From 8081a5520a441b43a8a7a73f3a90c7aacfaa8e10 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Sun, 24 Feb 2019 21:05:27 +0100
Subject: Move everything one level up

---
 scripts/make-base.sh | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100755 scripts/make-base.sh

(limited to 'scripts/make-base.sh')

diff --git a/scripts/make-base.sh b/scripts/make-base.sh
new file mode 100755
index 0000000..970acac
--- /dev/null
+++ b/scripts/make-base.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+# Create the base disk image: a minimal Debian install with a user
+# account student / vaje. Root password is kaboom. Serial console is
+# enabled for grub and boot messages are displayed. Some useful
+# additional packages are installed, and the image is sparsified
+# (requires at least 30 GB free space).
+
+set -e
+
+if [ $# -lt 1 ]; then
+	echo "usage: ${0} image-name"
+	exit 1
+fi
+
+name="${1}"
+format=qcow2
+
+outfile="${name}.${format}"
+fatfile="${name}-fat.${format}"
+
+tmpdir="$(mktemp -d kpov-tmp.XXXXXX)"
+trap 'rm -rf "${tmpdir}"' EXIT
+
+for f in linux initrd.gz; do
+	wget "https://d-i.debian.org/daily-images/i386/daily/netboot/debian-installer/i386/${f}" -O "${tmpdir}/${f}"
+done
+
+qemu-img create -f "${format}" -o size=30G "${fatfile}"
+
+qemu-system-i386 \
+	-enable-kvm \
+	-nographic \
+	-m 1G -smp 2 \
+	-kernel "${tmpdir}/linux" -initrd "${tmpdir}/initrd.gz" \
+	-append "console=ttyS0,115200n8 serial auto=true url=http://10.0.2.10:8080/preseed.cfg hostname=${name} domain=" \
+	-net user,guestfwd=:10.0.2.10:8080-cmd:"/bin/busybox httpd -i" -net nic \
+	-hda "${fatfile}"
+
+virt-customize -a "${fatfile}" \
+	--update \
+	--install virtualbox-guest-utils,virtualbox-guest-modules \
+	--install nftables \
+	--install git,nano,net-tools,rsync,sudo,tmux,vim \
+	--run-command 'apt clean' \
+	--edit /etc/default/grub:'s/^GRUB_CMDLINE_LINUX_DEFAULT=.*$/GRUB_CMDLINE_LINUX_DEFAULT="console=tty0 console=ttyS0"/' \
+	--edit /etc/default/grub:'s/^GRUB_TERMINAL=.*$/GRUB_TERMINAL=\"console serial\"/' \
+	--run-command update-grub
+
+virt-sparsify "${fatfile}" "${outfile}"
+rm -f "${fatfile}"
-- 
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