Kocsis Richárd
2a77c552bf
All checks were successful
continuous-integration/drone/push Build is passing
97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
#!/usr/bin/env python
|
|
import sentry_sdk
|
|
import time
|
|
import requests
|
|
import requests.exceptions
|
|
import os
|
|
import redis
|
|
import json
|
|
import logging
|
|
import socket
|
|
|
|
"""
|
|
Scheduler
|
|
"""
|
|
|
|
__author__ = "@kocsisr"
|
|
__copyright__ = "Copyright 2020, GoldenPogácsa Team"
|
|
__module_name__ = "app"
|
|
__version__text__ = "1"
|
|
|
|
sentry_sdk.init("https://0a106e104e114bc9a3fa47f9cb0db2f4@sentry.kmlabz.com/10")
|
|
|
|
|
|
def main():
|
|
|
|
# set logging preferences
|
|
logging.basicConfig(filename = '', level = logging.DEBUG)
|
|
|
|
# connect to redis
|
|
r = redis.Redis(host = 'localhost', port = 6379, db = 0)
|
|
|
|
# set initial consumer addresses
|
|
ip_list = os.environ['INITIAL_SERVERS'].split(',')
|
|
logging.debug('Get consumer list from environ at first: Done')
|
|
# get the dictionary of the currently available consumers
|
|
consumer_list_redis = json.loads((r.get('consumer_list') or b'{}').decode('utf-8'))
|
|
logging.debug('Get consumer list from redis at first: Done')
|
|
temp_dict = { }
|
|
|
|
hostname = socket.gethostname()
|
|
current_ip = socket.gethostbyname(host_name)
|
|
|
|
for ip in ip_list:
|
|
try:
|
|
# request synchronization
|
|
response = requests.post(f"http://{ip}/sync", json = { 'uuid': os.environ['LOCAL_UUID'] })
|
|
except requests.exceptions.ConnectionError:
|
|
continue
|
|
|
|
if response.status_code == 200:
|
|
temp_dict[response.json()['uuid']] = { 'ip': ip }
|
|
|
|
consumer_list_redis.update(temp_dict)
|
|
r.set('consumer_list', json.dumps(consumer_list_redis).encode('utf-8'))
|
|
logging.debug('Update redis consumers ip list from first answers: Done')
|
|
while True:
|
|
logging.debug('Infinite Cycle start : Done')
|
|
# get the dictionary of the currently available consumers
|
|
consumer_list_redis = json.loads((r.get('consumer_list') or b'{}').decode('utf-8'))
|
|
logging.debug('Get consumer list from redis: Done')
|
|
for uuid, info in consumer_list_redis.items():
|
|
ip = info['ip']
|
|
try:
|
|
# request synchronization
|
|
response = requests.post(f"http://{ip}/sync", json={'uuid': os.environ['LOCAL_UUID']})
|
|
except requests.exceptions.ConnectionError:
|
|
continue
|
|
|
|
if response.status_code == 200:
|
|
temp_dict[response.json()['uuid']] = {'ip': ip}
|
|
|
|
# update the dictionary of the currently available consumers
|
|
consumer_list_redis.update(temp_dict)
|
|
r.set('consumer_list', json.dumps(consumer_list_redis).encode('utf-8'))
|
|
logging.debug('Update redis consumer ip list from answers: Done')
|
|
|
|
logging.debug('Waiting for next turn')
|
|
# wait for the next update time
|
|
|
|
if current_ip != socket.gethostbyname(host_name):
|
|
current_ip = socket.gethostbyname(host_name)
|
|
keys = redis.keys('producer_*')
|
|
for key in keys:
|
|
ip = redis.get(key)
|
|
if not ip:
|
|
continue
|
|
response = requests.post(f"http://{ip}/ip", json={'uuid': os.environ['LOCAL_UUID'], 'ip': current_ip})
|
|
logging.debug(response.status_code)
|
|
time.sleep(30)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
main()
|
|
except KeyboardInterrupt:
|
|
pass
|