Add tasks to remove legacy files

The change removes legacy files which conflict with new services being
deployed during a rolling upgrade. This change adds two tasks to remove
any legacy files should they be found and removes old cleanup handlers
that are no longer in service.

Change-Id: Ie593a80e0e6708c50f7809171fa47c7043a2e136
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>

handlers/main.yml

@@ -54,46 +54,6 @@
     - "venv changed"
     - "Restart uWSGI"
 
-# NOTE(mnaser): This should be removed in the Stein cycle
-- name: Stop and disable keystone-wsgi-admin
-  shell: |
-    return_code=0
-    if [[ "$(systemctl is-active keystone-wsgi-admin)" == "active" ]]; then
-      systemctl stop keystone-wsgi-admin
-      return_code=2
-    fi
-    if [[ "$(systemctl is-enabled keystone-wsgi-admin)" == "enabled" ]]; then
-      systemctl disable keystone-wsgi-admin
-      return_code=2
-    fi
-    exit ${return_code}
-  args:
-    executable: /bin/bash
-  register: _remove_admin_service
-  changed_when: _remove_admin_service.rc == 2
-  failed_when: _remove_admin_service.rc not in [0, 2]
-  listen: "Restart uWSGI"
-  # This task causes ansible-lint to give a ANSIBLE0014
-  # error, which does not make much sense given how the
-  # environment variable is used in this case.
-  # TODO(odyssey4me):
-  # Try to understand the issue ansible-lint is trying
-  # to highlight and address it.
-  tags:
-    - skip_ansible_lint
-
-# NOTE(mnaser): This should be removed in the Stein cycle
-- name: Clean up keystone-wsgi-admin service files
-  file:
-    path: "{{ item }}"
-    state: absent
-  with_items:
-    - "/etc/tmpfiles.d/openstack-keystone-wsgi-admin.conf"
-    - "/etc/systemd/system/keystone-wsgi-admin.service"
-    - "/etc/uwsgi/keystone-wsgi-admin.ini"
-    - "/var/www/cgi-bin/keystone/admin"
-  listen: "Restart uWSGI"
-
 # Note (odyssey4me):
 # The policy.json file is currently read continually by the services
 # and is not only read on service start. We therefore cannot template

tasks/keystone_nginx.yml

@@ -27,6 +27,16 @@
     - Manage LB
     - Restart web server
 
+# TODO(cloudnull):
+# This is to cater for Q-R, R-S upgrades and can be removed in T
+- name: Remove legacy nginx config
+  file:
+    path: /etc/nginx/sites-enabled/keystone-wsgi-admin.conf
+    state: absent
+  notify:
+    - Manage LB
+    - Restart web server
+
 - name: Ensure configuration directories exist
   file:
     path: "{{ item }}"
@@ -35,17 +45,6 @@
     - "/etc/nginx/{{ keystone_nginx_conf_path }}"
     - "/etc/nginx/conf.d"
 
-# TODO(odyssey4me):
-# This is to cater for P->Q, Q-R upgrades and can be removed in S
-- name: Remove previously implemented custom nginx log format
-  lineinfile:
-    dest: "/etc/nginx/nginx.conf"
-    line: "log_format custom '{{ keystone_nginx_access_log_format_combined }} {{ keystone_nginx_access_log_format_extras }}';"
-    state: absent
-  notify:
-    - Manage LB
-    - Restart web server
-
 - name: Configure custom nginx log format
   copy:
     # NOTE(odyssey4me):

tasks/keystone_uwsgi.yml

@@ -61,3 +61,12 @@
   tags:
     - keystone-config
     - systemd-service
+
+# This is to cater for Q-R, R-S upgrades and can be removed in T
+- name: Stop and disable keystone-wsgi-admin
+  file:
+    path: /etc/systemd/system/keystone-wsgi-admin.service
+    state: absent
+  notify:
+    - Manage LB
+    - Restart web server