class Oxidized::CLI
Attributes
pidfile[R]
Public Class Methods
new()
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# File lib/oxidized/cli.rb, line 22 def initialize _args, @opts = parse_opts Config.load(@opts) Oxidized.setup_logger @pidfile = File.expand_path(Oxidized.config.pid) end
Public Instance Methods
run()
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# File lib/oxidized/cli.rb, line 7 def run check_pid Process.daemon if @opts[:daemonize] write_pid begin Oxidized.logger.info "Oxidized starting, running as pid #{$PROCESS_ID}" Oxidized.new rescue StandardError => error crash error raise end end
Private Instance Methods
check_pid()
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# File lib/oxidized/cli.rb, line 82 def check_pid return unless pidfile? case pid_status(pidfile) when :running, :not_owned puts "A server is already running. Check #{pidfile}" exit(1) when :dead File.delete(pidfile) end end
crash(error)
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# File lib/oxidized/cli.rb, line 31 def crash(error) Oxidized.logger.fatal "Oxidized crashed, crashfile written in #{Config::Crash}" File.open Config::Crash, 'w' do |file| file.puts '-' * 50 file.puts Time.now.utc file.puts error.message + ' [' + error.class.to_s + ']' file.puts '-' * 50 file.puts error.backtrace file.puts '-' * 50 end end
parse_opts()
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# File lib/oxidized/cli.rb, line 43 def parse_opts opts = Slop.parse do |opt| opt.on '-d', '--debug', 'turn on debugging' opt.on '--daemonize', 'Daemonize/fork the process' opt.on '-h', '--help', 'show usage' do puts opt exit end opt.on '--show-exhaustive-config', 'output entire configuration, including defaults' do asetus = Config.load puts asetus.to_yaml asetus.cfg Kernel.exit end opt.on '-v', '--version', 'show version' do puts Oxidized::VERSION_FULL Kernel.exit end end [opts.arguments, opts] end
pid_status(pidfile)
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# File lib/oxidized/cli.rb, line 94 def pid_status(pidfile) return :exited unless File.exist?(pidfile) pid = ::File.read(pidfile).to_i return :dead if pid.zero? Process.kill(0, pid) :running rescue Errno::ESRCH :dead rescue Errno::EPERM :not_owned end
pidfile?()
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# File lib/oxidized/cli.rb, line 66 def pidfile? !!pidfile end
write_pid()
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# File lib/oxidized/cli.rb, line 70 def write_pid return unless pidfile? begin File.open(pidfile, ::File::CREAT | ::File::EXCL | ::File::WRONLY) { |f| f.write(Process.pid.to_s) } at_exit { File.delete(pidfile) if File.exist?(pidfile) } rescue Errno::EEXIST check_pid retry end end