Module: Dapp::Dapp::Ruby2Go

Included in:
Dapp::Dapp
Defined in:
lib/dapp/dapp/ruby2go.rb

Instance Method Summary collapse

Instance Method Details

#_download_ruby2go_bin(progname, bin_path) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 77

def _download_ruby2go_bin(progname, bin_path)
  lock("downloader.bin.#{progname}", default_timeout: 1800) do
    return if File.exists? bin_path

    log_process("Downloading #{progname} dapp dependency") do
      location = URI("https://dl.bintray.com/flant/dapp/#{::Dapp::VERSION}/#{progname}")

      tmp_bin_path = File.join(self.class.tmp_base_dir, "#{progname}-#{SecureRandom.uuid}")
      ::Dapp::Downloader.download(location, tmp_bin_path, show_progress: true, progress_titile: bin_path)

      checksum_location = URI("https://dl.bintray.com/flant/dapp/#{::Dapp::VERSION}/#{progname}.sha")
      tmp_bin_checksum_path = tmp_bin_path + ".checksum"
      ::Dapp::Downloader.download(checksum_location, tmp_bin_checksum_path)

      if Digest::SHA256.hexdigest(File.read(tmp_bin_path)) != File.read(tmp_bin_checksum_path).strip
        raise ::Dapp::Error::Dapp, code: :ruby2go_download_failed_bad_checksum, data: {url: location.to_s, checksum_url: checksum_location.to_s, progname: progname}
      end

      File.chmod(0755, tmp_bin_path)
      FileUtils.mkdir_p File.dirname(bin_path)
      FileUtils.mv tmp_bin_path, bin_path
    end # log_process
  end # lock
end

#_ruby2go(progname, args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 34

def _ruby2go(progname, args_hash)
  call_id = SecureRandom.uuid

  args_file = File.join(_ruby2go_tmp_dir, "args.#{call_id}.json")
  File.open(args_file, "w") {|f| f.write JSON.dump(args_hash)}

  res_file = File.join(_ruby2go_tmp_dir, "res.#{call_id}.json")

  if bin_path = ENV[_ruby2go_bin_path_env_var_name(progname)]
    unless File.exists? bin_path
      raise ::Dapp::Error::Dapp,
        code: :ruby2go_bin_path_not_found,
        data: {env_var_name: _ruby2go_bin_path_env_var_name(progname), path: bin_path}
    end
  else
    bin_path = File.join(::Dapp::Dapp.home_dir, "bin", progname, ::Dapp::VERSION, progname)
    unless File.exists? bin_path
      _download_ruby2go_bin(progname, bin_path)
    end
  end

  begin
    exec("#{bin_path} -args-from-file #{args_file} -result-to-file #{res_file}") unless (pid = fork)
    pid, status = Process.waitpid2(pid)
  rescue Interrupt => _e
    Process.kill('INT', pid)
    raise
  end

  status_code = status.exitstatus
  if [0, 16].include?(status_code)
    res = nil
    File.open(res_file, "r") {|f| res = JSON.load(f.read)}
    res
  else
    raise ::Dapp::Error::Base, code: :ruby2go_command_unexpected_exitstatus, data: { progname: progname, status_code: status_code }
  end
end

#_ruby2go_bin_path_env_var_name(progname) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 30

def _ruby2go_bin_path_env_var_name(progname)
  "DAPP_BIN_#{progname.gsub("-", "_").upcase}"
end

#_ruby2go_tmp_dir ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 73

def _ruby2go_tmp_dir
  @_ruby2go_tmp_dir ||= Dir.mktmpdir('dapp-ruby2go-', tmp_base_dir)
end

#ruby2go_builder(args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 8

def ruby2go_builder(args_hash)
  _ruby2go("builder", args_hash)
end

#ruby2go_dappdeps(args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 16

def ruby2go_dappdeps(args_hash)
  _ruby2go("dappdeps", args_hash)
end

#ruby2go_git_artifact(args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 12

def ruby2go_git_artifact(args_hash)
  _ruby2go("git-artifact", args_hash)
end

#ruby2go_git_repo(args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 20

def ruby2go_git_repo(args_hash)
  _ruby2go("git-repo", args_hash)
end

#ruby2go_image(args_hash) ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 4

def ruby2go_image(args_hash)
  _ruby2go("image", args_hash)
end

#ruby2go_init ⇒ Object 



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# File 'lib/dapp/dapp/ruby2go.rb', line 24

def ruby2go_init
  @_call_after_before_terminate << proc {
    FileUtils.rmtree(@_ruby2go_tmp_dir) if @_ruby2go_tmp_dir
  }
end