Add variables to control logging options

Added 2 variables - pacemaker_corosync_use_logfile and
pacemaker_corosync_use_syslog which you can enable/disable to controll
where corosync log will be written to.

defaults/main.yml

@@ -1,3 +1,5 @@
 pacemaker_corosync_fqdn: false
 pacemaker_corosync_group: false
 pacemaker_corosync_ring_interface: false
+pacemaker_corosync_use_syslog: true
+pacemaker_corosync_use_logfile: false

tasks/pacemaker.yml

@@ -79,12 +79,19 @@
     owner: root
   notify: Restart corosync
 
+- name: Creates log directory
+  file:
+    path: /var/log/corosync
+    state: directory
+  when: pacemaker_corosync_use_logfile | bool is true
+
 - name: Adds logrotate config for corosync
   template:
     src: corosync_logrotate.conf.j2
     dest: /etc/logrotate.d/corosync
     mode: "0644"
     owner: root
+  when: pacemaker_corosync_use_logfile | bool is true
 
 - name: Creates services directory
   file:

templates/corosync.conf.j2

@@ -1,3 +1,4 @@
+{% set _pacemaker_corosync_bind_addr = hostvars[inventory_hostname]['ansible_' + pacemaker_corosync_ring_interface | replace('-', '_')].ipv4.address %}
 totem {
   version: 2
   cluster_name: {{ pacemaker_corosync_group }}
@@ -6,7 +7,7 @@ totem {
 {% endif %}
   interface {
     ringnumber: 0
-    bindnetaddr: {{ hostvars[inventory_hostname]['ansible_' + pacemaker_corosync_ring_interface | replace('-', '_')].ipv4.address }}
+    bindnetaddr: {{ _pacemaker_corosync_bind_addr }}
     broadcast: yes
     mcastport: 5405
   }
@@ -29,7 +30,7 @@ quorum {
 nodelist {
 {% for node in groups[pacemaker_corosync_group]|sort %}
   node {
-    ring0_addr: {{ hostvars[node]['ansible_' + pacemaker_corosync_ring_interface].ipv4.address }}
+    ring0_addr: {{ _pacemaker_corosync_bind_addr }}
     name: {{ pacemaker_corosync_fqdn | bool | ternary(hostvars[node].ansible_fqdn, node) }}
     nodeid: {{ loop.index }}
   }
@@ -38,9 +39,10 @@ nodelist {
 {% endif %}
 
 logging {
-  to_logfile: yes
+  to_logfile: {{ (pacemaker_corosync_use_logfile | bool) | ternary('yes', 'no') }}
+  {% if pacemaker_corosync_use_logfile | bool %}
   logfile: /var/log/corosync/corosync.log
-  to_syslog: yes
+  {% endif %}
+  to_syslog: {{ (pacemaker_corosync_use_syslog | bool) | ternary('yes', 'no') }}
   timestamp: on
 }
-