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Collect, restore and cleanup global resources in e2es
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,228 @@ | ||
| package framework | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "path/filepath" | ||
|
|
||
| g "github.com/onsi/ginkgo/v2" | ||
| o "github.com/onsi/gomega" | ||
| "github.com/scylladb/scylla-operator/pkg/gather/collect" | ||
| "github.com/scylladb/scylla-operator/pkg/naming" | ||
| "github.com/scylladb/scylla-operator/pkg/pointer" | ||
| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/api/meta" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| cacheddiscovery "k8s.io/client-go/discovery/cached/memory" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/util/retry" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| type CleanupInterface interface { | ||
| Print(ctx context.Context) | ||
| Collect(ctx context.Context, artifactsDir string, ginkgoNamespace string) | ||
| Cleanup(ctx context.Context) | ||
| } | ||
|
|
||
| type NamespaceCleaner struct { | ||
| Client kubernetes.Interface | ||
| DynamicClient dynamic.Interface | ||
| NS *corev1.Namespace | ||
| } | ||
|
|
||
| var _ CleanupInterface = &NamespaceCleaner{} | ||
|
|
||
| func (nc *NamespaceCleaner) Print(ctx context.Context) { | ||
| // Print events if the test failed. | ||
| if g.CurrentSpecReport().Failed() { | ||
| By(fmt.Sprintf("Collecting events from namespace %q.", nc.NS.Name)) | ||
| DumpEventsInNamespace(ctx, nc.Client, nc.NS.Name) | ||
| } | ||
| } | ||
|
|
||
| func (nc *NamespaceCleaner) Collect(ctx context.Context, artifactsDir string, _ string) { | ||
| By(fmt.Sprintf("Collecting dumps from namespace %q.", nc.NS.Name)) | ||
|
|
||
| err := DumpNamespace(ctx, cacheddiscovery.NewMemCacheClient(nc.Client.Discovery()), nc.DynamicClient, nc.Client.CoreV1(), artifactsDir, nc.NS.Name) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| } | ||
|
|
||
| func (nc *NamespaceCleaner) Cleanup(ctx context.Context) { | ||
| By("Destroying namespace %q.", nc.NS.Name) | ||
| err := nc.Client.CoreV1().Namespaces().Delete( | ||
| ctx, | ||
| nc.NS.Name, | ||
| metav1.DeleteOptions{ | ||
| GracePeriodSeconds: pointer.Ptr[int64](0), | ||
| PropagationPolicy: pointer.Ptr(metav1.DeletePropagationForeground), | ||
| Preconditions: &metav1.Preconditions{ | ||
| UID: &nc.NS.UID, | ||
| }, | ||
| }, | ||
| ) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
|
|
||
| // We have deleted only the namespace object, but it can still be there with deletionTimestamp set. | ||
| By("Waiting for namespace %q to be removed.", nc.NS.Name) | ||
| err = WaitForObjectDeletion(ctx, nc.DynamicClient, corev1.SchemeGroupVersion.WithResource("namespaces"), "", nc.NS.Name, &nc.NS.UID) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| klog.InfoS("Namespace removed.", "Namespace", nc.NS.Name) | ||
| } | ||
|
|
||
| type RestoreStrategy string | ||
|
|
||
| const ( | ||
| RestoreStrategyRecreate RestoreStrategy = "Recreate" | ||
| RestoreStrategyUpdate RestoreStrategy = "Update" | ||
| ) | ||
|
|
||
| type RestoringCleaner struct { | ||
| client kubernetes.Interface | ||
| dynamicClient dynamic.Interface | ||
| resourceInfo collect.ResourceInfo | ||
| object *unstructured.Unstructured | ||
| strategy RestoreStrategy | ||
| } | ||
|
|
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| var _ CleanupInterface = &RestoringCleaner{} | ||
|
|
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| func NewRestoringCleaner(ctx context.Context, client kubernetes.Interface, dynamicClient dynamic.Interface, resourceInfo collect.ResourceInfo, namespace string, name string, strategy RestoreStrategy) *RestoringCleaner { | ||
| g.By(fmt.Sprintf("Snapshotting object %s %q", resourceInfo.Resource, naming.ManualRef(namespace, name))) | ||
|
|
||
| if resourceInfo.Scope.Name() == meta.RESTScopeNameNamespace { | ||
| o.Expect(namespace).NotTo(o.BeEmpty()) | ||
| } | ||
|
|
||
| obj, err := dynamicClient.Resource(resourceInfo.Resource).Namespace(namespace).Get(ctx, name, metav1.GetOptions{}) | ||
| if apierrors.IsNotFound(err) { | ||
| klog.InfoS("No existing object found", "GVR", resourceInfo.Resource, "Instance", naming.ManualRef(namespace, name)) | ||
| obj = &unstructured.Unstructured{ | ||
| Object: map[string]interface{}{}, | ||
| } | ||
| obj.SetNamespace(namespace) | ||
| obj.SetName(name) | ||
| obj.SetUID("") | ||
| } else { | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| klog.InfoS("Snapshotted object", "GVR", resourceInfo.Resource, "Instance", naming.ManualRef(namespace, name), "UID", obj.GetUID()) | ||
| } | ||
|
|
||
| return &RestoringCleaner{ | ||
| client: client, | ||
| dynamicClient: dynamicClient, | ||
