Refactor definition of lock path

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible/+/819300
Depends-On: https://review.opendev.org/c/openstack/ansible-role-systemd_service/+/819298
Change-Id: If5622f736e17f0f187a0740d60ea435d03a131bb

defaults/main.yml

@@ -66,9 +66,10 @@ nova_system_group_name: nova
 nova_system_shell: /bin/bash
 nova_system_comment: nova system user
 nova_system_home_folder: "/var/lib/{{ nova_system_user_name }}"
+nova_system_slice_name: nova
 nova_libvirt_save_path: "{{ nova_system_home_folder }}/save"
 
-nova_lock_path: "/var/lock/nova"
+nova_lock_dir: "{{ openstack_lock_dir | default('/run/lock') }}"
 
 nova_management_address: "127.0.0.1"
 

tasks/main.yml

@@ -210,8 +210,8 @@
     systemd_user_name: "{{ nova_system_user_name }}"
     systemd_group_name: "{{ nova_system_group_name }}"
     systemd_tempd_prefix: openstack
-    systemd_slice_name: nova
-    systemd_lock_path: /var/lock/nova
+    systemd_slice_name: "{{ nova_system_slice_name }}"
+    systemd_lock_dir: "{{ nova_lock_dir }}"
     systemd_CPUAccounting: true
     systemd_BlockIOAccounting: true
     systemd_MemoryAccounting: true

tasks/nova_pre_install.yml

@@ -112,15 +112,11 @@
       mode: "0750"
       owner: "root"
       group: "root"
-    - path: "/var/cache/nova"
     - path: "{{ nova_system_home_folder }}"
     - path: "{{ nova_system_home_folder }}/.ssh"
       mode: "0700"
     - path: "{{ nova_system_home_folder }}/cache/api"
     - path: "{{ nova_system_home_folder }}/instances"
-    - path: "{{ nova_lock_path }}"
-      mode: "2755"
-    - path: "/var/run/nova"
   tags:
     - nova-dirs
 

templates/nova.conf.j2

@@ -209,7 +209,7 @@ pool_timeout = {{ nova_api_db_pool_timeout }}
 {% endif %}
 
 [oslo_concurrency]
-lock_path = {{ nova_lock_path }}
+lock_path = {{ nova_lock_dir }}/{{ nova_system_slice_name }}
 
 
 {% if nova_virt_type == 'ironic' %}