diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index f3ac3d19f0..ffc49d77cc 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -13,10 +13,12 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
+
import gc
import logging
import os
import sys
+import traceback
from six import iteritems
@@ -324,17 +326,12 @@ def setup(config_options):
events.USE_FROZEN_DICTS = config.use_frozen_dicts
- tls_server_context_factory = context_factory.ServerContextFactory(config)
- tls_client_options_factory = context_factory.ClientTLSOptionsFactory(config)
-
database_engine = create_engine(config.database_config)
config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection
hs = SynapseHomeServer(
config.server_name,
db_config=config.database_config,
- tls_server_context_factory=tls_server_context_factory,
- tls_client_options_factory=tls_client_options_factory,
config=config,
version_string="Synapse/" + get_version_string(synapse),
database_engine=database_engine,
@@ -361,12 +358,53 @@ def setup(config_options):
logger.info("Database prepared in %s.", config.database_config['name'])
hs.setup()
- hs.start_listening()
+ @defer.inlineCallbacks
def start():
- hs.get_pusherpool().start()
- hs.get_datastore().start_profiling()
- hs.get_datastore().start_doing_background_updates()
+ try:
+ # Check if the certificate is still valid.
+ cert_days_remaining = hs.config.is_disk_cert_valid()
+
+ if hs.config.acme_enabled:
+ # If ACME is enabled, we might need to provision a certificate
+ # before starting.
+ acme = hs.get_acme_handler()
+
+ # Start up the webservices which we will respond to ACME
+ # challenges with.
+ yield acme.start_listening()
+
+ # We want to reprovision if cert_days_remaining is None (meaning no
+ # certificate exists), or the days remaining number it returns
+ # is less than our re-registration threshold.
+ if (cert_days_remaining is None) or (
+ not cert_days_remaining > hs.config.acme_reprovision_threshold
+ ):
+ yield acme.provision_certificate()
+
+ # Read the certificate from disk and build the context factories for
+ # TLS.
+ hs.config.read_certificate_from_disk()
+ hs.tls_server_context_factory = context_factory.ServerContextFactory(config)
+ hs.tls_client_options_factory = context_factory.ClientTLSOptionsFactory(
+ config
+ )
+
+ # It is now safe to start your Synapse.
+ hs.start_listening()
+ hs.get_pusherpool().start()
+ hs.get_datastore().start_profiling()
+ hs.get_datastore().start_doing_background_updates()
+ except Exception as e:
+ # If a DeferredList failed (like in listening on the ACME listener),
+ # we need to print the subfailure explicitly.
+ if isinstance(e, defer.FirstError):
+ e.subFailure.printTraceback(sys.stderr)
+ sys.exit(1)
+
+ # Something else went wrong when starting. Print it and bail out.
+ traceback.print_exc(file=sys.stderr)
+ sys.exit(1)
reactor.callWhenRunning(start)
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