Class: GitPusshuTen::Commands::Passenger

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

Instance Attribute Summary collapse

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) ⇒ Passenger

Returns a new instance of Passenger.



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 15

def initialize(*objects)
  super
  
  @command = cli.arguments.shift
  
  help if command.nil? or e.name.nil?
end

Instance Attribute Details

#webserver ⇒ Object

Contains the webserver we’re working with Either NginX or Apache



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 13

def webserver
  @webserver
end

Instance Method Details

#apache? ⇒ Boolean

Returns true if we’re working with Apache

Returns:

  • (Boolean) 


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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 268

def apache?
  webserver == 'Apache'
end

#find_apache2_conf! ⇒ Object

Finds and sets the Apache2 Conf path



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 300

def find_apache2_conf!
  ##
  # Apache2 Conf path you get from Aptitude
  if e.file?('/etc/apache2/apache2.conf')
    @apache2_conf = '/etc/apache2/apache2.conf'
  end
end

#find_nginx_conf! ⇒ Object

Finds and sets the NginX Conf path



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 284

def find_nginx_conf!
  ##
  # NginX Conf path you get from Passenger
  if e.file?('/etc/nginx/conf/nginx.conf')
    @nginx_conf = '/etc/nginx/conf/nginx.conf'
  end
  
  ##
  # NginX Conf path you get from Aptitude
  if e.file?('/etc/nginx/nginx.conf')
    @nginx_conf = '/etc/nginx/nginx.conf'
  end
end

#nginx? ⇒ Boolean

Returns true if we’re working with NginX

Returns:

  • (Boolean) 


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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 262

def nginx?
  webserver == 'NginX'
end

#perform_install! ⇒ Object

Installs Phusion Passenger



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 32

def perform_install!
  
  if not e.installed?('gem')
    error "Could not find RubyGems."
    error "Install RVM (Ruby Version Manager) and at least one Ruby version."
    error "To do this, run: #{y("heavenly rvm install for #{e.name}")}."
    exit
  end
  
  ##
  # If no web server is specified, it'll prompt the user to
  # select one of the available (NginX or Apache)
  if webserver.nil?
    message "For which web server would you like to install #{y('Phusion Passenger')}?"
    @webserver = webserver?
  end
  
  message "Starting #{y('Phusion Passenger')} installation for #{y(webserver)}!"
          
  ##
  # Install the latest Passenger Gem
  Spinner.return :message => "Installing latest Phusion Passenger Gem.." do
    e.execute_as_root("gem install passenger --no-ri --no-rdoc")
    g("Done!")
  end
  
  ##
  # Install dependencies for Passenger
  Spinner.return :message => "Ensuring #{y('Phusion Passenger')} dependencies are installed.." do
    
    ##
    # Install dependencies for installing NginX
    if nginx?
      e.install!("libcurl4-openssl-dev")
    end
    
    ##
    # Install dependencies for installing Apache
    if apache?
      e.install!("libcurl4-openssl-dev apache2-mpm-prefork apache2-prefork-dev libapr1-dev libaprutil1-dev")
    end
    
    g("Done!")
  end
  
  if not @updating
    standard "Installing #{y('Phusion Passenger')} and #{y(webserver)}."
  else
    standard "Updating #{y('Phusion Passenger')} and #{y(webserver)}."
  end
  
  Spinner.return :message => "This may take a while.." do
    
    ##
    # Run the Passenger NginX installation module if we're working with NginX
    if nginx?
      e.execute_as_root("passenger-install-nginx-module --auto --auto-download --prefix=/etc/nginx")
    end
    
    ##
    # Run the Passenger Apache installation module if we're working with Apache
    if apache?
      e.execute_as_root("passenger-install-apache2-module --auto")
    end
    
    g("Done!")
  end
  
  ##
  # Configures NginX to setup a managable vhost environment like Apache2
  if nginx?
    GitPusshuTen::Initializer.new("nginx", "setup", "#{e.name}", "environment")
  end
  
  ##
  # Inject the Passenger paths into the Apache2 configuration file
  if apache?
    Spinner.return :message => "Configuring Apache for Phusion Passenger.." do
      if not e.execute_as_root('cat /etc/apache2/apache2.conf').include?("passenger_module")
        if e.execute_as_root('passenger-config --root') =~ /\/usr\/local\/rvm\/gems\/(.+)\/gems\/passenger-.+/
          @ruby_version      = $1.chomp.strip
          @passenger_version = e.execute_as_root('passenger-config --version').chomp.strip
        end
        
        e.execute_as_root <<-PASSENGER
cat <<-CONFIG >> /etc/apache2/apache2.conf

LoadModule passenger_module /usr/local/rvm/gems/#{@ruby_version}/gems/passenger-#{@passenger_version}/ext/apache2/mod_passenger.so
PassengerRoot /usr/local/rvm/gems/#{@ruby_version}/gems/passenger-#{@passenger_version}
PassengerRuby /usr/local/rvm/wrappers/#{@ruby_version}/ruby

