add rollback playbook

Signed-off-by: Stephen Coady <scoady@redhat.com>

playbooks/manual/fas-readonly/rollback-readonly.yml

@@ -0,0 +1,17 @@
+---
+- name: change fas db to writable again
+  hosts: db-fas01.iad2.fedoraproject.org:db-fas01.stg.iad2.fedoraproject.org
+  user: root
+  vars_files:
+   - /srv/web/infra/ansible/vars/global.yml
+   - "/srv/private/ansible/vars.yml"
+   - /srv/web/infra/ansible/vars/{{ ansible_distribution }}.yml
+  tasks:
+  - name: copy the sql script to file
+    template: src=rollback.sql dest=/var/lib/pgsql/rollback.sql
+
+  - name: rollback permissions for relevant tables in the fas db
+    shell: psql -1 -v ON_ERROR_STOP=1 fas2 </var/lib/pgsql/rollback.sql
+    become: yes
+    become_user: postgres
+    become_method: su

playbooks/manual/fas-readonly/rollback.sql

@@ -0,0 +1,11 @@
+--
+-- Make fas writable again
+--
+
+
+GRANT ALL PRIVILEGES on people to fas;
+GRANT ALL PRIVILEGES on groups to fas;
+GRANT ALL PRIVILEGES on group_roles to fas;
+GRANT ALL PRIVILEGES on person_roles to fas;
+GRANT ALL PRIVILEGES on person_roles_fcpa to fas;
+GRANT ALL PRIVILEGES on bugzilla_queue to fas;