move logging config to separate file

settings2/common.py

@@ -22,15 +22,14 @@ Longer TODO:
 3. We need to handle configuration for multiple courses. This could be as 
    multiple sites, but we do need a way to map their data assets.
 """
-import os
-import platform
 import sys
 import tempfile
 
 import djcelery
 from path import path
 
-from askbotsettings import LIVESETTINGS_OPTIONS
+from askbotsettings import * # this is where LIVESETTINGS_OPTIONS comes from
+import logsettings
 
 ################################### FEATURES ###################################
 COURSEWARE_ENABLED = True
@@ -126,6 +125,7 @@ SITE_NAME = "localhost:8000"
 CSRF_COOKIE_DOMAIN = '127.0.0.1'
 HTTPS = 'on'
 ROOT_URLCONF = 'mitx.urls'
+IGNORABLE_404_ENDS = ('favicon.ico')
 
 # Email
 EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
@@ -161,93 +161,6 @@ LANGUAGE_CODE = 'en' # http://www.i18nguy.com/unicode/language-identifiers.html
 USE_I18N = True
 USE_L10N = True
 
-################################### LOGGING ####################################
-# Might want to rewrite this to use logger code and push more things to the root
-# logger.
-pid = os.getpid() # So we can log which process is creating the log
-hostname = platform.node().split(".")[0]
-
-LOG_DIR = "/tmp"
-SYSLOG_ADDRESS = ('syslog.m.i4x.org', 514)
-TRACKING_LOG_FILE = LOG_DIR + "/tracking_{0}.log".format(pid)
-
-handlers = ['console']
-
-# FIXME: re-enable syslogger later
-# if not DEBUG:
-#     handlers.append('syslogger')
-
-LOGGING_ENV = "dev" # override this in different environments
-
-LOGGING = {
-    'version': 1,
-    'disable_existing_loggers': True,
-    'formatters' : {
-        'standard' : {
-            'format' : '%(asctime)s %(levelname)s %(process)d [%(name)s] %(filename)s:%(lineno)d - %(message)s',
-        },
-        'syslog_format' : {
-            'format' : '[%(name)s][env:' + LOGGING_ENV + '] %(levelname)s [' + \
-                        hostname + ' %(process)d] [%(filename)s:%(lineno)d] - %(message)s',
-        },
-        'raw' : {
-            'format' : '%(message)s',
-        }
-    },
-    'handlers' : {
-        'console' : {
-            'level' : 'DEBUG' if DEBUG else 'INFO',
-            'class' : 'logging.StreamHandler',
-            'formatter' : 'standard',
-            'stream' : sys.stdout,
-        },
-        'console_err' : {
-            'level' : 'ERROR',
-            'class' : 'logging.StreamHandler',
-            'formatter' : 'standard',
-            'stream' : sys.stderr,
-        },
-        'syslogger' : {
-            'level' : 'INFO',
-            'class' : 'logging.handlers.SysLogHandler',
-            'address' : SYSLOG_ADDRESS,
-            'formatter' : 'syslog_format',
-        },
-        'tracking' : {
-            'level' : 'DEBUG',
-            'class' : 'logging.handlers.WatchedFileHandler',
-            'filename' : TRACKING_LOG_FILE,
-            'formatter' : 'raw',
-        },
-        'mail_admins' : {
-            'level': 'ERROR',
-            'class': 'django.utils.log.AdminEmailHandler',
-        },
-    },
-    'loggers' : {
-        'django' : {
-            'handlers' : handlers + ['mail_admins'],
-            'propagate' : True,
-            'level' : 'INFO'
-        },
-        'tracking' : {
-            'handlers' : ['tracking'],
-            'level' : 'DEBUG',
-            'propagate' : False,
-        },
-        'root' : {
-            'handlers' : handlers,
-            'level' : 'DEBUG',
-            'propagate' : False
-        },
-        'mitx' : {
-            'handlers' : handlers,
-            'level' : 'DEBUG',
-            'propagate' : False
-        },
-    }
-}
-
 #################################### AWS #######################################
 # S3BotoStorage insists on a timeout for uploaded assets. We should make it 
 # permanent instead, but rather than trying to figure out exactly where that

settings2/dev.py

@@ -12,6 +12,11 @@ from common import *
 DEBUG = True
 TEMPLATE_DEBUG = True
 
+LOGGING = logsettings.get_logger_config(ENV_ROOT / "log", 
+                                        logging_env="dev",
+                                        tracking_filename="tracking.log",
+                                        debug=True)
+
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',

settings2/logsettings.py

+import os
+import os.path
+import platform
+import sys
+
+def get_logger_config(log_dir, 
+                      logging_env="no_env", 
+                      tracking_filename=None,
+                      syslog_addr=None,
+                      debug=False):
+    """Return the appropriate logging config dictionary. You should assign the
+    result of this to the LOGGING var in your settings. The reason it's done 
+    this way instead of registering directly is because I didn't want to worry
+    about resetting the logging state if this is called multiple times when 
+    settings are extended."""
+
+    # If we're given an explicit place to put tracking logs, we do that (say for
+    # debugging). However, logging is not safe for multiple processes hitting 
+    # the same file. So if it's left blank, we dynamically create the filename
+    # based on the PID of this worker process.
+    if tracking_filename:
+        tracking_file_loc = os.path.join(log_dir, tracking_filename)
+    else:
+        pid = os.getpid() # So we can log which process is creating the log
+        tracking_file_loc = os.path.join(log_dir, "tracking_{0}.log".format(pid))
+
+    hostname = platform.node().split(".")[0]
+    syslog_format = ("[%(name)s][env:{logging_env}] %(levelname)s [{hostname} " +
+                     " %(process)d] [%(filename)s:%(lineno)d] - %(message)s").format(
+                        logging_env=logging_env, hostname=hostname)
+
+    handlers = ['console'] if debug else ['syslog']
+
+    return {
+        'version': 1,
+        'disable_existing_loggers': True,
+        'formatters' : {
+            'standard' : {
+                'format' : '%(asctime)s %(levelname)s %(process)d [%(name)s] %(filename)s:%(lineno)d - %(message)s',
+            },
+            'syslog_format' : { 'format' : syslog_format },
+            'raw' : { 'format' : '%(message)s' },
+        },
+        'handlers' : {
+            'console' : {
+                'level' : 'DEBUG' if debug else 'INFO',
+                'class' : 'logging.StreamHandler',
+                'formatter' : 'standard',
+                'stream' : sys.stdout,
+            },
+            'syslogger' : {
+                'level' : 'INFO',
+                'class' : 'logging.handlers.SysLogHandler',
+                'address' : syslog_addr,
+                'formatter' : 'syslog_format',
+            },
+            'tracking' : {
+                'level' : 'DEBUG',
+                'class' : 'logging.handlers.WatchedFileHandler',
+                'filename' : tracking_file_loc,
+                'formatter' : 'raw',
+            },
+        },
+        'loggers' : {
+            'django' : {
+                'handlers' : handlers,
+                'propagate' : True,
+                'level' : 'INFO'
+            },
+            'tracking' : {
+                'handlers' : ['tracking'],
+                'level' : 'DEBUG',
+                'propagate' : False,
+            },
+            'root' : {
+                'handlers' : handlers,
+                'level' : 'DEBUG',
+                'propagate' : False
+            },
+            'mitx' : {
+                'handlers' : handlers,
+                'level' : 'DEBUG',
+                'propagate' : False
+            },
+        }
+    }
\ No newline at end of file