Fetch the repository succeeded.
/*
Copyright 2016 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 azure
import (
"encoding/json"
"io"
"io/ioutil"
"net/http"
"sync"
"k8s.io/kubernetes/pkg/cloudprovider"
)
const instanceInfoURL = "http://169.254.169.254/metadata/v1/InstanceInfo"
var faultMutex = &sync.Mutex{}
var faultDomain *string
type instanceInfo struct {
ID string `json:"ID"`
UpdateDomain string `json:"UD"`
FaultDomain string `json:"FD"`
}
// GetZone returns the Zone containing the current failure zone and locality region that the program is running in
func (az *Cloud) GetZone() (cloudprovider.Zone, error) {
faultMutex.Lock()
if faultDomain == nil {
var err error
faultDomain, err = fetchFaultDomain()
if err != nil {
return cloudprovider.Zone{}, err
}
}
zone := cloudprovider.Zone{
FailureDomain: *faultDomain,
Region: az.Location,
}
faultMutex.Unlock()
return zone, nil
}
func fetchFaultDomain() (*string, error) {
resp, err := http.Get(instanceInfoURL)
if err != nil {
return nil, err
}
defer resp.Body.Close()
return readFaultDomain(resp.Body)
}
func readFaultDomain(reader io.Reader) (*string, error) {
var instanceInfo instanceInfo
body, err := ioutil.ReadAll(reader)
if err != nil {
return nil, err
}
err = json.Unmarshal(body, &instanceInfo)
if err != nil {
return nil, err
}
return &instanceInfo.FaultDomain, nil
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。