postgres-config.yml

---
## Postgres site variable.
## Read the doc before running it.
postgres:
  hosts:
    master: 
      ansible_ssh_host:  x.x.x.x
      hostname: master-hostname
      interface_id: eni-*
      priority: 100
      keepalived_unicast_ip: x.x.x.x
      
    standby: 
      ansible_ssh_host: x.x.x.x
      hostname: standby-hostname
      interface_id: eni-*
      priority: 50
      keepalived_unicast_ip: x.x.x.x
      
    barman:  
      ansible_ssh_host: x.x.x.x
      hostname: barman-hostname


all:
  vars:
    ansible_ssh_private_key_file: ~/.ssh/postgres.pem
    ansible_user: centos
    ansible_ssh_extra_args: '-o StrictHostKeyChecking=no'
    cloud_enviroment: true #Optional paramenter. Defined on aws site

    # Keepalived
    keepalived_virtual_ip: x.x.x.x #keepalived VIP
    subnet_vpc: 20 #keepalived Subnet 
    keepalived_interface: eth0

    # Postgres Variables
    max_connections: 200 #Number of concurrent connections
    listen_addresses: '*'
    port: 5432 #Default postgres port
    shared_buffers: 4096MB #Define as 1/4 total memory
    work_mem: 50MB
    maintenance_work_mem: 256MB
    max_wal_senders: 10
    wal_keep_segments: 64
    PGDATA: /var/lib/pgsql/11/data

    # Barman Variables 
    barman_home : "/var/lib/barman"
    retention_policy_mode: auto
    retention_policy: RECOVERY WINDOW OF 7 days
    wal_retention_policy: main
    backup_method: rsync
    dedicated_barman: true # Optinal parameter. Defined for barman dedicated server