118 lines
4.7 KiB
Go
118 lines
4.7 KiB
Go
/*
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Copyright 2021 The Karmada 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 ctrlutil
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import (
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"context"
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"encoding/json"
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/util/retry"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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workv1alpha1 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha1"
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
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"github.com/karmada-io/karmada/pkg/resourceinterpreter/default/native/prune"
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"github.com/karmada-io/karmada/pkg/util"
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"github.com/karmada-io/karmada/pkg/util/helper"
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)
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// CreateOrUpdateWork creates a Work object if not exist, or updates if it already exists.
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func CreateOrUpdateWork(ctx context.Context, c client.Client, workMeta metav1.ObjectMeta, resource *unstructured.Unstructured, options ...WorkOption) error {
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resource = resource.DeepCopy()
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if workMeta.Labels[util.PropagationInstruction] != util.PropagationInstructionSuppressed {
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// set labels
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util.MergeLabel(resource, util.ManagedByKarmadaLabel, util.ManagedByKarmadaLabelValue)
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// set annotations
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util.MergeAnnotation(resource, workv1alpha2.ResourceTemplateUIDAnnotation, string(resource.GetUID()))
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util.MergeAnnotation(resource, workv1alpha2.WorkNameAnnotation, workMeta.Name)
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util.MergeAnnotation(resource, workv1alpha2.WorkNamespaceAnnotation, workMeta.Namespace)
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if conflictResolution, ok := workMeta.GetAnnotations()[workv1alpha2.ResourceConflictResolutionAnnotation]; ok {
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util.MergeAnnotation(resource, workv1alpha2.ResourceConflictResolutionAnnotation, conflictResolution)
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}
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}
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// Do the same thing as the mutating webhook does, remove the irrelevant fields for the resource.
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// This is to avoid unnecessary updates to the Work object, especially when controller starts.
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err := prune.RemoveIrrelevantFields(resource, prune.RemoveJobTTLSeconds)
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if err != nil {
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klog.Errorf("Failed to prune irrelevant fields for resource %s/%s. Error: %v", resource.GetNamespace(), resource.GetName(), err)
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return err
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}
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work := &workv1alpha1.Work{
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ObjectMeta: workMeta,
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}
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applyWorkOptions(work, options)
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runtimeObject := work.DeepCopy()
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var operationResult controllerutil.OperationResult
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err = retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
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operationResult, err = controllerutil.CreateOrUpdate(ctx, c, runtimeObject, func() error {
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if !runtimeObject.DeletionTimestamp.IsZero() {
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return fmt.Errorf("work %s/%s is being deleted", runtimeObject.GetNamespace(), runtimeObject.GetName())
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}
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runtimeObject.Labels = util.DedupeAndMergeLabels(runtimeObject.Labels, work.Labels)
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runtimeObject.Annotations = util.DedupeAndMergeAnnotations(runtimeObject.Annotations, work.Annotations)
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runtimeObject.Finalizers = work.Finalizers
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runtimeObject.Spec = work.Spec
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// Do the same thing as the mutating webhook does, add the permanent ID to workload if not exist,
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// This is to avoid unnecessary updates to the Work object, especially when controller starts.
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if runtimeObject.Labels[util.PropagationInstruction] != util.PropagationInstructionSuppressed {
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helper.SetLabelsAndAnnotationsForWorkload(resource, runtimeObject)
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}
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workloadJSON, err := json.Marshal(resource)
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if err != nil {
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klog.Errorf("Failed to marshal workload(%s/%s), error: %v", resource.GetNamespace(), resource.GetName(), err)
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return err
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}
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runtimeObject.Spec.Workload = workv1alpha1.WorkloadTemplate{
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Manifests: []workv1alpha1.Manifest{
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{
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RawExtension: runtime.RawExtension{
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Raw: workloadJSON,
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},
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},
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},
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}
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return nil
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})
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return err
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})
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if err != nil {
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klog.Errorf("Failed to create/update work %s/%s. Error: %v", work.GetNamespace(), work.GetName(), err)
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return err
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}
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if operationResult == controllerutil.OperationResultCreated {
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klog.V(2).Infof("Create work %s/%s successfully.", work.GetNamespace(), work.GetName())
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} else if operationResult == controllerutil.OperationResultUpdated {
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klog.V(2).Infof("Update work %s/%s successfully.", work.GetNamespace(), work.GetName())
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} else {
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klog.V(2).Infof("Work %s/%s is up to date.", work.GetNamespace(), work.GetName())
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}
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return nil
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}
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