From 930f52bb04d09d628c7365f3d9547d36b859e839 Mon Sep 17 00:00:00 2001
From: Hunter Trujillo <cryptoquick@gmail.com>
Date: Tue, 21 Nov 2017 13:51:02 -0700
Subject: [PATCH] Add null guard to tag parsing function to prevent parsing
 values that don't match tag RegEx.

---
 ui/src/hosts/apis/index.js | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/ui/src/hosts/apis/index.js b/ui/src/hosts/apis/index.js
index 39caf9fbf0..f8815f07db 100644
--- a/ui/src/hosts/apis/index.js
+++ b/ui/src/hosts/apis/index.js
@@ -196,17 +196,21 @@ function parseSeries(series) {
   function parseTag(s, obj) {
     const match = tag.exec(s)
 
-    const kv = match[0]
-    const key = match[1]
-    const value = match[2]
+    if (match) {
+      const kv = match[0]
+      const key = match[1]
+      const value = match[2]
 
-    if (key) {
-      if (!obj.tags) {
-        obj.tags = {}
+      if (key) {
+        if (!obj.tags) {
+          obj.tags = {}
+        }
+        obj.tags[key] = value
       }
-      obj.tags[key] = value
+      return s.slice(match.index + kv.length)
     }
-    return s.slice(match.index + kv.length)
+
+    return ''
   }
 
   let workStr = series.slice()