refactor: improve reliability

Signed-off-by: Anatoli Nicolae <an@thundersquared.com>

Author: anatolinicolae

web3/ansible/roles/system/migrations/tasks/main.yml

@@ -53,12 +53,14 @@
   register: migration_results
 
 - name: Record applied migrations
-  command: sqlite3 {{ migration_state_file }} "INSERT OR IGNORE INTO migrations (id) VALUES ('{{ item }}');"
+  command: sqlite3 {{ migration_state_file }} "INSERT INTO migrations (id) VALUES ('{{ item }}');"
   loop: "{{ pending_migrations }}"
+  loop_control:
+    index_var: migration_index
   when:
     - migration_results.results is defined
     - migration_results.results | length > 0
-    - not (migration_results.results[ansible_loop.index0].failed | default(false))
+    - not (migration_results.results[migration_index].failed | default(false))
 
 - name: Verify migrations were recorded
   command: sqlite3 {{ migration_state_file }} "SELECT id FROM migrations;"