added text/plain response handling

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+- text/plain response handling
+
 ## [0.3.0] - 2019-07-29
 
 ### Added

lib/k8s/client.ex

@@ -437,13 +437,14 @@ defmodule K8s.Client do
   """
   @spec patch(map()) :: Operation.t()
   def patch(%{} = resource), do: Operation.build(:patch, resource)
-  
+
   @doc """
   Returns a `PATCH` operation to patch the given subresource given a resource's details and a subresource map.
-  """    
+  """
   @spec patch(binary, binary | atom, Keyword.t(), map()) :: Operation.t()
-  def patch(api_version, kind, path_params, subresource), do: Operation.build(:patch, api_version, kind, path_params, subresource)  
-
+  def patch(api_version, kind, path_params, subresource),
+    do: Operation.build(:patch, api_version, kind, path_params, subresource)
+
   @doc """
   Returns a `PATCH` operation to patch the given subresource given a resource map and a subresource map.
   """
@@ -463,7 +464,7 @@ defmodule K8s.Client do
       [namespace: ns, name: name],
       subresource
     )
-  end  
+  end
 
   @doc """
   Returns a `PUT` operation to replace/update the given resource.
@@ -572,13 +573,14 @@ defmodule K8s.Client do
       ...> }
       ...>  K8s.Client.update("apps/v1", "deployments/scale", [namespace: "default", name: "nginx"], scale)
       %K8s.Operation{api_version: "apps/v1", data: %{"apiVersion" => "apps/v1beta1", "kind" => "Scale", "metadata" => %{"name" => "nginx", "namespace" => "default"}, "spec" => %{"replicas" => 3}}, method: :put, name: "deployments/scale", path_params: [namespace: "default", name: "nginx"], verb: :update}
-  """    
+  """
   @spec update(binary, binary | atom, Keyword.t(), map()) :: Operation.t()
-  def update(api_version, kind, path_params, subresource), do: Operation.build(:update, api_version, kind, path_params, subresource)  
-
+  def update(api_version, kind, path_params, subresource),
+    do: Operation.build(:update, api_version, kind, path_params, subresource)
+
   @doc """
   Returns a `PUT` operation to replace/update the given subresource given a resource map and a subresource map.
-  
+
   Used for updating subresources like `Scale` or `Status`.
 
   ## Examples

lib/k8s/client/behaviour.ex

@@ -14,6 +14,6 @@ defmodule K8s.Client.Behaviour do
               {:ok, HTTPoison.Response.t() | HTTPoison.AsyncResponse.t()}
               | {:error, HTTPoison.Error.t()}
             ) ::
-              {:ok, map() | reference()}
+              {:ok, list(map()) | map() | reference() | binary() | list(binary())}
               | {:error, atom | HTTPoison.Response.t() | HTTPoison.Error.t()}
 end

lib/k8s/client/http_provider.ex

@@ -33,6 +33,12 @@ defmodule K8s.Client.HTTPProvider do
       ...> K8s.Client.HTTPProvider.handle_response({:ok, %HTTPoison.Response{status_code: 200, body: body}})
       {:ok, %{"foo" => "bar"}}
 
+  Parses successful JSON responses:
+
+      iex> body = "line 1\\nline 2\\nline 3\\n"
+      ...> K8s.Client.HTTPProvider.handle_response({:ok, %HTTPoison.Response{status_code: 200, body: body, headers: [{"Content-Type", "text/plain"}]}})
+      {:ok, "line 1\\nline 2\\nline 3\\n"}
+
   Handles unauthorized responses:
 
       iex> K8s.Client.HTTPProvider.handle_response({:ok, %HTTPoison.Response{status_code: 401}})
@@ -57,8 +63,10 @@ defmodule K8s.Client.HTTPProvider do
   @impl true
   def handle_response(resp) do
     case resp do
-      {:ok, %HTTPoison.Response{status_code: code, body: body}} when code in 200..299 ->
-        {:ok, decode(body)}
+      {:ok, %HTTPoison.Response{status_code: code, body: body, headers: headers}}
+      when code in 200..299 ->
+        content_type = List.keyfind(headers, "Content-Type", 0)
+        {:ok, decode(body, content_type)}
 
       {:ok, %HTTPoison.AsyncResponse{id: ref}} ->
         {:ok, ref}
@@ -109,8 +117,10 @@ defmodule K8s.Client.HTTPProvider do
     {"Content-Type", "application/json"}
   end
 
-  @spec decode(binary()) :: list | map | nil
-  defp decode(body) do
+  @spec decode(binary(), {binary(), binary()} | nil) :: list | map | nil
+  defp decode(body, {_, "text/plain"}), do: body
+
+  defp decode(body, _default_json_decoder) do
     case Jason.decode(body) do
       {:ok, data} -> data
       {:error, _} -> nil