Add pgbouncer_pool_pause_timeout variable

roles/upgrade/tasks/pgbouncer_pause.yml

@@ -68,7 +68,7 @@
     pgb_servers="$pg_servers"
     pgb_servers_count="$pg_servers_count"
     pgb_count="{{ (groups['primary'] | default([]) | length + groups['secondary'] | default([]) | length) * (pgbouncer_processes | default(1) | int) }}"
-    pgb_pause_command="printf '%s\n' {{ pgb_unix_socket_dirs }} | xargs -I {} -P {{ pgbouncer_processes | default(1) | int }} -n 1 timeout 2 psql -h {} -p {{ pgbouncer_listen_port }} -U {{ patroni_superuser_username }} -d pgbouncer -tAXc 'PAUSE'"
+    pgb_pause_command="printf '%s\n' {{ pgb_unix_socket_dirs }} | xargs -I {} -P {{ pgbouncer_processes | default(1) | int }} -n 1 timeout {{ pgbouncer_pool_pause_timeout }} psql -h {} -p {{ pgbouncer_listen_port }} -U {{ patroni_superuser_username }} -d pgbouncer -tAXc 'PAUSE'"
     pgb_resume_command='kill -SIGUSR2 $(pidof pgbouncer)'
 
     start_time=$(date +%s)

vars/upgrade.yml

@@ -81,6 +81,8 @@ copy_files_to_all_server: []
 
 # if 'pgbouncer_install' is 'true'
 pgbouncer_pool_pause: true  # or 'false' if you don't want to pause pgbouncer pools during upgrade.
+# the maximum waiting time (in seconds) for the pool to be paused. For each iteration of the loop when trying to pause all pools.
+pgbouncer_pool_pause_timeout: 2
 # the time (in seconds) after which instead of waiting for the completion of the active queries, the script terminates the slow active queries.
 pgbouncer_pool_pause_terminate_after: 30
 # the time (in seconds) after which the script exit with an error if it was not possible to pause all pgbouncer pools.