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