Class: Knife::CookbookSync

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/cookbook_sync.rb

Instance Method Summary collapse

Instance Method Details

#distill_manifest(cookbook) ⇒ Object 



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# File 'lib/chef/knife/cookbook_sync.rb', line 50

def distill_manifest(cookbook)
  files = { }
  cookbook.manifest.values.select { |x| x.kind_of?(Array) }.flatten.each { |f| files[f['path']] = f['checksum'] }
  # don't check metadata.json since json output is indeterministic, metadata.rb should be all that's needed anw
  files.delete('metadata.json')
  return files
end

#force_make_noise(&block) ⇒ Object 



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# File 'lib/chef/knife/cookbook_sync.rb', line 46

def force_make_noise(&block)
  @print_mutex.synchronize(&block) if block
end

#make_noise(&block) ⇒ Object 



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# File 'lib/chef/knife/cookbook_sync.rb', line 42

def make_noise(&block)
  force_make_noise(&block) if block and !config[:quiet]
end

#run ⇒ Object 



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# File 'lib/chef/knife/cookbook_sync.rb', line 125

def run
  Thread.abort_on_exception = true

  @print_mutex = Mutex.new

  Chef::Config[:cookbook_path] = config[:cookbook_path] if config[:cookbook_path]

  Chef::Cookbook::FileVendor.on_create { |manifest| Chef::Cookbook::FileSystemFileVendor.new(manifest) }

  cl = Chef::CookbookLoader.new(Chef::Config[:cookbook_path])

  if config[:all]
    sync_cookbooks cl.cookbooks.map(&:name), cl
  else
    sync_cookbooks name_args, cl
  end
end

#sync_cookbooks(cookbooks, cl) ⇒ Object 



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# File 'lib/chef/knife/cookbook_sync.rb', line 58

def sync_cookbooks(cookbooks, cl)
  log_level = Chef::Log.level

  # mutes the CookbookVersion noise when the cookbook doesn't exist on the server.
  Chef::Log.level = :fatal

  to_upload = Queue.new

  cookbooks.map(&:to_s).each do |cookbook|
    Thread.new do
      upload = false

      make_noise do
        ui.msg "Checking cookbook '#{cookbook}' for sync necessity"
      end

      remote_cookbook = Chef::CookbookVersion.available_versions(cookbook) &&
        (Chef::CookbookVersion.load(cookbook.to_s) rescue nil)
      local_cookbook = cl[cookbook.to_s] rescue nil

      unless local_cookbook
        make_noise do
          ui.fatal "Cookbook '#{cookbook}' does not exist locally."
        end
        exit 1
      end

      if local_cookbook and !remote_cookbook
        upload = true
      else
        remote_files = distill_manifest(remote_cookbook) rescue { }
        local_files  = distill_manifest(local_cookbook) rescue { }

        if local_files.keys.length != remote_files.keys.length
          upload = true
        else
          (local_files.keys + remote_files.keys).uniq.each do |filename|
            if local_files[filename] != remote_files[filename]
              upload = true
              break
            end
          end
        end
      end

      if upload
        make_noise do
          ui.msg "sync necessary; uploading '#{cookbook}'"
        end

        to_upload << cl[cookbook]
      end
    end
  end

  Thread.list.reject { |x| x == Thread.current }.each(&:join) # wait for threads to settle

  cookbooks_to_upload = []
  loop { cookbooks_to_upload << to_upload.shift(true) } rescue nil

  Chef::Log.level = log_level # restore log level now that we're done checking
  Chef::CookbookUploader.new(cookbooks_to_upload, Chef::Config[:cookbook_path]).upload_cookbooks

  # exit with an exit status of 5 if we've uploaded anything.
  exit cookbooks_to_upload.empty? ? 0 : 5
end