Remove old process management scripts

[rails.git] / vendor / plugins / irs_process_scripts / lib / commands / process / reaper.rb

diff --git a/vendor/plugins/irs_process_scripts/lib/commands/process/reaper.rb b/vendor/plugins/irs_process_scripts/lib/commands/process/reaper.rb
deleted file mode 100644 (file)
index 95175d4..0000000
--- a/vendor/plugins/irs_process_scripts/lib/commands/process/reaper.rb
+++ /dev/null
@@ -1,149 +0,0 @@
-require 'optparse'
-require 'net/http'
-require 'uri'
-
-if RUBY_PLATFORM =~ /(:?mswin|mingw)/ then abort("Reaper is only for Unix") end
-
-class Killer
-  class << self
-    # Searches for all processes matching the given keywords, and then invokes
-    # a specific action on each of them. This is useful for (e.g.) reloading a
-    # set of processes:
-    #
-    #   Killer.process(:reload, "/tmp/pids", "dispatcher.*.pid")
-    def process(action, pid_path, pattern, keyword)
-      new(pid_path, pattern, keyword).process(action)
-    end
-
-    # Forces the (rails) application to reload by sending a +HUP+ signal to the
-    # process.
-    def reload(pid)
-      `kill -s HUP #{pid}`
-    end
-
-    # Force the (rails) application to restart by sending a +USR2+ signal to the
-    # process.
-    def restart(pid)
-      `kill -s USR2 #{pid}`
-    end
-
-    # Forces the (rails) application to gracefully terminate by sending a
-    # +TERM+ signal to the process.
-    def graceful(pid)
-      `kill -s TERM #{pid}`
-    end
-
-    # Forces the (rails) application to terminate immediately by sending a -9
-    # signal to the process.
-    def kill(pid)
-      `kill -9 #{pid}`
-    end
-
-    # Send a +USR1+ signal to the process.
-    def usr1(pid)
-      `kill -s USR1 #{pid}`
-    end
-  end
-
-  def initialize(pid_path, pattern, keyword=nil)
-    @pid_path, @pattern, @keyword = pid_path, pattern, keyword
-  end
-
-  def process(action)
-    pids = find_processes
-
-    if pids.empty?
-      warn "Couldn't find any pid file in '#{@pid_path}' matching '#{@pattern}'"
-      warn "(also looked for processes matching #{@keyword.inspect})" if @keyword
-    else
-      pids.each do |pid|
-        puts "#{action.capitalize}ing #{pid}"
-        self.class.send(action, pid)
-      end
-      
-      delete_pid_files if terminating?(action)
-    end      
-  end
-  
-  private
-    def terminating?(action)
-      [ "kill", "graceful" ].include?(action)
-    end
-  
-    def find_processes
-      files = pid_files
-      if files.empty?
-        find_processes_via_grep
-      else
-        files.collect { |pid_file| File.read(pid_file).to_i }
-      end
-    end
-
-    def find_processes_via_grep
-      lines = `ps axww -o 'pid command' | grep #{@keyword}`.split(/\n/).
-        reject { |line| line =~ /inq|ps axww|grep|spawn-fcgi|spawner|reaper/ }
-      lines.map { |line| line[/^\s*(\d+)/, 1].to_i }
-    end
-    
-    def delete_pid_files
-      pid_files.each { |pid_file| File.delete(pid_file) }
-    end
-    
-    def pid_files
-      Dir.glob(@pid_path + "/" + @pattern)
-    end
-end
-
-
-OPTIONS = {
-  :action     => "restart",
-  :pid_path   => File.expand_path(RAILS_ROOT + '/tmp/pids'),
-  :pattern    => "dispatch.[0-9]*.pid",
-  :dispatcher => File.expand_path("#{RAILS_ROOT}/public/dispatch.fcgi")
-}
-
-ARGV.options do |opts|
-  opts.banner = "Usage: reaper [options]"
-
-  opts.separator ""
-
-  opts.on <<-EOF
-  Description:
-    The reaper is used to restart, reload, gracefully exit, and forcefully exit processes
-    running a Rails Dispatcher (or any other process responding to the same signals). This
-    is commonly done when a new version of the application is available, so the existing
-    processes can be updated to use the latest code.
-
-    It uses pid files to work on the processes and by default assume them to be located
-    in RAILS_ROOT/tmp/pids. 
-
-    The reaper actions are:
-
-    * restart : Restarts the application by reloading both application and framework code
-    * reload  : Only reloads the application, but not the framework (like the development environment)
-    * graceful: Marks all of the processes for exit after the next request
-    * kill    : Forcefully exists all processes regardless of whether they're currently serving a request
-
-    Restart is the most common and default action.
-
-  Examples:
-    reaper                  # restarts the default dispatchers
-    reaper -a reload        # reload the default dispatchers
-    reaper -a kill -r *.pid # kill all processes that keep pids in tmp/pids
-  EOF
-
-  opts.on("  Options:")
-
-  opts.on("-a", "--action=name", "reload|graceful|kill (default: #{OPTIONS[:action]})", String)  { |v| OPTIONS[:action] = v }
-  opts.on("-p", "--pidpath=path", "default: #{OPTIONS[:pid_path]}", String)                      { |v| OPTIONS[:pid_path] = v }
-  opts.on("-r", "--pattern=pattern", "default: #{OPTIONS[:pattern]}", String)                    { |v| OPTIONS[:pattern] = v }
-  opts.on("-d", "--dispatcher=path", "DEPRECATED. default: #{OPTIONS[:dispatcher]}", String)     { |v| OPTIONS[:dispatcher] = v }
-
-  opts.separator ""
-
-  opts.on("-h", "--help", "Show this help message.") { puts opts; exit }
-
-  opts.parse!
-end
-
-Killer.process(OPTIONS[:action], OPTIONS[:pid_path], OPTIONS[:pattern], OPTIONS[:dispatcher])