From 3b432145bafa46b9d5fc9ba61bd92594949188df Mon Sep 17 00:00:00 2001
From: Rob Percival <robpercival@google.com>
Date: Mon, 7 Jan 2019 14:58:36 +0000
Subject: [PATCH] Add regex for ETCD_VERSION in trillian/schema.yaml

Limit the Etcd version to 3.x.x, as anything other than v3 is likely to
be incompatible.
---
 k8s/trillian/schema.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/k8s/trillian/schema.yaml b/k8s/trillian/schema.yaml
index 9d6c7ef15e..1ad72865c6 100644
--- a/k8s/trillian/schema.yaml
+++ b/k8s/trillian/schema.yaml
@@ -49,6 +49,7 @@ properties:
     type: string
     title: Etcd version
     default: 3.2.13
+    pattern: 3\.\d+\.\d+
   ETCD_SERVICE_ACCOUNT:
     type: string
     title: Etcd Service Account