Class: Orders::UpgradeWorker

Inherits:
Object
  • Object
show all
Includes:
DurableOrderExecution, Sidekiq::Worker
Defined in:
app/workers/orders/upgrade_worker.rb

Instance Method Summary collapse

Methods included from DurableOrderExecution

#safely_execute_order

Instance Method Details

#files! ⇒ Object 



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# File 'app/workers/orders/upgrade_worker.rb', line 34

def files!
  FileUtils.mkdir_p @releases_pathname

  nearest_less_release = Dir.glob(@releases_pathname.join('*.*')).select do |v|
    Gem::Version.new(File.basename(v)) < @build_version
  end.max

  if !File.directory?(@build_pathname)
    if nearest_less_release.blank?
      FileUtils.mkdir_p @build_pathname
    else
      FileUtils.cp_r nearest_less_release, @build_pathname
    end
  end

  remotes = JSON.parse(RestClient.get "#{Terminal.config.host}/terminal_builds/#{@build_id}/hashes")
  locals  = Dir[File.join(@build_pathname, '**/**')].select{|x| File.file?(x)}.map{|x|
    Pathname.new(x).relative_path_from(@build_pathname).to_s
  }

  download = {}
  remove   = []

  remotes.each do |remote, data|
    local = @build_pathname.join(remote)

    if !File.file?(local) || Digest::MD5.file(local).hexdigest != data[0]
      download[remote] = data[1]
    end
  end

  locals.each do |local, hash|
    remove << local if remotes[local].blank?
  end

  {:download => download, :remove => remove}
end

#perform(order_id) ⇒ Object 



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# File 'app/workers/orders/upgrade_worker.rb', line 13

def perform(order_id)
  order = Order.find(order_id)

  @order_id      = order_id
  @build_version = Gem::Version.new order.args[1]
  @build_id      = order.args[0]
  @base_url      = URI.parse(order.args[3]).scheme.nil? ? "#{Terminal.config.host}#{order.args[3]}"
                                                        : order.args[3]
  @gems_url      = URI.parse(order.args[4])

  @releases_pathname = Smartguard::Client.releases_path
  @build_pathname    = @releases_pathname.join @build_version.to_s

  self.sync!
  self.rewrite_sources!

  safely_execute_order(order_id) do
    Smartguard::Client.switch_release @build_version.to_s.to_sym
  end
end

#rewrite_sources! ⇒ Object 



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# File 'app/workers/orders/upgrade_worker.rb', line 110

def rewrite_sources!
  gemfilename = File.join(@build_pathname, "Gemfile")
  lockfilename = File.join(@build_pathname, "Gemfile.lock")

  gemfile = Bundler::Definition.build gemfilename,
                                      lockfilename, {}

  filtered = gemfile.sources.reject { |s| s.kind_of? Bundler::Source::Rubygems }
  filtered.unshift(Bundler::Source::Rubygems.new("remotes" => [ @gems_url ]))

  gemfile.instance_variable_set :@sources, filtered

  File.open(gemfilename, "w") do |io|
    io.puts "source #{@gems_url.to_s.inspect}"

    groups = Hash.new { |hash, key| hash[key] = [] }

    gemfile.dependencies.each do |gem|
      gem.groups.each { |group| groups[group] << gem }
    end

    groups.each do |group, gems|
      io.puts "group #{group.inspect} do"

      gems.each do |gem|
        io.print "  gem #{gem.name.inspect}, #{gem.requirement.inspect.inspect}"

        if gem.platforms.any?
          io.print ", :platforms => #{gem.platforms.inspect}"
        end

        case gem.source
        when Bundler::Source::Git
          io.print ", :git => #{gem.source.uri.inspect}"

          unless gem.source.branch.nil?
            io.print ", :branch => #{gem.source.branch.inspect}"
          end

          unless gem.source.ref.nil?
            io.print ", :ref => #{gem.source.ref.inspect}"
          end

          if gem.source.submodules
            io.print ", :submodules => true"
          end
        end

        io.puts
      end

      io.puts "end"
    end
  end

  File.open(lockfilename, "w") { |io| io.write gemfile.to_lock }
end

#sync! ⇒ Object 



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# File 'app/workers/orders/upgrade_worker.rb', line 72

def sync!
  diff = files!

  total_transfer_size = diff[:download].values.inject(0){|sum,x|(sum+=x) unless x.nil?; sum }.to_f

  diff[:download].each do |key,  value|
    uri  = URI.parse(URI.encode("#{@base_url}/#{key}"))
    path = @build_pathname.join key
    FileUtils.mkdir_p File.dirname(path)

    File.open(path, "wb") do |f|
      Net::HTTP.start(uri.host, uri.port) do |http|
        http.request_get(uri.path) do |resp|
          resp.read_body do |segment|
            f.write(segment)
          end
        end
      end
    end

    diff[:download][key] = 0

    delta_transfer_size = diff[:download].values.inject(0){|sum,x| (sum+=x) unless x.nil?; sum}.to_f

    current_percentage = (100.0 - (delta_transfer_size / total_transfer_size * 100.0)).round(2)
    if  current_percentage > (@percentage ||= 0) + 5 || current_percentage == 100
      @percentage = current_percentage
      AcknowledgeWorker.perform_async(@order_id, nil, @percentage)
    end

  end

  diff[:remove].each do |file|
    fullpath = @build_pathname.join file
    File.delete(fullpath) if File.exist?(fullpath)
  end
end