/ 前言 /
在ZStack的API中, 大多數的API返回的是一個任務結果查詢地址, 此時我們就需要根據這個地址輪訓去查詢任務狀態及結果
{
"location": "http://localhost:8080/v1/api-jobs/967a26b7431c49c0b1d50d709ef1aef3"
}
想要創建鏡像我們先需要創建鏡像服務器用來存儲鏡像, 鏡像服務器會在管理節點內部開闢一個目錄存儲鏡像, 而鏡像是創建雲主機所必需的條件
/ API /
添加鏡像倉庫服務器
-
API名稱
添加鏡像倉庫服務器(AddImageStoreBackupStorage)
-
請求方式
POST
zstack/v1/backup-storage/image-store -
curl示例
curl -H "Content-Type: application/json" \ -H "Authorization: OAuth b86c9016b4f24953a9edefb53ca0678c" \ -X POST -d '{"params":{"hostname":"192.168.1.8","username":"admin","password":"admin% pass","sshPort":22.0,"url":"/data/imagestore","name":"ImageStore","importImages":false}}' \ http://localhost:8080/zstack/v1/backup-storage/image-store -
返回示例
// 成功 {} // 失敗 {"error": { "code": "SYS.1001", "description": "A message or a operation timeout", "details": "Create VM on KVM timeout after 300s" }}
掛載鏡像服務器至區域
-
API名稱
掛載鏡像服務器至區域(AttachBackupStorageToZone)
-
請求方式
POST
zstack/v1/zones/{zoneUuid}/backup-storage/{backupStorageUuid} -
curl示例
curl -H "Content-Type: application/json" \ -H "Authorization: OAuth b86c9016b4f24953a9edefb53ca0678c" \ -X POST http://localhost:8080/zstack/v1/zones/5776b543bc713f6d9abca9cd605c8199/backup- storage/53ef01cbf71d3bd68206908b87e51403 -
返回示例
{"inventory": { "name": "My Backup Storage", "description": "Public Backup Storage", "totalCapacity": 1.073741824E9, "availableCapacity": 9.68884224E8, "type": "Ceph", "state": "Enabled", "status": "Connected", "createDate": "Jun 7, 2017 9:20:19 PM", "lastOpDate": "Jun 7, 2017 9:20:19 PM", "attachedZoneUuids": [ "73799602dbf64c0d85694de34fc596c3"] }}
添加鏡像
-
API名稱
添加鏡像(AddImage)
-
請求方式
POST
zstack/v1/images -
curl示例
curl -H "Content-Type: application/json" \ -H "Authorization: OAuth b86c9016b4f24953a9edefb53ca0678c" \ -X POST -d '{"params":{"name":"TinyLinux","url":"http://192.168.1.20/share/images/tinylinux. qcow2","mediaType":"RootVolumeTemplate","system":false,"format":"qcow2","platform":"Linux ","backupStorageUuids":["b8fc9c1c027438c28d36af24eca06595"]}}' \ http://localhost:8080/zstack/v1/images -
返回示例
{ "inventory": { "uuid": "8c63603a810a4838a4cd62228e6e13b2", "name": "TinyLinux", "url": "http://192.168.1.20/share/images/tinylinux.qcow2", "mediaType": "RootVolumeTemplate", "platform": "Linux", "format": "qcow2", "backupStorageRefs": [ { "id": 0.0, "imageUuid": "8c63603a810a4838a4cd62228e6e13b2", "backupStorageUuid": "06ccc8e0322a4cd3ae5555d9d88451de", "installPath": "ceph://zs-images/f0b149e053b34c7eb7fe694b182ebffd", "status": "Ready" } ] }}
/ 代碼 /
ZStack中, 大多數的API在調用後返回的是
user_name = 'admin'
user_password='password'
host = 'http://localhost:8080/'
# 添加鏡像
def create_images(session_uuid):
# 創建鏡像服務器
data = json.dumps({
"params":
{"hostname": "192.168.0.129",
"username": "root",
"password": "password",
"sshPort": 22,
"url": "/zs_images",
"name": "ImageStore",
"type": "image-store",
"description": "image_des"
}})
url = host + 'zstack/v1/backup-storage/image-store'
headers = {"Content-Type": "application/json", "Authorization": "OAuth " + session_uuid}
response = requests.post(url, data, headers=headers)
store_uuid = deal_response(response, True)
if store_uuid:
# 掛載鏡像服務器到區域
url = host + 'zstack/v1/zones/' + zone_uuid + '/backup-storage/' + store_uuid
response = requests.post(url, headers=headers)
if deal_response(response, False):
# 向鏡像服務器中添加鏡像
data = json.dumps({
"params": {
"name": "Linux",
"url": "http://47.103.76.2/iso/centos7.iso",
"mediaType": "RootVolumeTemplate",
"system": "false",
"format": "qcow2",
"platform": "Linux",
"backupStorageUuids": [store_uuid]}})
url = host + 'zstack/v1/images'
response = requests.post(url, data, headers=headers)
image_uuid = deal_response(response, True)
if image_uuid :
return image_uuid
# 處理返回數據
def deal_response(response, is_return):
if response:
rsp = json.loads(response.text)
if rsp:
print('rsp : {%s}' % rsp)
json_str = query_until_done(rsp)
if json_str:
if not json_str.has_key('error'):
if is_return:
return json_str['inventory']['uuid']
else:
return True
return False
# 輪詢查詢API結果
def query_until_done(rsp):
# 截取任務id, 替換請求地址
if rsp.has_key('location'):
location = rsp['location']
job_uuid = location.split('/')[-1]
if job_uuid:
while True:
url = host + "zstack/v1/api-jobs/" + location.split('/')[-1]
response = requests.get(url)
text = response.text
print(text)
if text != '{}':
print('url : {%s}' % url)
return json.loads(text)
if __name__ == '__main__':
session_uuid = login()
if session_uuid:
# 創建計算規格
image_uuid = create_images(session_uuid)