add shoddy statsd support

app.py

@@ -9,6 +9,7 @@ from flask_limiter import Limiter
 from flask_limiter.util import get_remote_address
 from lib import get_viewer
 import os
+from lib.statsd import StatsdMiddleware
 
 app = Flask(__name__)
 
@@ -89,3 +90,5 @@ def install_security_headers(resp):
     resp.headers.set('x-xss-protection', '1')
 
     return resp
+
+app.wsgi_app = StatsdMiddleware(app.wsgi_app)

lib/statsd.py

@@ -0,0 +1,16 @@
+import time
+from statsd.defaults.env import statsd
+
+class StatsdMiddleware(object):
+    def __init__(self, app):
+        self.app = app
+
+    def __call__(self, environ, start_response):
+        timer_name = 'forget.http.{}.{}'.format(
+                environ.get('PATH_INFO').replace('/', '.').strip('.') or 'index',
+                environ.get('REQUEST_METHOD'))
+        with statsd.timer(timer_name):
+            response = self.app(environ, start_response)
+
+        return response
+

requirements.txt

@@ -42,3 +42,4 @@ urllib3==1.22
 vine==1.1.4
 Werkzeug==0.12.2
 git+https://github.com/codl/Mastodon.py.git@forget
+statsd=3.2.1