playbook.yml

TASK: [haproxy | Starting haproxy container] **********************************
ok: [os-node05]
ok: [os-node04]
ok: [os-node03]
ok: [os-node02]
ok: [os-node01]

TASK: [haproxy | Starting keepalived container] *******************************
ok: [os-node02]
ok: [os-node03]
ok: [os-node05]
ok: [os-node04]
ok: [os-node01]

TASK: [haproxy | Ensuring latest haproxy config is used] **********************
ok: [os-node01]
ok: [os-node05]
ok: [os-node03]
ok: [os-node02]
ok: [os-node04]

TASK: [haproxy | Waiting for virtual IP to appear] ****************************
ok: [os-node04]
failed: [os-node01] => {"elapsed": 300, "failed": true}
msg: Timeout when waiting for 10.254.254.25:3306
failed: [os-node05] => {"elapsed": 300, "failed": true}
msg: Timeout when waiting for 10.254.254.25:3306
failed: [os-node02] => {"elapsed": 300, "failed": true}
msg: Timeout when waiting for 10.254.254.25:3306
failed: [os-node03] => {"elapsed": 300, "failed": true}
msg: Timeout when waiting for 10.254.254.25:3306

... (successes)

then...

TASK: [mariadb | Waiting for MariaDB service to be ready] *********************
failed: [os-node04] => {"elapsed": 60, "failed": true}
msg: Timeout when waiting for search string MariaDB in 192.168.3.24:3306

FATAL: all hosts have already failed -- aborting