2022/02/24 08:31:23.181353 connection established using TLSv1.3 TLS_CHACHA20_POLY1305_SHA256
2022/02/24 08:31:23.182144 received passive check request: 'pgsql.bgwriter["tcp://pgsql-slave01.prod.foo.com:5432","zbx_monitor","postgres"]' from '10.0.2.166'
2022/02/24 08:31:23.182220 [1] processing update request (1 requests)
2022/02/24 08:31:23.182257 [1] adding new request for key: 'pgsql.bgwriter["tcp://pgsql-slave01.prod.foo.com:5432","zbx_monitor","postgres"]'
2022/02/24 08:31:23.182306 [1] created direct exporter task for plugin 'Postgres' itemid:0 key 'pgsql.bgwriter["tcp://pgsql-slave01.prod.foo.com:5432","zbx_monitor","postgres"]'
2022/02/24 08:31:23.182376 executing direct exporter task for key 'pgsql.bgwriter["tcp://pgsql-slave01.prod.foo.com:5432","zbx_monitor","postgres"]'
2022/02/24 08:31:23.191488 [Postgres] Connection failed: failed to connect to `host=pgsql-slave01.prod.foo.com user=zbx_monitor database=postgres`: failed SASL auth (FATAL: password authentication failed for user "zbx_monitor" (SQLSTATE 28P01)).
2022/02/24 08:31:23.191503 failed to execute direct exporter task for key 'pgsql.bgwriter["tcp://pgsql-slave01.prod.foo.com:5432","zbx_monitor","postgres"]' error: 'Connection failed: failed to connect to `host=pgsql-slave01.prod.foo.com user=zbx_monitor database=postgres`: failed SASL auth (FATAL: password authentication failed for user "zbx_monitor" (SQLSTATE 28P01)).'
2022/02/24 08:31:23.191531 sending passive check response: ZBX_NOTSUPPORTED: 'Connection failed: failed to connect to `host=pgsql-slave01.prod.foo.com user=zbx_monitor database=postgres`: failed SASL auth (FATAL: password authentication failed for user "zbx_monitor" (SQLSTATE 28P01)).' to '10.0.2.166' 

{$PG.DATABASE} = testdb
{$PG.URI} = tcp://pgsql-slave01.prod.foo.com:5432 

zabbix_agent2 (Zabbix) 5.4.10
zabbix_server (Zabbix) 5.4.9
PostgreSQL: PostgreSQL 14.2