Class: OptparseNagiosProbe

Inherits:
Object
  • Object
show all
Defined in:
lib/probe/optparse_nagios_probe.rb

Overview

OptparseNagiosProbe - opennebula-nagios probes ARGV parser class.

Constant Summary collapse

VERSION = 
0.99

Class Method Summary collapse

Class Method Details

.parse(args) ⇒ Object 



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# File 'lib/probe/optparse_nagios_probe.rb', line 24

def self.parse(args)
  options = OpenStruct.new

  options.debuglevel = 0

  options.hostname = 'localhost'
  options.port     = 2633
  options.path     = '/'
  options.protocol = :http
  options.username = 'oneadmin'
  options.password = 'onepass'

  options.service = :oned
  options.occi    = :occi

  options.timeout = 60

  options.user_cred = nil
  options.voms = false

  opts_ = OptionParser.new do |opts|
    opts.banner = 'Usage: check_opennebula.rb [options]'

    opts.separator ''
    opts.separator 'Connection options:'

    opts.on('--protocol [http|https]', [:http, :https], "Protocol to use, defaults to 'http'") do |protocol|
      options.protocol = protocol
    end

    opts.on('--hostname [HOSTNAME]', String, "Host to be queried, defaults to 'localhost'") do |hostname|
      options.hostname = hostname
    end

    opts.on('--port [PORT_NUMBER]', Integer, "Port to be queried, defaults to '2633'") do |port|
      options.port = port
    end

    opts.on('--path [PATH]', String, 'Path to the service endpoint'\
    + "(the last part of the URI, should always start with a slash), defaults to '/'") do |path|
      options.path = path
    end

    opts.on('--username [USERNAME]', String, 'Username for authentication purposes, '\
    + "defaults to 'oneadmin'") do |username|
      options.username = username
    end

    opts.on('--password [PASSWORD]', String, 'Password for authentication purposes, '\
    + "defaults to 'onepass'") do |password|
      options.password = password
    end

    opts.separator ''
    opts.separator 'Session options:'

    opts.on('--timeout [SECONDS]', Integer, "Timeout time in seconds, defaults to '60'") do |timeout|
      options.timeout = timeout
    end

    opts.separator ''
    opts.separator 'Service options:'

    opts.on('--service [SERVICE_NAME]', [:oned, :occi, :econe, :rocci], 'Name of the cloud service'\
     + " to check [oned, occi, rocci, econe], defaults to 'oned'") do |service|
      options.service = service
    end

    opts.on("--check-network [ID'S]", Array, 'Comma separated list of network IDs to check') do |network|
      options.network = network
    end

    opts.on("--check-storage [ID'S]", Array, 'Comma separated list of storage IDs to check') do |storage|
      options.storage = storage
    end

    opts.on("--check-compute [ID'S]", Array, 'Comma separated list of VM IDs to check') do |compute|
      options.compute = compute
    end

    opts.on('--createvm [TEMPLATE_UUID]', String, 'rOCCI template uuid') do |tmpl|
      options.template_uuid = tmpl
    end

    opts.on('--name [NAME]', String, 'Name for VM instantiated from template') do |vmname|
      options.vmname = vmname
    end

    opts.separator ''
    opts.separator 'X.509 options:'

    opts.on('--user-cred [PATH]', String, "Path to user's X.509 credentials, defaults to ~/.globus/usercred.pem'")\
      do |ucred|
      options.user_cred = ucred
    end

    opts.on('--ca-file [PATH]', String, 'Path to CA certificates bundle in a file') do |cafile|
      options.ca_file = cafile
    end

    opts.on('--ca-path [PATH]', String, 'Path to CA certificates directory, defaults to "/etc/grid-security/certificates"')\
     do |capath|
      options.ca_path = capath
    end

    opts.on('--voms', '--[no-]voms', 'Enable VOMS credentials; modifies behavior of the X.509 authN module')\
     do |voms|
      options.voms = voms
    end

    opts.separator ''
    opts.separator 'Common options:'

    opts.on('--debuglevel [NUMBER]', Integer, "Run with debugging mode on certain level, defaults to '0'") do |debug|
      if !debug
        options.debug_level = 1
      else
        options.debug_level = debug
      end

      # Param. correction - normalize debug level to max 2, minus sign interpreted as switch, no problem there
      options.debug_level %= 3
    end

    opts.on_tail('-h', '--help', 'Show this message') do
      puts opts
      exit!
    end

    opts.on_tail('--version', 'Show version') do
      puts VERSION
      exit!
    end

  end

  opts_.parse!(args)

  # Emphasize required fields
  mandatory = [:protocol, :hostname, :port, :path, :service, :password]
  mandatory << :username unless options.user_cred

  options_hash = options.marshal_dump

  # Bug here, i am not sure the mandatory params working
  missing = mandatory.select { |param| options_hash[param].nil? }
  fail StandardError, "Missing required arguments #{missing.join(', ')}" unless missing.empty?

  options
end