From af680ed1d08aefed2942fe933f62010a762390b8 Mon Sep 17 00:00:00 2001
From: Nikhita Raghunath <nikitaraghunath@gmail.com>
Date: Wed, 31 Jan 2018 00:56:18 +0530
Subject: [PATCH] sample-controller: document minimum kube version

The sample-controller uses apps/v1 deployments
since they became GA in 1.9. This means that
sample-controller does not support versions below 1.9.

Kubernetes-commit: 1fd07e197803d0d98bba7d7caa1e5111abd12d6b
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 95ba305a..e2776a21 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,8 @@ This is an example of how to build a kube-like controller with a single type.
 
 ## Running
 
+**Prerequisite**: Since the sample-controller uses `apps/v1` deployments, the Kubernetes cluster version should be greater than 1.9.
+
 ```sh
 # assumes you have a working kubeconfig, not required if operating in-cluster
 $ go run *.go -kubeconfig=$HOME/.kube/config