Initial version

plugins/other/postgresql_database_size

@@ -0,0 +1,57 @@
+#!/bin/bash
+#
+# Plugin to monitor PostgreSQL Database Sizes
+#
+# Author:
+#    Guilherme Augusto da Rocha Silva <gars.dba@gmail.com>
+#
+# Created:
+#    5th of november 2007
+#
+# Usage:
+#    Place in /etc/munin/plugins/ (or link it there using ln -s)
+#
+# Parameters:
+#    config   (required)
+#
+# General info:
+#    Require permission for database access and read (no writes are processed).
+#    Recomended user is PostgreSQL database owner (default: postgres).
+#
+# Log info:
+# 2007/11/30 - Review on comments
+#
+
+dbserver='localhost'
+dbuser='postgres'
+
+if [ "$1" = "config" ]; then
+   echo 'graph_args --base 1024 --lower-limit 0'
+   echo 'graph_category Postgresql'
+   echo 'graph_info Shows each database size on the PostgreSQL Server.'
+   echo 'graph_title PostgreSQL Database Sizes'
+   echo 'graph_vlabel Size (bytes)'
+
+   psql -h ${dbserver} -U ${dbuser} -tc "SELECT datname FROM pg_database ORDER BY 1;" | while read name
+   do
+      test -z "${name}" && continue
+      echo ${name}'.label '${name}
+      echo ${name}'.type GAUGE'
+      if [ "${name}" == "template0" ]; then
+         echo ${name}'.info PostgreSQL template database.'
+      elif [ "${name}" == "template1" ]; then
+         echo ${name}'.info PostgreSQL and/or user template database.'
+      elif [ "${name}" == "postgres" ]; then
+         echo ${name}'.info User postgres database.'
+      else
+         echo ${name}'.info User defined database.'
+      fi
+   done
+   exit 0
+fi
+
+psql -h ${dbserver} -U ${dbuser} -tc "SELECT datname, PG_DATABASE_SIZE(oid) FROM pg_database ORDER BY 1;" | while read name sep num
+do
+   test -z "${name}" && continue
+   echo ${name}'.value '${num}
+done