zabbix-super-vision/schemas/zabbix_client.py
sylvain.chateau f2235d4b45 New supervision
- using fastAPI
- offline/online working
- warning if ZABBIX API is too long
- showing settings
- showing last ack message
- showing procedure
- menu split by SU team
2024-02-05 15:47:38 +01:00

97 lines
3.2 KiB
Python

import asyncio
import sys
from dataclasses import dataclass
from datetime import datetime
from typing import Any, Dict, Optional
from settings import settings
import aiohttp
from utils.log import logger
@dataclass
class ZabbixConfig:
api_url: str
user: str
password: str
class ZabbixApiNotResponding(Exception):
pass
async def on_request_start(session, trace_config_ctx, params):
trace_config_ctx.start = asyncio.get_event_loop().time()
async def on_request_end(session, trace_config_ctx, params):
request_duration = asyncio.get_event_loop().time() - trace_config_ctx.start
if request_duration > 1:
logger.info(f"Request took {request_duration:.2f} seconds")
class ZabbixClient:
_instance = None
def __init__(self, config: ZabbixConfig):
self.config = config
self.token: Optional[str] = None
self.trace_config = aiohttp.TraceConfig()
self.trace_config.on_request_start.append(on_request_start)
self.trace_config.on_request_end.append(on_request_end)
async def login(self) -> None:
payload = self._construct_payload(
"user.login", {"user": self.config.user, "password": self.config.password}
)
response_data = await self._send_request(payload)
self.token = response_data.get("result")
def is_logged_in(self) -> bool:
return bool(self.token)
async def call(self, request: Dict[str, Any], method: str) -> Any:
if not self.token:
await self.login()
payload = self._construct_payload(method, request, auth=self.token)
return await self._send_request(payload)
def _construct_payload(
self, method: str, params: Dict[str, Any], auth: Optional[str] = None
) -> Dict[str, Any]:
return {
"jsonrpc": "2.0",
"method": method,
"params": params,
"auth": auth,
"id": 1,
}
async def _send_request(self, payload: Dict[str, Any]) -> Any:
timeout = aiohttp.ClientTimeout(total=settings.ZABBIX_API_TIMEOUT)
async with aiohttp.ClientSession(timeout=timeout, trace_configs=[self.trace_config]) as session:
for attempt in range(settings.ZABBIX_API_RETRY):
try:
async with session.post(
f"{self.config.api_url}/api_jsonrpc.php", json=payload
) as response:
if response.status == 200:
ret = await response.json()
ret["success"] = True
return ret
else:
raise Exception(f"HTTP Error: {response.status}")
except Exception as e:
logger.error(f"[ERR] - {datetime.now()} Retry #{attempt + 1}: {e}")
await asyncio.sleep(attempt + 1)
else:
break
else:
logger.error(
f"Failed after {settings.ZABBIX_API_RETRY} retries. Last method attempted: '{payload['method']}'."
)
raise ZabbixApiNotResponding("The Zabbix API is not respoding")