Ohai6のプラグインをOhai7のSyntaxに書き直す ref: http://qiita.com/sawanoboly/items/ca225effa6d28912624d

joyent.rb

Ohai.plugin(:Joyent) do
  %w{ sm_uuid sm_id sm_image sm_image_id sm_image_ver sm_baseimage sm_baseimage_id sm_baseimage_ver sm_pkgsrc }.each do |info|
    provides "joyent/#{info}"
  end
  provides 'virtualization/guest_id'
  depends 'os', 'platform', 'virtualization'


  def collect_solaris_guestid
    command = '/usr/sbin/zoneadm list -p'
    so = shell_out(command)
    so.stdout.split(':').first
  end

  def collect_product_file
    lines = []
    if ::File.exists?("/etc/product")
      ::File.open("/etc/product") do |file|
        while line = file.gets
          lines << line
        end
      end
    end
    lines
  end

  def collect_pkgsrc
    if File.exist?('/opt/local/etc/pkg_install.conf')
      sm_pkgsrc = ::File.read("/opt/local/etc/pkg_install.conf").split("=")
      sm_pkgsrc[1].chomp
    else
      nil
    end
  end

  def is_smartos?
    platform == 'smartos'
  end

  collect_data do
    if is_smartos?
      joyent Mash.new

      # copy uuid
      joyent[:sm_uuid] = virtualization[:guest_uuid]

      # get zone id unless globalzone
      unless joyent[:sm_uuid] == "global"
        virtualization[:guest_id] = collect_solaris_guestid
        joyent[:sm_id] = virtualization[:guest_id]
      end

      # retrieve image name and pkgsrc
      collect_product_file.each do |line|
        case line
        when /^Image/
          sm_image = line.split(" ")
          joyent[:sm_image_id] = sm_image[1]
          joyent[:sm_image_ver] = sm_image[2]
        when /^Base Image/
          sm_baseimage = line.split(" ")
          joyent[:sm_baseimage_id] = sm_baseimage[2]
          joyent[:sm_baseimage_ver] = sm_baseimage[3]
        end
      end

      ## retrieve pkgsrc
      joyent[:sm_pkgsrc] = collect_pkgsrc if collect_pkgsrc
    end
  end
end

joyent_spec.rb

require 'spec_helper'


describe Ohai::System, "plugin joyent" do
  before(:each) do
    @plugin = get_plugin('joyent')
  end

  describe "without joyent" do
    before(:each) do
      @plugin.stub(:is_smartos?).and_return(false)
    end

    it "should NOT create joyent" do
      @plugin.run
      @plugin[:joyent].should be_nil
    end
  end

  describe "with joyent" do
    before(:each) do
      @plugin.stub(:is_smartos?).and_return(true)
      @plugin[:virtualization] = Mash.new
      @plugin[:virtualization][:guest_uuid] = "global"
    end

    it "should create joyent" do
      @plugin.run
      @plugin[:joyent].should_not be_nil
    end

    describe "under global zone" do
      before(:each) do
        @plugin.run
      end

      it "should ditect global zone" do
        @plugin[:joyent][:sm_uuid].should eql 'global'
      end

      it "should NOT create sm_id" do
        @plugin[:joyent][:sm_id].should be_nil
      end
    end

    describe "under smartmachine" do
      before(:each) do
        @plugin[:virtualization][:guest_uuid] = 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx'
        @plugin.stub(:collect_solaris_guestid).and_return('30')
        @plugin.stub(:collect_product_file).and_return(["Name: Joyent Instance", "Image: base64 13.4.2", "Documentation: http://wiki.joyent.com/jpc2/SmartMachine+Base"])
        @plugin.stub(:collect_pkgsrc).and_return('http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All')
        @plugin.run
      end

      it "should retrive zone uuid" do
        @plugin[:joyent][:sm_uuid].should eql 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx'
      end

      it "should collect sm_id" do
        @plugin[:joyent][:sm_id].should eql '30'
      end

      it "should collect images" do
        @plugin[:joyent][:sm_image].should_not nil
        @plugin[:joyent][:sm_image_id].should_not nil
        @plugin[:joyent][:sm_image_ver].should_not nil
      end

      it "should collect pkgsrc" do
        @plugin[:joyent][:sm_pkgsrc].should eql 'http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All'
      end
    end
  end
end

run_joyent_spec.output

Ohai::System plugin joyent
  without joyent
    should NOT create joyent
  with joyent
    should create joyent
    under global zone
      should ditect global zone
      should NOT create sm_id
    under smartmachine
      should retrive zone uuid
      should collect sm_id
      should collect images
      should collect pkgsrc

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8 examples, 0 failures