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# File 'lib/capistrano-supervisord/deploy.rb', line 5
def self.extended(configuration)
configuration.load {
namespace(:deploy) {
desc("Start service.")
task(:start, :roles => :app, :except => { :no_release => true }) {
supervisord.start
}
desc("Stop service.")
task(:stop, :roles => :app, :except => { :no_release => true }) {
supervisord.stop
}
desc("Restart service.")
task(:restart, :roles => :app, :except => { :no_release => true }) {
supervisord.restart
}
}
namespace(:supervisord) {
_cset(:supervisord_configure_path, '/')
_cset(:supervisord_configure_source_path, File.join(File.dirname(__FILE__), 'templates', 'supervisord'))
_cset(:supervisord_configure_files, [])
_cset(:supervisord_configure_file_prefix, '')
_cset(:supervisord_configure_file_suffix, '')
_cset(:supervisord_configure_cleanup_files, [])
_cset(:supervisord_install_method, :apt)
_cset(:supervisord_service_method, :sysvinit)
namespace(:setup) {
desc("Setup supervisord.")
task(:default, :roles => :app, :except => { :no_release => true }) {
transaction {
install.install
configure
service.install
reload
}
}
after 'deploy:setup', 'supervisord:setup'
task(:configure, :roles => :app, :except => { :no_release => true }) {
tmp_files = []
on_rollback {
run("rm -f #{tmp_files.join(' ')}") unless tmp_files.empty?
}
supervisord_configure_files.each { |file|
src_file = File.join(supervisord_configure_source_path, file)
dst_file = File.join(supervisord_configure_path, supervisord_configure_file_prefix + file + supervisord_configure_file_suffix)
tmp_file = File.join('/tmp', File.basename(file))
if File.file?(src_file)
put(File.read(src_file), tmp_file)
elsif File.file?("#{src_file}.erb")
src_file = "#{src_file}.erb"
put(ERB.new(File.read(src_file)).result(binding), tmp_file)
else
abort("configure: no such template found: #{src_file} or #{src_file}.erb")
end
run("diff -u #{dst_file} #{tmp_file} || #{sudo} mv -f #{tmp_file} #{dst_file}; rm -f #{tmp_file}")
}
run("#{sudo} rm -rf #{supervisord_configure_cleanup_files.join(' ')}") unless supervisord_configure_cleanup_files.empty?
}
}
namespace(:install) {
task(:default, :roles => :app, :except => { :no_release => true }) {
install
}
task(:install, :roles => :app, :except => { :no_release => true }) {
__send__(supervisord_install_method).install if supervisord_install_method
}
namespace(:apt) {
_cset(:supervisord_install_apt_packages, %w(supervisor))
task(:install, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} apt-get -y install #{supervisord_install_apt_packages.join(' ')}")
}
}
}
namespace(:service) {
_cset(:supervisord_service_name, 'supervisor')
task(:install, :roles => :app, :except => { :no_release => true }) {
__send__(supervisord_service_method).install if supervisord_service_method
}
namespace(:sysvinit) {
task(:install, :roles => :app, :except => { :no_release => true }) {
}
task(:start, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} start")
}
task(:stop, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} stop")
}
task(:status, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} status")
}
task(:restart, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} restart || #{sudo} service #{supervisord_service_name} start")
}
task(:reload, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} force-reload || #{sudo} service #{supervisord_service_name} start")
}
}
namespace(:upstart) {
task(:install, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} update-rc.d -f #{supervisord_service_name} remove; true")
}
task(:start, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} start")
}
task(:stop, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} stop")
}
task(:status, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} status")
}
task(:restart, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} restart || #{sudo} service #{supervisord_service_name} start")
}
task(:reload, :roles => :app, :except => { :no_release => true }) {
run("#{sudo} service #{supervisord_service_name} reload || #{sudo} service #{supervisord_service_name} start")
}
}
}
desc("Start supervisord daemon.")
task(:start, :roles => :app, :except => { :no_release => true }) {
service.__send__(supervisord_service_method).start if supervisord_service_method
}
desc("Stop supervisord daemon.")
task(:stop, :roles => :app, :except => { :no_release => true }) {
service.__send__(supervisord_service_method).stop if supervisord_service_method
}
desc("Restart supervisord daemon.")
task(:restart, :roles => :app, :except => { :no_release => true }) {
service.__send__(supervisord_service_method).restart if supervisord_service_method
}
desc("Reload supervisord daemon.")
task(:reload, :roles => :app, :except => { :no_release => true }) {
service.__send__(supervisord_service_method).reload if supervisord_service_method
}
desc("Show supervisord daemon status.")
task(:status, :roles => :app, :except => { :no_release => true }) {
service.__send__(supervisord_service_method).status if supervisord_service_method
}
}
}
end
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