mirror of
https://github.com/munin-monitoring/contrib.git
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92 lines
1.9 KiB
Ruby
Executable File
92 lines
1.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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#
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# Plugin to monitor the number of connections blocked by moblock.
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#
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# Requirements:
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#
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# Moblock up and running with generated log files going to /var/log/moblock
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#
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# Parameters supported:
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#
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# config
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# autoconf
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#
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# Configurable variables
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#
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# logfile - Override default moblock logfile
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#
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# Magic markers
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#
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#%# family=auto
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#%# capabilities=autoconf
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#
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# Initialize vars
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#
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$logfile = ENV['logfile'] || "/var/log/moblock.log"
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#
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# Configure generated graph
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#
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def config
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puts "graph_args --base 1000 -r --lower-limit 0"
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puts "graph_title Moblock"
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puts "graph_vlabel Blocked Connections"
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puts "graph_category fw"
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puts "graph_info This graph shows the number of connections blocked by Moblock"
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puts "blocked_in.label Blocked In"
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puts "blocked_in.draw LINE1"
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puts "blocked_in.info Number of blocked incoming connections"
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puts "blocked_in.type GAUGE"
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puts "blocked_out.label Blocked Out"
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puts "blocked_out.draw LINE1"
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puts "blocked_out.info Number of blocked outgoing connections"
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puts "blocked_out.type GAUGE"
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puts "blocked_total.label Total Blocked"
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puts "blocked_total.draw LINE1"
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puts "blocked_total.info Total Number of blocked connections"
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puts "blocked_total.type GAUGE"
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end
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#
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# Grep moblock logs for stats
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#
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def fetch(debug=false)
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num_in = %x{cat #{$logfile} | grep --extended-regexp 'IN: ' | wc -l}
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num_out = %x{cat #{$logfile} | grep --extended-regexp 'OUT: ' | wc -l}
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num_total = num_in.to_i + num_out.to_i
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puts "blocked_in.value #{num_in}"
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puts "blocked_out.value #{num_out}"
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puts "blocked_total.value #{num_total}"
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end
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#
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# If moblock executable on path then allow autoconfiguration
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#
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def autoconf
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moblock_path = %x{which moblock}
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if moblock_path.index('moblock')
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puts "yes"
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else
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puts "no"
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end
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end
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#
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# Handle command line args
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#
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case ARGV.first
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when 'config'
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config
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when 'debug'
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fetch true
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when 'autoconf'
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autoconf
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else
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fetch
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end
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