119 lines
3.0 KiB
Ruby
Executable File
119 lines
3.0 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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#
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# Munin Plugin for MSSQL - log files monitoring
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#
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# Author: Wilfred Chau <openapp.developer@gmail.com>
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# Date: 2011-05-19
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# Version: 1.0
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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#
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# Prerequistes:
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# 1) /etc/odbc.ini and /etc/freetds.conf
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# 2) rubygems
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# 3) ruby-dbi
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#
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# Usage:
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# 1) copy this script to the munin install plugins directory (e.g. /usr/share/munin/plugins)
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# 2) chmod to allow executable to others
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# 3) create symbolic link in /etc/munin/plugins
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# ln -s /usr/share/munin/plugins/mssql_logfilesizes.rb /etc/munin/plugins/mssql_logfilesizes.rb
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#
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# Parameters:
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# autoconf
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# config (required)
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#
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# Config variables:
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# sqluser : mssql user who has view server state privilege
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# sqlpass : password for the mssql user
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# dsn : datasource name as defined in /etc/odbc.ini
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# instance: instance to monitor
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#
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#%# family=auto
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#%# capabilities=autoconf
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require 'rubygems'
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require 'dbi'
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sqluser = 'rubyuser'
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sqlpass = 'rubyuser'
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dsn = 'TESTSQL'
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instance = 'AdventureWorks'
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#
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# Queries
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#
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#
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dbh = DBI.connect("DBI:ODBC:#{dsn}",sqluser,sqlpass)
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instance_name_query = "SELECT distinct instance_name
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FROM sys.dm_os_performance_counters
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WHERE instance_name = '#{instance}'"
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logfilesize_query = "SELECT cntr_value/1024.0 from sys.dm_os_performance_counters
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WHERE counter_name = 'Log File(s) Size (KB)'
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AND object_name = 'SQLServer:Databases'
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AND instance_name = ?"
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all_instance_names = Array.new
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sth = dbh.execute(instance_name_query)
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sth.fetch do |row|
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all_instance_names.push(row[0].strip)
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end
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sth.finish
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#
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# autoconf
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#
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if ARGV[0] == "autoconf"
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if all_instance_names.length > 1 && sqluser.length > 1 && sqlpass.length > 1
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puts "yes"
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else
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puts "no"
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puts "Usage: #{__FILE__} autoconf|conf"
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end
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exit 0
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#
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# config definition
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#
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elsif ARGV[0] == "config"
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puts "graph_args --base 1024k -r --lower-limit 0"
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puts "graph_title MSSQL DB Log File Sizes"
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puts "graph_category db"
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puts "graph_info This graph shows DB Log File Sizes (MB)"
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puts "graph_vlabel MB"
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puts "graph_scale no"
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puts "graph_period second"
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all_instance_names.sort.each do |s|
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puts "#{s}.label #{s}"
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puts "#{s}.info INSTANCE: #{s}"
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puts "#{s}.type GAUGE"
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puts "#{s}.draw LINE1"
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end
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exit 0
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end
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sth = dbh.prepare(logfilesize_query)
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all_instance_names.sort.each do |k|
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sth.execute(k)
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sth.fetch do |row|
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puts "#{k.to_s}.value #{row[0].to_s}"
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end
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end
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sth.finish
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dbh.disconnect
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