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