Class: Macinbox::Actions::CreateImageFromInstaller

Inherits:
Object
  • Object
show all
Defined in:
lib/macinbox/actions/create_image_from_installer.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ CreateImageFromInstaller

Returns a new instance of CreateImageFromInstaller.

Raises:



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 16

def initialize(opts)
  @installer_app     = opts[:installer_path]  or raise ArgumentError.new(":installer_path not specified")
  @output_path       = opts[:image_path]      or raise ArgumentError.new(":image_path not specified")
  @vmware_fusion_app = opts[:vmware_path]
  @parallels_app     = opts[:parallels_path]
  @user_script       = opts[:user_script]

  @disk_size         = opts[:disk_size]       or raise ArgumentError.new(":disk_size not specified")
  @fstype            = opts[:fstype]          or raise ArgumentError.new(":fstype not specified")
  @short_name        = opts[:short_name]      or raise ArgumentError.new(":short_name not specified")
  @full_name         = opts[:full_name]       or raise ArgumentError.new(":full_name not specified")
  @password          = opts[:password]        or raise ArgumentError.new(":password not specified")

  @box_format        = opts[:box_format]
  @auto_login        = opts[:auto_login]
  @skip_mini_buddy   = opts[:skip_mini_buddy]
  @hidpi             = opts[:hidpi]

  @collector         = opts[:collector]       or raise ArgumentError.new(":collector not specified")

  raise Macinbox::Error.new("Installer app not found") unless File.exist? @installer_app

  raise ArgumentError.new(":vmware_path not specified") if @box_format == "vmware_desktop" && !opts[:vmware_path]
  raise ArgumentError.new(":parallels_path not specified") if @box_format == "parallels" && !opts[:parallels_path]
end

Instance Method Details

#automate_user_account_creation ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 138

def 
  Logger.info "Configuring the primary user account..." do
    scratch_installer_configuration_file = "#{@scratch_mountpoint}/private/var/db/.InstallerConfiguration"
    File.write scratch_installer_configuration_file, <<~EOF
      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
      <plist version="1.0">
      <dict>
        <key>Users</key>
        <array>
          <dict>
            <key>admin</key>
            <true/>
            <key>autologin</key>
            <#{@auto_login ? true : false}/>
            <key>fullName</key>
            <string>#{@full_name}</string>
            <key>shortName</key>
            <string>#{@short_name}</string>
            <key>password</key>
            <string>#{@password}</string>
            <key>skipMiniBuddy</key>
            <#{@skip_mini_buddy ? true : false}/>
          </dict>
        </array>
      </dict>
      </plist>
    EOF
  end
end

#automate_vagrant_group_creation ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 169

def automate_vagrant_group_creation
  if @short_name == "vagrant"
    Logger.info "Configuring the 'vagrant' group..." do
      contents = <<~EOF
        until dscl . -read /Users/vagrant UniqueID; do
          sleep 1
        done
        dscl . -create /Groups/vagrant
        dscl . -create /Groups/vagrant gid 501
        dscl . -create /Groups/vagrant GroupMembers `dscl . -read /Users/vagrant GeneratedUID | cut -d ' ' -f 2`
        dscl . -create /Groups/vagrant GroupMembership vagrant
      EOF
      File.write @scratch_rc_vagrant, contents, mode: 'a'
    end
  end
end

#automate_vagrant_ssh_key_installation ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 186

def automate_vagrant_ssh_key_installation
  if @short_name == "vagrant"
    Logger.info "Installing the default insecure vagrant ssh key..." do
      contents = <<~EOF
        while [ ! -e /Users/vagrant ]; do
          sleep 1
        done
        while [ `stat -f %u /Users/vagrant` == 0 ]; do
          sleep 1
        done
        if [ ! -e /Users/vagrant/.ssh ]; then
          mkdir /Users/vagrant/.ssh
          chmod 0700 /Users/vagrant/.ssh
          chown `stat -f %u /Users/vagrant` /Users/vagrant/.ssh
        fi
        echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" >> /Users/vagrant/.ssh/authorized_keys
        chmod 0600 /Users/vagrant/.ssh/authorized_keys
        chown `stat -f %u /Users/vagrant` /Users/vagrant/.ssh/authorized_keys
      EOF
      File.write @scratch_rc_vagrant, contents, mode: 'a'
    end
  end
end

#create_rc_vagrant ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 110

def create_rc_vagrant
  first_boot_launch_daemon = "#{@scratch_mountpoint}/Library/LaunchDaemons/rc.vagrant.plist"
  File.write first_boot_launch_daemon, <<~EOF
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
    <dict>
      <key>Label</key>
      <string>rc.vagrant</string>
      <key>ProgramArguments</key>
      <array>
        <string>/etc/rc.vagrant</string>
      </array>
      <key>RunAtLoad</key>
      <true/>
    </dict>
    </plist>
  EOF
  FileUtils.chmod 0755, first_boot_launch_daemon
  @scratch_rc_vagrant = "#{@scratch_mountpoint}/private/etc/rc.vagrant"
  File.write @scratch_rc_vagrant, <<~EOF
    #!/bin/sh
    rm -r /Library/LaunchDaemons/rc.vagrant.plist
    rm -f /etc/rc.vagrant
  EOF
  FileUtils.chmod 0755, @scratch_rc_vagrant
end

