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set_DNS_record_to_HWcloud.py
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set_DNS_record_to_HWcloud.py
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import json
import asyncio
import aiohttp
import time
from config import *
__all__ = ('HWcloud',)
class HWcloud():
def __init__(self, session: aiohttp.ClientSession) -> None:
'''
Example:
>>> async with aiohttp.ClientSession() as session:
hwcloud = await HWcloud(session)
await hwcloud.update_batch_record_with_line(CNAME_BASE_URL['VERLIFY'], {'Netlify': {'dianxin': ['50.18.215.94']}})
'''
self.session = session
self._token = ''
self.headers = {}
self.mapping_line_dict = {
'dianxin': 'Dianxin',
'liantong': 'Liantong',
'yidong': 'Yidong',
'default': 'default_view'
}
self.mapping_line_dict_reversed = {
v: k for k, v in self.mapping_line_dict.items()}
async def _init(self):
try:
json_file = open('HWcloud_token.json', 'rb')
except:
self._token = await self.refresh_token()
self.write_json()
else:
json_dict = json.load(json_file)
self._token, last_refresh_time = json_dict['token'], json_dict['last_refresh_time']
if int(time.time()) - last_refresh_time >= 3600*6:
json_file.close()
self._token = await self.refresh_token()
self.write_json()
else:
json_file.close()
finally:
self.headers = {
'X-Auth-Token': self._token
}
return self
def __await__(self):
return self._init().__await__()
@property
def token(self):
return self._token
def write_json(self):
json_dict = {
'token': self._token,
'last_refresh_time': int(time.time()),
}
with open('HWcloud_token.json', 'w') as f:
json.dump(json_dict, f)
async def refresh_token(self):
headers = {
'Content-Type': 'application/json;charset=utf8'
}
data = {
"auth": {
"identity": {
"methods": [
"password"
],
"password": {
"user": {
"domain": {
"name": f"{HW_IAM_DOMAIN}" # IAM用户所属账号名
},
"name": f"{HW_IAM_USER}", # IAM用户名
"password": f"{HW_IAM_PWD}" # IAM用户密码
}
}
},
"scope": {
"project": {
"id": f"{HW_PROJECT_ID}" # 项目id
}
}
}
}
async with self.session.post('https://iam.myhuaweicloud.com/v3/auth/tokens', json=data, headers=headers) as resq:
return resq.headers['X-Subject-Token']
async def add_one_record_to_HWcloud(self, ip: str):
'''add record to HWcloud
Args:
ip: ip
Returns:
status
'''
url = f'{HW_HK_REGION_API_BASE_URL}{HW_ADD_ONE_RECORD_PATH}'
data = {
"name": f"{ip}.{BASE_DNS_URL_FOR_TEST}",
"type": "A",
"ttl": 3600,
"records": [f"{ip}"],
}
async with self.session.post(url, json=data, headers=self.headers) as resp:
return resp.status
async def set_status(self, status: str, id: str):
url = f'{HW_HK_REGION_API_BASE_URL}/v2.1/recordsets/{id}/statuses/set'
data = {
"status": status
}
async with self.session.put(url, json=data, headers=self.headers) as resp:
await resp.json()
async def create_sub_coro(self, data):
url = f'{HW_HK_REGION_API_BASE_URL}{HW_CREATE_RECORD_WITH_BATCH_LINES_PATH}'
async with self.session.post(url, json=data, headers=self.headers) as resp:
# print(await resp.json())
return await resp.json()
async def create_cname_record_with_batch_lines(self, subdomain, answer_dict: dict):
async with asyncio.TaskGroup() as tg:
for platform, result_list in answer_dict.items():
data = {
"name": f"{subdomain}",
"type": "A",
"description": platform,
"lines": [{
"line": self.mapping_line_dict[k],
"records": list(map(lambda x: x if not x == [] else [CNAME_DEFAULT_RECORD[platform.upper()]], [v]))[0],
"ttl": 300,
"weight": 1
} for k, v in result_list.items()]
}
tg.create_task(self.create_sub_coro(data))
async def update_batch_record_with_line(self, subdomain: str, answer_dict: dict):
'''update batch record with line to huawei cloud
if there already exists the record to be update, this func will be call, otherwise self.create_cname_record_with_batch_lines will be call instead
Args:
subdomain: dns record domain. period must be add in the end due to huawei cloud limitation.
answer_dict: dict containing list of dns answers classified by isp and platform
Example:
>>> await update_batch_record_with_line('test.domain.com.', {'Netlify':{"dianxin": ["54.253.236.92"], "liantong": ["54.253.236.1"], "yidong": ["54.253.236.2"]},'Vercel':{"dianxin": ["54.253.236.92"], "liantong": ["54.253.236.1"], "yidong": ["54.253.236.2"]}})
'''
async with self.session.get(f'{HW_HK_REGION_API_BASE_URL}/v2.1/recordsets?name={subdomain}', headers=self.headers) as resp:
json_dict = await resp.json()
id_list = json_dict['recordsets']
if id_list == []:
# if no record
await self.create_cname_record_with_batch_lines(subdomain, answer_dict)
else:
# [ records, id, description] description must be equal to platform
res_list = [[answer_dict[id_dict['description']][self.mapping_line_dict_reversed[id_dict['line']]],
id_dict['id'], id_dict['description']] for id_dict in id_list]
async with asyncio.TaskGroup() as tg:
for list_for_status in res_list:
if list_for_status[0] == []:
list_for_status[0] = [
CNAME_DEFAULT_RECORD[list_for_status[2].upper()]]
tg.create_task(self.set_status(
'DISABLE', list_for_status[1]))
else:
tg.create_task(self.set_status(
'ENABLE', list_for_status[1]))
data = {
'recordsets': [
{"id": info_list[1],
"ttl": 300,
"weight": 1,
"description": info_list[2],
"records": info_list[0]} for info_list in res_list
]
}
async with self.session.put(f'{HW_HK_REGION_API_BASE_URL}{HW_UPDATE_BATCH_RECORD_WITH_LINES_PATH}', headers=self.headers, json=data) as resp:
return await resp.json()
if __name__ == '__main__':
async def main():
async with aiohttp.ClientSession() as session:
hwcloud = await HWcloud(session)
print(await hwcloud.update_batch_record_with_line('test.domain.com.', {'Netlify': {"dianxin": [], "liantong": ["54.253.236.1"], "yidong": ["54.253.236.2"]}, 'Vercel': {"dianxin": ["54.253.236.92"], "liantong": ["54.253.236.1"], "yidong": ["54.253.236.2"]}}))
asyncio.run(main())