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Add phased restart to capistrano recipe.

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Add phased restart task.
Little refactor. Do not use fetch when no needed.
This commit is contained in:
Juan M. Cuello 2013-07-09 14:52:42 -03:00
parent 0ded7fbbdd
commit 44cbda1c9b
2 changed files with 19 additions and 11 deletions
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1
README.md
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@ -212,6 +212,7 @@ and then
$ bundle exec cap puma:start $ bundle exec cap puma:start
$ bundle exec cap puma:restart $ bundle exec cap puma:restart
$ bundle exec cap puma:stop $ bundle exec cap puma:stop
$ bundle exec cap puma:phased_restart
``` ```

29
lib/puma/capistrano.rb
View file

@ -8,34 +8,41 @@ Capistrano::Configuration.instance.load do
# v2 but is fixed in v3. # v2 but is fixed in v3.
shared_children.push('tmp/sockets') shared_children.push('tmp/sockets')
_cset(:puma_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec puma" } _cset(:puma_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec puma" }
_cset(:pumactl_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec pumactl" } _cset(:pumactl_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec pumactl" }
_cset(:puma_state) { "#{shared_path}/sockets/puma.state" } _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_socket) { "unix://#{shared_path}/sockets/puma.sock" }
_cset(:puma_role) { :app } _cset(:puma_role) { :app }
namespace :puma do namespace :puma do
desc 'Start puma' desc 'Start puma'
task :start, :roles => lambda { fetch(:puma_role) }, :on_no_matching_servers => :continue do task :start, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{fetch(:puma_cmd)} #{start_options}", :pty => false run "cd #{current_path} && #{puma_cmd} #{start_options}", :pty => false
end end
desc 'Stop puma' desc 'Stop puma'
task :stop, :roles => lambda { fetch(:puma_role) }, :on_no_matching_servers => :continue do task :stop, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{fetch(:pumactl_cmd)} -S #{state_path} stop" run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} stop"
end end
desc 'Restart puma' desc 'Restart puma'
task :restart, :roles => lambda { fetch(:puma_role) }, :on_no_matching_servers => :continue do task :restart, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{fetch(:pumactl_cmd)} -S #{state_path} restart" run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} restart"
end end
desc 'Restart puma (phased restart)'
task :phased_restart, :roles => lambda { puma_role }, :on_no_matching_servers => :continue do
run "cd #{current_path} && #{pumactl_cmd} -S #{state_path} phased-restart"
end
end end
def start_options def start_options
if config_file if config_file
"-q -d -e #{puma_env} -C #{config_file}" "-q -d -e #{puma_env} -C #{config_file}"
else else
"-q -d -e #{puma_env} -b '#{fetch(:puma_socket)}' -S #{state_path} --control 'unix://#{shared_path}/sockets/pumactl.sock'" "-q -d -e #{puma_env} -b '#{puma_socket}' -S #{state_path} --control 'unix://#{shared_path}/sockets/pumactl.sock'"
end end
end end
@ -52,7 +59,7 @@ Capistrano::Configuration.instance.load do
end end
def state_path def state_path
(config_file ? configuration.options[:state] : nil) || fetch(:puma_state) (config_file ? configuration.options[:state] : nil) || puma_state
end end
def configuration def configuration