Reduce the default installed packages.

scripts/ansible.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+apt-get -qy install python-setuptools python-dev
+
 case $(lsb_release -is) in
     'ubuntu')
         apt-add-repository ppa:ansible/ansible

scripts/postinstall.sh

@@ -18,9 +18,8 @@ apt-get -qy update
 apt-get -qy upgrade
 
 # install some oft used packages
-apt-get -qy install linux-headers-$(uname -r) build-essential
-apt-get -qy install zlib1g-dev libssl-dev
-apt-get -qy install python-software-properties python-setuptools python-dev
+apt-get -qy install linux-headers-$(uname -r) build-essential \
+  zlib1g-dev libssl-dev
 
 # configure password-less sudo
 usermod -a -G sudo vagrant
@@ -35,10 +34,10 @@ curl -Lo /home/vagrant/.ssh/authorized_keys \
 chmod 0600 /home/vagrant/.ssh/authorized_keys
 chown -R vagrant:vagrant /home/vagrant/.ssh
 
-# under Ubuntu 16.04 (Xenial), networking gets lost on reboot
+# under systemd based Ubuntu systems, networking breaks on first reboot
 # this is because it's renamed to follow the PCI slot
 case $(lsb_release -cs) in
-    "xenial")
+    "wily" | "xenial")
         sed -i "s/ens33/ens32/g" /etc/network/interfaces
     ;;
     *)

scripts/purge.sh

@@ -11,12 +11,19 @@ echo "Cleaning up dhcp..."
 rm /var/lib/dhcp/*
 
 # make sure Udev doesn't block our network
+# except on systemd systems where this isn't used
 # http://6.ptmc.org/?p=164
-echo "Cleaning up udev..."
-rm /etc/udev/rules.d/70-persistent-net.rules
-mkdir /etc/udev/rules.d/70-persistent-net.rules
-rm -rf /dev/.udev/
-rm /lib/udev/rules.d/75-persistent-net-generator.rules
+case $(lsb_release -cs) in
+    "wily" | "xenial")
+    ;;
+    *)
+    echo "Cleaning up udev..."
+    rm /etc/udev/rules.d/70-persistent-net.rules
+    mkdir /etc/udev/rules.d/70-persistent-net.rules
+    rm -rf /dev/.udev/
+    rm /lib/udev/rules.d/75-persistent-net-generator.rules
+    ;;
+esac
 
 # clean up apt
 echo "Cleaning up apt..."