Class: GitPusshuTen::Commands::Rvm

Inherits:
Base
  • Object
show all
Defined in:
lib/gitpusshuten/modules/rvm/command.rb

Instance Attribute Summary

Attributes inherited from Base

#cli, #command, #configuration, #environment, #hooks, #perform_hooks

Instance Method Summary collapse

Methods inherited from Base

#c, #command_object, description, #e, #error, example, #g, #git, #help, #local, long_description, #message, #perform!, #perform_hooks!, #post_perform!, #pre_perform!, #prompt_for_root_password!, #prompt_for_user_password!, #r, #requires_user_existence!, #silent, #standard, usage, #validate!, #warning, #y, #yes?

Constructor Details

#initialize(*objects) ⇒ Rvm

Returns a new instance of Rvm.



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 17

def initialize(*objects)
  super

  @command = cli.arguments.shift

  help if command.nil? or e.name.nil?
end

Instance Method Details

#ask_to_use_default_ruby_with_passenger!(ruby_version) ⇒ Object

Asks the user if he intends to make the newly set default ruby version as the ruby version for the passenger driven ruby applications



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 259

def ask_to_use_default_ruby_with_passenger!(ruby_version)
  message("If you want to use #{y(ruby_version)} for your Ruby applications with Phusion Passenger")
  message("you must update your #{y("webserver's")} configuration file.\n\n")
  message("Would you like to do this now?\n\n")

  if yes?
    message "Which webserver are you using?"
    webserver = webserver?

    message "Invoking #{y("heavenly #{webserver.downcase} update-configuration for #{e.name}")} for you..\n\n\n"
    GitPusshuTen::Initializer.new(webserver.downcase, 'update-configuration', 'for', "#{e.name}")
  end
end

#choose_ruby_version! ⇒ Object

Prompts the user to choose a Ruby to install



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 222

def choose_ruby_version!
  choose do |menu|
    menu.prompt = ''

    %w[ruby-1.8.6 ruby-1.8.7 ruby-1.9.1 ruby-1.9.2].each do |mri|
      menu.choice(mri)
    end

    %w[ree-1.8.6 ree-1.8.7].each do |ree|
      menu.choice(ree)
    end
  end
end

#perform_install! ⇒ Object

Installs RVM (Ruby Version Manager)



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 27

def perform_install!
  prompt_for_root_password!

  message "Which Ruby would you like to install and use as your default Ruby Interpreter?"
  ruby_version = choose_ruby_version!
  message "Going to install #{y(ruby_version)} after the #{y('RVM')} installation finishes."

  ##
  # Update aptitude package list and install git/curl/wget
  Spinner.return :message => "Updating package list and installing #{y('RVM')} requirements.." do
    e.install!("git-core curl wget;")
    g("Done!")
  end

  ##
  # Download Packages
  Spinner.return :message => "Downloading Git Pusshu Ten #{y('packages')}.." do
    e.download_packages!("$HOME", :root)
    g("Done!")
  end

  ##
  # Install RVM (system wide)
  Spinner.return :message => "Installing #{y('RVM')}.." do
    e.execute_as_root("cd $HOME; wget -O rvm-install-system-wide --no-check-certificate http://bit.ly/rvm-install-system-wide; bash rvm-install-system-wide; rm rvm-install-system-wide;")
    g("Done!")
  end

  ##
  # Download Git Packages and add the rvm load snippet into /etc/profile.
  if not e.execute_as_root("cat /etc/profile").include?('source "/usr/local/rvm/scripts/rvm"')
    Spinner.return :message => "Configuring #{y('/etc/profile')}.." do
      e.execute_as_root("cd $HOME; cat gitpusshuten-packages/modules/rvm/profile >> /etc/profile")
      g("Done!")
    end
  end

  ##
  # Add the gemrc into the root's home directory
  if not e.file?('/root/.gemrc')
    Spinner.return :message => "Configuring #{y('.gemrc')} file.." do
      e.execute_as_root("cd $HOME; cat gitpusshuten-packages/modules/rvm/gemrc > ~/.gemrc")
      g("Done!")
    end
  end

  ##
  # Create a .bashrc in $HOME to load /etc/profile for non-interactive sessions
  if not e.execute_as_root("cat $HOME/.bashrc").include?('source /etc/profile')
    Spinner.return :message => "Configuring #{y('.bashrc')}.." do
      e.execute_as_root("echo 'source /etc/profile' > $HOME/.bashrc; source $HOME/.bashrc")
      g("Done!")
    end
  end

  ##
  # Install required packages for installing Ruby
  Spinner.return :message => "Installing the Ruby Interpreter #{y('dependency packages')}.." do
    e.install!("build-essential bison openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf")
    g("Done!")
  end

