feat: add Vagrant file and provisioning scripts

scripts/01-os-basics.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+set -e
+export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+
+# Reset grub configuration
+echo "Setting install device to $( grub-mkdevicemap -m - | head -n 1 | awk '{ print $2 }' )"
+echo "debconf grub-pc/install_devices string $( grub-mkdevicemap -m - | head -n 1 | awk '{ print $2 }' )"  | debconf-set-selections
+
+# Prevent "suggested" packages from being installed automatically
+echo 'APT::Install-Suggests "0";' > /etc/apt/apt.conf.d/05disable-suggests
+
+# Replace kernel
+apt-get install -uy linux-image-cloud-amd64
+apt-get remove -y linux-image-amd64
+
+# Remove various useless packages
+apt-get remove -y memcached postfix postfix-cdb
+
+# Full system update
+apt-get update -y
+apt-get dist-upgrade -uy
+apt-get clean
+apt-get autoremove -y
+
+# Install Ansible requirements
+apt-get install -y python3-venv python-is-python3
+
+# Create a directory for the provisioning playbook
+[ -d /var/cache/provision ] || mkdir -p /var/cache/provision
+chown -R vagrant:vagrant /var/cache/provision