From: David Garcia <david.garcia@canonical.com>
Date: Tue, 26 May 2020 17:27:03 +0000 (+0200)
Subject: Install iptables-persistent if it doesn't exist
X-Git-Tag: release-v8.0-start~3
X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FN2VC.git;a=commitdiff_plain;h=d3de135758e35c4d511b067c6ebeea378f63d79e

Install iptables-persistent if it doesn't exist

Change-Id: I7535e7ff3b74236cd3c7e752244252481582d557
Signed-off-by: David Garcia <david.garcia@canonical.com>
---

diff --git a/n2vc/provisioner.py b/n2vc/provisioner.py
index b170b2e..fbb16ca 100644
--- a/n2vc/provisioner.py
+++ b/n2vc/provisioner.py
@@ -72,8 +72,8 @@ fi
 
 IPTABLES_SCRIPT = """#!/bin/bash
 set -e
-apt-get update
-DEBIAN_FRONTEND=noninteractive apt-get install -yqq iptables-persistent
+[ -v `which netfilter-persistent` ] && apt update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -yqq iptables-persistent
 iptables -t nat -A OUTPUT -p tcp -d {} -j DNAT --to-destination {}
 netfilter-persistent save
 """