cluster: reconfigure

cluster/handlers/main.yml

@@ -11,3 +11,8 @@
   systemd:
     name: pacemaker
     state: restarted
+
+- name: reload corosync
+  shell: >
+    corosync-cfgtool  -R
+

cluster/tasks/reconfigure.yml

@@ -0,0 +1,28 @@
+- name: configure pacemaker systemd override
+  copy:
+    src: pacemaker_override.conf
+    dest: "/etc/systemd/system/pacemaker.service.d/override.conf"
+  tags: configure
+  notify:
+    - restart corosync
+    - restart pacemaker
+
+- name: deploy corosync authkey
+  copy:
+    content: "{{ cluster.authkey|b64decode }}" 
+    dest: /etc/corosync/authkey
+    mode: 0400
+    owner: root
+    group: root
+  tags: configure
+  notify:
+    - restart corosync
+    - restart pacemaker
+
+- name: configure corosync
+  template:
+    src: corosync.conf
+    dest: /etc/corosync/corosync.conf
+  tags: configure
+  notify:
+    - reload corosync

cluster/templates/corosync.conf

@@ -2,9 +2,17 @@
 totem {
 	version: 2
 	cluster_name: {{ cluster.name }}
-	token: 3000
-	token_retransmits_before_loss_const: 10
+	# How long before declaring a token lost (ms)
+	token: {{ cluster.token | default(3000) }}
+	# How many token retransmits before forming a new configuration
+	token_retransmits_before_loss_const: {{ cluster.retransmits | default(10) }}
+	# Limit generated nodeids to 31-bits (positive signed integers)
 	clear_node_high_bit: yes
+{% if cluster.downcheck is defined %}
+	#how long to wait before checking that a network interface is back up after it has been downed
+	downcheck {{ cluster.downcheck | default(1000) }}
+{% endif %}
+
 	crypto_cipher: aes128
 	crypto_hash: sha256
 	ip_version: ipv4
@@ -29,7 +37,7 @@ logging {
 	logfile: /var/log/corosync/corosync.log
 	to_syslog: yes
 	syslog_facility: daemon
-	debug: off
+	debug: {{ cluster.debug | default("off") }}
 	timestamp: on
 	logger_subsys {
 		subsys: QUORUM
@@ -54,9 +62,11 @@ quorum {
 	provider: corosync_votequorum
 {% if cluster.members|length == 2 %}
 	two_node: 1
-	auto_tie_breaker: 0
-	wait_for_all: 1
-	last_man_standing: 1
+	#auto_tie_breaker: 1
+	# automaticaly set when two_node is true
+	#wait_for_all: 1
+	# this is working only on when number of running nodes >= 2 (on 2 node cluster this has no justification)
+	#last_man_standing: 1
 {% else %}
 	#XXX: automatically counted? expected_votes: {{ (cluster.members|length // 2) + 1 }}
 {% endif %}