add devops credential controller
Signed-off-by: runzexia <runzexia@yunify.com>
This commit is contained in:
runzexia
284
pkg/controller/devopscredential/devopscredential_controller.go
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284
pkg/controller/devopscredential/devopscredential_controller.go
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@@ -0,0 +1,284 @@
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package devopscredential
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import (
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"fmt"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/wait"
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corev1informer "k8s.io/client-go/informers/core/v1"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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corev1lister "k8s.io/client-go/listers/core/v1"
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"k8s.io/client-go/tools/cache"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/workqueue"
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"k8s.io/klog"
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devopsv1alpha3 "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha3"
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kubesphereclient "kubesphere.io/kubesphere/pkg/client/clientset/versioned"
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"kubesphere.io/kubesphere/pkg/constants"
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devopsClient "kubesphere.io/kubesphere/pkg/simple/client/devops"
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"kubesphere.io/kubesphere/pkg/utils/k8sutil"
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"kubesphere.io/kubesphere/pkg/utils/sliceutil"
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"net/http"
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"reflect"
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"strings"
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"time"
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)
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/**
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DevOps project controller is used to maintain the state of the DevOps project.
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*/
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type Controller struct {
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client clientset.Interface
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kubesphereClient kubesphereclient.Interface
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eventBroadcaster record.EventBroadcaster
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eventRecorder record.EventRecorder
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secretLister corev1lister.SecretLister
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secretSynced cache.InformerSynced
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namespaceLister corev1lister.NamespaceLister
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namespaceSynced cache.InformerSynced
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workqueue workqueue.RateLimitingInterface
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workerLoopPeriod time.Duration
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devopsClient devopsClient.Interface
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}
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func NewController(client clientset.Interface,
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devopsClinet devopsClient.Interface,
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namespaceInformer corev1informer.NamespaceInformer,
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secretInformer corev1informer.SecretInformer) *Controller {
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broadcaster := record.NewBroadcaster()
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broadcaster.StartLogging(func(format string, args ...interface{}) {
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klog.Info(fmt.Sprintf(format, args))
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})
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broadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: client.CoreV1().Events("")})
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recorder := broadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "pipeline-controller"})
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v := &Controller{
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client: client,
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devopsClient: devopsClinet,
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workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "pipeline"),
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secretLister: secretInformer.Lister(),
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secretSynced: secretInformer.Informer().HasSynced,
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namespaceLister: namespaceInformer.Lister(),
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namespaceSynced: namespaceInformer.Informer().HasSynced,
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workerLoopPeriod: time.Second,
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}
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v.eventBroadcaster = broadcaster
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v.eventRecorder = recorder
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secretInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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secret := obj.(*v1.Secret)
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if strings.HasPrefix(string(secret.Type), devopsv1alpha3.DevOpsCredentialPrefix) {
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v.enqueueSecret(obj)
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}
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},
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UpdateFunc: func(oldObj, newObj interface{}) {
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old := oldObj.(*v1.Secret)
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new := newObj.(*v1.Secret)
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if old.ResourceVersion == new.ResourceVersion {
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return
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}
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if strings.HasPrefix(string(new.Type), devopsv1alpha3.DevOpsCredentialPrefix) {
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v.enqueueSecret(newObj)
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}
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},
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DeleteFunc: func(obj interface{}) {
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secret := obj.(*v1.Secret)
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if strings.HasPrefix(string(secret.Type), devopsv1alpha3.DevOpsCredentialPrefix) {
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v.enqueueSecret(obj)
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}
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},
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})
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return v
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}
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// enqueueSecret takes a Foo resource and converts it into a namespace/name
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// string which is then put onto the work workqueue. This method should *not* be
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// passed resources of any type other than DevOpsProject.
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func (c *Controller) enqueueSecret(obj interface{}) {
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var key string
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var err error
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if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
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utilruntime.HandleError(err)
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return
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}
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c.workqueue.Add(key)
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}
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func (c *Controller) processNextWorkItem() bool {
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obj, shutdown := c.workqueue.Get()
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if shutdown {
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return false
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}
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err := func(obj interface{}) error {
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defer c.workqueue.Done(obj)
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var key string
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var ok bool
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if key, ok = obj.(string); !ok {
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c.workqueue.Forget(obj)
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utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
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return nil
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}
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if err := c.syncHandler(key); err != nil {
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c.workqueue.AddRateLimited(key)
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return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
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}
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c.workqueue.Forget(obj)
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klog.V(5).Infof("Successfully synced '%s'", key)
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return nil
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}(obj)
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if err != nil {
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klog.Error(err, "could not reconcile devopsProject")
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utilruntime.HandleError(err)
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return true
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}
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return true
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}
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func (c *Controller) worker() {
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for c.processNextWorkItem() {
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}
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}
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func (c *Controller) Start(stopCh <-chan struct{}) error {
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return c.Run(1, stopCh)
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}
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func (c *Controller) Run(workers int, stopCh <-chan struct{}) error {
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defer utilruntime.HandleCrash()
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defer c.workqueue.ShutDown()
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klog.Info("starting pipeline controller")
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defer klog.Info("shutting down pipeline controller")
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if !cache.WaitForCacheSync(stopCh, c.secretSynced) {
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return fmt.Errorf("failed to wait for caches to sync")
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}
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for i := 0; i < workers; i++ {
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go wait.Until(c.worker, c.workerLoopPeriod, stopCh)
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}
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<-stopCh
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return nil
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}
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// syncHandler compares the actual state with the desired, and attempts to
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// converge the two. It then updates the Status block of the pipeline resource
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// with the current status of the resource.
