Class: CheckTCPMemory::Check

Inherits:
Nagios::Plugin
  • Object
show all
Defined in:
lib/check_tcp_memory/check.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Check

Returns a new instance of Check.



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# File 'lib/check_tcp_memory/check.rb', line 6

def initialize(options)
  @warn_percent = options[:warn_percent]
  @crit_percent = options[:crit_percent]
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/check_tcp_memory/check.rb', line 23

def check
  #@mem_max = File.read('/proc/sys/net/ipv4/tcp_mem').split()[2]
  @mem_max = File.read('/tmp/tcp_mem').split()[2].to_f
  #@current_usage = File.read('/proc/net/sockstat').gsub(':','').split("\n")   @current_usage = File.read('/tmp/sockstat').gsub(':','').split("\n")     .map{|a| b=a.split; Hash[b.shift, Hash[*b]]}     .reduce({}, :merge)['TCP']['mem'].to_f
  @percent_used = @current_usage / @mem_max
end

#critical? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/check_tcp_memory/check.rb', line 11

def critical?
  @percent_used >= @crit_percent
end

#message ⇒ Object 



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# File 'lib/check_tcp_memory/check.rb', line 33

def message
  "Percent Used: #{"%5.2f" % (@percent_used * 100)}%, "\
  "Current Usage: #{@current_usage}, Max TCP Memory: #{@mem_max}"
end

#ok? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/check_tcp_memory/check.rb', line 19

def ok?
  true
end

#warning? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/check_tcp_memory/check.rb', line 15

def warning?
  @percent_used >= @warn_percent
end