server = DO::Server.new('srv1', 'srv1.domain.local', 'root', :key => %w[srv1.pem]

server.run 'uname'
# root@srv1 ~ # uname
# Linux

server.run 'uname', '-a'
# root@srv1 ~ # uname -a
# Linux srv1.lipsiasoft.net 2.6.18-194.32.1.el5  x86_64 x86_64 x86_64 GNU/Linux

server.run 'mysqladmin -u root -p password "oldone"', 'newpassword'
# root@srv1 ~ # mysqladmin -u root -p password 'oldone'
# Enter password: oldone
# mysqladmin: connect to server at 'localhost' failed
# error: 'Access denied for user 'root'@'localhost' (using password: YES)'

server.exist?('~/.ssh')
# root@srv1 ~ # test -e ~/.ssh && echo True
# => true

server.read('/etc/redhat-release')
# root@srv1 ~ # cat /etc/redhat-release
# => "CentOS release 5.5 (Final)"

server.upload '/tmp/file', '/tmp/foo'
# root@srv1 ~ # upload from '/tmp/file' to '/tmp/foo'

server.download '/tmp/foo', '/tmp/file2'
# root@srv1 ~ # download from '/tmp/foo' to '/tmp/file2'

server.replace :all, 'new content', '/tmp/file'
# root@srv1 ~ # replace all in '/tmp/foo'

server.read('/tmp/foo')
# root@srv1 ~ # cat /tmp/foo
# => "new content"

server.replace /content$/, 'changed content', '/tmp/foo'
# root@srv1 ~ # replace /content$/ in '/tmp/foo'

server.read('/tmp/foo')
# root@srv1 ~ # cat /tmp/foo
# => "new changed content"

server.append('appended', '/tmp/foo')
# root@srv1 ~ # append to 'bottom' in '/tmp/foo'

server.read('/tmp/foo')
# root@srv1 ~ # cat /tmp/foo
# => "new changed contentappended"

server.append('---', '/tmp/foo', :top)
# root@srv1 ~ # append to 'top' in '/tmp/foo'

server.read('/tmp/foo')
# root@srv1 ~ # cat /tmp/foo
# => "---new changed contentappended"

server.ask "Please choose"
# root@srv1 ~ # Please choose: foo
# => "foo"

server.yes? "Do you want to proceed"
# root@srv1 ~ # Do you want to proceed? (y/n): y
# => 0

server.wait
# Press ENTER to continue...

plugin :vim, 'https://raw.github.com/DAddYE/.do/master/vim.rake'

# ~/.do/dorc
keys = %w(/keys/master.pem /keys/instances.pem /keys/stage.pem)
server :sho0, 'sho0.lipsiasoft.biz', 'root', :keys => keys
server :srv0, 'srv0.lipsiasoft.biz', 'root', :keys => keys
server :srv1, 'srv1.lipsiasoft.biz', 'root', :keys => keys
server :srv2, 'srv2.lipsiasoft.biz', 'root', :keys => keys

# ~/.do/configure.rake
namespace :configure
  desc "upgrade rubygems and install useful gems"
  task :gems => :ree, :in => :web do
    run "gem update --system" if yes?("Do you want to update rubygems?")
    run "gem install rake"
    run "gem install highline"
    run "gem install bundler"
    run "ln -s /opt/ruby-enterprise/bin/bundle /usr/bin/bundle" unless exist?("/usr/bin/bundle")
  end

  desc "create motd for each server"
  task :motd, :in => :remote do
    replace :all, "Hey boss! Welcome to the \e[1m#{name}\e[0m of LipsiaSOFT s.r.l.\n", "/etc/motd"
  end

  desc "redirect emails to a real account"
  task :root_emails, :in => :remote do
    append "\nroot: [email protected]", "/etc/aliases"
    run "newaliases"
  end

  desc "mysql basic configuration"
  task :mysql => :yum, :in => :remote do
    run "yum install mysql-server mysql mysql-devel -y"
    run "chkconfig --level 2345 mysqld on"
    run "service mysqld restart"
    pwd = ask "Tell me the password for mysql"
    run "mysqladmin -u root -p password '#{pwd}'", :input => "\n"
    run "service mysqld restart"
    run "ln -fs /var/lib/mysql/mysql.sock /tmp/mysql.sock"
  end
...

task :mysql => :yum, :in => :remote do; ...; end

namespace :l do
  task :setup do
    name = File.basename(File.expand_path('.'))
    exit unless yes?('Do you want to setup "%s"?' % name)
    srv = nil

    until servers.map(&:name).include?(srv)
      srv = ask("Which server do you want to use (%s)" % servers.map(&:name).join(", ")).to_sym
    end

    if File.exist?('.git')
      exit unless yes?('Project "%s" has already a working repo, do you want remove it?' % name)
      run 'rm -rf .git'
    end

    run 'git init'
    run 'git remote add origin [email protected]:/%s.git' % name
    run_task('l:commit') if yes?("Are you ready to commit it, database, config etc is correct?")
  end

  task :commit do
    run 'git add .'
    run 'git commit -a'
    run 'git push origin master'
  end
end