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Add logging for tenacity.retry

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In the process we found that the previous way of tenacity syntax caused it not to honor any args.
In this commit we've refactored to use the @decorator syntax, in which tenacity seems to behave better.
This commit is contained in:
Tim Möhlmann
2019-01-07 23:49:10 +02:00
parent 356012a672
commit b9313488dd
3 changed files with 50 additions and 7 deletions
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18
core/dovecot/start.py
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@@ -6,14 +6,17 @@ 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 "WARN")
def start_podop():
os.setuid(8)
run_server(3 if "DEBUG" in os.environ else 0, "dovecot", "/tmp/podop.socket", [
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/§"),
@@ -21,8 +24,19 @@ def start_podop():
convert = lambda 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
resolve = retry(socket.gethostbyname, stop=tenacity.stop_after_attempt(100), wait=tenacity.wait_random(min=2, max=5))
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":