From 9fa35d0bc6fc31fb301f9bb3b7e1606db816fbe2 Mon Sep 17 00:00:00 2001
From: Jeff Grafton <jgrafton@google.com>
Date: Thu, 14 Apr 2016 13:34:05 -0700
Subject: [PATCH] Set metadata.google.internal IP in dockerized e2e based on
 /etc/hosts

---
 hack/jenkins/dockerized-e2e-runner.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hack/jenkins/dockerized-e2e-runner.sh b/hack/jenkins/dockerized-e2e-runner.sh
index 91bdf284659..8c75a923977 100755
--- a/hack/jenkins/dockerized-e2e-runner.sh
+++ b/hack/jenkins/dockerized-e2e-runner.sh
@@ -17,7 +17,19 @@
 # Save environment variables in $WORKSPACE/env.list and then run the Jenkins e2e
 # test runner inside the kubekins-test Docker image.
 
+set -o errexit
+set -o nounset
+set -o pipefail
+
 env -u HOME -u PATH -u PWD -u WORKSPACE >${WORKSPACE}/env.list
+
+# Add all uncommented lines for metadata.google.internal in /etc/hosts to the
+# test container.
+readonly METADATA_SERVER_ADD_HOST_ARGS=($(
+  grep '^[0-9a-fA-F\.:]\+ \+metadata\.google\.internal' /etc/hosts |\
+  cut -f1 -d' ' |\
+  xargs -r printf -- '--add-host="metadata.google.internal:%s"\n'))
+
 docker run --rm=true -i \
   -v "${WORKSPACE}/_artifacts":/workspace/_artifacts \
   -v /etc/localtime:/etc/localtime:ro \
@@ -25,5 +37,6 @@ docker run --rm=true -i \
   --env-file "${WORKSPACE}/env.list" \
   -e "HOME=/workspace" \
   -e "WORKSPACE=/workspace" \
+  "${METADATA_SERVER_ADD_HOST_ARGS[@]:+${METADATA_SERVER_ADD_HOST_ARGS[@]}}" \
   gcr.io/google_containers/kubekins-test:0.9 \
   bash -c "bash <(curl -fsS --retry 3 'https://raw.githubusercontent.com/kubernetes/kubernetes/master/hack/jenkins/e2e-runner.sh')"