From 1bf12322c0359a4ccc52599d074f87a59a63d7d1 Mon Sep 17 00:00:00 2001
From: Jacob Henner <code@ventricle.us>
Date: Sun, 14 Feb 2021 18:49:43 -0500
Subject: [PATCH] Increase aiohttp read buffer to 2MiB (#138)

The previous default (64KiB) would cause `ValueError: Line is too long`
exceptions on watch events with large objects.

Requires aiohttp >= 3.7.0
---
 kubernetes_asyncio/client/rest.py | 9 ++++++++-
 requirements.txt                  | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/kubernetes_asyncio/client/rest.py b/kubernetes_asyncio/client/rest.py
index 83a44992f..0fa723782 100644
--- a/kubernetes_asyncio/client/rest.py
+++ b/kubernetes_asyncio/client/rest.py
@@ -78,7 +78,14 @@ def __init__(self, configuration, pools_size=4, maxsize=None):
 
         # https pool manager
         self.pool_manager = aiohttp.ClientSession(
-            connector=connector
+            connector=connector,
+            # Watch events containing large resource objects can exceed
+            # aiohttp's default read buffer size.
+            #
+            # There is no hard-limit defined by k8s, but the etcd default
+            # maximum request size is 1.5MiB.
+            # https://github.com/kubernetes/kubernetes/issues/19781
+            read_bufsize=2**21
         )
 
     async def close(self):
diff --git a/requirements.txt b/requirements.txt
index b70652ce0..aa824b7ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ python-dateutil>=2.5.3  # BSD
 setuptools>=21.0.0  # PSF/ZPL
 urllib3>=1.24.2  # MIT
 pyyaml>=3.12  # MIT
-aiohttp>=2.3.10,<4.0.0 # # Apache-2.0
+aiohttp>=3.7.0,<4.0.0 # # Apache-2.0