support workder name override from config file (#947)

* support workder name override from config file

* update docs for NAME config

* Update workers.md

docs/docs/workers.md

@@ -225,6 +225,9 @@ QUEUES = ['high', 'normal', 'low']
 # to configure RQ for it in a single step
 # The 'sync+' prefix is required for raven: https://github.com/nvie/rq/issues/350#issuecomment-43592410
 SENTRY_DSN = 'sync+http://public:secret@example.com/1'
+
+# If you want custom worker name
+# NAME = 'worker-1024'
 {% endhighlight %}
 
 The example above shows all the options that are currently supported.

rq/cli/cli.py

@@ -196,6 +196,7 @@ def worker(cli_config, burst, logging_level, name, results_ttl,
     # Worker specific default arguments
     queues = queues or settings.get('QUEUES', ['default'])
     sentry_dsn = sentry_dsn or settings.get('SENTRY_DSN')
+    name = name or settings.get('NAME')
 
     if pid:
         with open(os.path.expanduser(pid), "w") as fp: