# File lib/daemons/application_group.rb, line 143 def create_monitor(an_app) return if @monitor if options[:monitor] @monitor = Monitor.new(an_app) @monitor.start(@applications) end end
# File lib/daemons/application_group.rb, line 63 def find_applications(dir) if @no_pidfiles return find_applications_by_app_name(app_name) else return find_applications_by_pidfiles(dir) end end
TODO: identifiy the monitor process
# File lib/daemons/application_group.rb, line 72 def find_applications_by_app_name(app_name) pids = [] begin x = `ps auxw | grep -v grep | awk '{print $2, $11, $12}' | grep #{app_name}` if x && x.chomp! processes = x.split(/\n/).compact processes = processes.delete_if do |p| pid, name, add = p.split(/\s/) # We want to make sure that the first part of the process name matches # so that app_name matches app_name_22 app_name != name[0..(app_name.length - 1)] and not add.include?(app_name) end pids = processes.map {|p| p.split(/\s/)[0].to_i} end rescue ::Exception end return pids.map {|f| app = Application.new(self, {}, PidMem.existing(f)) setup_app(app) app } end
# File lib/daemons/application_group.rb, line 98 def find_applications_by_pidfiles(dir) pid_files = PidFile.find_files(dir, app_name, ! @keep_pid_files) #pp pid_files @monitor = Monitor.find(dir, app_name + '_monitor') pid_files.reject! {|f| f =~ /_monitor.pid$/} return pid_files.map {|f| app = Application.new(self, {}, PidFile.existing(f)) setup_app(app) app } end
# File lib/daemons/application_group.rb, line 114 def new_application(add_options = {}) if @applications.size > 0 and not @multiple if options[:force] @applications.delete_if {|a| unless a.running? a.zap true end } end raise RuntimeException.new('there is already one or more instance(s) of the program running') unless @applications.empty? end app = Application.new(self, add_options) setup_app(app) @applications << app return app end
# File lib/daemons/application_group.rb, line 59 def pidfile_dir PidFile.dir(@dir_mode, @dir, script) end
# File lib/daemons/application_group.rb, line 178 def reload_all @applications.each {|a| a.reload} end
Setup the application group. Currently this functions calls find_applications which finds all running instances of the application and populates the application array.
# File lib/daemons/application_group.rb, line 55 def setup @applications = find_applications(pidfile_dir()) end
# File lib/daemons/application_group.rb, line 188 def show_status @applications.each {|a| a.show_status} end
# File lib/daemons/application_group.rb, line 153 def start_all @monitor.stop if @monitor @monitor = nil @applications.each {|a| fork { a.start } } end
# File lib/daemons/application_group.rb, line 26 def initialize(app_name, options = {}) @app_name = app_name @options = options if options[:script] @script = File.expand_path(options[:script]) end #@controller = controller @monitor = nil #options = controller.options @multiple = options[:multiple] || false @dir_mode = options[:dir_mode] || :script @dir = options[:dir] || '' @keep_pid_files = options[:keep_pid_files] || false @no_pidfiles = options[:no_pidfiles] || false #@applications = find_applications(pidfile_dir()) @applications = [] end
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