CONFIG
        PASSENGER
      end
      g('Done!')
    end # spinner
  end
  
  if not @updating
    message "#{y('Phusion Passenger')} and #{y(webserver)} have been installed!"
  else
    message "#{y('Phusion Passenger')} and #{y(webserver)} have been updated!"
  end
  
  if nginx?
    message "NginX directory: #{y('/etc/nginx')}"
  end
  
  if apache?
    message "Apache directory: #{y('/etc/apache2')}"
    GitPusshuTen::Initializer.new('apache', 'create-vhost', 'for', "#{e.name}")
  end
end

#perform_restart! ⇒ Object

Restarts a Passenger instance for the specified environment



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 25

def perform_restart!
  message "Restarting Passenger for #{y(c.application)} (#{y(e.name)} environment)."
  e.execute_as_user("cd #{e.app_dir}; mkdir -p tmp; touch tmp/restart.txt")
end

#perform_update! ⇒ Object

Updates the Passenger Gem and NginX or Apache2 itself Compares the currently installed Passenger Gem with the latest (stable) version on RubyGems.org to see if anything newer than the current version is out. If there is, then it will continue to update NginX/Apache2 using Phussions’s NginX/Apache2 installation module.



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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 151

def perform_update!
  prompt_for_root_password!
  
  ##
  # If no web server is specified, it'll prompt the user to
  # select one of the available (NginX or Apache)
  if webserver.nil?
    @webserver = webserver?
  end
  
  ##
  # Check if RubyGems (RVM + Ruby) has been installed
  Spinner.return :message => "Checking if RubyGems is installed.." do
    @rubygems_installed = e.installed?('gem')
    if not @rubygems_installed
      r("Couldn't find RubyGems.")
    else
      g("Done!")
    end
  end
  
  if not @rubygems_installed
    error "Install RVM (Ruby Version Manager) and at least one Ruby version."
    error "To do this, run: #{y("heavenly rvm install for #{e.name}")}."
    exit
  end
  
  ##
  # Check if Phusion Passenger is installed
  Spinner.return :message => "Checking if Phusion Passenger is installed.." do
    @passenger_installed = e.installed?("passenger")
    if not @passenger_installed
      @ruby_version = e.execute_as_root("ruby -v").chomp
      r("Couldn't find Phusion Passenger")
    else
      g("Found!")
    end
  end
  
  if not @passenger_installed
    error "Passenger has not been installed for #{y(@ruby_version)}"
    error "If you want to install Passenger, please run the following command:"
    error y("heavenly passenger install for #{e.name}")
    exit
  end
  
  ##
  # Check if a newer version of Phusion Passenger Gem is available
  Spinner.return :message => "Checking if there's a newer (stable) Phusion Passenger available.." do
    @latest_passenger_version  = GitPusshuTen::Gem.new(:passenger).latest_version
    @current_passenger_version = e.execute_as_root("passenger-config --version").chomp.strip
    if @latest_passenger_version > @current_passenger_version
      @new_passenger_version_available = true
      y("There appears to be a newer version of Phusion Passenger available!")
    else
      g("Your Phusion Passenger is #{@current_passenger_version}. This is the latest version.")
    end
  end
  
  exit unless @new_passenger_version_available
  
  message "Phusion Passenger #{y(@latest_passenger_version)} is out!"
  message "You are currently using version #{y(@current_passenger_version)}.\n\n"
  message "Would you like to update Phusion Passenger?"
  message "This will update the #{y('Phusion Passenger Gem')} as well as #{y(webserver)} and #{y("Phusion Passenger's #{webserver} Module")}."
  
  ##
  # Prompt user for confirmation for the update
  if yes?
    
    ##
    # Search for NginX installation directory by finding the configuration file
    if nginx?
      find_nginx_conf!
      
      if not @nginx_conf
        error "Could not find the NginX configuration file in #{y('/etc/nginx')} or #{y('/etc/nginx/conf')}."
        exit 
      end
    end
    
    ##
    # Ensures the Apache2 configuration file exists
    if apache?
      find_apache2_conf!
      
      if not @apache2_conf
        error "Could not find the Apache2 configuration file in #{y('/etc/apache2')}."
        exit
      end
    end
    
    ##
    # Installation directory has been found
    message "#{y(webserver)} installation found in #{y(@nginx_conf || @apache2_conf)}."
    
    ##
    # Invoke the installation command to install NginX
    @updating = true
    perform_install!
    
    ##
    # Update the webserver configuration file
    message "The #{y(webserver)} configuration file needs to be updated with the new #{y('Passenger')} version."
    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

#webserver? ⇒ Boolean

Prompts the user to select a webserver

Returns:

  • (Boolean) 


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# File 'lib/gitpusshuten/modules/passenger/command.rb', line 274

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