Add logrotate to libvirt service

Change-Id: I5d6af3707c3de4466699f1a0e6ff2f2e2fe4e123
(cherry picked from commit f17bd2d)

Author: likui

ansible/roles/common/tasks/config.yml

@@ -211,6 +211,7 @@
       - { name: "neutron-tls-proxy", enabled: "{{ neutron_enable_tls_backend |
       bool }}" }
       - { name: "nova", enabled: "{{ enable_nova | bool }}" }
+      - { name: "nova-libvirt", enabled: "{{ enable_nova | bool and nova_compute_virt_type in ['kvm', 'qemu'] }}" }
       - { name: "octavia", enabled: "{{ enable_octavia | bool }}" }
       - { name: "outward-rabbitmq", enabled: "{{ enable_outward_rabbitmq | bool }}" }
       - { name: "panko", enabled: "{{ enable_panko | bool }}" }

ansible/roles/common/templates/cron-logrotate-nova-libvirt.conf.j2

@@ -0,0 +1,3 @@
+"/var/log/kolla/libvirt/*.log"
+{
+}