Clear maas role password

live-build/ubuntu-server/hooks/031-maas-squashfs.binary

@@ -60,17 +60,15 @@ setup_mountpoint $REGION_ROOT
 
 env DEBIAN_FRONTEND=noninteractive chroot $REGION_ROOT apt-get -y install maas
 
-# 'Reset' dbconfig state
+# Forget how things had to be configured
 chroot $REGION_ROOT debconf -fnoninteractive -omaas-region-controller /var/lib/dpkg/info/maas-region-controller.prerm remove
 chroot $REGION_ROOT debconf -fnoninteractive -omaas-region-controller /var/lib/dpkg/info/maas-region-controller.postrm remove
 chroot $REGION_ROOT debconf -fnoninteractive -omaas-region-controller /var/lib/dpkg/info/maas-region-controller.postrm purge
 chroot $REGION_ROOT sh -c 'echo RESET maas/default-maas-url | debconf-communicate maas-common'
-
-chroot $REGION_ROOT pg_ctlcluster $(/bin/ls $REGION_ROOT/var/lib/postgresql/) main stop || :
-
-# "Forget" passwords
+chroot $REGION_ROOT sudo -u postgres psql -c 'alter role maas password null;'
 rm -f $REGION_ROOT/etc/maas/rackd.conf
 rm -f $REGION_ROOT/etc/maas/regiond.conf
+chroot $REGION_ROOT pg_ctlcluster $(/bin/ls $REGION_ROOT/var/lib/postgresql/) main stop || :
 
 # After the install, one may call the below to "reconfigure" maas-region-controller
 ## debconf -fnoninteractive -omaas-region-controller /var/lib/dpkg/info/maas-region-controller.config configure