96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
/*
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Copyright 2018 The KubeSphere 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 client
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import (
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"net/http"
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"io/ioutil"
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"time"
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"github.com/antonholmquist/jason"
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"github.com/golang/glog"
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)
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const (
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DefaultHeapsterScheme = "http"
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DefaultHeapsterService = "heapster.kube-system.svc.cluster.local" //"heapster"
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DefaultHeapsterPort = "80" // use the first exposed port on the service
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HeapsterApiPath = "/api/v1/model"
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HeapsterEndpointUrl = DefaultHeapsterScheme + "://" + DefaultHeapsterService + ":" + DefaultHeapsterPort + HeapsterApiPath
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)
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var httpClient = &http.Client{Timeout: 30 * time.Second}
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// Get heapster response in python-like dictionary
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func GetHeapsterMetricsJson(url string) *jason.Object {
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response, err := httpClient.Get(HeapsterEndpointUrl + url)
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var data *jason.Object
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if err != nil {
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glog.Error(url, err)
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} else {
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defer response.Body.Close()
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data, err = jason.NewObjectFromReader(response.Body)
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if err != nil {
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glog.Error(url, err)
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}
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}
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return data
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}
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func GetHeapsterMetrics(url string) string {
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response, err := httpClient.Get(HeapsterEndpointUrl + url)
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if err != nil {
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glog.Error(err)
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} else {
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defer response.Body.Close()
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contents, err := ioutil.ReadAll(response.Body)
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if err != nil {
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glog.Error(err)
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}
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return string(contents)
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}
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return ""
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}
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func GetCAdvisorMetrics(nodeAddr string) string {
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response, err := httpClient.Get("http://" + nodeAddr + ":10255/stats/summary")
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if err != nil {
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glog.Error(err)
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} else {
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defer response.Body.Close()
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contents, err := ioutil.ReadAll(response.Body)
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if err != nil {
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glog.Error(err)
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}
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return string(contents)
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}
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return ""
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}
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