Removed the _delivery_status endpoint.

The test this status check was doing does not reflect real traffic of Notify. It is typical for messages to be in 'sending' for a while (people turn off their phone for example).

app/status/healthcheck.py

@@ -1,17 +1,10 @@
-from datetime import (
-    datetime,
-    timedelta
-)
-
 from flask import (
     jsonify,
     Blueprint,
-    request,
-    current_app
+    request
 )
 
 from app import db, version
-from app.models import Notification
 
 status = Blueprint('status', __name__)
 
@@ -29,38 +22,7 @@ def show_status():
             db_version=get_db_version()), 200
 
 
-@status.route('/_delivery_status')
-def show_delivery_status():
-    if request.args.get('elb', None):
-        return jsonify(status="ok"), 200
-    else:
-        notifications_alert = current_app.config['NOTIFICATIONS_ALERT']
-        some_number_of_minutes_ago = datetime.utcnow() - timedelta(minutes=notifications_alert)
-        notifications = Notification.query.filter(Notification.status == 'sending',
-                                                  Notification.created_at < some_number_of_minutes_ago).all()
-        message = "{} notifications in sending state over {} minutes".format(len(notifications), notifications_alert)
-        if notifications:
-            return jsonify(
-                status="error",
-                message=message,
-                travis_commit=version.__travis_commit__,
-                travis_build_number=version.__travis_job_number__,
-                build_time=version.__time__,
-                db_version=get_db_version()), 500
-
-        return jsonify(
-            status="ok",
-            message=message,
-            travis_commit=version.__travis_commit__,
-            travis_build_number=version.__travis_job_number__,
-            build_time=version.__time__,
-            db_version=get_db_version()), 200
-
-
 def get_db_version():
-    try:
-        query = 'SELECT version_num FROM alembic_version'
-        full_name = db.session.execute(query).fetchone()[0]
-        return full_name
-    except:
-        return 'n/a'
+    query = 'SELECT version_num FROM alembic_version'
+    full_name = db.session.execute(query).fetchone()[0]
+    return full_name