ansible-galera-lb

Features

• Install and configure HAProxy on two DigitalOcean Droplets
• Install and configure heartbeat package
• Floating IP reassignment service

Requirements

Ansible >= 2.4

Role Variables

defaults/main.yml

• floating_ip - floating IP address. Currently being assigned using group name ha_db_fip in Ansible (dynamic) inventory.
• primary_node - primary node object
• primary_name - primary node name
• primary_address - primary node IPv4 address
• secondary_node - secondary node object
• secondary_name - secondary node name
• secondary_address - secondary node IPv4 address

vars/main.yml

galera_ha_auth_key: "{{ vault_galera_ha_auth_key }}"
galera_ha_do_token: "{{ vault_galera_ha_do_token }}"
haproxy_stats_user: "{{ vault_haproxy_stats_user }}"
haproxy_stats_pass: "{{ vault_haproxy_stats_pass }}"
haproxy_stats_port: "{{ vault_haproxy_stats_port }}"

group_vars/galera_loadbalancer/vault

vault_galera_ha_auth_key: "<haproxy_cluster_token>"
vault_galera_ha_do_token: "<digitalocean_api_token>"
vault_haproxy_stats_user: "<username>"
vault_haproxy_stats_pass: "<somepasswd>"
vault_haproxy_stats_port: "<port_number>"

Dependencies

This roles was created to be used with the cmndrsp0ck.galera-cluster-node role

Example Playbook

Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:

- hosts: galera_loadbalancer
  gather_facts: yes
  become: True
  tasks:
    - import_role:
        name: ansible-galera-lb

License

GPL-3.0

Author Information

cmndrsp0ck