updated app.py
This commit is contained in:
parent
77e915c63e
commit
7ce88f1a74
80
app.py
80
app.py
@ -1,14 +1,11 @@
|
||||
#!/usr/bin/env python3
|
||||
import sentry_sdk
|
||||
import time
|
||||
import requests
|
||||
import requests.exceptions
|
||||
import os
|
||||
import json
|
||||
import logging
|
||||
import socket
|
||||
|
||||
from redis_super_storage import RedisSuperStorage
|
||||
from communicators import ConsumerCommunicator, ProducerCommunicator
|
||||
|
||||
"""
|
||||
Scheduler
|
||||
@ -22,74 +19,27 @@ __version__text__ = "1"
|
||||
sentry_sdk.init("https://0a106e104e114bc9a3fa47f9cb0db2f4@sentry.kmlabz.com/10")
|
||||
|
||||
|
||||
|
||||
class Scheduler:
|
||||
|
||||
def __init__(self):
|
||||
pass
|
||||
|
||||
def request_first_sync(self, ip_list, consumer_list_redis):
|
||||
temp_dict = {}
|
||||
for ip in ip_list:
|
||||
try:
|
||||
# request synchronization
|
||||
response = requests.post(f"http://{ip}/sync", json={'uuid': os.environ['LOCAL_UUID']}, timeout=5)
|
||||
except (requests.exceptions.ConnectionError, requests.exceptions.Timeout) as e:
|
||||
logging.error(f"Error while syncing to {ip}: {str(e)}")
|
||||
continue
|
||||
|
||||
if response.status_code == 200:
|
||||
temp_dict[response.json()['uuid']] = {'ip': ip}
|
||||
consumer_list_redis.update(temp_dict)
|
||||
self.r.set('consumer_list', json.dumps(consumer_list_redis).encode('utf-8'))
|
||||
logging.debug('Update redis consumers ip list from first answers: Done')
|
||||
|
||||
def request_sync(self, consumer_list_redis):
|
||||
|
||||
|
||||
def test_ip_change(self, host_name):
|
||||
|
||||
old_ip = self.r.get('current_ip')
|
||||
|
||||
if old_ip:
|
||||
old_ip = old_ip.decode('utf-8')
|
||||
|
||||
current_ip = socket.gethostbyname(host_name)
|
||||
|
||||
if not old_ip: # Not set yet. I this case no update required
|
||||
self.r.set('current_ip', current_ip.encode('utf-8'))
|
||||
logging.debug(f"Previous info about the ip address could not be found! Current: {current_ip}")
|
||||
|
||||
elif old_ip != current_ip:
|
||||
logging.info(f'IP changed: {old_ip} -> {current_ip} Pushing updates...')
|
||||
|
||||
# pushing updates...
|
||||
keys = self.r.keys('producer_*')
|
||||
|
||||
logging.debug(f'Pushing update to the following producers: ' + ', '.join(k.decode('utf-8') for k in keys))
|
||||
|
||||
for key in keys:
|
||||
ip = self.r.get(key)
|
||||
if ip:
|
||||
ip = ip.decode('utf-8')
|
||||
else:
|
||||
continue
|
||||
|
||||
|
||||
else:
|
||||
logging.debug(f'IP unchanged: {current_ip}')
|
||||
|
||||
logging.debug('Waiting for next turn')
|
||||
time.sleep(os.environ.get("RUN_INTERVAL", 30))
|
||||
def get_initial_ip_list():
|
||||
ip_list = os.environ['INITIAL_SERVERS'].split(',')
|
||||
logging.debug('Initial ip list' + ", ".join(ip_list))
|
||||
return ip_list
|
||||
|
||||
|
||||
def main():
|
||||
# set logging preferences
|
||||
logging.basicConfig(filename='', level=logging.DEBUG)
|
||||
|
||||
redis_storage = RedisSuperStorage(os.environ.get('REDIS_URL', "redis://localhost:6379/0"))
|
||||
scheduler = Scheduler()
|
||||
redis_storage = RedisSuperStorage(os.environ.get('REDIS_URL', "redis://localhost:6379/0"), 5)
|
||||
consumer_communicator = ConsumerCommunicator(redis_storage)
|
||||
producer_communicator = ProducerCommunicator(redis_storage)
|
||||
|
||||
for ip in get_initial_ip_list():
|
||||
consumer_communicator.targeted_snyc(ip)
|
||||
|
||||
while True:
|
||||
logging.debug("Doing a sync")
|
||||
consumer_communicator.sync_all()
|
||||
time.sleep(os.environ.get("RUN_INTERVAL", 30))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
||||
@ -2,6 +2,7 @@
|
||||
import os
|
||||
import logging
|
||||
import requests
|
||||
import requests.exceptions
|
||||
from redis_super_storage import RedisSuperStorage
|
||||
|
||||
|
||||
@ -16,7 +17,7 @@ class ProducerCommunicator:
|
||||
for key, ip in self._redis_store.get_producer_list().items():
|
||||
|
||||
try:
|
||||
response = requests.post(
|
||||
response = self._session.post(
|
||||
f"http://{ip}/ip",
|
||||
json={'uuid': os.environ['LOCAL_UUID'], 'ip': newip},
|
||||
timeout=5
|
||||
@ -35,7 +36,7 @@ class ConsumerCommunicator:
|
||||
def targeted_snyc(self, ip: str):
|
||||
try:
|
||||
# request synchronization
|
||||
response = requests.post(f"http://{ip}/sync", json={'uuid': os.environ['LOCAL_UUID']}, timeout=5)
|
||||
response = self._session.post(f"http://{ip}/sync", json={'uuid': os.environ['LOCAL_UUID']}, timeout=5)
|
||||
|
||||
except (requests.exceptions.ConnectionError, requests.exceptions.Timeout) as e:
|
||||
logging.error(f"Error while syncing to {ip}: {str(e)}")
|
||||
|
||||
@ -4,6 +4,7 @@ import os
|
||||
import json
|
||||
import socket
|
||||
import time
|
||||
import logging
|
||||
|
||||
|
||||
class RedisSuperStorage:
|
||||
@ -47,6 +48,7 @@ class RedisSuperStorage:
|
||||
current_ip = socket.gethostbyname(host_name)
|
||||
|
||||
if current_ip != old_ip:
|
||||
logging.info(f'IP changed: {old_ip} -> {current_ip}')
|
||||
self.r.set('current_ip', current_ip.encode('utf-8'))
|
||||
|
||||
return current_ip != old_ip
|
||||
|
||||
Reference in New Issue
Block a user