added logging formatting options (#979)

* added logging formatting options

* added docs for log formatting options

* fixed naming format

docs/docs/workers.md

@@ -61,6 +61,8 @@ In addition to `--burst`, `rq worker` also accepts these arguments:
 * `--job-class` or `-j`: RQ Job class to use.
 * `--queue-class`: RQ Queue class to use.
 * `--connection-class`: Redis connection class to use, defaults to `redis.StrictRedis`.
+* `--log-format`: Format for the worker logs, defaults to `'%(asctime)s %(message)s'`
+* `--date-format`: Datetime format for the worker logs, defaults to `'%H:%M:%S'`
 
 
 ## Inside the worker

rq/cli/cli.py

@@ -20,7 +20,8 @@ from rq.contrib.legacy import cleanup_ghosts
 from rq.defaults import (DEFAULT_CONNECTION_CLASS, DEFAULT_JOB_CLASS,
                          DEFAULT_QUEUE_CLASS, DEFAULT_WORKER_CLASS,
                          DEFAULT_RESULT_TTL, DEFAULT_WORKER_TTL,
-                         DEFAULT_JOB_MONITORING_INTERVAL)
+                         DEFAULT_JOB_MONITORING_INTERVAL,
+                         DEFAULT_LOGGING_FORMAT, DEFAULT_LOGGING_DATE_FORMAT)
 from rq.exceptions import InvalidJobOperationError
 from rq.utils import import_attribute
 from rq.suspension import (suspend as connection_suspend,
@@ -173,6 +174,8 @@ def info(cli_config, interval, raw, only_queues, only_workers, by_queue, queues,
 @main.command()
 @click.option('--burst', '-b', is_flag=True, help='Run in burst mode (quit after all work is done)')
 @click.option('--logging_level', type=str, default="INFO", help='Set logging level')
+@click.option('--log-format', type=str, default=DEFAULT_LOGGING_FORMAT, help='Set the format of the logs')
+@click.option('--date-format', type=str, default=DEFAULT_LOGGING_DATE_FORMAT, help='Set the date format of the logs')
 @click.option('--name', '-n', help='Specify a different name')
 @click.option('--results-ttl', type=int, default=DEFAULT_RESULT_TTL , help='Default results timeout to be used')
 @click.option('--worker-ttl', type=int, default=DEFAULT_WORKER_TTL , help='Default worker timeout to be used')
@@ -186,7 +189,7 @@ def info(cli_config, interval, raw, only_queues, only_workers, by_queue, queues,
 @pass_cli_config
 def worker(cli_config, burst, logging_level, name, results_ttl,
            worker_ttl, job_monitoring_interval, verbose, quiet, sentry_dsn,
-           exception_handler, pid, queues, **options):
+           exception_handler, pid, queues, log_format, date_format, **options):
     """Starts an RQ worker."""
 
     settings = read_config_file(cli_config.config) if cli_config.config else {}
@@ -198,7 +201,7 @@ def worker(cli_config, burst, logging_level, name, results_ttl,
         with open(os.path.expanduser(pid), "w") as fp:
             fp.write(str(os.getpid()))
 
-    setup_loghandlers_from_args(verbose, quiet)
+    setup_loghandlers_from_args(verbose, quiet, date_format, log_format)
 
     try:
 
@@ -233,7 +236,7 @@ def worker(cli_config, burst, logging_level, name, results_ttl,
             client = Client(sentry_dsn, transport=HTTPTransport)
             register_sentry(client, worker)
 
-        worker.work(burst=burst, logging_level=logging_level)
+        worker.work(burst=burst, logging_level=logging_level, date_format=date_format, log_format=log_format)
     except ConnectionError as e:
         print(e)
         sys.exit(1)

rq/cli/helpers.py

@@ -203,7 +203,7 @@ def refresh(interval, func, *args):
             break
 
 
-def setup_loghandlers_from_args(verbose, quiet):
+def setup_loghandlers_from_args(verbose, quiet, date_format, log_format):
     if verbose and quiet:
         raise RuntimeError("Flags --verbose and --quiet are mutually exclusive.")
 
@@ -213,7 +213,7 @@ def setup_loghandlers_from_args(verbose, quiet):
         level = 'WARNING'
     else:
         level = 'INFO'
-    setup_loghandlers(level)
+    setup_loghandlers(level, date_format=date_format, log_format=log_format)
 
 
 class CliConfig(object):

rq/defaults.py

@@ -5,3 +5,5 @@ DEFAULT_CONNECTION_CLASS = 'redis.StrictRedis'
 DEFAULT_WORKER_TTL = 420
 DEFAULT_JOB_MONITORING_INTERVAL = 30
 DEFAULT_RESULT_TTL = 500
+DEFAULT_LOGGING_DATE_FORMAT = '%H:%M:%S'
+DEFAULT_LOGGING_FORMAT = '%(asctime)s %(message)s'

rq/logutils.py

@@ -5,14 +5,16 @@ from __future__ import (absolute_import, division, print_function,
 import logging
 
 from rq.utils import ColorizingStreamHandler
+from rq.defaults import (DEFAULT_LOGGING_FORMAT,
+                         DEFAULT_LOGGING_DATE_FORMAT)
 
 
-def setup_loghandlers(level):
+def setup_loghandlers(level, date_format=DEFAULT_LOGGING_DATE_FORMAT,
+                      log_format=DEFAULT_LOGGING_FORMAT):
     logger = logging.getLogger('rq.worker')
     if not _has_effective_handler(logger):
         logger.setLevel(level)
-        formatter = logging.Formatter(fmt='%(asctime)s %(message)s',
+        formatter = logging.Formatter(fmt=log_format, datefmt=date_format)
-                                      datefmt='%H:%M:%S')
         handler = ColorizingStreamHandler()
         handler.setFormatter(formatter)
         logger.addHandler(handler)

rq/worker.py

@@ -24,7 +24,8 @@ from redis import WatchError
 from . import worker_registration
 from .compat import PY2, as_text, string_types, text_type
 from .connections import get_current_connection, push_connection, pop_connection
-from .defaults import DEFAULT_RESULT_TTL, DEFAULT_WORKER_TTL, DEFAULT_JOB_MONITORING_INTERVAL
+from .defaults import (DEFAULT_RESULT_TTL, DEFAULT_WORKER_TTL, DEFAULT_JOB_MONITORING_INTERVAL,
+                       DEFAULT_LOGGING_FORMAT, DEFAULT_LOGGING_DATE_FORMAT)
 from .exceptions import DequeueTimeout, ShutDownImminentException
 from .job import Job, JobStatus
 from .logutils import setup_loghandlers
@@ -450,7 +451,8 @@ class Worker(object):
         if before_state:
             self.set_state(before_state)
 
-    def work(self, burst=False, logging_level="INFO"):
+    def work(self, burst=False, logging_level="INFO", date_format=DEFAULT_LOGGING_DATE_FORMAT,
+             log_format=DEFAULT_LOGGING_FORMAT):
         """Starts the work loop.
 
         Pops and performs all jobs on the current list of queues.  When all
@@ -459,7 +461,7 @@ class Worker(object):
 
         The return value indicates whether any jobs were processed.
         """
-        setup_loghandlers(logging_level)
+        setup_loghandlers(logging_level, date_format, log_format)
         self._install_signal_handlers()
 
         did_perform_work = False