Add Nexus3 port fwrding for ARM64

ARM64 nodes need to have these Nexus3 ports
forwarded for now until we are able to move to
DockerHub.
This change is done to unblock CI/CD testing for ARM64

Change-Id: I4978f22a6c1d8e7e37972f0b2e5f9ca1d613d104
Issue-ID: CIMAN-229
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jenkins-scripts/nexus3_port_forwarding.sh b/jenkins-scripts/nexus3_port_forwarding.sh
new file mode 100755
index 0000000..31d41b2
--- /dev/null
+++ b/jenkins-scripts/nexus3_port_forwarding.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+# SPDX-License-Identifier: EPL-1.0
+##############################################################################
+# Copyright (c) 2019 The Linux Foundation and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v1.0
+# which accompanies this distribution, and is available at
+# http://www.eclipse.org/legal/epl-v10.html
+##############################################################################
+echo "---> nexus3_port_forwarding.sh"
+set +e  # DON'T fail build if script fails.
+
+NEXUS3_IP=`host nexus3.onap.org | awk '/has address/ { print $4 ; exit }'`
+OS_ARCH=$(ANSIBLE_STDOUT_CALLBACK=json ANSIBLE_LOAD_CALLBACK_PLUGINS=1 \
+    ansible all -i "localhost," --connection=local -m setup | jq -r \
+    '.. | .ansible_architecture? | select(type != "null")' \
+    | tr '[:upper:]' '[:lower:]')
+
+
+if [[ "${OS_ARCH}" == "aarch64" ]] ;then
+  echo "os_arch: $OS_ARCH"
+  iptables -t nat -I OUTPUT 1 -p tcp -d ${NEXUS3_IP} --dport 10001 -j DNAT --to-destination ${NEXUS3_IP}:11001
+  iptables -t nat -I OUTPUT 1 -p tcp -d ${NEXUS3_IP} --dport 10002 -j DNAT --to-destination ${NEXUS3_IP}:11002
+  iptables -t nat -I OUTPUT 1 -p tcp -d ${NEXUS3_IP} --dport 10003 -j DNAT --to-destination ${NEXUS3_IP}:11003
+fi
+
+# DON'T fail build if script fails.
+exit 0