bundles/matrix-synapse: ensure matrix-synapse does not mess with our homeserver.yaml

bundles/matrix-synapse/files/report_stats.yaml

@@ -0,0 +1,5 @@
+# This file is autogenerated, and will be recreated on upgrade if it is deleted.
+# Any changes you make will be preserved.
+
+# Whether to report anonymized homeserver usage statistics.
+report_stats: false

bundles/matrix-synapse/files/server_name.yaml

@@ -0,0 +1,9 @@
+# This file is autogenerated, and will be recreated on upgrade if it is deleted.
+# Any changes you make will be preserved.
+
+# The domain name of the server, with optional explicit port.
+# This is used by remote servers to connect to this server,
+# e.g. matrix.org, localhost:8080, etc.
+# This is also the last part of your UserID.
+#
+server_name: ${server_name}

bundles/matrix-synapse/items.py

@@ -24,6 +24,18 @@ files = {
     '/etc/matrix-synapse/homeserver.signing.key': {
         'content': repo.vault.decrypt_file('matrix-synapse/{}/homeserver_signing.key.vault'.format(node.name)),
     },
+    '/etc/matrix-synapse/conf.d/server_name.yaml': {
+        # We don't actually need this file. However, if we don't put the
+        # server name in there, synapse will somehow remove it from
+        # homeserver.yaml when installing a new matrix-synapse package.
+        # Our override.conf ensures this file is never read, so we don't
+        # need to restart synapse after changing stuff in here.
+        'content_type': 'mako',
+        'context': node.metadata['matrix-synapse'],
+    },
+    '/etc/matrix-synapse/conf.d/report_stats.yaml': {
+        # see comment above
+    },
 }
 
 svc_systemd = {