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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| Copyright 2020 The Karmada 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 utils | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "k8s.io/apimachinery/pkg/api/meta" | ||
| "k8s.io/client-go/util/retry" | ||
| "k8s.io/klog/v2" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
|
|
||
| "github.com/karmada-io/karmada/pkg/util/helper" | ||
|
|
||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
||
| policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1" | ||
| workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2" | ||
| ) | ||
|
|
||
| func restrictFailoverHistoryInfo(binding *workv1alpha2.ResourceBinding) bool { | ||
| placement := binding.Spec.Placement | ||
| // Check if replica scheduling type is Duplicated | ||
| if placement.ReplicaScheduling.ReplicaSchedulingType == policyv1alpha1.ReplicaSchedulingTypeDuplicated { | ||
| return true | ||
| } | ||
|
|
||
| // Check if replica scheduling type is Divided with no spread constraints or invalid spread constraints | ||
| if placement.ReplicaScheduling.ReplicaSchedulingType == policyv1alpha1.ReplicaSchedulingTypeDivided { | ||
| if len(placement.SpreadConstraints) == 0 { | ||
| return true | ||
| } | ||
|
|
||
| for _, spreadConstraint := range placement.SpreadConstraints { | ||
| if spreadConstraint.SpreadByLabel != "" { | ||
| return true | ||
| } | ||
| if spreadConstraint.SpreadByField == "cluster" && (spreadConstraint.MaxGroups > 1 || spreadConstraint.MinGroups > 1) { | ||
| return true | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return false | ||
| } | ||
|
|
||
| func UpdateFailoverStatus(client client.Client, binding *workv1alpha2.ResourceBinding, cluster string, failoverType string) (err error) { | ||
| if restrictFailoverHistoryInfo(binding) { | ||
| return nil | ||
| } | ||
| message := fmt.Sprintf("Failover triggered for replica on cluster %s", cluster) | ||
|
|
||
| var reason string | ||
| if failoverType == workv1alpha2.EvictionReasonApplicationFailure { | ||
| reason = "ApplicationFailover" | ||
| } else if failoverType == workv1alpha2.EvictionReasonTaintUntolerated { | ||
| reason = "ClusterFailover" | ||
| } else { | ||
| errMsg := "Invalid failover type passed into updateFailoverStatus" | ||
| klog.Errorf(errMsg) | ||
| return fmt.Errorf(errMsg) | ||
| } | ||
|
|
||
| newFailoverAppliedCondition := metav1.Condition{ | ||
| Type: failoverType, | ||
| Status: metav1.ConditionTrue, | ||
| Reason: reason, | ||
| Message: message, | ||
| LastTransitionTime: metav1.Now(), | ||
| } | ||
|
|
||
| err = retry.RetryOnConflict(retry.DefaultRetry, func() (err error) { | ||
| _, err = helper.UpdateStatus(context.Background(), client, binding, func() error { | ||
| // set binding status with the newest condition | ||
| currentTime := metav1.Now() | ||
| failoverHistoryItem := workv1alpha2.FailoverHistoryItem{ | ||
| FailoverTime: ¤tTime, | ||
| OriginCluster: cluster, | ||
| Reason: reason, | ||
| } | ||
| binding.Status.FailoverHistory = append(binding.Status.FailoverHistory, failoverHistoryItem) | ||
| klog.V(4).Infof("Failover history is %+v", binding.Status.FailoverHistory) | ||
| existingCondition := meta.FindStatusCondition(binding.Status.Conditions, failoverType) | ||
| if existingCondition != nil && newFailoverAppliedCondition.Message == existingCondition.Message { //check | ||
| // SetStatusCondition only updates if new status differs from the old status | ||
| // Update the time here as the status will not change if multiple failovers of the same failoverType occur | ||
| existingCondition.LastTransitionTime = metav1.Now() | ||
| } else { | ||
| meta.SetStatusCondition(&binding.Status.Conditions, newFailoverAppliedCondition) | ||
| } | ||
| klog.V(4).Infof("Removing cluster %s from binding. Remaining clusters are %+v", cluster, binding.Spec.Clusters) | ||
| return nil | ||
| }) | ||
| return err | ||
| }) | ||
|
|
||
| if err != nil { | ||
| klog.Errorf("Failed to update condition of binding %s/%s: %s", binding.Namespace, binding.Name, err.Error()) | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
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