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frappe_docker/build/frappe-worker/commands/check_connection.py
2021-12-10 11:53:00 +03:00

125 lines
3.3 KiB
Python

import socket
import time
from constants import (
DB_HOST_KEY,
DB_PORT,
DB_PORT_KEY,
REDIS_CACHE_KEY,
REDIS_QUEUE_KEY,
REDIS_SOCKETIO_KEY,
)
from six.moves.urllib.parse import urlparse
from utils import get_config
def is_open(ip, port, timeout=30):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(timeout)
try:
s.connect((ip, int(port)))
s.shutdown(socket.SHUT_RDWR)
return True
except Exception:
return False
finally:
s.close()
def check_host(ip, port, retry=10, delay=3, print_attempt=True):
ipup = False
for i in range(retry):
if print_attempt:
print(f"Attempt {i+1} to connect to {ip}:{port}")
if is_open(ip, port):
ipup = True
break
else:
time.sleep(delay)
return ipup
# Check service
def check_service(
retry=10, delay=3, print_attempt=True, service_name=None, service_port=None
):
config = get_config()
if not service_name:
service_name = config.get(DB_HOST_KEY, "mariadb")
if not service_port:
service_port = config.get(DB_PORT_KEY, DB_PORT)
is_db_connected = False
is_db_connected = check_host(
service_name, service_port, retry, delay, print_attempt
)
if not is_db_connected:
print(
"Connection to {service_name}:{service_port} timed out".format(
service_name=service_name,
service_port=service_port,
)
)
exit(1)
# Check redis queue
def check_redis_queue(retry=10, delay=3, print_attempt=True):
check_redis_queue = False
config = get_config()
redis_queue_url = urlparse(
config.get(REDIS_QUEUE_KEY, "redis://redis-queue:6379")
).netloc
redis_queue, redis_queue_port = redis_queue_url.split(":")
check_redis_queue = check_host(
redis_queue, redis_queue_port, retry, delay, print_attempt
)
if not check_redis_queue:
print("Connection to redis queue timed out")
exit(1)
# Check redis cache
def check_redis_cache(retry=10, delay=3, print_attempt=True):
check_redis_cache = False
config = get_config()
redis_cache_url = urlparse(
config.get(REDIS_CACHE_KEY, "redis://redis-cache:6379")
).netloc
redis_cache, redis_cache_port = redis_cache_url.split(":")
check_redis_cache = check_host(
redis_cache, redis_cache_port, retry, delay, print_attempt
)
if not check_redis_cache:
print("Connection to redis cache timed out")
exit(1)
# Check redis socketio
def check_redis_socketio(retry=10, delay=3, print_attempt=True):
check_redis_socketio = False
config = get_config()
redis_socketio_url = urlparse(
config.get(REDIS_SOCKETIO_KEY, "redis://redis-socketio:6379")
).netloc
redis_socketio, redis_socketio_port = redis_socketio_url.split(":")
check_redis_socketio = check_host(
redis_socketio, redis_socketio_port, retry, delay, print_attempt
)
if not check_redis_socketio:
print("Connection to redis socketio timed out")
exit(1)
def main():
check_service()
check_redis_queue()
check_redis_cache()
check_redis_socketio()
print("Connections OK")
if __name__ == "__main__":
main()