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# File 'lib/capistrano-kyan/capistrano_integration.rb', line 21
def self.load_into(capistrano_config)
capistrano_config.load do
before(CapistranoIntegration::TASKS) do
_cset(:app_env) { (fetch(:rails_env) rescue 'staging') }
_cset(:vhost_env) { fetch(:app_env) }
_cset(:vhost_tmpl_path) { 'config/vhosts' }
_cset(:vhost_tmpl_name) { 'vhost.conf.erb' }
_cset(:vhost_server_path) { '/etc/nginx/sites-enabled' }
_cset(:vhost_server_name) { File.basename(deploy_to) rescue fetch(:app_env) }
end
def appize(app, prefix = 'staging')
"#{app.gsub('.','_')}_#{prefix}"
end
def tmpl_server_location
run "mkdir -p #{shared_path}/config"
File.join(shared_path, 'config', "#{File.basename(deploy_to)}.conf")
end
def symlink(target, link)
run "ln -nfs #{target} #{link}"
end
def parse_template(template)
ERB.new(File.read(template), nil , '-').result(binding)
end
def build_vhost(path, name)
[
File.join(path, name),
File.join(File.dirname(__FILE__),'../../templates/vhost.conf.erb')
].each do |template|
if File.file? template
return parse_template(template)
end
end
end
namespace :deploy do
desc "Load the database with seed data"
task :seed do
run "cd #{current_path}; bundle exec rake db:seed RAILS_ENV=#{app_env}"
end
task :add_env do
put "RAILS_ENV=#{app_env}", "#{release_path}/.env"
end
end
after "deploy:finalize_update", "deploy:add_env"
namespace :nginx do
task :start, :roles => :app, :except => { :no_release => true } do
run "sudo /etc/init.d/nginx start"
end
task :stop, :roles => :app, :except => { :no_release => true } do
run "sudo /etc/init.d/nginx stop"
end
task :restart, :roles => :app, :except => { :no_release => true } do
run "sudo /etc/init.d/nginx restart"
end
task :reload, :roles => :app, :except => { :no_release => true } do
run "sudo /etc/init.d/nginx reload"
end
end
namespace :foreman do
desc "Export the Procfile to Ubuntu's upstart scripts"
task :export, :roles => :app do
run "cd #{release_path} && sudo foreman export upstart /etc/init -a #{vhost_server_name} -u #{user} -l #{shared_path}/log"
end
desc "Start the application services"
task :start, :roles => :app do
run "sudo start #{vhost_server_name}"
end
desc "Stop the application services"
task :stop, :roles => :app do
run "sudo stop #{vhost_server_name}"
end
desc "Restart the application services"
task :restart, :roles => :app do
run "sudo start #{vhost_server_name} || sudo restart #{vhost_server_name}"
end
end
namespace :kyan do
namespace :vhost do
desc <<-DESC
Creates and symlinks an Nginx virtualhost entry.
By default, this task uses a builtin template which you
see the output with rake kyan:vhost:show. If you need to
customise this, you can create your own erb template and
update the :vhost_tmpl_path and :vhost_tmpl_name variables.
DESC
task :setup, :except => { :no_release => true } do
if tmpl = build_vhost(vhost_tmpl_path, vhost_tmpl_name)
put tmpl, tmpl_server_location
symlink(tmpl_server_location, vhost_server_path)
else
puts "Could not find a suitable template."
end
end
desc "Displays the vhost that will be uploaded to server"
task :show, :except => { :no_release => true } do
puts build_vhost(vhost_tmpl_path, vhost_tmpl_name)
end
end
namespace :db do
task :symlink, :except => { :no_release => true } do
path_to_appl_database_yml = "#{release_path}/config/database.yml"
path_to_conf_database_yml = "#{shared_path}/config/database.yml"
run "ln -nfs #{path_to_conf_database_yml} #{path_to_appl_database_yml}"
end
end
after "deploy:finalize_update", "kyan:db:symlink"
end
end
end
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