Method: Dagger::Client#get

Defined in:
lib/dagger.rb

#get(uri, opts = {}) ⇒ Object 



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# File 'lib/dagger.rb', line 114

def get(uri, opts = {})
  uri = Utils.resolve_uri(uri, @host, opts[:query])

  if @host != uri.scheme_and_host
    raise ArgumentError.new("#{uri.scheme_and_host} does not match #{@host}")
  end

  opts[:follow] = 10 if opts[:follow] == true
  headers = opts[:headers] || {}
  headers['Accept'] = 'application/json' if opts[:json] && headers['Accept'].nil?
  headers['Content-Type'] = 'application/json' if opts[:json] && opts[:body] && opts[:body].size > 0

  if opts[:ip]
    headers['Host'] = uri.host
    uri = opts[:ip]
  end

  debug { "Sending GET request to #{uri.request_uri} with headers #{headers.inspect} -- #{opts[:body]}" }

  request = Net::HTTP::Get.new(uri, DEFAULT_HEADERS.merge(headers))
  request.basic_auth(opts.delete(:username), opts.delete(:password)) if opts[:username]
  request.body = Utils.encode_body(opts[:body], opts) if opts[:body] && opts[:body].size > 0

  if @http.respond_to?(:started?) # regular Net::HTTP
    @http.start unless @http.started?
    resp, data = @http.request(request)
  else # persistent
    resp, data = @http.request(uri, request)
  end

  if REDIRECT_CODES.include?(resp.code.to_i) && resp['Location'] && (opts[:follow] && opts[:follow] > 0)
    opts[:follow] -= 1
    debug { "Following redirect to #{resp['Location']}" }
    return get(resp['Location'], opts)
  end

  @response = build_response(resp, data || resp.body)

rescue Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::ETIMEDOUT, Errno::EINVAL, Timeout::Error, \
  Net::OpenTimeout, Net::ReadTimeout, Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError, Net::ProtocolError, \
  SocketError, EOFError, OpenSSL::SSL::SSLError => e

  if retries = opts[:retries] and retries.to_i > 0
    debug { "Got #{e.class}! Retrying in a sec (#{retries} retries left)" }
    sleep (opts[:retry_wait] || DEFAULT_RETRY_WAIT)
    get(uri, opts.merge(retries: retries - 1))
  else
    raise
  end
end