Fix LEAP 16.0 postInstall script

distros/opensuse/16.0/http/profile.jsonnet

@@ -59,10 +59,11 @@ local memory = agama.findByID(agama.lshw, 'memory').size;
     }]
   },
   scripts: {
-    pre: [],
     post: [ {
       name: 'configure-vagrant',
+      chroot: true,
       body: |||
+        #!/bin/sh
         # Configure the insecure Vagrant SSH key
         mkdir -p /home/vagrant/.ssh
         curl -o /home/vagrant/.ssh/authorized_keys https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant.pub
@@ -71,7 +72,7 @@ local memory = agama.findByID(agama.lshw, 'memory').size;
         # Start services
         systemctl enable sshd
         # Configure sudo access for the vagrant user
-        cat < EOF > /etc/sudoers/sudoers.d/00_vagrant
+        cat << EOF > /etc/sudoers.d/00_vagrant
         Defaults:vagrant !requiretty
         vagrant ALL=(ALL) NOPASSWD: ALL
         root ALL=(ALL) NOPASSWD: ALL