Updates to the vagrant workflow (#50)

* Virtual: install netaddr with system pkg

* Virtual: install working version of vagrant

See dotless-de/vagrant-vbguest#292
See https://bugs.launchpad.net/ubuntu/+source/vagrant/+bug/1796168

* Virtual: install libvirt-dev

Otherwise, you get errors compiling some gems while installing vagrant
plugins

* Virtual: become root to use vagrant

* Virtual: actually, don't do sudo+vagrant

* Virtual: install sshpass

virtual/cluster_destroy.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
+set -ex
 
 vagrant destroy -f

virtual/cluster_up.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -x
+set -ex
 
 # start vagrant
 vagrant up --no-parallel --provider=libvirt

virtual/install_dependencies.sh

@@ -5,11 +5,22 @@ set -xe
 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 93C4A3FD7BB9C367
 sudo apt update
 sudo apt install -y ansible
-sudo apt install -y vagrant
-sudo pip install netaddr
+
+if [ "$(lsb_release -cs)" = "bionic" ]; then
+    # dotless-de/vagrant-vbguest#292
+    pushd "$(mktemp -d)"
+    wget https://releases.hashicorp.com/vagrant/2.0.3/vagrant_2.0.3_x86_64.deb -O vagrant.deb
+    sudo dpkg -i vagrant.deb
+    popd
+else
+    sudo apt install -y vagrant
+fi
+
+sudo apt install -y python-netaddr
+sudo apt install -y sshpass
 
 # install kvm packages
-sudo apt install -y qemu-kvm libvirt-bin bridge-utils libguestfs-tools
+sudo apt install -y qemu-kvm libvirt-bin libvirt-dev bridge-utils libguestfs-tools
 sudo apt install -y qemu ovmf virt-manager firewalld
 
 # install vagrant plugins