238 lines
7.3 KiB
Go
238 lines
7.3 KiB
Go
/*
|
|
Copyright 2019 The KubeSphere 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 namespace
|
|
|
|
import (
|
|
"context"
|
|
appsv1 "k8s.io/api/apps/v1"
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/api/errors"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/klog"
|
|
"kubesphere.io/kubesphere/pkg/apis/tenant/v1alpha1"
|
|
"kubesphere.io/kubesphere/pkg/constants"
|
|
"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
|
|
"kubesphere.io/kubesphere/pkg/utils/sliceutil"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"sigs.k8s.io/controller-runtime/pkg/controller"
|
|
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
|
|
"sigs.k8s.io/controller-runtime/pkg/handler"
|
|
"sigs.k8s.io/controller-runtime/pkg/manager"
|
|
"sigs.k8s.io/controller-runtime/pkg/reconcile"
|
|
"sigs.k8s.io/controller-runtime/pkg/source"
|
|
)
|
|
|
|
/**
|
|
* USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
|
|
* business logic. Delete these comments after modifying this file.*
|
|
*/
|
|
|
|
// Add creates a new Namespace Controller and adds it to the Manager with default RBAC. The Manager will set fields on the Controller
|
|
// and Start it when the Manager is Started.
|
|
func Add(mgr manager.Manager, openpitrixClient openpitrix.Client) error {
|
|
return add(mgr, newReconciler(mgr, openpitrixClient))
|
|
}
|
|
|
|
// newReconciler returns a new reconcile.Reconciler
|
|
func newReconciler(mgr manager.Manager, openpitrixClient openpitrix.Client) reconcile.Reconciler {
|
|
return &ReconcileNamespace{
|
|
Client: mgr.GetClient(),
|
|
scheme: mgr.GetScheme(),
|
|
openpitrixClient: openpitrixClient,
|
|
}
|
|
}
|
|
|
|
// add adds a new Controller to mgr with r as the reconcile.Reconciler
|
|
func add(mgr manager.Manager, r reconcile.Reconciler) error {
|
|
// Create a new controller
|
|
c, err := controller.New("namespace-controller", mgr, controller.Options{Reconciler: r})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Watch for changes to Namespace
|
|
err = c.Watch(&source.Kind{Type: &corev1.Namespace{}}, &handler.EnqueueRequestForObject{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
var _ reconcile.Reconciler = &ReconcileNamespace{}
|
|
|
|
// ReconcileNamespace reconciles a Namespace object
|
|
type ReconcileNamespace struct {
|
|
client.Client
|
|
openpitrixClient openpitrix.Client
|
|
scheme *runtime.Scheme
|
|
}
|
|
|
|
// Reconcile reads that state of the cluster for a Namespace object and makes changes based on the state read
|
|
// and what is in the Namespace.Spec
|
|
// +kubebuilder:rbac:groups=core.kubesphere.io,resources=namespaces,verbs=get;list;watch;create;update;patch;delete
|
|
// +kubebuilder:rbac:groups=core.kubesphere.io,resources=namespaces/status,verbs=get;update;patch
|
|
func (r *ReconcileNamespace) Reconcile(request reconcile.Request) (reconcile.Result, error) {
|
|
// Fetch the Namespace instance
|
|
instance := &corev1.Namespace{}
|
|
err := r.Get(context.TODO(), request.NamespacedName, instance)
|
|
if err != nil {
|
|
if errors.IsNotFound(err) {
|
|
// Object not found, return. Created objects are automatically garbage collected.
|
|
// For additional cleanup logic use finalizers.
|
|
// The object is being deleted
|
|
// our finalizer is present, so lets handle our external dependency
|
|
return reconcile.Result{}, nil
|
|
}
|
|
// Error reading the object - requeue the request.
|
|
return reconcile.Result{}, err
|
|
}
|
|
|
|
// name of your custom finalizer
|
|
finalizer := "finalizers.kubesphere.io/namespaces"
|
|
|
|
if instance.ObjectMeta.DeletionTimestamp.IsZero() {
|
|
// The object is not being deleted, so if it does not have our finalizer,
|
|
// then lets add the finalizer and update the object.
