Capistrano 2 on Site5

Posted by Giovanni Intini | Filed under Capistrano, Programming, Rails, Ruby, Site5

I finally took the time to browse the capistrano 2 sources, and after reaching enlightenment I was able to write a deploy.rb file (yes I still use capify + deploy.rb instead of Capfile) that works really fine and really sweet on Site5.

Without further ado, I introduce you to deploy.rb extreme Site5 version :) 

# Necessary to run on Site5
set :use_sudo, false
set :group_writable, false
 
# Less releases, less space wasted
set :keep_releases, 2
 
# The mandatory stuff
set :application, "YOUR_APP_NAME"
set :user, "SSH_USERNAME"
 
set :repository,  "URL_FOR_YOUR_REPOSITORY"
 
# SCM information
set :scm_username, "SCM_USERNAME"
set :scm_password, Proc.new { CLI.password_prompt "SVN Password: "}
 
# This is related to site5 too.
set :deploy_to, "/home/#{user}/apps/#{application}"
 
role :app, "SERVERNAME"
role :web, "SERVERNAME"
role :db,  "SERVERNAME", :primary => true
 
 
# In the deploy namespace we override some default tasks and we define
# the site5 namespace.
namespace :deploy do
  desc <<-DESC
    Deploys and starts a `cold' application. This is useful if you have not \
    deployed your application before, or if your application is (for some \
    other reason) not currently running. It will deploy the code, run any \
    pending migrations, and then instead of invoking `deploy:restart', it will \
    invoke `deploy:start' to fire up the application servers.
  DESC
  # NOTE: we kill public_html so be sure to have a backup or be ok with this application
  # being the default app for the domain.
  task :cold do
    update
    site5::link_public_html
    site5::kill_dispatch_fcgi
  end
 
  desc <<-DESC
    Site5 version of restart task.
  DESC
  task :restart do
    site5::kill_dispatch_fcgi
  end
 
  namespace :site5 do
    desc <<-DESC
      Links public_html to current_release/public
    DESC
    task :link_public_html do
      run "cd /home/#{user}; rm -rf public_html; ln -s #{current_path}/public ./public_html"
    end
 
    desc <<-DESC
      Kills Ruby instances on Site5
    DESC
    task :kill_dispatch_fcgi do
      run "skill -u #{user} -c ruby"
    end
  end
end

May your deploys be merry and bright and I wish you all your applications be white :)

Permalink | Comments (9) | Jul 31, 2007

9 Responses to “Capistrano 2 on Site5”

  1. links for 2007-07-31 -- A Tempest of Thoughts Says:
    August 1st, 2007 at 1:28 am

    [...] Capistrano 2 on Site5 Nice and working recipe for Capistrano on Site5. (tags: rails 4trm ruby rubyonrails capistrano site5) Last Modified : August 1st, 2007 Filed under : Del.icio.us Navigate : Previous post / Share : [...]

  2. Markús Says:
    August 2nd, 2007 at 1:43 pm

    Hi!

    I have a little different deploy.rb file. Here it is:

    set :run_method, :run #Is the same as :use_sudo, false
    set :group_writable, false #Very important in site5

    set :application, “APP_NAME”
    #I use the main user account provided by site5
    set :username, “username”
    set :password, “password”
    #I use svn+ssh protocol
    #My repository is in ~/svn/[trunk|branches|tags]
    set :repository, “svn+ssh://#{user}@servername/home/#{user}/svn/trunk”

    set :deploy_via, :remote_cache
    #I created a directory in ~/ with the APP_NAME and then linked public_html to /APP_NAME/current/public permanently (without a task)
    set :deploy_to, “    /APP_NAME”

    role :app, “SERVERNAME”
    role :web, “SERVERNAME”
    role :db, “SERVERNAME”, :primary => true

    #Now, I use one of the new features of Cap2, the callbacks.
    #This callbacks make two specific tasks, restart fcgi processes and symlink to database configuration
    after “deploy:restart”, :restart_web_server
    after “deploy:update_code”, :symlink_to_database_yml

    #I do not add a desc to the task, I prefer a long name
    task :restart_web_server, :roles => :web do
    run “skill -9 -u #{user} -c dispatch.fcgi”,
    end

    task :symlink_to_database_yml, :roles => :web do
    run “ln -s #{shared_path}/config/database.yml #{current_path}/config/database.yml”
    end

    And that’s all.

  3. Rails Deployment » Blog Archive » Capistrano 2 Deployment to Site5 Says:
    August 2nd, 2007 at 11:44 pm

    [...] Intini has posted a Capistrano 2 recipe for deploying to Site5. There’s another in variation in the comments to his [...]

  4. Giovanni Intini Says:
    August 3rd, 2007 at 9:32 am

    Markus when using callbacks don’t you get errors with the default capistrano tasks? I feel it’s cleaner to override the tasks that are not pertinent to site5.

  5. Markús Says:
    August 3rd, 2007 at 2:43 pm

    Giovanni: The only task you may override is deploy:restart, to substitute ‘process/reaper’ for ‘skill … dispatch.fcgi’, it’s the only error (actually is a notification, not an error) I take in my ‘cap deploy’ output.

    Bye!

  6. Giovanni Intini Says:
    August 6th, 2007 at 1:22 pm

    There’s also the spinner script in deploy:cold.

  7. Markús Says:
    August 6th, 2007 at 1:38 pm

    I ignore it. And I have only used deploy:cold in the first deployment, keeping my deploy.rb file as simple as possible.

  8. Brian Says:
    February 3rd, 2008 at 5:57 am

    What does SCM stand for?

    Thanks!
    Brian

  9. Giovanni Intini Says:
    March 28th, 2008 at 12:00 am

    SCM => Source Control Management