Merge ~andreserl/maas:lp1749281_squid_renable into maas:master

[Andres Rodriguez]

LP: #1749281 - When removing MAAS revert system proxy back to original state

[MAAS Lander (maas-lander)]

UNIT TESTS
-b lp1749281_squid_renable lp:~andreserl/maas/+git/maas into -b master lp:~maas-committers/maas

STATUS: SUCCESS
COMMIT: ba45bde2194ac331c2547b0618fa05b0efa03274

review: Approve

[Alberto Donato (ack)]

LGTM

review: Approve

diff --git a/debian/maas-proxy.postrm b/debian/maas-proxy.postrm
index 14cab88..9f5c346 100644
--- a/debian/maas-proxy.postrm
+++ b/debian/maas-proxy.postrm
@@ -9,4 +9,10 @@ if [ "$1" = "purge" ]; then
     rm -rf /var/lib/maas/maas-proxy.conf
 fi
 
+# MAAS installation disables system squid so it doesn't
+# prevent MAAS from running our own squid daemon. As such,
+# on removal, reenable squid.
+systemctl enable squid >/dev/null 2>&1 || true
+systemctl start squid >/dev/null 2>&1 || true
+
 #DEBHELPER#