mirror of
https://github.com/k3s-io/kubernetes.git
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64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
/*
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Copyright 2018 The Kubernetes 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 pod
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import (
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"encoding/json"
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"fmt"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/strategicpatch"
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clientset "k8s.io/client-go/kubernetes"
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)
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// PatchPodStatus patches pod status.
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func PatchPodStatus(c clientset.Interface, namespace, name string, oldPodStatus, newPodStatus v1.PodStatus) (*v1.Pod, []byte, error) {
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patchBytes, err := preparePatchBytesforPodStatus(namespace, name, oldPodStatus, newPodStatus)
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if err != nil {
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return nil, nil, err
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}
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updatedPod, err := c.CoreV1().Pods(namespace).Patch(name, types.StrategicMergePatchType, patchBytes, "status")
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if err != nil {
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return nil, nil, fmt.Errorf("failed to patch status %q for pod %q/%q: %v", patchBytes, namespace, name, err)
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}
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return updatedPod, patchBytes, nil
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}
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func preparePatchBytesforPodStatus(namespace, name string, oldPodStatus, newPodStatus v1.PodStatus) ([]byte, error) {
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oldData, err := json.Marshal(v1.Pod{
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Status: oldPodStatus,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to Marshal oldData for pod %q/%q: %v", namespace, name, err)
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}
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newData, err := json.Marshal(v1.Pod{
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Status: newPodStatus,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to Marshal newData for pod %q/%q: %v", namespace, name, err)
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}
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patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, v1.Pod{})
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if err != nil {
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return nil, fmt.Errorf("failed to CreateTwoWayMergePatch for pod %q/%q: %v", namespace, name, err)
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}
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return patchBytes, nil
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}
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