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vaultex

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A very simple read only client that authenticates and reads secrets from HashiCorp's Vault.

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vaultex lib vaultex write.ex
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lib/vaultex/write.ex 

defmodule Vaultex.Write do

  def handle(key, value, state = %{token: token}) do

    request(:put, "#{state.url}#{key}", value, [{"Content-Type", "application/json"}, {"X-Vault-Token", token}])

    |> handle_response(state)

  end



  def handle(_key, _value, state = %{}) do

    {:reply, {:error, ["Not Authenticated"]}, state}

  end



  defp handle_response({:ok, response}, state) do

    case response.status_code do

      200 ->

        case response.body |> Poison.Parser.parse! do

          %{"data" => data} -> {:reply, {:ok, data}, state}

          %{"errors" => []} -> {:reply, {:error, ["Key not found"]}, state}

          %{"errors" => messages} -> {:reply, {:error, messages}, state}

        end

      204 -> {:reply, :ok, state}

      error_code -> {:reply, {:error, error_code}, state}

    end

  end



  defp handle_response({_, %HTTPoison.Error{reason: reason}}, state) do

    {:reply, {:error, ["Bad response from vault [#{state.url}]", "#{reason}"]}, state}

  end



  defp request(method, url, body, headers) do

    Vaultex.RedirectableRequests.request(method, url, body, headers)

  end

end