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Add Status API support with BackOffLimit API
Signed-off-by: souravbiswassanto <[email protected]>
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Original file line number | Diff line number | Diff line change |
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/* | ||
Copyright AppsCode Inc. and Contributors. | ||
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. | ||
*/ | ||
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package apps | ||
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import ( | ||
"context" | ||
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appsv1alpha1 "kubeops.dev/sidekick/apis/apps/v1alpha1" | ||
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corev1 "k8s.io/api/core/v1" | ||
"k8s.io/apimachinery/pkg/api/errors" | ||
"k8s.io/klog/v2" | ||
cu "kmodules.xyz/client-go/client" | ||
core_util "kmodules.xyz/client-go/core/v1" | ||
ctrl "sigs.k8s.io/controller-runtime" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
) | ||
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func (r *SidekickReconciler) removePodFinalizerIfMarkedForDeletion(ctx context.Context, req ctrl.Request) (bool, error) { | ||
var pod corev1.Pod | ||
err := r.Get(ctx, req.NamespacedName, &pod) | ||
if err != nil && !errors.IsNotFound(err) { | ||
return false, err | ||
} | ||
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if err == nil && pod.DeletionTimestamp != nil { | ||
// Increase the failureCount if the pod was terminated externally | ||
// if the pod was terminated externally, then it will not have | ||
// deletionInitiatorKey set in its annotations | ||
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_, exists := pod.ObjectMeta.Annotations[deletionInitiatorKey] | ||
hash, exists1 := pod.ObjectMeta.Annotations[podHash] | ||
if !exists { | ||
var sk appsv1alpha1.Sidekick | ||
err = r.Get(ctx, req.NamespacedName, &sk) | ||
if err != nil && !errors.IsNotFound(err) { | ||
return false, err | ||
} | ||
// if sidekick is not found or it is in deletion state, | ||
// ignore updating failureCount in this case | ||
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if err == nil && sk.DeletionTimestamp == nil && exists1 { | ||
if sk.Status.FailureCount == nil { | ||
sk.Status.FailureCount = make(map[string]bool) | ||
} | ||
sk.Status.FailureCount[hash] = true | ||
err = r.updateSidekickStatus(ctx, &sk) | ||
if err != nil && !errors.IsNotFound(err) { | ||
return false, err | ||
} | ||
} | ||
} | ||
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// removing finalizer, the reason behind adding this finalizer is stated below | ||
// where we created the pod | ||
if core_util.HasFinalizer(pod.ObjectMeta, getFinalizerName()) { | ||
err = r.removePodFinalizer(ctx, &pod) | ||
if err != nil { | ||
return false, err | ||
} | ||
return true, nil | ||
} | ||
} | ||
return false, nil | ||
} | ||
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func (r *SidekickReconciler) deletePod(ctx context.Context, pod *corev1.Pod) error { | ||
err := r.setDeletionInitiatorAnnotation(ctx, pod) | ||
if err != nil { | ||
return err | ||
} | ||
return r.Delete(ctx, pod) | ||
} | ||
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func getContainerRestartCounts(pod *corev1.Pod) int32 { | ||
restartCounter := int32(0) | ||
for _, cs := range pod.Status.ContainerStatuses { | ||
restartCounter += cs.RestartCount | ||
} | ||
for _, ics := range pod.Status.InitContainerStatuses { | ||
restartCounter += ics.RestartCount | ||
} | ||
return restartCounter | ||
} | ||
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func getTotalContainerRestartCounts(sidekick *appsv1alpha1.Sidekick) int32 { | ||
totalContainerRestartCount := int32(0) | ||
for _, value := range sidekick.Status.ContainerRestartCountsPerPod { | ||
totalContainerRestartCount += value | ||
} | ||
return totalContainerRestartCount | ||
} | ||
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func (r *SidekickReconciler) setDeletionInitiatorAnnotation(ctx context.Context, pod *corev1.Pod) error { | ||
_, err := cu.CreateOrPatch(ctx, r.Client, pod, | ||
func(in client.Object, createOp bool) client.Object { | ||
po := in.(*corev1.Pod) | ||
po.ObjectMeta.Annotations[deletionInitiatorKey] = deletionInitiatesBySidekickOperator | ||
return po | ||
}, | ||
) | ||
klog.Infoln("pod annotation set: ", pod.Annotations) | ||
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return err | ||
} | ||
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func (r *SidekickReconciler) removePodFinalizer(ctx context.Context, pod *corev1.Pod) error { | ||
_, err := cu.CreateOrPatch(ctx, r.Client, pod, | ||
func(in client.Object, createOp bool) client.Object { | ||
po := in.(*corev1.Pod) | ||
po.ObjectMeta = core_util.RemoveFinalizer(po.ObjectMeta, getFinalizerName()) | ||
return po | ||
}, | ||
) | ||
return client.IgnoreNotFound(err) | ||
} |
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