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Diffstat (limited to 'examples/mongrel_rails_service.rb')
| -rw-r--r-- | examples/mongrel_rails_service.rb | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/examples/mongrel_rails_service.rb b/examples/mongrel_rails_service.rb new file mode 100644 index 0000000..a0c4454 --- /dev/null +++ b/examples/mongrel_rails_service.rb @@ -0,0 +1,237 @@ +###############################################
+# mongrel_rails_service.rb
+#
+# Control script for Rails powered by Mongrel
+#
+# WARNING: stop command still doesn't work with rails!
+###############################################
+require 'rubygems'
+require 'mongrel'
+require 'mongrel/command'
+
+require 'win32/service'
+include Win32
+
+module GenericCommand
+ def configure
+ options [
+ ['-n', '--name SVC_NAME', "Required name for the service to be registered/installed.", :@svc_name, nil],
+ ]
+ end
+
+ def validate
+ valid? @svc_name != nil, "You must specify the service name to be uninstalled."
+
+ # We should validate service existance here, right Zed?
+ begin
+ valid? Service.exists?(@svc_name), "There is no service with that name, cannot proceed."
+ rescue
+ end
+
+ return @valid
+ end
+end
+
+class InstallCommand < Mongrel::Command::Command
+
+ # Default every option to nil so only the defined ones get passed to service
+ # (which will override ServiceCommand defaults).
+ def configure
+ options [
+ ['-n', '--name SVC_NAME', "Required name for the service to be registered/installed.", :@svc_name, nil],
+ ['-d', '--display SVC_DISPLAY', "Adjust the display name of the service.", :@svc_display, nil],
+ ['-r', '--root PATH', "Set the root path where your rails app resides.", :@rails_root, Dir.pwd],
+ ['-e', '--environment ENV', "Rails environment to run as", :@environment, 'production'],
+ ['-b', '--binding ADDR', "Address to bind to", :@ip, nil],
+ ['-p', '--port PORT', "Which port to bind to", :@port, 3000],
+ ['-m', '--mime PATH', "A YAML file that lists additional MIME types", :@mime_map, nil],
+ ['-P', '--num-procs INT', "Number of processor threads to use", :@num_procs, nil],
+ ['-t', '--timeout SECONDS', "Timeout all requests after SECONDS time", :@timeout, nil],
+ ]
+ end
+
+ # When we validate the options, we need to make sure the --root is actually RAILS_ROOT
+ # of the rails application we wanted to serve, because later "as service" no error
+ # show to trace this.
+ def validate
+ @rails_root = File.expand_path(@rails_root)
+
+ # start with the premise of app really exist.
+ app_exist = true
+ paths = %w{app config db log public}
+ paths.each do |path|
+ if !File.directory?(@rails_root + '/' + path)
+ app_exist = false
+ break
+ end
+ end
+
+ valid? @svc_name != nil, "You must specify a valid service name to install."
+ valid? app_exist == true, "The root of rails app isn't valid, please verify."
+ valid_exists? @mime_map, "MIME mapping file does not exist: #@mime_map" if @mime_map
+
+ # We should validate service existance here, right Zed?
+ begin
+ valid? !Service.exists?(@svc_name), "The service already exist, please uninstall it first."
+ rescue
+ end
+
+ # Expand to get full path for mime-types file
+ @mime_map = File.Expand_path(@mime_map) if @mime_map
+
+ # default service display to service name
+ @svc_display = @svc_name if !@svc_display
+
+ return @valid
+ end
+
+ def build_params
+ # build the parameters that will be used when register/install the service
+ @params = ""
+
+ # add "service" command
+ @params << "service "
+
+ # rails_root, must be quoted to support long_names
+ @params << "-r \"#{@rails_root}\" "
+
+ # environment
+ @params << "-e #{@environment} " if @environment
+
+ # binding
+ @params << "-b #{@ip} " if @ip
+
+ # port
+ @params << "-p #{@port.to_i} " if @port
+
+ # mime
+ @params << "-m #{@mime_map} " if @mime_map
+
+ # num_procs
+ @params << "-P #{@num_procs.to_i} " if @num_procs
+
+ # timeout
+ @params << "-t #{@timeout.to_i} " if @timeout
+ end
+
+ def install_service
+ # use rbconfig to get the path to bin ruby.exe
+ require 'rbconfig'
+
+ # ruby.exe instead of rubyw.exe due a exception raised when stoping the service!
+ binary_path = ""
+ binary_path << '"' << Config::CONFIG['bindir'] << '/ruby.exe' << '" '
+
+ # add service_script
+ service_script = File.expand_path(File.dirname(__FILE__) + '/mongrel_rails_svc.rb')
+ binary_path << '"' << service_script << '" '
+
+ # now add the parameters to it.
+ binary_path << @params
+
+ puts "Installing service with these options:"
+ puts "service name: " << @svc_name
+ puts "service display: " << @svc_display
+
+ puts "RAILS_ROOT: " << @rails_root
+ puts "RAILS_ENV: " << @environment if @environment
+ puts "binding: " << @ip if @ip
+ puts "port: " << @port.to_s if @port
+
+ puts "mime_map: " << @mime_map if @mime_map
+ puts "num_procs: " << @num_procs.to_s if @num_procs
+ puts "timeout: " << @timeout.to_s if @timeout
+
+ puts "ruby.exe: " << Config::CONFIG['bindir'] << '/ruby.exe'
+ puts "service script: " << service_script
+ puts
+
+ svc = Service.new
+ begin
+ svc.create_service{ |s|
+ s.service_name = @svc_name
+ s.display_name = @svc_display
+ s.binary_path_name = binary_path
+ s.dependencies = []
+ }
+ puts "#{@svc_display} service installed."
+ rescue ServiceError => err
+ puts "There was a problem installing the service:"
+ puts err
+ end
+ svc.close
+ end
+
+ def run
+ build_params
+ install_service
+ end
+end
+
+class DeleteCommand < Mongrel::Command::Command
+ include GenericCommand
+
+ def run
+ display_name = Service.getdisplayname(@svc_name)
+
+ begin
+ Service.stop(@svc_name)
+ rescue
+ end
+ begin
+ Service.delete(@svc_name)
+ rescue
+ end
+ puts "#{display_name} service deleted."
+ end
+end
+
+class StartCommand < Mongrel::Command::Command
+ include GenericCommand
+
+ def run
+ display_name = Service.getdisplayname(@svc_name)
+
+ begin
+ Service.start(@svc_name)
+ started = false
+ while started == false
+ s = Service.status(@svc_name)
+ started = true if s.current_state == "running"
+ break if started == true
+ puts "One moment, " + s.current_state
+ sleep 1
+ end
+ puts "#{display_name} service started"
+ rescue ServiceError => err
+ puts "There was a problem starting the service:"
+ puts err
+ end
+ end
+end
+
+class StopCommand < Mongrel::Command::Command
+ include GenericCommand
+
+ def run
+ display_name = Service.getdisplayname(@svc_name)
+
+ begin
+ Service.stop(@svc_name)
+ stopped = false
+ while stopped == false
+ s = Service.status(@svc_name)
+ stopped = true if s.current_state == "stopped"
+ break if stopped == true
+ puts "One moment, " + s.current_state
+ sleep 1
+ end
+ puts "#{display_name} service stopped"
+ rescue ServiceError => err
+ puts "There was a problem stopping the service:"
+ puts err
+ end
+ end
+end
+
+Mongrel::Command::Registry.instance.run ARGV
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