|
|
if !sliceutil.HasString(instance.ObjectMeta.Finalizers, finalizer) {
|
|
instance.ObjectMeta.Finalizers = append(instance.ObjectMeta.Finalizers, finalizer)
|
|
if instance.Labels == nil {
|
|
instance.Labels = make(map[string]string)
|
|
}
|
|
instance.Labels[constants.NamespaceLabelKey] = instance.Name
|
|
if err := r.Update(context.Background(), instance); err != nil {
|
|
return reconcile.Result{}, err
|
|
}
|
|
}
|
|
} else {
|
|
// The object is being deleted
|
|
if sliceutil.HasString(instance.ObjectMeta.Finalizers, finalizer) {
|
|
if err = r.deleteRouter(instance.Name); err != nil {
|
|
return reconcile.Result{}, err
|
|
}
|
|
|
|
// remove our finalizer from the list and update it.
|
|
instance.ObjectMeta.Finalizers = sliceutil.RemoveString(instance.ObjectMeta.Finalizers, func(item string) bool {
|
|
return item == finalizer
|
|
})
|
|
|
|
if err := r.Update(context.Background(), instance); err != nil {
|
|
return reconcile.Result{}, err
|
|
}
|
|
}
|
|
|
|
// Our finalizer has finished, so the reconciler can do nothing.
|
|
return reconcile.Result{}, nil
|
|
}
|
|
|
|
if err = r.checkAndBindWorkspace(instance); err != nil {
|
|
return reconcile.Result{}, err
|
|
}
|
|
|
|
return reconcile.Result{}, nil
|
|
}
|
|
|
|
func (r *ReconcileNamespace) isControlledByWorkspace(namespace *corev1.Namespace) (bool, error) {
|
|
|
|
workspaceName := namespace.Labels[constants.WorkspaceLabelKey]
|
|
|
|
// without workspace label
|
|
if workspaceName == "" {
|
|
return false, nil
|
|
}
|
|
|
|
return true, nil
|
|
}
|
|
|
|
func (r *ReconcileNamespace) checkAndBindWorkspace(namespace *corev1.Namespace) error {
|
|
|
|
workspaceName := namespace.Labels[constants.WorkspaceLabelKey]
|
|
|
|
if workspaceName == "" {
|
|
return nil
|
|
}
|
|
|
|
workspace := &v1alpha1.Workspace{}
|
|
|
|
err := r.Get(context.TODO(), types.NamespacedName{Name: workspaceName}, workspace)
|
|
|
|
if err != nil {
|
|
// skip if workspace not found
|
|
if errors.IsNotFound(err) {
|
|
return nil
|
|
}
|
|
klog.Errorf("bind workspace namespace: %s, workspace: %s, error: %s", namespace.Name, workspaceName, err)
|
|
return err
|
|
}
|
|
|
|
if !metav1.IsControlledBy(namespace, workspace) {
|
|
if err := controllerutil.SetControllerReference(workspace, namespace, r.scheme); err != nil {
|
|
klog.Errorf("bind workspace namespace: %s, workspace: %s, error: %s", namespace.Name, workspaceName, err)
|
|
return err
|
|
}
|
|
err = r.Update(context.TODO(), namespace)
|
|
if err != nil {
|
|
klog.Errorf("bind workspace namespace: %s, workspace: %s, error: %s", namespace.Name, workspaceName, err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *ReconcileNamespace) deleteRouter(namespace string) error {
|
|
routerName := constants.IngressControllerPrefix + namespace
|
|
|
|
// delete service first
|
|
found := corev1.Service{}
|
|
err := r.Get(context.TODO(), types.NamespacedName{Namespace: constants.IngressControllerNamespace, Name: routerName}, &found)
|
|
if err != nil {
|
|
if errors.IsNotFound(err) {
|
|
return nil
|
|
}
|
|
klog.Error(err)
|
|
}
|
|
|
|
err = r.Delete(context.TODO(), &found)
|
|
if err != nil {
|
|
klog.Error(err)
|
|
return err
|
|
}
|
|
|
|
// delete deployment
|
|
deploy := appsv1.Deployment{}
|
|
err = r.Get(context.TODO(), types.NamespacedName{Namespace: constants.IngressControllerNamespace, Name: routerName}, &deploy)
|
|
if err != nil {
|
|
if errors.IsNotFound(err) {
|
|
return nil
|
|
}
|
|
klog.Error(err)
|
|
return err
|
|
}
|
|
|
|
err = r.Delete(context.TODO(), &deploy)
|
|
if err != nil {
|
|
klog.Error(err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|