JoeZ99

defmodule MyAws.Metadata
  # AWS InstanceMetaData URL
  @meta_path_region "http://169.254.169.254/latest/meta-data/placement/availability-zone"

  @region_regexp ~r/(?<continent>eu|us)-(?<zone>[^-]+)-(?<number>[\d]+)/i

  @doc """
  Get aws region. 
  First, it tries with :some_app, :aws_region variable stablished in config (hopefuly using env vars), and if no
  it assumes the code is running in an ec2 instance, so it tries to get the region from instance metadata.

JoeZ99

defmodule XmlEventHandler do
  @moduledoc """
  Module to parse xml with lists of items based on events
  """

  @behaviour Saxy.Handler

  @type element :: %{
          name: binary,
          attributes: [{binary, binary}],

JoeZ99

defmodule XmlStreamer do
  defp to_elements_stream(xml_stream) do
    {:ok, partial} = Saxy.Partial.new(XmlEventHandler)

    Stream.chunk_while(xml_stream, partial, &maybe_items/2, &finalize/1)
  end
  
  defp maybe_items(chunk, partial) do
    with {:cont, partial} <- Saxy.Partial.parse(partial, chunk),
         {:ok, partial, items} <- fetch_items(partial) do

JoeZ99

defmodule MemoryMonitor do
  @moduledoc """
  This module implements a GenServer that monitors the memory usage of a process.
  It periodically checks the memory consumption.
  """

  use GenServer

  @time_to_check :timer.seconds(10)