Files
2025-11-27 11:01:26 +08:00

113 lines
3.9 KiB
Python

# coding:utf-8
import json
import threading
from volcengine.ApiInfo import ApiInfo
from volcengine.Credentials import Credentials
from volcengine.ServiceInfo import ServiceInfo
from volcengine.base.Service import Service
class RdsPostgreSQL(Service):
_instance_lock = threading.Lock()
def __new__(cls, *args, **kwargs):
if not hasattr(RdsPostgreSQL, "_instance"):
with RdsPostgreSQL._instance_lock:
if not hasattr(RdsPostgreSQL, "_instance"):
RdsPostgreSQL._instance = object.__new__(cls)
return RdsPostgreSQL._instance
def __init__(self, region='cn-north-1'):
self.service_info = RdsPostgreSQL.get_service_info(region)
self.api_info = RdsPostgreSQL.get_api_info()
self.domain_cache = {}
self.fallback_domain_weights = {}
self.update_interval = 10
self.lock = threading.Lock()
super(RdsPostgreSQL, self).__init__(self.service_info, self.api_info)
@staticmethod
def get_service_info(region):
service_info_map = {
'cn-north-1': ServiceInfo("open.volcengineapi.com",
{'Accept': 'application/json'},
Credentials('', '', 'rds_postgresql', 'cn-north-1'), 10, 10),
}
service_info = service_info_map.get(region, None)
if not service_info:
raise Exception('Cant find the region, please check it carefully')
return service_info
@staticmethod
def get_api_info():
api_info = {
"CreateDBInstance": ApiInfo("POST", "/", {"Action": "CreateDBInstance", "Version": "2018-01-01"}, {}, {}),
"CreateDBInstanceIPList": ApiInfo("POST", "/", {"Action": "CreateDBInstanceIPList", "Version": "2018-01-01"}, {}, {}),
"CreateAccount": ApiInfo("POST", "/", {"Action": "CreateAccount", "Version": "2018-01-01"}, {}, {}),
"ModifyDatabaseOwner": ApiInfo("POST", "/", {"Action": "ModifyDatabaseOwner", "Version": "2018-01-01"}, {}, {}),
"CreateDatabase": ApiInfo("POST", "/", {"Action": "CreateDatabase", "Version": "2018-01-01"}, {}, {}),
}
return api_info
def common_handler(self, api, form):
params = dict()
try:
res = self.post(api, params, form)
res_json = json.loads(res)
return res_json
except Exception as e:
res = str(e)
try:
res_json = json.loads(res)
return res_json
except:
raise Exception(str(e))
def common_json_handler(self, api, body):
params = dict()
try:
body = json.dumps(body)
res = self.json(api, params, body)
res_json = json.loads(res)
return res_json
except Exception as e:
res = str(e)
try:
res_json = json.loads(res)
return res_json
except:
raise Exception(str(e))
def create_instance(self, form):
try:
return self.common_json_handler("CreateDBInstance", form)
except Exception as e:
raise Exception(str(e))
def create_instance_white_list(self, form):
try:
return self.common_json_handler("CreateDBInstanceIPList", form)
except Exception as e:
raise Exception(str(e))
def create_account(self, form):
try:
return self.common_json_handler("CreateAccount", form)
except Exception as e:
raise Exception(str(e))
def modify_database_owner(self, form):
try:
return self.common_json_handler("ModifyDatabaseOwner", form)
except Exception as e:
raise Exception(str(e))
def create_database(self, form):
try:
return self.common_json_handler("CreateDatabase", form)
except Exception as e:
raise Exception(str(e))