feat(azure-db): prevent foot in the door user reconnection (#582)

SocialGouv · Mar 26, 2021 · c5d7386 · c5d7386
1 parent cd11152
commit c5d7386
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/azure-db/bin/drop-db-user b/azure-db/bin/drop-db-user
@@ -26,7 +26,14 @@ DROP_USER_BASE=${DROP_USER%%@*} || $DROP_USER
 echo
 echo "disconnect activities on database ${DROP_DATABASE} on ${PGHOST}"
 psql -abe "$PG_URL_ADMIN" -c "
-  SELECT pg_terminate_backend (pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = '${DROP_DATABASE}';
+  -- Inspired by https://stackoverflow.com/questions/3185266/postgresql-temporarily-disable-connections
+  -- Temporarily disable connections
+  UPDATE pg_database SET datallowconn = false WHERE datname = '${DROP_DATABASE}';
+
+  -- Disconnect users from database 
+  SELECT pg_terminate_backend (pg_stat_activity.pid)
+  FROM pg_stat_activity
+  WHERE pg_stat_activity.datname = '${DROP_DATABASE}';
 "
 
 echo