Sha256: 03da42493629047ee574b217ff39fe2509c8507af9339a5e55fb545a36818f49
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Size: 1.92 KB
Versions: 8
Compression:
Stored size: 1.92 KB
Contents
module Workhorse
class Daemon::ShellHandler
def self.run(**options, &block)
unless ARGV.count == 1
usage
exit 99
end
if Workhorse.lock_shell_commands
lockfile_path = options.delete(:lockfile) || 'workhorse.lock'
lockfile = File.open(lockfile_path, 'a')
lockfile.flock(File::LOCK_EX || File::LOCK_NB)
else
lockfile = nil
end
daemon = Workhorse::Daemon.new(**options, &block)
begin
case ARGV.first
when 'start'
exit daemon.start
when 'stop'
exit daemon.stop
when 'kill'
exit daemon.stop(true)
when 'status'
exit daemon.status
when 'watch'
exit daemon.watch
when 'restart'
exit daemon.restart
when 'restart-logging'
exit daemon.restart_logging
when 'usage'
usage
exit 99
else
usage
end
exit 0
rescue => e
warn "#{e.message}\n#{e.backtrace.join("\n")}"
exit 99
ensure
lockfile&.flock(File::LOCK_UN)
end
end
def self.usage
warn <<USAGE
Usage: #{$PROGRAM_NAME} start|stop|status|watch|restart|usage
Options:
start
Start the daemon
stop
Stop the daemon
kill
Kill the daemon
status
Query the status of the daemon. Exit with status 1 if any worker is
not running.
watch
Checks the status (running or stopped) and whether it is as
expected. Starts the daemon if it is expected to run but is not.
restart
Shortcut for consecutive 'stop' and 'start'.
restart-logging
Re-opens log files, useful e.g. after the log files have been moved or
removed by log rotation.
usage
Show this message
Exit status:
0 if OK,
1 on fatal errors outside of workhorse,
2 if at least one worker has an unexpected status,
99 on all other errors.
USAGE
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems