Class: Chef::Knife::CookbookSiteVendor

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/cookbook_site_vendor.rb

Constant Summary

Constants inherited from Chef::Knife

DEFAULT_SUBCOMMAND_FILES

Instance Attribute Summary

Attributes inherited from Chef::Knife

#name_args

Instance Method Summary collapse

Methods inherited from Chef::Knife

#ask_question, #bulk_delete, category, #configure_chef, #confirm, #create_object, #delete_object, #edit_data, #edit_object, #file_exists_and_is_readable?, #format_for_display, #format_list_for_display, guess_category, inherited, #initialize, list_commands, load_commands, #load_from_file, #msg, msg, #output, #parse_options, #pretty_print, #rest, run, #show_usage, snake_case_name, #stdin, #stdout, subcommand_category, subcommand_class_from, subcommands, subcommands_by_category, unnamed?

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Knife

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/cookbook_site_vendor.rb', line 41

def run
  if config[:cookbook_path]
    Chef::Config[:cookbook_path] = config[:cookbook_path]
  else
    config[:cookbook_path] = Chef::Config[:cookbook_path]
  end

  # Check to ensure we have a valid source of cookbooks before continuing
  unless File.directory?(config[:cookbook_path].first)
    Chef::Log.error( File.join(config[:cookbook_path].first, " doesn't exist!.  Make sure you have cookbook_path configured correctly"))
    exit 1
  end

  vendor_path = File.expand_path(File.join(config[:cookbook_path].first))
  cookbook_path = File.join(vendor_path, name_args[0])
  upstream_file = File.join(vendor_path, "#{name_args[0]}.tar.gz")
  branch_name = "chef-vendor-#{name_args[0]}"

  download = Chef::Knife::CookbookSiteDownload.new
  download.config[:file] = upstream_file 
  download.name_args = name_args
  download.run

  Chef::Log.info("Checking out the master branch.")
  Chef::Mixin::Command.run_command(:command => "git checkout master", :cwd => vendor_path) 
  Chef::Log.info("Checking the status of the vendor branch.")
  status, branch_output, branch_error = Chef::Mixin::Command.output_of_command("git branch --no-color | grep #{branch_name}", :cwd => vendor_path) 
  if branch_output =~ /#{Regexp.escape(branch_name)}$/m
    Chef::Log.info("Vendor branch found.")
    Chef::Mixin::Command.run_command(:command => "git checkout #{branch_name}", :cwd => vendor_path)
  else
    Chef::Log.info("Creating vendor branch.")
    Chef::Mixin::Command.run_command(:command => "git checkout -b #{branch_name}", :cwd => vendor_path)
  end
  Chef::Log.info("Removing pre-existing version.")
  Chef::Mixin::Command.run_command(:command => "rm -r #{cookbook_path}", :cwd => vendor_path) if File.directory?(cookbook_path)
  Chef::Log.info("Uncompressing #{name_args[0]} version #{download.version}.")
  Chef::Mixin::Command.run_command(:command => "tar zxvf #{upstream_file}", :cwd => vendor_path)
  Chef::Mixin::Command.run_command(:command => "rm #{upstream_file}", :cwd => vendor_path)
  Chef::Log.info("Adding changes.")
  Chef::Mixin::Command.run_command(:command => "git add #{name_args[0]}", :cwd => vendor_path)

  Chef::Log.info("Committing changes.")
  changes = true
  begin
    Chef::Mixin::Command.run_command(:command => "git commit -a -m 'Import #{name_args[0]} version #{download.version}'", :cwd => vendor_path)
  rescue Chef::Exceptions::Exec => e
    Chef::Log.warn("Checking out the master branch.")
    Chef::Log.warn("No changes from current vendor #{name_args[0]}")
    Chef::Mixin::Command.run_command(:command => "git checkout master", :cwd => vendor_path) 
    changes = false
  end

  if changes
    Chef::Log.info("Creating tag chef-vendor-#{name_args[0]}-#{download.version}.")
    Chef::Mixin::Command.run_command(:command => "git tag -f chef-vendor-#{name_args[0]}-#{download.version}", :cwd => vendor_path)
    Chef::Log.info("Checking out the master branch.")
    Chef::Mixin::Command.run_command(:command => "git checkout master", :cwd => vendor_path)
    Chef::Log.info("Merging changes from #{name_args[0]} version #{download.version}.")

    Dir.chdir(vendor_path) do
      if system("git merge #{branch_name}")
        Chef::Log.info("Cookbook #{name_args[0]} version #{download.version} successfully vendored!")
      else
        Chef::Log.error("You have merge conflicts - please resolve manually!")
        Chef::Log.error("(Hint: cd #{vendor_path}; git status)") 
        exit 1
      end
    end
  end

  if config[:deps]
    md = Chef::Cookbook::Metadata.new
    md.from_file(File.join(cookbook_path, "metadata.rb"))
    md.dependencies.each do |cookbook, version_list|
      # Doesn't do versions.. yet
      nv = Chef::Knife::CookbookSiteVendor.new
      nv.config = config
      nv.name_args = [ cookbook ]
      nv.run
    end
  end
end