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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| Copyright 2023 The OpenYurt 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 util | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
|
|
||
| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/runtime/serializer" | ||
| ) | ||
|
|
||
| const ( | ||
| YurtHubAddress = "http://127.0.0.1:10267" | ||
| YurtHubAPIPath = "/pods" | ||
| ) | ||
|
|
||
| func GetPodFromYurtHub(namespace, name string) (*v1.Pod, error) { | ||
| podList, err := GetPodsFromYurtHub(YurtHubAddress + YurtHubAPIPath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for i, pod := range podList.Items { | ||
| if pod.Namespace == namespace && pod.Name == name { | ||
| return &podList.Items[i], nil | ||
| } | ||
| } | ||
|
|
||
| return nil, fmt.Errorf("fail to find pod %s/%s", namespace, name) | ||
| } | ||
|
|
||
| func GetPodsFromYurtHub(url string) (*v1.PodList, error) { | ||
| data, err := getPodsDataFromYurtHub(url) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| podList, err := decodePods(data) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return podList, nil | ||
| } | ||
|
|
||
| func getPodsDataFromYurtHub(url string) ([]byte, error) { | ||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return nil, fmt.Errorf("fail to access yurthub pods API, returned status: %v", resp.Status) | ||
| } | ||
|
|
||
| data, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return data, nil | ||
| } | ||
|
|
||
| func decodePods(data []byte) (*v1.PodList, error) { | ||
| codecFactory := serializer.NewCodecFactory(runtime.NewScheme()) | ||
| codec := codecFactory.LegacyCodec(schema.GroupVersion{Group: v1.GroupName, Version: "v1"}) | ||
|
|
||
| podList := new(v1.PodList) | ||
| if _, _, err := codec.Decode(data, nil, podList); err != nil { | ||
| return nil, fmt.Errorf("failed to decode pod list: %s", err) | ||
| } | ||
| return podList, nil | ||
| } |
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