metrics: expose more metrics via statsd

- expections
- celery tasks with statuses

rhodecode/api/__init__.py

@@ -177,6 +177,10 b' def exception_view(exc, request):'
         exc_info = exc.exc_info()
         store_exception(id(exc_info), exc_info, prefix='rhodecode-api')
 
+        statsd = request.registry.statsd
+        if statsd:
+            statsd.incr('rhodecode_exception', tags=["api"])
+
     return jsonrpc_error(request, fault_message, rpc_id)
 
 

rhodecode/lib/celerylib/loader.py

@@ -170,12 +170,16 b' def task_retry_signal('
 def task_failure_signal(
         task_id, exception, args, kwargs, traceback, einfo, **kargs):
     from rhodecode.lib.exc_tracking import store_exception
+    from rhodecode.lib.statsd_client import StatsdClient
 
     meta.Session.remove()
 
     # simulate sys.exc_info()
     exc_info = (einfo.type, einfo.exception, einfo.tb)
     store_exception(id(exc_info), exc_info, prefix='rhodecode-celery')
+    statsd = StatsdClient.statsd
+    if statsd:
+        statsd.incr('rhodecode_exception', tags=["celery"])
 
     closer = celery_app.conf['PYRAMID_CLOSER']
     if closer: