parallelvirtualcluster/pvc-installer
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pvc-installer/buildiso.sh
Joshua M. Boniface 36e439c78e Reset liveISO to bullseye 
Bookworm seems to have a serious bug with PERC controllers causing the
drive to reset. This goes away with Bullseye, so use that instead.
2023-09-01 15:42:00 -04:00

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#!/usr/bin/env bash
# Generate a PVC autoinstaller ISO via live-build
# This ISO makes a number of assumptions about the system and asks
# minimal questions in order to streamline the install process versus
# using a standard Debian intaller ISO. The end system is suitable
# for immediate bootstrapping with the PVC Ansible roles.
fail() {
echo "$@"
exit 1
}
which lb &>/dev/null || fail "This script requires live-build"
sudo -n true &>/dev/null || fail "The user running this script must have sudo privileges."
idir=$( dirname $0 )
pushd ${idir} &>/dev/null
show_help() {
echo -e "PVC install ISO generator"
echo
echo -e " Generates a mostly-automated installer ISO for a PVC node base system via lb."
echo
echo -e "Usage: $0 [-h] [-o <output_filename>] [-u username] [-a]"
echo
echo -e " -h: Display this help message."
echo -e " -o: Create the ISO as <output_filename> instead of the default."
echo -e " -u: Change 'deploy' user to a new username."
echo -e " -c: Change CPU architecture to a new architecture [x86_64/aarch64]."
echo -e " -m: Change the mirror server (default 'https://mirror.csclub.uwaterloo.ca')."
echo -e " -a: Preserve live-build artifacts."
echo -e " -k: Preserve live-build config."
}
while [ $# -gt 0 ]; do
case "${1}" in
-h|\?)
show_help
exit 0
;;
-o)
isofilename="${2}"
shift 2
;;
-u)
deployusername="${2}"
shift 2
;;
-c)
current_arch=$( uname -m )
if [[ ${current_arch} != ${2} ]]; then
case ${2} in
x86_64)
arch="amd64"
arch_config_append="--architecture amd64 --bootloader grub-efi --bootstrap-qemu-arch amd64 --bootstrap-qemu-static /usr/bin/qemu-x86_64-static"
;;
aarch64)
arch="arm64"
arch_config_append="--architecture arm64 --bootloader grub-efi --bootstrap-qemu-arch arm64 --bootstrap-qemu-static /usr/bin/qemu-aarch64-static"
;;
*)
echo "Invalid arch: ${2}"
echo
show_help
exit 1
;;
esac
fi
shift 2
;;
-m)
mirror_server="${2}"
shift 2
;;
-a)
preserve_artifacts='y'
shift
;;
-k)
preserve_livebuild='y'
shift
;;
*)
echo "Invalid option: ${1}"
echo
show_help
exit 1
;;
esac
done
if [[ -z ${arch} ]]; then
arch="amd64"
fi
if [[ -z ${isofilename} ]]; then
isofilename="pvc-installer_$(date +%Y-%m-%d)_${arch}.iso"
fi
if [[ -z ${deployusername} ]]; then
deployusername="deploy"
fi
if [[ -z ${mirror_server} ]]; then
mirror_server="https://mirror.csclub.uwaterloo.ca"
fi
mkdir -p artifacts/lb
pushd artifacts/lb &>/dev/null
echo "Pre-cleaning live-build environment..."
sudo lb clean
echo
echo "Initializing config..."
# Initialize the live-build config
lb config \
--distribution bullseye \
--archive-areas "main contrib non-free" \
--mirror-bootstrap "${mirror_server}/debian" \
--mirror-chroot-security "${mirror_server}/debian-security" \
--debconf-frontend readline \
--apt-recommends false \
${arch_config_append} || fail "Failed to initialize live-build config"
echo
# Configure the package lists
echo -n "Copying package lists... "
cp ../../templates/installer.list.chroot config/package-lists/installer.list.chroot || fail "Failed to copy critical template file"
cp ../../templates/installer_${arch}.list.chroot config/package-lists/installer_${arch}.list.chroot || fail "Failed to copy critical template file"
cp ../../templates/firmware.list.chroot config/package-lists/firmware.list.chroot || fail "Failed to copy critical template file"
echo "done."
# Add root password hook
echo -n "Copying live-boot templates... "
mkdir -p config/includes.chroot/lib/live/boot/
cp ../../templates/9990-initramfs-tools.sh config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
chmod +x config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
mkdir -p config/includes.chroot/lib/live/config/
cp ../../templates/2000-remove-root-pw.sh config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
chmod +x config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
echo "done."
# Set root bashrc
echo -n "Copying root bashrc template... "
mkdir -p config/includes.chroot/root
cp ../../templates/root.bashrc config/includes.chroot/root/.bashrc || fail "Failed to copy critical template file"
echo "done."
# Set hostname and resolv.conf
echo -n "Copying networking templates... "
mkdir -p config/includes.chroot/etc
cp ../../templates/hostname config/includes.chroot/etc/hostname || fail "Failed to copy critical template file"
cp ../../templates/resolv.conf config/includes.chroot/etc/resolv.conf || fail "Failed to copy critical template file"
echo "done."
# Set single vty and autologin
echo -n "Copying getty templates... "
mkdir -p config/includes.chroot/etc/systemd/
cp ../../templates/logind.conf config/includes.chroot/etc/systemd/logind.conf || fail "Failed to copy critical template file"
mkdir -p config/includes.chroot/etc/systemd/system/getty@.service.d
cp ../../templates/getty-override.conf config/includes.chroot/etc/systemd/system/getty@.service.d/override.conf || fail "Failed to copy critical template file"
mkdir -p config/includes.chroot/etc/systemd/system/serial-getty@.service.d
cp ../../templates/serial-getty-override.conf config/includes.chroot/etc/systemd/system/serial-getty@.service.d/override.conf || fail "Failed to copy critical template file"
echo "done."
# Install GRUB config, theme, and splash
echo -n "Copying bootloader (GRUB) templates... "
cp -a /usr/share/live/build/bootloaders/grub-pc config/bootloaders/ || fail "Failed to copy grub-pc bootloader config from host system"
cp ../../templates/grub.cfg config/bootloaders/grub-pc/grub.cfg || fail "Failed to copy critical template file"
cp ../../templates/theme.txt config/bootloaders/grub-pc/live-theme/theme.txt || fail "Failed to copy critical template file"
cp ../../templates/splash.png config/bootloaders/grub-pc/splash.png || fail "Failed to copy critical template file"
echo "done."
# Install module blacklist template
echo -n "Copying module blacklist template... "
mkdir -p config/includes.chroot/etc/modprobe.d
cp ../../templates/blacklist.conf config/includes.chroot/etc/modprobe.d/blacklist.conf || fail "Failed to copy critical template file"
echo "done."
# Install module initramfs requirements (Broadcom NICs)
echo -n "Copying initramfs modules template... "
mkdir -p config/includes.chroot/etc/initramfs-tools
cp ../../templates/modules config/includes.chroot/etc/initramfs-tools/modules || fail "Failed to copy critical template file"
echo "done."
# Install install.sh script
echo -n "Copying PVC node installer script template... "
cp ../../templates/install.sh config/includes.chroot/install.sh || fail "Failed to copy critical template file"
chmod +x config/includes.chroot/install.sh
echo "done."
# Customize install.sh script
echo -n "Customizing PVC node installer script... "
sed -i "s/XXDATEXX/$(date)/g" config/includes.chroot/install.sh
sed -i "s/XXDEPLOYUSERXX/${deployusername}/g" config/includes.chroot/install.sh
echo "done."
echo
# Build the live image
echo "Building live image..."
sudo lb build || fail "Failed to build live image"
echo
# Move the ISO image out
echo -n "Copying generated ISO to repository root... "
cp live-image-${arch}.hybrid.iso ../../${isofilename}
echo "done."
# Clean up the artifacts
if [[ -z ${preserve_artifacts} ]]; then
echo "Cleaning live-build environment..."
sudo lb clean
fi
popd &>/dev/null
# Clean up the config
if [[ -z ${preserve_livebuild} ]]; then
echo -n "Removing artifacts... "
sudo rm -rf artifacts/lb
echo "done."
fi
echo
echo "Build completed. ISO file: ${isofilename}"
popd &>/dev/null
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