Ticket #84: sample-capfile

load 'deploy'

# ================================================================
# ROLES
# ================================================================


    role :java, "vm11.internallab.com"
  

# ================================================================
# VARIABLES
# ================================================================

# Webistrano defaults
  set :webistrano_project, "myjavaapp"
  set :webistrano_stage, "myjavaapp_prod"


  set :application, "myjavaapp"

  set :deploy_to, "/path/to/deployment_base"

  set :deploy_via, :checkout 

  set :repository, "https://svn.example.com/project/trunk"

  set :runner, "root"

  set :scm, "subversion"

  set :scm_password, "your_SVN_password"

  set :scm_username, "your_SVN_user"

  set :use_sudo, false

  set :user, "root"



  set(:password) do
    Capistrano::CLI.ui.ask "Please enter 'password': "
  end

  set(:version) do
    Capistrano::CLI.ui.ask "Please enter 'version': "
  end


# ================================================================
# TEMPLATE TASKS
# ================================================================

        # allocate a pty by default as some systems have problems without
        default_run_options[:pty] = true
      
        # set Net::SSH ssh options through normal variables
        # at the moment only one SSH key is supported as arrays are not
        # parsed correctly by Webistrano::Deployer.type_cast (they end up as strings)
        [:ssh_port, :ssh_keys].each do |ssh_opt|
          if exists? ssh_opt
            logger.important("SSH options: setting #{ssh_opt} to: #{fetch(ssh_opt)}")
            ssh_options[ssh_opt.to_s.gsub(/ssh_/, '').to_sym] = fetch(ssh_opt)
          end
        end
      
         namespace :deploy do
           task :restart, :roles => :app, :except => { :no_release => true } do
             # do nothing
           end

           task :start, :roles => :app, :except => { :no_release => true } do
             # do nothing
           end

           task :stop, :roles => :app, :except => { :no_release => true } do
             # do nothing
           end
         end


# ================================================================
# CUSTOM RECIPES
# ================================================================

require 'rubygems'

namespace :deploy do
  
  WEBAPP_HOME = '/usr/local/java-apps/webapps/'
  TOMCAT_HOME = '/usr/local/tomcat5/webapps/'
  BASE_URL = 'http://repo.internallab.com/repository/'
  DEPLOY_URL = 'http://localhost:8080/manager/deploy'
  RELOAD_URL = 'http://localhost:8080/manager/reload'
  USER = <user>
  PASS = <password>
  
  task :update, :roles => [:java] do
    @full_url = BASE_URL + group + '/' + application + '/' + version + 
      '/' + application + '-' + version + '.war'
    @app_fullname = application + '-' + version
    invoke_command "rm -rf #{WEBAPP_HOME}#{@app_fullname}.war; cd #{WEBAPP_HOME}; wget #{@full_url}", :via => run_method
    invoke_command "chown tomcat:root -R #{WEBAPP_HOME}", :via => run_method
    invoke_command "curl --user #{USER}:#{PASS} \"#{DEPLOY_URL}?path=/#{application}&war=#{WEBAPP_HOME}#{@app_fullname}.war&update=true\"", 
      :via => run_method
    # To avoid duplicate restart
    @restarted = true
    # Run the rsync command manually since we don't have a dependency on deploy:update
    invoke_command '/usr/local/bin/ruby /root/rsync-helper', :via => run_method
  end
  
  task :symlink, :roles => [:java] do
    # NOP
  end
  
  task :restart, :roles => [:java] do
    if not @restarted
      invoke_command "curl --user #{USER}:#{PASS} \"#{RELOAD_URL}?path=/#{application}\"", :via => run_method
    end
  end

  task :update_code, :roles => [:java] do
    # NOP
  end
end