Capistrano::Configuration.instance(:must_exist).load do
depend :remote, :gem, "mongrel_cluster", ">=0.2.1"
after "deploy:setup", "mongrel:cluster:setup"
set(:mongrel_servers, 3)
set(:mongrel_port) { abort 'Please configure the mongrel_port variable before deploying' }
set(:mongrel_address, "127.0.0.1")
set(:mongrel_environment, "production")
set(:mongrel_user) { user }
set(:mongrel_group) { user }
set(:mongrel_prefix, nil)
set(:mongrel_num_procs, 3)
set(:mongrel_conf) { File.join(shared_path, 'config', 'mongrel_cluster.yml') }
set(:mongrel_startup_file) { File.join('/etc', 'mongrel_cluster', "#{application}.yml") }
namespace :mongrel do
namespace :cluster do
desc <<-DESC
Configure Mongrel processes on the app server. This uses the :use_sudo
variable to determine whether to use sudo or not. By default, :use_sudo is
set to true.
DESC
task :setup, :roles => :app do
argv = []
argv << "mongrel_rails cluster::configure"
argv << "-N #{mongrel_servers.to_s}"
argv << "-p #{mongrel_port.to_s}"
argv << "-e #{mongrel_environment}"
argv << "-a #{mongrel_address}"
argv << "-c #{current_path}"
argv << "-C #{mongrel_conf}"
argv << "-n #{mongrel_num_procs}"
argv << "--user #{mongrel_user}" if mongrel_user
argv << "--group #{mongrel_group}" if mongrel_group
argv << "--prefix #{mongrel_prefix}" if mongrel_prefix
cmd = argv.join " "
# Try to create shared/config
run "mkdir -p #{File.dirname(mongrel_conf)}"
# Run the command to generate a shared/config/mongrel_cluster.yml
run cmd
# Try to create /etc/mongrel_cluster
sudo "mkdir -p #{File.dirname(mongrel_startup_file)}"
run <<-CMD
if [ ! -e #{mongrel_startup_file} ] ; then
sudo ln -s #{mongrel_conf} #{mongrel_startup_file} ;
fi
CMD
end
desc <<-DESC
Start Mongrel processes on the app server. This uses the :use_sudo variable to determine whether to use sudo or not. By default, :use_sudo is
set to true.
DESC
task :start, :roles => :app do
sudo "mongrel_rails cluster::start -C #{mongrel_conf}"
end
desc <<-DESC
Restart the Mongrel processes on the app server by starting and stopping the cluster. This uses the :use_sudo
variable to determine whether to use sudo or not. By default, :use_sudo is set to true.
DESC
task :restart, :roles => :app do
sudo "mongrel_rails cluster::restart -C #{mongrel_conf}"
end
desc <<-DESC
Stop the Mongrel processes on the app server. This uses the :use_sudo
variable to determine whether to use sudo or not. By default, :use_sudo is
set to true.
DESC
task :stop, :roles => :app do
sudo "mongrel_rails cluster::stop -f -C #{mongrel_conf}"
end
desc <<-DESC
Apply a new Mongrel configuration.
DESC
task :reset_config, :roles => :app do
mongrel.cluster.stop
run "rm -f #{mongrel_conf}"
mongrel.cluster.setup
mongrel.cluster.start
end
end
end
# Override standard deploy.
namespace :deploy do
desc <<-DESC
Start the Mongrel processes on the app server by calling mongrel:cluster:start
DESC
task :start, :roles => :app do
mongrel.cluster.start
end
desc <<-DESC
Restart the Mongrel processes on the app server by calling mongrel:cluster:restart
DESC
task :restart, :roles => :app do
mongrel.cluster.restart
end
desc <<-DESC
Stop the Mongrel processes on the app server by calling mongrel:cluster:stop
DESC
task :stop, :roles => :app do
mongrel.cluster.stop
end
end
end
