129 lines
3.2 KiB
Ruby
Executable File
129 lines
3.2 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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=begin
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Munin Plugin for MSSQL - transaction monitoring
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Author: Wilfred Chau <openapp.developer@gmail.com>
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Date: 2011-05-18
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Version: 1.0
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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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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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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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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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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_transaction.rb /etc/munin/plugins/mssql_transaction.rb
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Parameters:
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autoconf
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config (required)
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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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#%# family=auto
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#%# capabilities=autoconf
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=end
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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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and object_name = 'SQLServer:Databases'
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order by instance_name"
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transaction_query = "select cntr_value from sys.dm_os_performance_counters
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where counter_name = 'transactions/sec'
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and object_name = 'SQLServer:Databases'
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and instance_name = ?"
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all_instance_names = []
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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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case ARGV[0]
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when '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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when 'config'
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puts 'graph_args --base 1000 -r --lower-limit 0'
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puts 'graph_title MSSQL Transactions/s'
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puts 'graph_category db'
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puts 'graph_info This graph shows transactions/s'
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puts 'graph_vlabel transactions/s'
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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 DERIVE"
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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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#
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# Getting data
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#
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sth = dbh.prepare(transaction_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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# since type is DERIVE, need to convert value to integer then to string
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puts "#{k}.value #{row[0].to_i}"
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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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