Unicorn specific tasks for Capistrano 3.x
cap unicorn:start # Start unicorn
cap unicorn:stop # Stop unicorn gracefully (QUIT)
cap unicorn:shutdown # Stop unicorn immediately (TERM)
cap unicorn:restart # Restart unicorn
cap unicorn:restart_hup # Restart unicorn, when preload_app is false (HUP)
cap unicorn:restart_usr2 # Restart unicorn, when before_fork hook is set and preload_app is true (USR2)
cap unicorn:restart_usr2_quit # Restart unicorn, when before_fork hook is not set and preload_app is true (USR2 + QUIT)
cat unicorn:restart_quit # Restart unicorn, simple stop it gracefully and start again (QUIT)
cat unicorn:restart_term # Restart unicorn, simple stop it immediately and start it again (TERM)
cap unicorn:add_worker[count] # Add a worker (TTIN)
cap unicorn:remove_worker[count] # Remove a worker (TTOU)
cap unicorn:stop_workers # Stop all workers but keep the master running (WINCH)
cap unicorn:reopen_logs # Reopen all logs owned by the master and all workers (USR1)
Add this line to your application's Gemfile:
gem 'capistrano-unicorn-edge', require: false, group: :developmentAnd then execute:
$ bundle
Or install it yourself as:
$ gem install capistrano-unicorn-edge
Require in Capfile to use tasks:
require 'capistrano/unicorn'Configurable options:
set :unicorn_pid, -> { current_path.join('tmp/pids/unicorn.pid') } # this is default
set :unicorn_config, -> { current_path.join("config/unicorn/#{fetch(:rails_env)}.rb") } # this is default
set :unicorn_roles, :app # this is default
set :unicorn_options, '' # this is default
set :unicorn_restart_delay, 5 # this is default
set :unicorn_rack_env, :deployment # this is default
set :unicorn_restart_method, :restart_usr2 # this is defaultEverything should work out of the box but you need to set up unicorn's config. (see an example examples/unicorn.rb).
There are three different ways to restart server:
:restart_huprestarts all workers and therefore all code changes, makes sense ifpreload_appis false:restart_usr2_quitre-executes the running binary and stops previous instance in:unicorn_restart_delay:restart_usr2the same as above butbefore_forkhook has to be set, default and the best choice:restart_quitstops server gracefully and starts it again in:unicorn_restart_delay:restart_termstops server immediately and starts it again
Using methods which are based on QUIT signal can't be absolutely reliable
- Fork it ( https://github.com/amenzhinsky/capistrano-unicorn-edge/fork )
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create a new Pull Request
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