The sendalerts commands measures notification dwell time and reports it over statsd protocol. Experimental, may go away in a future commit.

CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 - Add a Pause button in the checks list (#312)
 - Documentation in Markdown
 - Added an example of capturing and submitting log output (#315)
+- The sendalerts commands measures dwell time and reports it over statsd protocol
 
 ### Bug Fixes
 - Increase the allowable length of Matrix room alias to 100 (#320)

hc/api/management/commands/sendalerts.py

@@ -4,6 +4,7 @@ from threading import Thread
 from django.core.management.base import BaseCommand
 from django.utils import timezone
 from hc.api.models import Check, Flip
+from statsd.defaults.env import statsd
 
 
 def notify(flip_id, stdout):
@@ -24,10 +25,13 @@ def notify(flip_id, stdout):
         check.project.set_next_nag_date()
 
     # Send notifications
+    send_time = timezone.now()
     errors = flip.send_alerts()
     for ch, error in errors:
         stdout.write("ERROR: %s %s %s\n" % (ch.kind, ch.value, error))
 
+    statsd.timing("hc.sendalerts.dwellTime", send_time - flip.created)
+
 
 def notify_on_thread(flip_id, stdout):
     t = Thread(target=notify, args=(flip_id, stdout))

requirements.txt

@@ -4,3 +4,4 @@ django-compressor==2.4
 psycopg2==2.8.4
 pytz==2019.3
 requests==2.22.0
+statsd=3.3.0