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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright 2018 PingCAP, Inc. | ||
| // | ||
| // 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package controller | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
|
|
||
| "github.com/pingcap/tidb-operator/pkg/apis/pingcap.com/v1alpha1" | ||
| ) | ||
|
|
||
| // TiDBControlInterface is the interface that knows how to manage tidb peers | ||
| type TiDBControlInterface interface { | ||
| // GetHealth returns tidb's health info | ||
| GetHealth(tc *v1alpha1.TidbCluster) map[string]bool | ||
| } | ||
|
|
||
| // defaultTiDBControl is default implementation of TiDBControlInterface. | ||
| type defaultTiDBControl struct { | ||
| httpClient *http.Client | ||
| } | ||
|
|
||
| // NewDefaultTiDBControl returns a defaultTiDBControl instance | ||
| func NewDefaultTiDBControl() TiDBControlInterface { | ||
| httpClient := &http.Client{Timeout: timeout} | ||
| return &defaultTiDBControl{httpClient: httpClient} | ||
| } | ||
|
|
||
| func (tdc *defaultTiDBControl) GetHealth(tc *v1alpha1.TidbCluster) map[string]bool { | ||
| tcName := tc.GetName() | ||
| ns := tc.GetNamespace() | ||
|
|
||
| result := map[string]bool{} | ||
| for i := 0; i < int(tc.Spec.TiDB.Replicas); i++ { | ||
| hostName := fmt.Sprintf("%s-%d", TiDBMemberName(tcName), i) | ||
| url := fmt.Sprintf("http://%s.%s-tidb-peer.%s:10080/status", hostName, tcName, ns) | ||
| _, err := tdc.getBodyOK(url) | ||
| if err != nil { | ||
| result[hostName] = false | ||
| } else { | ||
| result[hostName] = true | ||
| } | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| func (tdc *defaultTiDBControl) getBodyOK(apiURL string) ([]byte, error) { | ||
| res, err := tdc.httpClient.Get(apiURL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if res.StatusCode >= 400 { | ||
| errMsg := fmt.Errorf(fmt.Sprintf("Error response %v", res.StatusCode)) | ||
| return nil, errMsg | ||
| } | ||
|
|
||
| defer DeferClose(res.Body, &err) | ||
| body, err := ioutil.ReadAll(res.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return body, err | ||
| } | ||
|
|
||
| // FakeTiDBControl is a fake implementation of TiDBControlInterface. | ||
| type FakeTiDBControl struct { | ||
| healthInfo map[string]bool | ||
| } | ||
|
|
||
| // NewFakeTiDBControl returns a FakeTiDBControl instance | ||
| func NewFakeTiDBControl() *FakeTiDBControl { | ||
| return &FakeTiDBControl{} | ||
| } | ||
|
|
||
| // SetHealth set health info for FakeTiDBControl | ||
| func (ftd *FakeTiDBControl) SetHealth(healthInfo map[string]bool) { | ||
| ftd.healthInfo = healthInfo | ||
| } | ||
|
|
||
| func (ftd *FakeTiDBControl) GetHealth(tc *v1alpha1.TidbCluster) map[string]bool { | ||
| return ftd.healthInfo | ||
| } |
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