Class: ServerMonitor::MegaCliDiskSMARTStatus

Inherits:
Object
  • Object
show all
Defined in:
lib/servermonitor/megacli_disk_smart_status.rb

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/servermonitor/megacli_disk_smart_status.rb', line 22

def self.config
  @config ||= DiskSMARTConfiguration.new
end

.configure {|config| ... } ⇒ Object

Yields:



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# File 'lib/servermonitor/megacli_disk_smart_status.rb', line 26

def self.configure
  yield(config)
end

.run ⇒ Object 



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# File 'lib/servermonitor/megacli_disk_smart_status.rb', line 30

def self.run
  # Get current hostname
  fhostname = `hostname -f`

  # Get the status for each disk from megacli binary and grep for "Drive has flagged a S.M.A.R.T alert" keyword
  raid_status = `#{self.config.megacli} -LDInfo -Lall -aALL | #{self.config.grep} "Drive has flagged a S.M.A.R.T alert"`

  # Define eympty array
  in_in = []

  # Define empty variable for raid state
  smart_status = nil

  #
  raid_status.each_line { |l| in_in << l.chomp }

  # Check S.M.A.R.T status
  in_in.each do |i|
    # Regex matching
    Regexp.new('Drive\s*has\s*flagged\s*a\s*S\.M\.A\.R\.T\s*alert\s*:\s*Yes').match?(i) ? smart_status = "ALERT: YES".upcase : smart_status = "ALERT: NO".upcase
    # Display S.M.A.R.T Status and do a clean exit if parameter exit_codes is enabled
    if smart_status == "ALERT: NO"
      puts "S.M.A.R.T drive status is " + smart_status.to_s + " on hostname " + fhostname
      puts exit 0 unless self.config.exit_codes == false
    else
      # Display S.M.A.R.T Status and exit with error if exit_codes parameter is enabled
      puts "S.M.A.R.T drive status is " + smart_status.to_s + " on hostname " + fhostname
      puts exit 1 unless self.config.exit_codes == false
    end
    # Send email if email_to address is not empty AND if a disk does not return an "Alert: NO"
    if self.config.email_to != nil && smart_status != "ALERT: NO"
      time    = Time.now.strftime("%d.%m.%Y %H:%M")
      subject = "RAID check STARTED on #{fhostname} at #{time}. RAID STATE: #{smart_status}."
      body    = "RAID check: #{smart_status}"
      email   = ServerMonitor::EMail.new(self.config.email_from, self.config.email_to, self.config.smtp_address, self.config.smtp_port, self.config.smtp_username, self.config.smtp_password, subject, body)
      email.deliver
    end
  end
end