From 980a13d5e723a92e7f60f1d3e19e8aaba4303d21 Mon Sep 17 00:00:00 2001
From: Jimmy Song <rootsongjc@gmail.com>
Date: Mon, 8 Jan 2018 18:43:06 +0800
Subject: [PATCH] get host ip address from pod

---
 appendix/tricks.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/appendix/tricks.md b/appendix/tricks.md
index 1a00ede42..4fb6a64b0 100644
--- a/appendix/tricks.md
+++ b/appendix/tricks.md
@@ -178,6 +178,10 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: status.podIP
+        - name: HOST_IP
+          valueFrom:
+           fieldRef:
+             fieldPath: status.hostIP
         - name: MY_POD_SERVICE_ACCOUNT
           valueFrom:
             fieldRef: