base: add fix-ifcfg-mac-address.sh to common-scripts. Not my best code, but it should do the trick.

Signed-off-by: Rick Elrod <relrod@redhat.com>

roles/base/files/common-scripts/fix-ifcfg-mac-address.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+for iface in `ls /etc/sysconfig/network-scripts/ifcfg-* | sed 's/.*\-//g'`; do
+  # Ignore local interface
+  [[ "$iface" == "lo" ]] && continue
+
+  correct_mac="$(ip a show dev $iface | grep 'link/ether' | awk '{print $2}')"
+  current_mac="$(grep HWADDR /etc/sysconfig/network-scripts/ifcfg-$iface | cut -d= -f2 | sed 's/"//g')"
+
+  [[ "$correct_mac" == "$current_mac" ]] && continue
+
+  sed -i "s/$current_mac/$correct_mac/" /etc/sysconfig/network-scripts/ifcfg-$iface
+done
+
+service network restart
+service NetworkManager restart