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https://github.com/k3s-io/kubernetes.git
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63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
/*
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Copyright 2016 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 e2e_node
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/stats"
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)
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// TODO(random-liu): Get this automatically from kubelet flag.
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var kubeletAddress = flag.String("kubelet-address", "http://127.0.0.1:10255", "Host and port of the kubelet")
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var startServices = flag.Bool("start-services", true, "If true, start local node services")
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var stopServices = flag.Bool("stop-services", true, "If true, stop local node services after running tests")
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func getNodeSummary() (*stats.Summary, error) {
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req, err := http.NewRequest("GET", *kubeletAddress+"/stats/summary", nil)
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if err != nil {
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return nil, fmt.Errorf("failed to build http request: %v", err)
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}
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req.Header.Add("Accept", "application/json")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to get /stats/summary: %v", err)
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}
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defer resp.Body.Close()
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contentsBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read /stats/summary: %+v", resp)
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}
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decoder := json.NewDecoder(strings.NewReader(string(contentsBytes)))
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summary := stats.Summary{}
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err = decoder.Decode(&summary)
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if err != nil {
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return nil, fmt.Errorf("failed to parse /stats/summary to go struct: %+v", resp)
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}
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return &summary, nil
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}
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