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Clean up exception handling in the startup code (#9059)

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Factor out the exception handling in the startup code to a utility function,
and fix the some logging and exit code stuff.
This commit is contained in:
Richard van der Hoff 2021-01-11 15:55:05 +00:00 • committed by GitHub
parent 4e04435bda
commit 671138f658
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4 changed files with 126 additions and 106 deletions
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52
synapse/app/homeserver.py
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@ -20,8 +20,7 @@ import os
import sys
from typing import Iterable, Iterator
from twisted.internet import defer, reactor
from twisted.python.failure import Failure
from twisted.internet import reactor
from twisted.web.resource import EncodingResourceWrapper, IResource
from twisted.web.server import GzipEncoderFactory
from twisted.web.static import File
@ -38,7 +37,7 @@ from synapse.api.urls import (
WEB_CLIENT_PREFIX,
)
from synapse.app import _base
from synapse.app._base import listen_ssl, listen_tcp, quit_with_error
from synapse.app._base import listen_ssl, listen_tcp, quit_with_error, register_start
from synapse.config._base import ConfigError
from synapse.config.emailconfig import ThreepidBehaviour
from synapse.config.homeserver import HomeServerConfig
@ -414,40 +413,29 @@ def setup(config_options):
_base.refresh_certificate(hs)
async def start():
try:
# Run the ACME provisioning code, if it's enabled.
if hs.config.acme_enabled:
acme = hs.get_acme_handler()
# Start up the webservices which we will respond to ACME
# challenges with, and then provision.
await acme.start_listening()
await do_acme()
# Run the ACME provisioning code, if it's enabled.
if hs.config.acme_enabled:
acme = hs.get_acme_handler()
# Start up the webservices which we will respond to ACME
# challenges with, and then provision.
await acme.start_listening()
await do_acme()
# Check if it needs to be reprovisioned every day.
hs.get_clock().looping_call(reprovision_acme, 24 * 60 * 60 * 1000)
# Check if it needs to be reprovisioned every day.
hs.get_clock().looping_call(reprovision_acme, 24 * 60 * 60 * 1000)
# Load the OIDC provider metadatas, if OIDC is enabled.
if hs.config.oidc_enabled:
oidc = hs.get_oidc_handler()
# Loading the provider metadata also ensures the provider config is valid.
await oidc.load_metadata()
await oidc.load_jwks()
# Load the OIDC provider metadatas, if OIDC is enabled.
if hs.config.oidc_enabled:
oidc = hs.get_oidc_handler()
# Loading the provider metadata also ensures the provider config is valid.
await oidc.load_metadata()
await oidc.load_jwks()
_base.start(hs, config.listeners)
await _base.start(hs, config.listeners)
hs.get_datastore().db_pool.updates.start_doing_background_updates()
except Exception:
# Print the exception and bail out.
print("Error during startup:", file=sys.stderr)
hs.get_datastore().db_pool.updates.start_doing_background_updates()
# this gives better tracebacks than traceback.print_exc()
Failure().printTraceback(file=sys.stderr)
if reactor.running:
reactor.stop()
sys.exit(1)
reactor.callWhenRunning(lambda: defer.ensureDeferred(start()))
register_start(start)
return hs