1 files changed, 79 insertions, 8 deletions
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index 247b324816..fa542623b7 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -19,25 +19,88 @@ from twisted.python.log import PythonLoggingObserver
 import logging
 import logging.config
 import yaml
+from string import Template
+import os
+
+
+DEFAULT_LOG_CONFIG = Template("""
+version: 1
+
+formatters:
+  precise:
+   format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s\
+- %(message)s'
+
+filters:
+  context:
+    (): synapse.util.logcontext.LoggingContextFilter
+    request: ""
+
+handlers:
+  file:
+    class: logging.handlers.RotatingFileHandler
+    formatter: precise
+    filename: ${log_file}
+    maxBytes: 104857600
+    backupCount: 10
+    filters: [context]
+    level: INFO
+  console:
+    class: logging.StreamHandler
+    formatter: precise
+
+loggers:
+    synapse:
+        level: INFO
+
+    synapse.storage.SQL:
+        level: INFO
+
+root:
+    level: INFO
+    handlers: [file, console]
+""")
 
 
 class LoggingConfig(Config):
-    def __init__(self, args):
-        super(LoggingConfig, self).__init__(args)
-        self.verbosity = int(args.verbose) if args.verbose else None
-        self.log_config = self.abspath(args.log_config)
-        self.log_file = self.abspath(args.log_file)
 
-    @classmethod
+    def read_config(self, config):
+        self.verbosity = config.get("verbose", 0)
+        self.log_config = self.abspath(config.get("log_config"))
+        self.log_file = self.abspath(config.get("log_file"))
+
+    def default_config(self, config_dir_path, server_name):
+        log_file = self.abspath("homeserver.log")
+        log_config = self.abspath(
+            os.path.join(config_dir_path, server_name + ".log.config")
+        )
+        return """
+        # Logging verbosity level.
+        verbose: 0
+
+        # File to write logging to
+        log_file: "%(log_file)s"
+
+        # A yaml python logging config file
+        log_config: "%(log_config)s"
+        """ % locals()
+
+    def read_arguments(self, args):
+        if args.verbose is not None:
+            self.verbosity = args.verbose
+        if args.log_config is not None:
+            self.log_config = args.log_config
+        if args.log_file is not None:
+            self.log_file = args.log_file
+
     def add_arguments(cls, parser):
-        super(LoggingConfig, cls).add_arguments(parser)
         logging_group = parser.add_argument_group("logging")
         logging_group.add_argument(
             '-v', '--verbose', dest="verbose", action='count',
             help="The verbosity level."
         )
         logging_group.add_argument(
-            '-f', '--log-file', dest="log_file", default="homeserver.log",
+            '-f', '--log-file', dest="log_file",
             help="File to log to."
         )
         logging_group.add_argument(
@@ -45,6 +108,14 @@ class LoggingConfig(Config):
             help="Python logging config file"
         )
 
+    def generate_files(self, config):
+        log_config = config.get("log_config")
+        if log_config and not os.path.exists(log_config):
+            with open(log_config, "wb") as log_config_file:
+                log_config_file.write(
+                    DEFAULT_LOG_CONFIG.substitute(log_file=config["log_file"])
+                )
+
     def setup_logging(self):
         log_format = (
             "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s"