log-format fixes

Author: shcherbak

charts/synapse/Chart.yaml

@@ -1,3 +1,3 @@
 ---
 name: synapse
-version: 1.1.3
+version: 1.1.4

charts/synapse/templates/synapse-secret.yaml

@@ -334,12 +334,13 @@ stringData:
     ---
     disable_existing_loggers: false
     formatters:
-      precise:
-        format: "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s"
+      json:
+        class: synapse.logging.TerseJsonFormatter
     handlers:
       console:
         class: logging.StreamHandler
-        formatter: precise
+        formatter: json
+        stream: ext://sys.stdout
     loggers:
       synapse.storage.SQL:
         level: WARNING