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executable file 55 lines (50 sloc) 1.645 kb
#!/bin/bash
#
# Plugin to monitor PostgreSQL Tablespaces Size
#
# 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:
#
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 tablespace size on the PostgreSQL Server.'
echo 'graph_title PostgreSQL Tablespace Sizes'
echo 'graph_vlabel Size (bytes)'
psql -h ${dbserver} -U ${dbuser} -tc "SELECT spcname FROM pg_tablespace ORDER BY 1;" | while read name
do
test -z "${name}" && continue
echo ${name}'.label '${name}
echo ${name}'.type GAUGE'
if [ "${name}" == "pg_global" ]; then
echo ${name}'.info Tablespace for shared system catalogs.'
elif [ "${name}" == "pg_default" ]; then
echo ${name}'.info Default tablespace of the template1 and template0 databases (and, therefore, the default tablespace for other databases, unless user defined ones).'
else
echo ${name}'.info User defined tablespace.'
fi
done
exit 0
fi
psql -h ${dbserver} -U ${dbuser} -tc "SELECT spcname, PG_TABLESPACE_SIZE(oid) FROM pg_tablespace ORDER BY 1;" | while read name sep num
do
test -z "${name}" && continue
echo ${name}'.value '${num}
done
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