  ##
  # Install a Ruby version
  Spinner.return :message => "Installing #{y(ruby_version)} with #{y('rvm')}. This may take a while.." do
    e.execute_as_root("rvm install #{ruby_version}")
    g("Done!")
  end

  ##
  # Set the Ruby version as the default Ruby
  Spinner.return :message => "Making #{y(ruby_version)} the default Ruby.." do
    e.execute_as_root("rvm use #{ruby_version} --default")
    g("Done!")
  end

  ##
  # Clean up Packages
  Spinner.return :message => "Cleaning up Git Pusshu Ten #{y('packages')}.." do
    e.clean_up_packages!("$HOME", :root)
    g("Done!")
  end

  message "Finished!"
end

#perform_install_ruby! ⇒ Object

Installs a Ruby version with RVM



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 140

def perform_install_ruby!
  perform_list! # prompts root

  message "Which Ruby version would you like to install?"
  ruby_version = choose_ruby_version!

  message "Would you like to make #{y(ruby_version)} your default Ruby?"
  yes? ? make_default = true : make_default = false

  Spinner.return :message => "Installing #{y(ruby_version)}, this may take a while.." do
    e.execute_as_root("rvm install #{ruby_version}")
    g("Done!")
  end

  if make_default
    Spinner.return :message => "Setting #{y(ruby_version)} as the system wide default Ruby." do
      e.execute_as_root("rvm use #{ruby_version} --default")
      g("Done!")
    end

    ask_to_use_default_ruby_with_passenger!(ruby_version)
  end
end

#perform_list! ⇒ Object

Displays a list of installed gems



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 129

def perform_list!
  prompt_for_root_password!

  Spinner.return :message => "Getting a list of installed Rubies.", :put => true do
    e.execute_as_root("rvm list")
  end
  message "The ( #{y("=>")} ) arrow indicates which Ruby version is currently being used."
end

#perform_remove_ruby! ⇒ Object

Remove a Ruby version



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 183

def perform_remove_ruby!
  perform_list! # prompts root

  message "Which Ruby version would you like to remove?"
  ruby_version = choose_ruby_version!

  Spinner.return :message => "Removing #{y(ruby_version)}.." do
    if not e.execute_as_root("rvm remove #{ruby_version}") =~ /is already non existent/
      g("Ruby version #{ruby_version} has been removed.")
    else
      r("Ruby version #{ruby_version} is already non existent.")
    end
  end
end

#perform_set_default_ruby! ⇒ Object

Change the default Ruby on the server



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 200

def perform_set_default_ruby!
  perform_list! # prompts root

  message "Which Ruby version would you like to make the system wide default?"
  ruby_version = choose_ruby_version!

  Spinner.return :message => "Changing system wide default Ruby to #{y(ruby_version)}" do
    if not e.execute_as_root("rvm use #{ruby_version} --default") =~ /not installed/
      @succeeded = true
      g("Ruby version #{ruby_version} is now set as the system wide default.")
    else
      r("Could not set #{ruby_version} as default")
    end
  end

  if @succeeded
    ask_to_use_default_ruby_with_passenger!(ruby_version)
  end
end

#perform_uninstall_ruby! ⇒ Object

Uninstalls a Ruby version



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 166

def perform_uninstall_ruby!
  perform_list! # prompts root

  message "Which Ruby version would you like to uninstall?"
  ruby_version = choose_ruby_version!

  Spinner.return :message => "Uninstalling #{y(ruby_version)}.." do
    if not e.execute_as_root("rvm uninstall #{ruby_version}") =~ /has already been removed/
      g("Ruby version #{ruby_version} has been uninstalled.")
    else
      r("Ruby version #{ruby_version} has already been removed.")
    end
  end
end

#perform_update! ⇒ Object

Performs an update for RVM



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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 115

def perform_update!
  prompt_for_root_password!

  message "Updating RVM."
  message "Would you like to get the latest stable, or bleeding edge version?"
  option = rvm_version?
  Spinner.return :message => "Updating #{y('rvm')} to the #{y(option.nil? ? 'latest stable' : 'bleeding edge')}." do
    e.execute_as_root("rvm update #{option}")
    g("Done!")
  end
end

#rvm_version? ⇒ Boolean

Prompts the user to choose a RVM version to install

Returns:

  • (Boolean) 


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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 238

def rvm_version?
  choose do |menu|
    menu.prompt = ''
    menu.choice('latest stable') { nil      }
    menu.choice('bleeding edge') { '--head' }
  end
end

#webserver? ⇒ Boolean

Prompts the user to select a webserver

Returns:

  • (Boolean) 


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# File 'lib/gitpusshuten/modules/rvm/command.rb', line 248

def webserver?
  choose do |menu|
    menu.prompt = ''
    menu.choice('NginX')
    menu.choice('Apache')
  end
end