azure_cdn: use subgroups, attempt 3

app/terraform/proxy/__init__.py

@@ -1,6 +1,8 @@
 import datetime
 from collections import defaultdict
 
+from sqlalchemy import text
+
 from app import app
 from app.extensions import db
 from app.models.base import Group
@@ -11,13 +13,13 @@ from app.terraform import BaseAutomation
 class ProxyAutomation(BaseAutomation):
     def get_subgroups(self):
         conn = db.engine.connect()
-        result = conn.execute("""
+        result = conn.execute(text("""
         SELECT origin.group_id, proxy.psg, COUNT(proxy.id) FROM proxy, origin
         WHERE proxy.origin_id = origin.id
             AND proxy.destroyed IS NULL
             AND proxy.provider = :provider
         GROUP BY origin.group_id, proxy.psg;
-        """, provider=self.provider)
+        """), provider=self.provider)
         subgroups = defaultdict(lambda: defaultdict(lambda: 0))
         for row in result:
             subgroups[row[0]][row[1]] = row[2]