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#!/usr/bin/ruby1.8 -Ilib/ -I../lib/
#
# NAME
# custodian-dequeue - Pull network tests from a queue and execute them in series.
#
# SYNOPSIS
# custodian-dequeue [ -h | --help ]
# [ -m | --manual]
# [ -f | --fail ]
# [ -l | --logfile FILE]
# [ -S | --server 1.2.3.4:123 ]
# [ -s | --single ]
# [ -v | --verbose ]
#
# OPTIONS
#
# -h, --help Show a help message, and exit.
#
# -m, --manual Show this manual, and exit.
#
# -l, --logfile Specify the path to the logfile to run.
#
# -S, --server Specify the host:port for the beanstalkd queue.
#
# -s, --single Run a single test and exit. Don't poll the queue for more.
#
# -f, --fail Run tests but stop the first time we see a fail.
#
# -v, --verbose Be noisy.
#
#
# ABOUT
#
# This tool is designed to pull network/protocol-tests from a beanstalkd server and execute
# them, in series.
#
# The tests are created, via custodian-enqueue, by parsing a configuration
# file largely compatible with that used for our obsolete sentinel tool.
#
# The results of the testing will be sent to a mauvealert server.
#
#
# AUTHOR
#
# Steve Kemp <steve@bytemark.co.uk>
#
#
# Standard modules
#
require 'getoptlong'
#
# Our code.
#
require 'custodian/settings.rb'
require 'custodian/worker.rb'
#
# Entry-point to our code.
#
if __FILE__ == $0 then
$help = false
$manual = false
#
# The beanstalkd server address, alerting method, and logfile.
#
settings = Custodian::Settings.instance()
$SERVER = settings.queue_server
$ALERTER = settings.alerter
$LOGFILE = settings.log_file
begin
opts = GetoptLong.new(
[ "--help", "-h", GetoptLong::NO_ARGUMENT ],
[ "--manual", "-m", GetoptLong::NO_ARGUMENT ],
[ "--fail", "-f", GetoptLong::NO_ARGUMENT ],
[ "--logfile", "-l", GetoptLong::REQUIRED_ARGUMENT ],
[ "--repeat", "-r", GetoptLong::REQUIRED_ARGUMENT ],
[ "--server", "-S", GetoptLong::REQUIRED_ARGUMENT ],
[ "--alerter", "-a", GetoptLong::REQUIRED_ARGUMENT ],
[ "--single", "-s", GetoptLong::NO_ARGUMENT ],
[ "--verbose", "-v", GetoptLong::NO_ARGUMENT ]
)
opts.each do |opt, arg|
case opt
when "--verbose" then
ENV["VERBOSE"] = "1"
when "--logfile" then
$LOGFILE = arg
when "--repeat" then
ENV["REPEAT"] = arg
when "--server" then
$SERVER = arg
when "--alerter" then
$ALERTER = arg
when "--single" then
ENV["SINGLE"] = "1"
when "--fail" then
ENV["FAIL"] = "1"
when "--help" then
$help = true
when "--manual" then
$manual = true
end
end
rescue StandardError => ex
puts "Option parsing failed: #{ex.to_s}"
exit
end
#
# CAUTION! Here be quality kode.
#
if $manual or $help
# Open the file, stripping the shebang line
lines = File.open(__FILE__){|fh| fh.readlines}[1..-1]
found_synopsis = false
lines.each do |line|
line.chomp!
break if line.empty?
if $help and !found_synopsis
found_synopsis = (line =~ /^#\s+SYNOPSIS\s*$/)
next
end
puts line[2..-1].to_s
break if $help and found_synopsis and line =~ /^#\s*$/
end
exit 0
end
#
# Create the object
#
worker = Custodian::Worker.new( $SERVER, $ALERTER, $LOGFILE )
#
# Single step?
#
if ( ENV['SINGLE'] )
worker.process_single_job()
exit(0)
end
#
# Run until we see a failure?
#
if ( ENV['FAIL'] )
worker.process_until_fail()
exit(0)
end
#
# Otherwise loop indefinitely
#
worker.run!
end
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