|
var list autov1.ImageUpdateAutomationList
|
|
if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
|
|
for _, r := range list.Items {
|
|
r.Finalizers = []string{}
|
|
if err := kubeClient.Update(ctx, &r, opts); err != nil {
|
|
logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func uninstallCustomResourceDefinitions(ctx context.Context, kubeClient client.Client, dryRun bool) {
|
|
opts, dryRunStr := getDeleteOptions(dryRun)
|
|
selector := client.MatchingLabels{manifestgen.PartOfLabelKey: manifestgen.PartOfLabelValue}
|
|
{
|
|
var list apiextensionsv1.CustomResourceDefinitionList
|
|
if err := kubeClient.List(ctx, &list, selector); err == nil {
|
|
for _, r := range list.Items {
|
|
if err := kubeClient.Delete(ctx, &r, opts); err != nil {
|
|
logger.Failuref("CustomResourceDefinition/%s deletion failed: %s", r.Name, err.Error())
|
|
} else {
|
|
logger.Successf("CustomResourceDefinition/%s deleted %s", r.Name, dryRunStr)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func uninstallNamespace(ctx context.Context, kubeClient client.Client, namespace string, dryRun bool) {
|
|
opts, dryRunStr := getDeleteOptions(dryRun)
|
|
ns := corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace}}
|
|
if err := kubeClient.Delete(ctx, &ns, opts); err != nil {
|
|
logger.Failuref("Namespace/%s deletion failed: %s", namespace, err.Error())
|
|
} else {
|
|
logger.Successf("Namespace/%s deleted %s", namespace, dryRunStr)
|
|
}
|
|
}
|
|
|
|
func getDeleteOptions(dryRun bool) (*client.DeleteOptions, string) {
|
|
opts := &client.DeleteOptions{}
|
|
var dryRunStr string
|
|
if dryRun {
|
|
client.DryRunAll.ApplyToDelete(opts)
|
|
dryRunStr = "(dry run)"
|
|
}
|
|
|
|
return opts, dryRunStr
|
|
}
|
|
|
|
func getUpdateOptions(dryRun bool) (*client.UpdateOptions, string) {
|
|
opts := &client.UpdateOptions{}
|
|
var dryRunStr string
|
|
if dryRun {
|
|
client.DryRunAll.ApplyToUpdate(opts)
|
|
dryRunStr = "(dry run)"
|
|
}
|
|
|
|
return opts, dryRunStr
|
|
}
|