| resourceInfo: resourceInfo, | ||
| object: obj, | ||
| strategy: strategy, | ||
| } | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) getCleansedObject() *unstructured.Unstructured { | ||
| obj := rc.object.DeepCopy() | ||
| obj.SetResourceVersion("") | ||
| obj.SetUID("") | ||
| obj.SetCreationTimestamp(metav1.Time{}) | ||
| obj.SetDeletionTimestamp(nil) | ||
| return obj | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) Print(ctx context.Context) {} | ||
|
|
||
| func (rc *RestoringCleaner) Collect(ctx context.Context, clusterArtifactsDir string, ginkgoNamespace string) { | ||
| artifactsDir := clusterArtifactsDir | ||
| if len(artifactsDir) != 0 && rc.resourceInfo.Scope.Name() == meta.RESTScopeNameRoot { | ||
| // We have to prevent global object dumps being overwritten with each "It" block. | ||
| artifactsDir = filepath.Join(artifactsDir, "cluster-scoped-per-ns", ginkgoNamespace) | ||
| } | ||
|
|
||
| By(fmt.Sprintf("Collecting global %s %q for namespace %q.", rc.resourceInfo.Resource, naming.ObjRef(rc.object), ginkgoNamespace)) | ||
|
|
||
| err := DumpResource( | ||
| ctx, | ||
| rc.client.Discovery(), | ||
| rc.dynamicClient, | ||
| rc.client.CoreV1(), | ||
| artifactsDir, | ||
| &rc.resourceInfo, | ||
| rc.object.GetNamespace(), | ||
| rc.object.GetName(), | ||
| ) | ||
| if apierrors.IsNotFound(err) { | ||
| klog.V(2).InfoS("Skipping object collection because it no longer exists", "Ref", naming.ObjRef(rc.object), "Resource", rc.resourceInfo.Resource) | ||
| } else { | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| } | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) DeleteObject(ctx context.Context, ignoreNotFound bool) { | ||
| By("Deleting object %s %q.", rc.resourceInfo.Resource, naming.ObjRef(rc.object)) | ||
| err := rc.dynamicClient.Resource(rc.resourceInfo.Resource).Namespace(rc.object.GetNamespace()).Delete( | ||
| ctx, | ||
| rc.object.GetName(), | ||
| metav1.DeleteOptions{ | ||
| GracePeriodSeconds: pointer.Ptr[int64](0), | ||
| PropagationPolicy: pointer.Ptr(metav1.DeletePropagationForeground), | ||
| }, | ||
| ) | ||
| if apierrors.IsNotFound(err) && ignoreNotFound { | ||
| return | ||
| } | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
|
|
||
| // We have deleted only the object, but it can still be there with deletionTimestamp set. | ||
| By("Waiting for object %s %q to be removed.", rc.resourceInfo.Resource, naming.ObjRef(rc.object)) | ||
| err = WaitForObjectDeletion(ctx, rc.dynamicClient, rc.resourceInfo.Resource, rc.object.GetNamespace(), rc.object.GetName(), nil) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| By("Object %s %q has been removed.", rc.resourceInfo.Resource, naming.ObjRef(rc.object)) | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) RecreateObject(ctx context.Context) { | ||
| rc.DeleteObject(ctx, true) | ||
|
|
||
| _, err := rc.dynamicClient.Resource(rc.resourceInfo.Resource).Namespace(rc.object.GetNamespace()).Create(ctx, rc.getCleansedObject(), metav1.CreateOptions{}) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) ReplaceObject(ctx context.Context) { | ||
| var err error | ||
| err = retry.RetryOnConflict(retry.DefaultRetry, func() error { | ||
| var freshObj *unstructured.Unstructured | ||
| freshObj, err = rc.dynamicClient.Resource(rc.resourceInfo.Resource).Namespace(rc.object.GetNamespace()).Get(ctx, rc.object.GetName(), metav1.GetOptions{}) | ||
| if apierrors.IsNotFound(err) { | ||
| _, err = rc.dynamicClient.Resource(rc.resourceInfo.Resource).Namespace(rc.object.GetNamespace()).Create(ctx, rc.getCleansedObject(), metav1.CreateOptions{}) | ||
| return err | ||
| } | ||
|
|
||
| obj := rc.getCleansedObject() | ||
| obj.SetResourceVersion(freshObj.GetResourceVersion()) | ||
|
|
||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| _, err = rc.dynamicClient.Resource(rc.resourceInfo.Resource).Namespace(obj.GetNamespace()).Update(ctx, obj, metav1.UpdateOptions{}) | ||
| return err | ||
| }) | ||
| o.Expect(err).NotTo(o.HaveOccurred()) | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) RestoreObject(ctx context.Context) { | ||
| By("Restoring original object %s %q.", rc.resourceInfo.Resource, naming.ObjRef(rc.object)) | ||
| switch rc.strategy { | ||
| case RestoreStrategyRecreate: | ||
| rc.RecreateObject(ctx) | ||
| case RestoreStrategyUpdate: | ||
| rc.ReplaceObject(ctx) | ||
| default: | ||
| g.Fail(fmt.Sprintf("unexpected strategy %q", rc.strategy)) | ||
| } | ||
| } | ||
|
|
||
| func (rc *RestoringCleaner) Cleanup(ctx context.Context) { | ||
| if len(rc.object.GetUID()) == 0 { | ||
| rc.DeleteObject(ctx, true) | ||
| return | ||
| } | ||
|
|
||
| rc.RestoreObject(ctx) | ||
| } |
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