changed method of determining master node

3 files changed, 28 insertions, 15 deletions

diff --git a/README.md b/README.md
index 88f3c94..28b2b03 100644
--- a/README.md
+++ b/README.md
@@ -10,15 +10,11 @@ Any pre-requisites that may not be covered by Ansible itself or the role should
 
 Role Variables
 --------------
-define in one host_vars/host config to designate the master_rabbit_node
-````
-master_rabbit_node: true
-````
 
 ````
-enable_rabbitmq_clustering: false  #defines if setting up a rabbitmq cluster...define here or in group_vars/group
 config_rabbitmq_ha: false  #defines if rabbitmq ha should be configured...define here or in group_vars/group
-master_rabbit_node: false  #defines if node should be considered master...define as true in one host in host_vars/host out of all nodes to be part of cluster
+enable_rabbitmq_clustering: false  #defines if setting up a rabbitmq cluster...define here or in group_vars/group
+erlang_cookie: LSKNKBELKPSTDBBCHETL  #define erlang cookie for cluster...define here or in group_vars/group
 rabbitmq_config:
   - queue_name: logstash
     durable: true
@@ -26,6 +22,16 @@ rabbitmq_config:
     type: fanout
     routing_key: logstash
     tags: 'ha-mode=all,ha-sync-mode=automatic'
+rabbitmq_master: []  #defines the inventory host that should be considered master...define here or in group_vars/group
+````
+
+example...
+group_vars/rabbitmq-cluster-nodes
+````
+---
+enable_rabbitmq_clustering: true
+config_rabbitmq_ha: false
+rabbitmq_master: ans-test-1
 ````
 
 Dependencies
diff --git a/defaults/main.yml b/defaults/main.yml
index 95caff5..2c7ea69 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -3,7 +3,6 @@
 config_rabbitmq_ha: false  #defines if rabbitmq ha should be configured...define here or in group_vars/group
 enable_rabbitmq_clustering: false  #defines if setting up a rabbitmq cluster...define here or in group_vars/group
 erlang_cookie: LSKNKBELKPSTDBBCHETL  #define erlang cookie for cluster...define here or in group_vars/group
-master_rabbit_node: false  #defines if node should be considered master...define as true in one host in host_vars/host out of all nodes to be part of cluster
 rabbitmq_config:
   - queue_name: logstash
     durable: true
@@ -11,3 +10,4 @@ rabbitmq_config:
     type: fanout
     routing_key: logstash
     tags: 'ha-mode=all,ha-sync-mode=automatic'
+rabbitmq_master: []  #defines the inventory host that should be considered master...define here or in group_vars/group
diff --git a/tasks/rabbitmq_clustering.yml b/tasks/rabbitmq_clustering.yml
index a34ff92..a87bb2b 100644
--- a/tasks/rabbitmq_clustering.yml
+++ b/tasks/rabbitmq_clustering.yml
@@ -5,37 +5,44 @@
 - name: rabbitmq_clustering | resetting rabbitmq app
   command: rabbitmqctl reset
 
+- name: rabbitmq_clustering | stopping rabbitmq-server
+  service: name=rabbitmq-server state=stopped
+
 - name: rabbitmq_clustering | copy erlang cookie
   template: src=erlang.cookie.j2 dest=/var/lib/rabbitmq/.erlang.cookie owner=rabbitmq group=rabbitmq mode=0400 backup=yes
 
-- name: rabbitmq_clustering | starting rabbitmq app
+- name: rabbitmq_clustering | restarting rabbitmq-server on master
+  service: name=rabbitmq-server state=restarted
+  when: inventory_hostname == "{{ rabbitmq_master }}"
+
+- name: rabbitmq_clustering | starting rabbitmq app on master
   command: rabbitmqctl start_app
   register: cluster_master
-  when: master_rabbit_node is defined and master_rabbit_node
+  when: inventory_hostname == "{{ rabbitmq_master }}"
 
 - name: rabbitmq_clustering | sending sigterm to any running rabbitmq processes
   shell: pkill -u rabbitmq || true
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | restarting rabbitmq-server
   service: name=rabbitmq-server state=restarted
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | stopping rabbitmq app
   command: rabbitmqctl stop_app
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | resetting rabbitmq app
   command: rabbitmqctl reset
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | joining rabbitmq cluster
   command: rabbitmqctl join_cluster 'rabbit@{{ master_rabbit_node }}'
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | starting rabbitmq app
   command: rabbitmqctl start_app
-  when: (master_rabbit_node is defined and not master_rabbit_node) and cluster_master.changed
+  when: inventory_hostname != "{{ rabbitmq_master }}" and cluster_master.changed
 
 - name: rabbitmq_clustering | marking as clustered
   file: path=/etc/rabbitmq/clustered state=touch