90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
from concurrent.futures import ThreadPoolExecutor
|
|
import datetime
|
|
import os
|
|
import zoneinfo
|
|
import requests
|
|
import time
|
|
|
|
|
|
stage = os.getenv("STAGE", 'local')
|
|
if stage == 'local':
|
|
QUEUES_URL = 'http://localhost:1239'
|
|
else:
|
|
QUEUES_URL = 'http://queues:1239'
|
|
|
|
|
|
class QueuesException(Exception):
|
|
...
|
|
|
|
|
|
class TasksHandlerMixin:
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.executor = ThreadPoolExecutor(max_workers=4)
|
|
|
|
def _send_metric(self, start: datetime.datetime, end: datetime.datetime, success: bool):
|
|
try:
|
|
resp = requests.post('http://monitoring:1237/api/v1/metrics/task', json={
|
|
'service': 'botalka',
|
|
'queue': self.queue_name,
|
|
'success': success,
|
|
'timestamp': start.strftime("%Y-%m-%dT%H:%M:%S") + "Z",
|
|
"success": success,
|
|
"execution_time_ms": (end - start).microseconds // 1000,
|
|
"environment": stage,
|
|
})
|
|
if resp.status_code == 202:
|
|
print("Metric ok")
|
|
else:
|
|
print(f'metric not ok: {resp.status_code}')
|
|
except Exception as e:
|
|
print(f"Error sending metric: {e}")
|
|
|
|
def poll(self):
|
|
while True:
|
|
try:
|
|
response = requests.get(f'{QUEUES_URL}/api/v1/take', headers={'queue': self.queue_name}).json()
|
|
except requests.JSONDecodeError:
|
|
print('Unable to decode json')
|
|
time.sleep(3)
|
|
continue
|
|
task = response.get('task')
|
|
if not task:
|
|
time.sleep(0.2)
|
|
continue
|
|
start = datetime.datetime.now(zoneinfo.ZoneInfo("Europe/Moscow"))
|
|
try:
|
|
print(f'process task with id {task["id"]}, attempt {task["attempt"]}')
|
|
self.process(task['payload'])
|
|
success = True
|
|
except Exception as exc:
|
|
print(f'Error processing message id={task["id"]}, payload={task["payload"]}, exc={exc}')
|
|
success = False
|
|
end = datetime.datetime.now(zoneinfo.ZoneInfo("Europe/Moscow"))
|
|
if success:
|
|
try:
|
|
resp = requests.post(f'{QUEUES_URL}/api/v1/finish', json={'id': task['id']})
|
|
if resp.status_code != 202:
|
|
raise QueuesException
|
|
print(f'finish task with id {task["id"]}')
|
|
except:
|
|
print(f'Failed to finish task id={task["id"]}')
|
|
self.executor.submit(self._send_metric, start, end, success)
|
|
|
|
@property
|
|
def queue_name(self):
|
|
raise NotImplemented
|
|
|
|
def process(self, payload):
|
|
raise NotImplemented
|
|
|
|
|
|
def set_task(queue_name: str, payload: dict, seconds_to_execute: int, delay: int|None = None):
|
|
resp = requests.post(f'{QUEUES_URL}/api/v1/put', headers={'queue': queue_name}, json={
|
|
'payload': payload,
|
|
'seconds_to_execute': seconds_to_execute,
|
|
'delay': delay,
|
|
})
|
|
if resp.status_code != 202:
|
|
raise QueuesException
|