Update/add flag for description logging (#991)

* test workers

* indent

* add docs and add option to the cli

* rename flag for cli

* logging

4 files changed, 33 insertions, 4 deletions

diff --git a/docs/docs/workers.md b/docs/docs/workers.md
index e3d205e..25b047e 100644
--- a/docs/docs/workers.md
+++ b/docs/docs/workers.md
@@ -63,7 +63,7 @@ In addition to `--burst`, `rq worker` also accepts these arguments:
 * `--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'`
-
+* `--disable-job-desc-logging`: Turn off job description logging.
 
 ## Inside the worker
 
diff --git a/rq/cli/cli.py b/rq/cli/cli.py
index 81ef810..2b75a16 100755
--- a/rq/cli/cli.py
+++ b/rq/cli/cli.py
@@ -180,6 +180,7 @@ def info(cli_config, interval, raw, only_queues, only_workers, by_queue, queues,
 @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')
 @click.option('--job-monitoring-interval', type=int, default=DEFAULT_JOB_MONITORING_INTERVAL , help='Default job monitoring interval to be used')
+@click.option('--disable-job-desc-logging', is_flag=True, help='Turn off description logging.')
 @click.option('--verbose', '-v', is_flag=True, help='Show more output')
 @click.option('--quiet', '-q', is_flag=True, help='Show less output')
 @click.option('--sentry-dsn', envvar='SENTRY_DSN', help='Report exceptions to this Sentry DSN')
diff --git a/rq/worker.py b/rq/worker.py
index 3e21cf4..bdb5a0f 100644
--- a/rq/worker.py
+++ b/rq/worker.py
@@ -100,6 +100,8 @@ class Worker(object):
     # `log_result_lifespan` controls whether "Result is kept for XXX seconds"
     # messages are logged after every job, by default they are.
     log_result_lifespan = True
+    # `log_job_description` is used to toggle logging an entire jobs description.
+    log_job_description = True
 
     @classmethod
     def all(cls, connection=None, job_class=None, queue_class=None, queue=None):
@@ -160,7 +162,8 @@ class Worker(object):
                  connection=None, exc_handler=None, exception_handlers=None,
                  default_worker_ttl=DEFAULT_WORKER_TTL, job_class=None,
                  queue_class=None,
-                 job_monitoring_interval=DEFAULT_JOB_MONITORING_INTERVAL):  # noqa
+                 job_monitoring_interval=DEFAULT_JOB_MONITORING_INTERVAL,
+                 log_job_description=True):  # noqa
         if connection is None:
             connection = get_current_connection()
         self.connection = connection
@@ -187,6 +190,7 @@ class Worker(object):
         self._horse_pid = 0
         self._stop_requested = False
         self.log = logger
+        self.log_job_description = log_job_description
         self.failed_queue = get_failed_queue(connection=self.connection,
                                              job_class=self.job_class)
         self.last_cleaned_at = None
@@ -519,9 +523,15 @@ class Worker(object):
                                                       connection=self.connection,
                                                       job_class=self.job_class)
                 if result is not None:
+
                     job, queue = result
-                    self.log.info('{0}: {1} ({2})'.format(green(queue.name),
-                                                          blue(job.description), job.id))
+                    if self.log_job_description:
+                        self.log.info('{0}: {1} ({2})'.format(green(queue.name),
+                                                              blue(job.description),
+                                                              job.id))
+                    else:
+                        self.log.info('{0}:{1}'.format(green(queue.name),
+                                                       job.id))
 
                 break
             except DequeueTimeout:
diff --git a/tests/test_worker.py b/tests/test_worker.py
index 9a18a37..b826f2b 100644
--- a/tests/test_worker.py
+++ b/tests/test_worker.py
@@ -816,6 +816,24 @@ class TestWorker(RQTestCase):
         w.perform_job(job, q)
         self.assertNotIn('Result is kept for 10 seconds', [c[0][0] for c in mock_logger_info.call_args_list])
 
+    @mock.patch('rq.worker.logger.info')
+    def test_log_job_description_true(self, mock_logger_info):
+        """Check that log_job_description True causes job lifespan to be logged."""
+        q = Queue()
+        w = Worker([q])
+        job = q.enqueue(say_hello, args=('Frank',), result_ttl=10)
+        w.dequeue_job_and_maintain_ttl(10)
+        self.assertIn("Frank",  mock_logger_info.call_args[0][0])
+
+    @mock.patch('rq.worker.logger.info')
+    def test_log_job_description_false(self, mock_logger_info):
+        """Check that log_job_description False causes job lifespan to not be logged."""
+        q = Queue()
+        w = Worker([q], log_job_description=False)
+        job = q.enqueue(say_hello, args=('Frank',), result_ttl=10)
+        w.dequeue_job_and_maintain_ttl(10)
+        self.assertNotIn("Frank", mock_logger_info.call_args[0][0])
+
 
 def kill_worker(pid, double_kill):
     # wait for the worker to be started over on the main process