Updated documentation regarding PostgreSQL monitoring.

(Redmine issue: #6096)

doc/sphinx/_doclib/administration.rst

@@ -126,21 +126,38 @@ NRPE configuration:
 
 .. code-block:: shell
 
+    #
+    # Check running processes.
+    #
     command[check_postgresql]=/usr/lib/nagios/plugins/check_procs -c 1:100 -C postgres
 
+    #
+    # Common checks
+    #
+    command[check_pg_log]=/usr/lib/nagios/plugins/check_postgres_log /var/log/postgresql/postgresql-12-main.log
+    command[check_pg_hitratio]=/usr/lib/nagios/plugins/check_postgres_hitratio --dbuser=watchdog
+    command[check_pg_querytime]=/usr/lib/nagios/plugins/check_postgres_query_time --dbuser=watchdog --warning='1 minutes' --critical='1 minutes'
+    command[check_pg_backends]=/usr/lib/nagios/plugins/check_postgres_backends --dbuser=watchdog
+    #
+    # Checks for database 'mentat_events'.
+    #
     command[check_pg_con_mentat_events]=/usr/lib/nagios/plugins/check_postgres_connection --dbname=mentat_events --dbuser=watchdog
-    command[check_pg_blt_mentat_events]=/usr/lib/nagios/plugins/check_postgres_bloat --dbname=mentat_events --dbuser=watchdog --warning='1G' --critical='5G'
-    command[check_pg_anl_mentat_events]=/usr/lib/nagios/plugins/check_postgres_last_analyze --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_vac_mentat_events]=/usr/lib/nagios/plugins/check_postgres_last_vacuum --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_aan_mentat_events]=/usr/lib/nagios/plugins/check_postgres_last_autoanalyze --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_ava_mentat_events]=/usr/lib/nagios/plugins/check_postgres_last_autovacuum --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-
+    command[check_pg_blt_mentat_events]=/usr/lib/nagios/plugins/['check_postgres_bloat', 'blt'] --dbname=mentat_events --dbuser=watchdog --warning='8G' --critical='14G' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_anl_mentat_events]=/usr/lib/nagios/plugins/['check_postgres_last_analyze', 'anl'] --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_vac_mentat_events]=/usr/lib/nagios/plugins/['check_postgres_last_vacuum', 'vac'] --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_aan_mentat_events]=/usr/lib/nagios/plugins/['check_postgres_last_autoanalyze', 'aan'] --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_ava_mentat_events]=/usr/lib/nagios/plugins/['check_postgres_last_autovacuum', 'ava'] --dbname=mentat_events --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    #
+    # Checks for database 'mentat_main'.
+    #
     command[check_pg_con_mentat_main]=/usr/lib/nagios/plugins/check_postgres_connection --dbname=mentat_main --dbuser=watchdog
-    command[check_pg_blt_mentat_main]=/usr/lib/nagios/plugins/check_postgres_bloat --dbname=mentat_main --dbuser=watchdog --warning='1G' --critical='5G'
-    command[check_pg_anl_mentat_main]=/usr/lib/nagios/plugins/check_postgres_last_analyze --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_vac_mentat_main]=/usr/lib/nagios/plugins/check_postgres_last_vacuum --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_aan_mentat_main]=/usr/lib/nagios/plugins/check_postgres_last_autoanalyze --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
-    command[check_pg_ava_mentat_main]=/usr/lib/nagios/plugins/check_postgres_last_autovacuum --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_blt_mentat_main]=/usr/lib/nagios/plugins/['check_postgres_bloat', 'blt'] --dbname=mentat_main --dbuser=watchdog --warning='256M' --critical='2G' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_anl_mentat_main]=/usr/lib/nagios/plugins/['check_postgres_last_analyze', 'anl'] --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+    command[check_pg_vac_mentat_main]=/usr/lib/nagios/plugins/['check_postgres_last_vacuum', 'vac'] --dbname=mentat_main --dbuser=watchdog --warning='3d' --critical='7d' --exclude='pg_catalog.' --exclude='alembic_version'
+
+The custom ``check_postgres_log`` Nagios monitoring plugin for checking PostgreSQL log 
+file for errors can be found in our Our `Ansible <https://www.ansible.com/>`__ role 
+`honzamach.postgresql <https://github.com/honzamach/ansible-role-postgresql>`__.
 
 
 Monitoring Mentat database