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mailu/core/dovecot/start.py

55 lines
1.9 KiB
Python

#!/usr/bin/python3
import jinja2
import os
import socket
import glob
import multiprocessing
import tenacity
import logging as log
import sys
from tenacity import retry
from podop import run_server
log.basicConfig(stream=sys.stderr, level=os.environ["LOG_LEVEL"] if "LOG_LEVEL" in os.environ else "WARNING")
def start_podop():
os.setuid(8)
run_server(0, "dovecot", "/tmp/podop.socket", [
("quota", "url", "http://admin/internal/dovecot/§"),
("auth", "url", "http://admin/internal/dovecot/§"),
("sieve", "url", "http://admin/internal/dovecot/§"),
])
def convert(src, dst):
logger = log.getLogger("convert()")
logger.debug("Source: %s, Destination: %s", src, dst)
open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
@retry(
stop=tenacity.stop_after_attempt(100),
wait=tenacity.wait_random(min=2, max=5),
before=tenacity.before_log(log.getLogger("tenacity.retry"), log.DEBUG),
before_sleep=tenacity.before_sleep_log(log.getLogger("tenacity.retry"), log.INFO),
after=tenacity.after_log(log.getLogger("tenacity.retry"), log.DEBUG)
)
def resolve(hostname):
logger = log.getLogger("resolve()")
logger.info(hostname)
return socket.gethostbyname(hostname)
# Actual startup script
os.environ["FRONT_ADDRESS"] = resolve(os.environ.get("FRONT_ADDRESS", "front"))
os.environ["REDIS_ADDRESS"] = resolve(os.environ.get("REDIS_ADDRESS", "redis"))
if os.environ["WEBMAIL"] != "none":
os.environ["WEBMAIL_ADDRESS"] = resolve(os.environ.get("WEBMAIL_ADDRESS", "webmail"))
for dovecot_file in glob.glob("/conf/*.conf"):
convert(dovecot_file, os.path.join("/etc/dovecot", os.path.basename(dovecot_file)))
# Run Podop, then postfix
multiprocessing.Process(target=start_podop).start()
os.system("chown -R mail:mail /mail /var/lib/dovecot /conf")
os.execv("/usr/sbin/dovecot", ["dovecot", "-c", "/etc/dovecot/dovecot.conf", "-F"])