#!/bin/sh

USER="$(test -d /vagrant && echo "vagrant")"
if test -z "$USER" && grep "^debian" /etc/passwd ; then USER="debian" ; fi
if test -z "$USER" && grep "^user" /etc/passwd ; then USER="user" ; fi
if [ -z "$USER" ] ; then 
	exit 1
fi

echo "root:root" | chpasswd
echo "$USER:$USER" | chpasswd

# FIXME: make sure that user is root or fail fast

# Install base unix tools
apt-get update
apt-get install -y git vim wget curl

# Install vagrant
curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo tee /usr/share/keyrings/hashicorp-archive-keyring.asc
echo "deb [ signed-by=/usr/share/keyrings/hashicorp-archive-keyring.asc ] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt-get update && sudo apt-get install vagrant


# Install libvirt + qemu + kvm
# Ref. https://vagrant-libvirt.github.io/vagrant-libvirt/installation.html#ubuntu--debian
apt-get install -y qemu-utils libvirt-daemon-system libvirt-dev ebtables libguestfs-tools bridge-utils ruby-fog-libvirt

adduser "$USER" libvirt || true

# Install NFS
apt-get install -y nfs-kernel-server

# Give permission to libvirt group for NFS
cat > /etc/sudoers.d/vagrant-nfs <<-MARK
Cmnd_Alias VAGRANT_EXPORTS_CHOWN = /bin/chown 0\:0 /tmp/vagrant-exports
Cmnd_Alias VAGRANT_EXPORTS_MV = /bin/mv -f /tmp/vagrant-exports /etc/exports
Cmnd_Alias VAGRANT_NFSD_CHECK = /etc/init.d/nfs-kernel-server status
Cmnd_Alias VAGRANT_NFSD_START = /etc/init.d/nfs-kernel-server start
Cmnd_Alias VAGRANT_NFSD_APPLY = /usr/sbin/exportfs -ar
%libvirt ALL=(root) NOPASSWD: VAGRANT_EXPORTS_CHOWN, VAGRANT_EXPORTS_MV, VAGRANT_NFSD_CHECK, VAGRANT_NFSD_START, VAGRANT_NFSD_APPLY
MARK

# Install base requirements for vagrant plugins
apt-get install -y libxslt-dev libxml2-dev zlib1g-dev ruby-dev gcc make


# Make sure the embedded libraries match system libraries
if ! su "$USER" -c "vagrant plugin list" |grep '^vagrant-libvirt' ; then
  echo "Installing vagrant-libvirt..."
  su "$USER" -c "vagrant plugin install vagrant-libvirt" # --debug 
else
  echo "Skipping vagrant-libvirt (already installed)"
fi