galera-cluster

#galera-cluster

##Features

#Role Variables

##Passwords

Passwords have to be stored on local ansible machine.

Set the path for the storage with galera_password_lookup_dir

##Group vars

galera_server_package: mariadb-server-10.1

galera_cluster_name: galera

galera_bind_address: 0.0.0.0

galera_manage_users: True

It is mandatory, that you keep the galera_cluster_name the same as your group_var name, otherwise you will get errors.

##Host vars

Set galera_bootstrap to True on one node, this will be the initial master node.

Set galera_node_ip for each host (@see example inventory)

##Monitor cluster via http @see https://github.com/olafz/percona-clustercheck

Set galera_check_scripts to True if you like to install the percona clustercheck scripts

Set port for the xinetd service galera_check_scripts_port

##Checkuser for haproxy

Create a checkuser for HAproxy with no password:

Enable galera_haproxy_user-> True.

List all allowed hosts in galera_haproxy_hosts

##Install perconas nagios plugins

Run playbook with:

--tags=nagios-plugins --extra-vars="{galera_nagios_plugins_version: '1.1.6'}"

Plugins will be installed in /usr/lib/nagios/percona-plugins/ and copied to

#Dependencies

None

#Example

##Inventory

[galera]
aav.gluster01 galera_node_ip=10.100.2.91 
aav.gluster02 galera_node_ip=10.100.2.92 galera_bootstrap=1
aav.gluster03 galera_node_ip=10.100.2.93 

##Playbook

 - hosts: galera
   become: true
   roles:
     - netzwirt.galera-cluster

#License

BSD

#Author Information

netzwirt

Install
ansible-galaxy install netzwirt/ansible-galera-cluster
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