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func (c *Controller) syncHandler(key string) error {
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nsName, name, err := cache.SplitMetaNamespaceKey(key)
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if err != nil {
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klog.Error(err, fmt.Sprintf("could not split copySecret meta %s ", key))
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return nil
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}
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namespace, err := c.namespaceLister.Get(nsName)
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if err != nil {
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if errors.IsNotFound(err) {
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klog.Info(fmt.Sprintf("namespace '%s' in work queue no longer exists ", key))
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return nil
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}
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klog.Error(err, fmt.Sprintf("could not get namespace %s ", key))
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return err
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}
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if !isDevOpsProjectAdminNamespace(namespace) {
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err := fmt.Errorf("cound not create credential in normal namespaces %s", namespace.Name)
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klog.Warning(err)
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return err
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}
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secret, err := c.secretLister.Secrets(nsName).Get(name)
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if err != nil {
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if errors.IsNotFound(err) {
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klog.Info(fmt.Sprintf("secret '%s' in work queue no longer exists ", key))
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return nil
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}
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klog.Error(err, fmt.Sprintf("could not get secret %s ", key))
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return err
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}
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copySecret := secret.DeepCopy()
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// DeletionTimestamp.IsZero() means copySecret has not been deleted.
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if copySecret.ObjectMeta.DeletionTimestamp.IsZero() {
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// https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#finalizers
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if !sliceutil.HasString(copySecret.ObjectMeta.Finalizers, devopsv1alpha3.CredentialFinalizerName) {
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copySecret.ObjectMeta.Finalizers = append(copySecret.ObjectMeta.Finalizers, devopsv1alpha3.CredentialFinalizerName)
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}
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// Check secret config exists, otherwise we will create it.
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// if secret exists, update config
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_, err := c.devopsClient.GetCredentialInProject(nsName, secret.Name)
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if err != nil && devopsClient.GetDevOpsStatusCode(err) != http.StatusNotFound {
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klog.Error(err, fmt.Sprintf("failed to get secret %s ", key))
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return err
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} else if err != nil {
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_, err := c.devopsClient.CreateCredentialInProject(nsName, copySecret)
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if err != nil {
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klog.Error(err, fmt.Sprintf("failed to create secret %s ", key))
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return err
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}
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} else {
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if _, ok := copySecret.Annotations[devopsv1alpha3.CredentialAutoSyncAnnoKey]; ok {
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_, err := c.devopsClient.UpdateCredentialInProject(nsName, copySecret)
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if err != nil {
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klog.Error(err, fmt.Sprintf("failed to update secret %s ", key))
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return err
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}
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}
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}
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} else {
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// Finalizers processing logic
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if sliceutil.HasString(copySecret.ObjectMeta.Finalizers, devopsv1alpha3.CredentialFinalizerName) {
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_, err := c.devopsClient.GetCredentialInProject(nsName, secret.Name)
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if err != nil && devopsClient.GetDevOpsStatusCode(err) != http.StatusNotFound {
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klog.Error(err, fmt.Sprintf("failed to get secret %s ", key))
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return err
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} else if err != nil && devopsClient.GetDevOpsStatusCode(err) == http.StatusNotFound {
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} else {
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if _, err := c.devopsClient.DeleteCredentialInProject(nsName, secret.Name); err != nil {
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klog.Error(err, fmt.Sprintf("failed to delete secret %s in devops", key))
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return err
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}
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}
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copySecret.ObjectMeta.Finalizers = sliceutil.RemoveString(copySecret.ObjectMeta.Finalizers, func(item string) bool {
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return item == devopsv1alpha3.CredentialFinalizerName
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})
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}
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}
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if !reflect.DeepEqual(secret, copySecret) {
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_, err = c.client.CoreV1().Secrets(nsName).Update(copySecret)
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if err != nil {
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klog.Error(err, fmt.Sprintf("failed to update secret %s ", key))
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return err
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}
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}
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return nil
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}
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func isDevOpsProjectAdminNamespace(namespace *v1.Namespace) bool {
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_, ok := namespace.Labels[constants.DevOpsProjectLabelKey]
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return ok && k8sutil.IsControlledBy(namespace.OwnerReferences,
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devopsv1alpha3.ResourceKindDevOpsProject, "")
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}
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