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puma--puma/lib/puma/capistrano.rb

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Capistrano::Configuration.instance.load do
# Ensure the tmp/sockets directory is created by the deploy:setup task and
# symlinked in by the deploy:update task. This is not handled by Capistrano
# v2 but is fixed in v3.
shared_children.push('tmp/sockets')
_cset(:puma_default_hooks) { true }
_cset(:puma_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec puma" }
_cset(:pumactl_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec pumactl" }
_cset(:puma_env) { fetch(:rack_env, fetch(:rails_env, 'production')) }
_cset(:puma_state) { "#{shared_path}/sockets/puma.state" }
_cset(:puma_socket) { "unix://#{shared_path}/sockets/puma.sock" }
_cset(:puma_role) { :app }
if fetch(:puma_default_hooks)
after 'deploy:stop', 'puma:stop'
after 'deploy:start', 'puma:start'
after 'deploy:restart', 'puma:restart'
end
namespace :puma do
desc 'Start puma'
task :start, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{puma_cmd} #{start_options}", :pty => false
end
desc 'Stop puma'
task :stop, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} stop"
end
desc 'Restart puma'
task :restart, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
begin
run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} restart"
rescue Capistrano::CommandError => ex
puts "Failed to restart puma: #{ex}\nAssuming not started."
start
end
end
desc 'Restart puma (phased restart)'
task :phased_restart, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
begin
run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} phased-restart"
rescue Capistrano::CommandError => ex
puts "Failed to restart puma: #{ex}\nAssuming not started."
start
end
end
end
def start_options
if config_file
"-q -d -e #{puma_env} -C #{config_file}"
else
"-q -d -e #{puma_env} -b '#{puma_socket}' -S #{state_path} --control 'unix://#{shared_path}/sockets/pumactl.sock'"
end
end
def config_file
@_config_file ||= begin
file = fetch(:puma_config_file, nil)
file = "./config/puma/#{puma_env}.rb" if !file && File.exists?("./config/puma/#{puma_env}.rb")
file
end
end
def puma_env
fetch(:rack_env, fetch(:rails_env, 'production'))
end
def state_path
(config_file ? configuration.options[:state] : nil) || puma_state
end
def configuration
require 'puma/configuration'
config = Puma::Configuration.new(:config_file => config_file)
config.load
config
end
end