...

PLAY [(4/6) PRE-UPGRADE: Prepare the Patroni configuration] ********************

TASK [Include main variables] **************************************************
ok: [10.172.2.20]
ok: [10.172.2.21]
ok: [10.172.2.22]

TASK [Include OS-specific variables] *******************************************
ok: [10.172.2.20]
ok: [10.172.2.21]
ok: [10.172.2.22]

TASK [Include upgrade variables] ***********************************************
ok: [10.172.2.20]
ok: [10.172.2.21]
ok: [10.172.2.22]

TASK [Patroni config] **********************************************************

TASK [upgrade : Backup the patroni.yml configuration file] *********************
changed: [10.172.2.20]
changed: [10.172.2.22]
changed: [10.172.2.21]

TASK [upgrade : Remove patroni.dynamic.json file] ******************************
changed: [10.172.2.20]
changed: [10.172.2.22]
changed: [10.172.2.21]

TASK [upgrade : Edit patroni.yml | update parameters: data_dir, bin_dir, config_dir] ***
changed: [10.172.2.20] => (item=data_dir: /pgdata/17/main)
changed: [10.172.2.22] => (item=data_dir: /pgdata/17/main)
changed: [10.172.2.21] => (item=data_dir: /pgdata/17/main)
changed: [10.172.2.20] => (item=bin_dir: /usr/lib/postgresql/17/bin)
changed: [10.172.2.22] => (item=bin_dir: /usr/lib/postgresql/17/bin)
changed: [10.172.2.21] => (item=bin_dir: /usr/lib/postgresql/17/bin)
changed: [10.172.2.21] => (item=config_dir: /etc/postgresql/17/main)
changed: [10.172.2.22] => (item=config_dir: /etc/postgresql/17/main)
changed: [10.172.2.20] => (item=config_dir: /etc/postgresql/17/main)

TASK [upgrade : Edit patroni.yml | check if the 'db_user_namespace' parameter is specified] ***
ok: [10.172.2.20]
ok: [10.172.2.22]
ok: [10.172.2.21]

TASK [upgrade : Edit patroni.yml | check if the 'old_snapshot_threshold' parameter is specified] ***
ok: [10.172.2.21]
ok: [10.172.2.20]
ok: [10.172.2.22]

TASK [upgrade : Edit patroni.yml | check if the 'trace_recovery_messages' parameter is specified] ***
ok: [10.172.2.20]
ok: [10.172.2.21]
ok: [10.172.2.22]

TASK [upgrade : Edit patroni.yml | remove parameter: standby_cluster (if exists)] ***
changed: [10.172.2.20]
changed: [10.172.2.21]
changed: [10.172.2.22]

TASK [upgrade : Remove 'standby_cluster' parameter from DCS (if exists)] *******
changed: [10.172.2.20]

TASK [upgrade : Copy pg_hba.conf to /etc/postgresql/17/main] *******************
changed: [10.172.2.20]
changed: [10.172.2.21]
changed: [10.172.2.22]
...

TASK [upgrade : List the Patroni cluster members] ******************************
ok: [10.172.2.20] => {
    "msg": [
        "+ Cluster: postgres-cluster (7445324859738221435) --+-----------+",
        "| Member   | Host        | Role    | State     | TL | Lag in MB |",
        "+----------+-------------+---------+-----------+----+-----------+",
        "| pgnode01 | 10.172.2.20 | Leader  | running   |  2 |           |",
        "| pgnode02 | 10.172.2.21 | Replica | streaming |  2 |         0 |",
        "| pgnode03 | 10.172.2.22 | Replica | streaming |  2 |         0 |",
        "+----------+-------------+---------+-----------+----+-----------+"
    ]
}

TASK [upgrade : Upgrade completed] *********************************************
ok: [10.172.2.20] => {
    "msg": [
        "PostgreSQL upgrade completed.",
        "Current version: 17.2 (Ubuntu 17.2-1.pgdg22.04+1)"
    ]
}