Class: Riemann::Tools::Bacula

Inherits:
Object
  • Object
show all
Includes:
Riemann::Tools
Defined in:
lib/riemann/tools/bacula.rb,
lib/riemann/tools/bacula/version.rb

Constant Summary collapse

VERSION = 
'4.0.0'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.process_stdin ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 21

def self.process_stdin
  new.process_stdin
end

Instance Method Details

#bacula_backup_state ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 56

def bacula_backup_state
  case opts[:status]
  when 'OK' then 'ok'
  when 'OK -- with warnings' then 'warning'
  else
    'critical'
  end
end

#enhance(data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 90

def enhance(data)
  # If the message on stdin was trucated, the last item might not make
  # sense.
  data.delete(data.keys.last) if data.keys.last != 'Termination'

  {
    parse_size: [
      'FD Bytes Written',
      'SD Bytes Written',
      'Last Volume Bytes',
      'Bytes Restored',
    ],
    parse_integer: [
      'JobId',
      'Priority',
      'Non-fatal FD errors',
      'FD Files Written',
      'FD Errors',
      'SD Files Written',
      'SD Errors',
      'Volume Session Id',
      'Volume Session Time',
      'Files Expected',
      'Files Restored',
    ],
    parse_duration: [
      'Elapsed time',
    ],
    parse_volumes: [
      'Volume name(s)',
    ],
    parse_rate: [
      'Rate',
    ],
    parse_ratio: [
      'Software Compression',
      'Comm Line Compression',
    ],
  }.each do |parser, keys|
    keys.each do |key|
      data[key] = send(parser, data[key]) if data[key]
    end
  end

  extract_source('Pool', data)
  extract_source('Catalog', data)
  extract_source('Storage', data)

  extract_time('FileSet', data)

  extract_client_info(data)
  extract_backup_level_info(data)

  data
end

#extract_backup_level_info(data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 146

def extract_backup_level_info(data)
  case data['Backup Level']
  when /\A(Differential|Incremental), since=(.*)\z/
    data['Backup Level'] = Regexp.last_match(1)
    data['Backup Level Since'] = Regexp.last_match(2)
  when /\A(Full) \(upgraded from (Differential|Incremental)\)\z/
    data['Backup Level'] = Regexp.last_match(1)
    data['Backup Level upgraded from'] = Regexp.last_match(2)
  end
end

#extract_client_info(data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 157

def extract_client_info(data)
  return unless /\A"([^"]+)" ([^ ]+)/.match(data['Client'])

  data['Client'] = Regexp.last_match(1)
  data['Client Version'] = Regexp.last_match(2)
end

#extract_source(item, data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 164

def extract_source(item, data)
  return unless /\A"([^"]+)" \(From (Client|Job|Pool) resource\)\z/.match(data[item])

  data[item] = Regexp.last_match(1)
  data["#{item} Source"] = Regexp.last_match(2)
end

#extract_time(item, data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 171

def extract_time(item, data)
  return unless /\A"([^"]+)" (.*)\z/.match(data[item])

  data[item] = Regexp.last_match(1)
  data["#{item} time"] = Regexp.last_match(2)
end

#parse(text) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 65

def parse(text)
  data = {}
  line_continuation = nil

  text.each_line do |line|
    line.chomp!

    if line =~ /\A  ([^:]+):[[:blank:]]+(.*)/
      key = Regexp.last_match(1)
      raw_value = Regexp.last_match(2)

      data[key] = raw_value
    elsif line_continuation
      key = line_continuation
      data[key] += ".#{line}"
    else
      next
    end

    line_continuation = (key if line.length == 998)
  end

  enhance(data)
end

#parse_duration(duration) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 178

def parse_duration(duration)
  s = StringScanner.new(duration)
  res = 0

  until s.eos?
    case
    when s.scan(/\s+/)
      # ignore spaces
    when s.scan(/(\d+) hours?/) then res += s[0].to_i * 3600
    when s.scan(/(\d+) mins?/)  then res += s[0].to_i * 60
    when s.scan(/(\d+) secs?/)  then res += s[0].to_i
    else
      return -1
    end
  end

  res
end

#parse_integer(value) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 197

def parse_integer(value)
  value.gsub(',', '').to_i
end

#parse_rate(value) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 201

def parse_rate(value)
  %r{\A(\d+\.\d+) KB/s\z}.match(value)
  Regexp.last_match(1).to_f
end

#parse_ratio(value) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 206

def parse_ratio(value)
  return 0.0 if value == 'None'

  /\A(\d+\.\d+)% \d+\.\d+:\d+\z/.match(value)
  Regexp.last_match(1).to_f / 100
end

#parse_size(value) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/riemann/tools/bacula.rb', line 213

def parse_size(value)
  raise ArgumentError, %(Cannot parse size "#{value}") unless /\A([\d,]+) \([\d.]+ [KMGT]?B\)\z/.match(value)

  parse_integer(Regexp.last_match(1))
end

#parse_volumes(value) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 219

def parse_volumes(value)
  value.split('|')
end

#run ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 25

def run
  %i[job_name backup_level status].each do |name|
    raise("Parameter #{name} is required") unless opts[name]
  end

  data = parse($stdin.read)

  if opts[:status] != 'Canceled'
    report({
             service: "bacula backup #{opts[:job_name]}",
             state: bacula_backup_state,
             job_name: opts[:job_name],
             backup_level: opts[:backup_level],
             description: "#{opts[:status]} (#{data['Termination']})",
           })
  end

  %i[bytes files].each do |metric|
    next unless opts[metric]

    report({
             service: "bacula backup #{opts[:job_name]} #{opts[:backup_level].downcase} #{metric}",
             metric: opts[metric],
             job_name: opts[:job_name],
             backup_level: opts[:backup_level],
           })
  end

  send_details(data) if options[:details]
end

#send_details(data) ⇒ Object 



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# File 'lib/riemann/tools/bacula.rb', line 223

def send_details(data)
  [
    'Elapsed time',
    'FD Files Written',
    'SD Files Written',
    'FD Bytes Written',
    'SD Bytes Written',
    'SD Errors',
    'Rate',
    'Software Compression',
    'Comm Line Compression',
    'Non-fatal FD errors',
  ].each do |metric|
    next unless data[metric]

    report({
             service: "bacula backup #{opts[:job_name]} #{opts[:backup_level].downcase} #{metric.downcase}",
             metric: data[metric],
             job_name: opts[:job_name],
             backup_level: opts[:backup_level],
           })
  end
end