#create_scratch_image ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 83

def create_scratch_image
  Logger.info "Creating and attaching a new blank disk image..." do
    @scratch_image = "#{@temp_dir}/scratch.sparseimage"
    @scratch_disk = VirtualDisk.new(@scratch_image)
    @collector.on_cleanup { @scratch_disk.detach! }
    @scratch_mountpoint = "#{@temp_dir}/scratch_mountpoint"
    FileUtils.mkdir @scratch_mountpoint
    @scratch_disk.create(@disk_size, @fstype)
    @scratch_disk.attach
    @scratch_disk.mount(at: @scratch_mountpoint, owners: true)
  end
end

#create_temp_dir ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 60

def create_temp_dir
  @temp_dir = Task.backtick %W[ /usr/bin/mktemp -d -t create_image_from_installer ]
  @collector.add_temp_dir @temp_dir
end

#create_wrapper_image ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 71

def create_wrapper_image
  Logger.info "Creating and attaching wrapper disk image..." do
    @wrapper_image = "#{@temp_dir}/wrapper.dmg"
    @wrapper_disk = VirtualDisk.new(@wrapper_image)
    @collector.on_cleanup { @wrapper_disk.detach! }
    @wrapper_disk.create_from_folder(@installer_app)
    @wrapper_disk.attach
    @wrapper_disk.mount
    @installer_app = "#{@wrapper_disk.mountpoint}/#{File.basename @installer_app}"
  end
end

#enable_hidpi ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 228

def enable_hidpi
  if @hidpi
    Logger.info "Enabling HiDPI resolutions..." do
      scratch_windowserver_preferences = "#{@scratch_mountpoint}/Library/Preferences/com.apple.windowserver.plist"
      File.write scratch_windowserver_preferences, <<~EOF
        <?xml version="1.0" encoding="UTF-8"?>
        <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
        <plist version="1.0">
        <dict>
          <key>DisplayResolutionEnabled</key>
          <true/>
        </dict>
        </plist>
      EOF
    end
  end
end

#enable_passwordless_sudo ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 210

def enable_passwordless_sudo
  Logger.info "Enabling password-less sudo..." do
    scratch_sudoers_d_user_rule_file = "#{@scratch_mountpoint}/private/etc/sudoers.d/#{@short_name}"
    File.write scratch_sudoers_d_user_rule_file, <<~EOF
      #{@short_name} ALL=(ALL) NOPASSWD: ALL
    EOF
    FileUtils.chmod 0440, scratch_sudoers_d_user_rule_file
  end
end

#enable_sshd ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 220

def enable_sshd
  Logger.info "Enabling sshd..." do
    scratch_launchd_disabled_plist = "#{@scratch_mountpoint}/private/var/db/com.apple.xpc.launchd/disabled.plist"
    opts = $verbose ? {} : { :out => File::NULL }
    Task.run %W[ /usr/libexec/PlistBuddy -c #{'Add :com.openssh.sshd bool False'} #{scratch_launchd_disabled_plist} ] + [opts]
  end
end

#install_macos ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 96

def install_macos
  Logger.info "Installing macOS..." do
    activity = Logger.prefix + "installer"
    install_info_plist = "#{@installer_app}/Contents/SharedSupport/InstallInfo.plist"
    Task.run %W[ /usr/bin/touch #{@scratch_mountpoint}/.macinbox ]
    cmd = %W[ /usr/sbin/installer -verboseR -dumplog -pkg #{install_info_plist} -target #{@scratch_mountpoint} ]
    opts = $verbose ? {} : { :err => [:child, :out] }
    Task.run_with_progress activity, cmd, opts do |line|
      /^installer:%(.*)$/.match(line)[1].to_f rescue nil
    end
    @wrapper_disk.detach! if @wrapper_disk
  end
end

#installer_is_on_root_filesystem ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 65

def installer_is_on_root_filesystem
  root_device = Task.backtick %W[ /usr/bin/stat -f %d / ]
  installer_device = Task.backtick %W[ /usr/bin/stat -f %d #{@installer_app} ]
  root_device == installer_device
end

#run ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 42

def run
  create_temp_dir
  if installer_is_on_root_filesystem
    create_wrapper_image
  end
  create_scratch_image
  install_macos
  create_rc_vagrant
  
  automate_vagrant_group_creation
  automate_vagrant_ssh_key_installation
  enable_passwordless_sudo
  enable_sshd
  enable_hidpi
  run_user_script
  save_image
end

#run_user_script ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 246

def run_user_script
  if @user_script
    Logger.info "Running user script..." do
      Task.run %W[ #{@user_script} #{@scratch_mountpoint} ]
    end
  end
end

#save_image ⇒ Object 



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# File 'lib/macinbox/actions/create_image_from_installer.rb', line 254

def save_image
  Logger.info "Saving the image..." do
    @scratch_disk.eject
    FileUtils.chown ENV["SUDO_USER"], nil, @scratch_image
    FileUtils.mv @scratch_image, @output_path
  end
end