mirror of https://github.com/fluxcd/flux2.git
Philip Laine
3 years ago
committed by
GitHub
commit
cc3f2c7bde
@ -0,0 +1,341 @@
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/*
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Copyright 2022 The Flux authors
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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 uninstall
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import (
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"context"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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networkingv1 "k8s.io/api/networking/v1"
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rbacv1 "k8s.io/api/rbac/v1"
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apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/fluxcd/flux2/pkg/log"
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"github.com/fluxcd/flux2/pkg/manifestgen"
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helmv2 "github.com/fluxcd/helm-controller/api/v2beta1"
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autov1 "github.com/fluxcd/image-automation-controller/api/v1beta1"
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imagev1 "github.com/fluxcd/image-reflector-controller/api/v1beta1"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
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notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
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sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
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)
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// Components removes all Kubernetes components that are part of Flux excluding the CRDs and namespace.
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func Components(ctx context.Context, logger log.Logger, kubeClient client.Client, namespace string, dryRun bool) {
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opts, dryRunStr := getDeleteOptions(dryRun)
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selector := client.MatchingLabels{manifestgen.PartOfLabelKey: manifestgen.PartOfLabelValue}
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{
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var list appsv1.DeploymentList
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if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("Deployment/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("Deployment/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list corev1.ServiceList
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if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("Service/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("Service/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list networkingv1.NetworkPolicyList
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if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("NetworkPolicy/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("NetworkPolicy/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list corev1.ServiceAccountList
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if err := kubeClient.List(ctx, &list, client.InNamespace(namespace), selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("ServiceAccount/%s/%s deletion failed: %s", r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("ServiceAccount/%s/%s deleted %s", r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list rbacv1.ClusterRoleList
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if err := kubeClient.List(ctx, &list, selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("ClusterRole/%s deletion failed: %s", r.Name, err.Error())
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} else {
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logger.Successf("ClusterRole/%s deleted %s", r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list rbacv1.ClusterRoleBindingList
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if err := kubeClient.List(ctx, &list, selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("ClusterRoleBinding/%s deletion failed: %s", r.Name, err.Error())
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} else {
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logger.Successf("ClusterRoleBinding/%s deleted %s", r.Name, dryRunStr)
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}
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}
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}
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}
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}
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// Finalizers removes all finalizes on Kubernetes components that have been added by a Flux controller.
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func Finalizers(ctx context.Context, logger log.Logger, kubeClient client.Client, dryRun bool) {
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opts, dryRunStr := getUpdateOptions(dryRun)
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{
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var list sourcev1.GitRepositoryList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list sourcev1.OCIRepositoryList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list sourcev1.HelmRepositoryList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list sourcev1.HelmChartList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list sourcev1.BucketList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list kustomizev1.KustomizationList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list helmv2.HelmReleaseList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list notificationv1.AlertList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list notificationv1.ProviderList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list notificationv1.ReceiverList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list imagev1.ImagePolicyList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list imagev1.ImageRepositoryList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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{
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var list autov1.ImageUpdateAutomationList
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if err := kubeClient.List(ctx, &list, client.InNamespace("")); err == nil {
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for _, r := range list.Items {
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r.Finalizers = []string{}
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if err := kubeClient.Update(ctx, &r, opts); err != nil {
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logger.Failuref("%s/%s/%s removing finalizers failed: %s", r.Kind, r.Namespace, r.Name, err.Error())
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} else {
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logger.Successf("%s/%s/%s finalizers deleted %s", r.Kind, r.Namespace, r.Name, dryRunStr)
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}
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}
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}
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}
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}
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// CustomResourceDefinitions removes all Kubernetes CRDs that are a part of Flux.
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func CustomResourceDefinitions(ctx context.Context, logger log.Logger, kubeClient client.Client, dryRun bool) {
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opts, dryRunStr := getDeleteOptions(dryRun)
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selector := client.MatchingLabels{manifestgen.PartOfLabelKey: manifestgen.PartOfLabelValue}
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{
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var list apiextensionsv1.CustomResourceDefinitionList
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if err := kubeClient.List(ctx, &list, selector); err == nil {
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for _, r := range list.Items {
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if err := kubeClient.Delete(ctx, &r, opts); err != nil {
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logger.Failuref("CustomResourceDefinition/%s deletion failed: %s", r.Name, err.Error())
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} else {
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logger.Successf("CustomResourceDefinition/%s deleted %s", r.Name, dryRunStr)
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}
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}
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}
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}
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}
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// Namespace removes the namespace Flux is installed in.
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func Namespace(ctx context.Context, logger log.Logger, kubeClient client.Client, namespace string, dryRun bool) {
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opts, dryRunStr := getDeleteOptions(dryRun)
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ns := corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace}}
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if err := kubeClient.Delete(ctx, &ns, opts); err != nil {
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logger.Failuref("Namespace/%s deletion failed: %s", namespace, err.Error())
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} else {
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logger.Successf("Namespace/%s deleted %s", namespace, dryRunStr)
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}
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}
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func getDeleteOptions(dryRun bool) (*client.DeleteOptions, string) {
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opts := &client.DeleteOptions{}
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var dryRunStr string
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if dryRun {
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client.DryRunAll.ApplyToDelete(opts)
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dryRunStr = "(dry run)"
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}
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return opts, dryRunStr
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}
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func getUpdateOptions(dryRun bool) (*client.UpdateOptions, string) {
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opts := &client.UpdateOptions{}
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var dryRunStr string
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if dryRun {
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client.DryRunAll.ApplyToUpdate(opts)
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dryRunStr = "(dry run)"
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}
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return opts, dryRunStr
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}
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Reference in New Issue