Class: VagrantPlugins::PackerBuild::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-packer-plugin/command.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args, env) ⇒ Command

Returns a new instance of Command.



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# File 'lib/vagrant-packer-plugin/command.rb', line 15

def initialize(args, env)
  @params = VagrantPlugins::PackerBuild::Config.new
  if env.vagrantfile.config.packer_build.is_a?(VagrantPlugins::PackerBuild::Config)
    @params = env.vagrantfile.config.packer_build
  end
end

Class Method Details

.synopsis ⇒ Object 



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# File 'lib/vagrant-packer-plugin/command.rb', line 22

def self.synopsis
  'Build immutable images using Packer'
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/vagrant-packer-plugin/command.rb', line 26

def execute
    OptionParser.new do |opts|
        opts.banner = "Usage: vagrant packer-build "\
                      "[-b|--box-url] "\
                      "[-n|--box-name] "\
                      "[-c|--cookbooks-url] "\
                      "[-d|--databags-url] "\
                      "[-k|--ks-template] "\
                      "[-B|--berksfile] "\
                      "[-i|--instance-templates] "\
                      "[-D|--packer-debug] "\
                      "[-w|--why-run] "

        opts.separator ""

        opts.on("-b", "--box-url [URL]", String, "Url of the template box for the virtual machine") do |box_url|
          @params.box_url = box_url
        end

        opts.on("-n", "--box-name [NAME]", String, "Name of the stack virtual machines") do |box_name|
          @params.box_name = box_name
        end

        opts.on("-c", "--cookbooks-url [URL]", String, "URL resolving Berkshelf (Cookbook repo) tar.gz archive") do |cookbooks_url|
          @params.cookbooks_url = cookbooks_url
        end

        opts.on("-d", "--databags-url [URL]", String, "URL resolving Chef databags tar.gz archive") do |databags_url|
          @params.databags_url = databags_url
        end

        opts.on("-k", "--ks-template [PATH]", String, "URL resolving the ks template for the machine (only used by Vagrant Box Image building)") do |ks_template|
          @params.ks_template = ks_template
        end

        opts.on("-B", "--berksfile [PATH]", String, "path resolving the Berksfile)") do |berksfile|
          @params.berksfile = berksfile
        end

        opts.on("-i", "--instance-templates [PATH1],[PATH2]", String, "URL resolving the instance templates") do |instance_templates|
          @params.instance_templates = instance_templates
        end

        opts.on("-D", "--packer-debug", "true, to run packer in debug mode; default is false") do |debug|
            @params.debug = debug
        end

        opts.on("-w", "--why-run", "Why run mode will just test configuration but will not run or build anything") do |why_run|
          @params.why_run = why_run
        end
    end.parse!

    @params.finalize!

    # this code will be run only if the command wasn't asking for helpls
    @engine = VagrantPlugins::PackerBuild::Commons::Engine.new
    @engine.create_work_dir(@params.work_dir)

    if @params.ks_template
      Downloader.get(@params.ks_template, "#{@params.work_dir}/ks.cfg" )
    end

    # Invoke Berkshelf, if Berksfile is configured
    if @params.berksfile
      @engine.invoke_berkshelf(@params.work_dir, "cookbooks")
    end

    # Download Chef cookbooks via URL or path
    if @params.cookbooks_url
      @engine.get_artifact(@params.work_dir, @params.cookbooks_url, "cookbooks")
    end

    # Download Chef databags via URL or path
    if @params.databags_url
      @engine.get_artifact(@params.work_dir, @params.databags_url, "databags", @params)
    end

    # TODO - why saving attributes in single files if we have the instance-template nodes that have it all?
    # if @params.berksfile || @params.cookbooks_url
    #   chef_items = @engine.get_chef_items(nodes, @params.work_dir, @params.cookbooks_url, @params.databags_url)
    # end

    if !@params.why_run
      nodes = @engine.get_instance_templates(@params.work_dir, @params.instance_templates)
      PackerBuildImages.new(@params, @engine, nodes).execute!
    else
      abort("Why run mode selected - not continuing")
    end
end

#validate ⇒ Object 



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# File 'lib/vagrant-packer-plugin/command.rb', line 116

def validate
  errors = ""
  if @params.instance_templates.nil? or @params.instance_templates.empty?
    errors << "You must provide at least one instance template"
  end
  errors
end