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Diffstat (limited to 'railties/bin/process/spinner')
| -rwxr-xr-x | railties/bin/process/spinner | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/railties/bin/process/spinner b/railties/bin/process/spinner deleted file mode 100755 index f4cd33cac1..0000000000 --- a/railties/bin/process/spinner +++ /dev/null @@ -1,67 +0,0 @@ -#!/usr/local/bin/ruby - -require 'optparse' - -def daemonize - exit if fork # Parent exits, child continues. - Process.setsid # Become session leader. - exit if fork # Zap session leader. See [1]. - Dir.chdir "/" # Release old working directory. - File.umask 0000 # Ensure sensible umask. Adjust as needed. - STDIN.reopen "/dev/null" # Free file descriptors and - STDOUT.reopen "/dev/null", "a" # point them somewhere sensible. - STDERR.reopen STDOUT # STDOUT/ERR should better go to a logfile. -end - -OPTIONS = { - :high_interval => 5.0, - :low_interval => 0.5, - :command => File.expand_path(File.dirname(__FILE__) + '/spawner'), - :daemon => false -} - -ARGV.options do |opts| - opts.banner = "Usage: spinner [options]" - - opts.separator "" - - opts.on <<-EOF - Description: - The spinner is a protection loop for the spawner, which will attempt to restart any FCGI processes - that might have been restarted or outright crashed. It's a brute-force attempt that'll just try - to run the spawner every X number of seconds, so it does pose a light load on the server. - - Examples: - spinner # attempts to run the spawner with default settings every second with output on the terminal - spinner -i 3 -d # only run the spawner every 3 seconds and detach from the terminal to become a daemon - spinner -c '/path/to/app/script/process/spawner -p 9000 -i 10' -d # using custom spawner - EOF - - opts.on(" Options:") - - opts.on("-c", "--command=path", String) { |OPTIONS[:command]| } - opts.on("-h", "--high-interval=seconds", Float) { |OPTIONS[:high_interval]| } - opts.on("-l", "--low-interval=seconds", Float) { |OPTIONS[:low_interval]| } - opts.on("-d", "--daemon") { |OPTIONS[:daemon]| } - - opts.separator "" - - opts.on("-h", "--help", "Show this help message.") { puts opts; exit } - - opts.parse! -end - -daemonize if OPTIONS[:daemon] - -trap(OPTIONS[:daemon] ? "TERM" : "INT") { exit } -trap("USR1") do - $interval = ($interval == OPTIONS[:high_interval] ? OPTIONS[:low_interval] : OPTIONS[:high_interval]) - puts "New interval: #{$interval}" -end - -$interval = OPTIONS[:high_interval] - -loop do - system(OPTIONS[:command]) - sleep($interval) -end
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