Class: NagiosHerald::Formatter::CheckMemory

Inherits:
NagiosHerald::Formatter show all
Includes:
Logging
Defined in:
lib/nagios-herald/formatters/check_memory.rb

Instance Attribute Summary

Attributes inherited from NagiosHerald::Formatter

#content, #sandbox, #state_type

Instance Method Summary collapse

Methods included from Logging

#configure_logger_for, #logger, #logger_for

Methods inherited from NagiosHerald::Formatter

#ack_info, #action_url, #add_attachment, #add_html, #add_short_text, #add_text, #additional_info, #alert_ack_url, #clean_sandbox, #delete_html, #delete_section_for_type, #delete_short_text, #delete_text, #end_section, formatters, #generate_ack_content, #generate_content, #generate_message_content, #generate_problem_content, #generate_recovery_content, #generate_section, #generate_subject, #get_sandbox_path, #host_info, inherited, #initialize, #line_break, #notes, #notification_info, #recipients_email_link, #short_ack_info, #short_state_detail, #start_section, #state_info

Methods included from Util

#get_nagios_var, get_script_path, load_helper, underscore_to_camel_case, #unescape_text

Constructor Details

This class inherits a constructor from NagiosHerald::Formatter

Instance Method Details

#additional_details ⇒ Object

Public: Overrides Formatter::Base#additional_details. Colorizes the ‘ps` output returned by the check_mem NRPE check. The output contains the top n processes by memory utilization similar to:

TOP 5 PROCESSES BY MEMORY USAGE:

%MEM          RSS         USER    PID COMMAND
 2.4      1231696        larry   6658 tmux
 1.5       777204          moe  32234 tmux/tmux -CC
 0.8       399964        curly  12161 /usr/sbin/gmond
 0.7       384772         shep   1945 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/mysql.example.com.err --pid-file=/var/lib/mysql/mysql.example.com.pid
 0.7       355148         root   1245 SCREEN

Returns nothing. Updates the formatter content hash.



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# File 'lib/nagios-herald/formatters/check_memory.rb', line 19

def additional_details
  section = __method__
  long_output = get_nagios_var("NAGIOS_LONG#{@state_type}OUTPUT")
  lines = long_output.split('\n')
  html = []
  html << "<pre>"
  html << lines[0]  # TOP 5 PROCESSES BY MEMORY USAGE:
  html << lines[1]  # %MEM          RSS         USER    PID COMMAND
  html << "<font color='red'>#{lines[2]}</font>"  # Color the first result red...
  for i in 3..lines.length-1
    html << "<font color='orange'>#{lines[i]}</font>" # ...and the remainder orange.
  end
  html << "</pre>"
  output_string = html.join( "<br>" )
  add_html(section, "<b>Additional Details</b>:")
  add_html(section, output_string)
  add_text(section, "Additional Details:\n#")
  add_text(section, "#{unescape_text(long_output)}\n")
  line_break(section)
end