openstack/openstack-ansible-galera_server
Code Issues Proposed changes

On single nodes use an empty cluster address

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When there is only one galera node, configure galera with an empty
cluster address. Each time the mysql service starts on this node it will
automatically create a new cluster.

Closes-Bug: #1624327
Change-Id: If653b1aacbd446a4ea5bb806a839dad40011b5b8
This commit is contained in:
Jimmy McCrory 2016-10-05 15:59:11 -07:00
parent 66601280ff
commit 21885c1f37
1 changed files with 1 additions and 1 deletions

2
defaults/main.yml

@ -67,7 +67,7 @@ galera_innodb_log_buffer_size: 128M
## wsrep configuration
galera_wsrep_address: "{{ ansible_host }}"
galera_wsrep_cluster_address: "{% for host in galera_cluster_members %}{{ hostvars[host]['ansible_host'] }}{% if not loop.last %},{% endif %}{% endfor %}"
galera_wsrep_cluster_address: "{% if galera_cluster_members | length > 1 %}{% for host in galera_cluster_members %}{{ hostvars[host]['ansible_host'] }}{% if not loop.last %},{% endif %}{% endfor %}{% endif %}"
galera_wsrep_node_incoming_address: "{{ galera_wsrep_address }}"
galera_wsrep_slave_threads: "{{ (ansible_processor_vcpus | int > 0) | ternary (ansible_processor_vcpus, 2) }}"
galera_wsrep_retry_autocommit: 3