352 lines
13 KiB
Bash
Executable File
352 lines
13 KiB
Bash
Executable File
#!/bin/sh
|
||
|
||
# Vars
|
||
## Define the hard drive to use
|
||
if [ -b '/dev/sda' ]; then
|
||
hdd="/dev/sda"
|
||
else
|
||
printf '%b\n' "Please check the hard drive to use"
|
||
exit 0
|
||
fi
|
||
## Which version of Debian should be installed
|
||
debian_version="bullseye"
|
||
## Computer hostname
|
||
## If empty, the script will try to get one with nslookup
|
||
new_hostname=""
|
||
## Volume Group name to use for LVM
|
||
vgname="${new_hostname}vg"
|
||
## If the script should manage the partitions (delete, add,…)
|
||
manage_part=0
|
||
## If the script should use BTRFS
|
||
manage_btrfs=1
|
||
## If the script should create extra volume (eg. backup, virt, Proxmox,…)
|
||
manage_extra_lv=0
|
||
## If the script should cipher data with LUKS
|
||
manage_luks=1
|
||
## You need to set a new passphrase after the installation or at least change this one
|
||
luks_passphrase="generic key"
|
||
luks_key_file="/tmp/luks.keyfile.temp"
|
||
luks_pv_name=$(basename "${hdd}"_crypt)
|
||
## If the script should manage everything (partition, package,…) related to grub
|
||
manage_grub=0
|
||
## Colors definition {{{
|
||
BLACK='\033[49;30m'
|
||
BLACKB='\033[49;90m'
|
||
RED='\033[0;31m'
|
||
REDB='\033[1;31m'
|
||
GREEN='\033[0;32m'
|
||
YELLOW='\033[0;33m'
|
||
BLUE='\033[94;49m'
|
||
MAGENTA='\033[0;35m'
|
||
CYAN='\033[36;49m'
|
||
WHITE='\033[0;37m'
|
||
BOLD='\033[1m'
|
||
RESET='\033[0m'
|
||
## }}}
|
||
|
||
## Package to exclude from debootstrap install
|
||
dbs_pkg_exclude="vim-tiny"
|
||
## Package to include to debootstrap install
|
||
dbs_pkg_include="aptitude,btrfs-progs,bzip2,cryptsetup,debconf-i18n,dialog,dmsetup,htop,isc-dhcp-client,isc-dhcp-common,locales,lvm2,openssh-server,pciutils,thin-provisioning-tools,tmux,vim-nox,wget,zsh"
|
||
|
||
# Prepare host system {{{
|
||
apt update
|
||
apt install -y coreutils e2fsprogs gawk ipcalc lvm2 thin-provisioning-tools parted util-linux wget || exit 1
|
||
|
||
## Install a recent version of debootstrap
|
||
wget http://ftp.de.debian.org/debian/pool/main/d/debootstrap/debootstrap_1.0.114_all.deb -O /tmp/debootstrap.deb
|
||
dpkg -i /tmp/debootstrap.deb || exit 2
|
||
|
||
## Install a recent version of debian-archive-keyring
|
||
wget http://ftp.de.debian.org/debian/pool/main/d/debian-archive-keyring/debian-archive-keyring_2019.1+deb10u1_all.deb -O /tmp/debian-archive-keyring.deb
|
||
dpkg -i /tmp/debian-archive-keyring.deb || exit 3
|
||
# }}}
|
||
# Partitionning {{{
|
||
if [ "${manage_part}" -eq 0 ]; then
|
||
## Remove all old partitions {{{
|
||
for part_number in 1 2 3 4 5 6 7 8; do
|
||
[ -b "${hdd}""${part_number}" ] && parted "${hdd}" rm "${part_number}"
|
||
done
|
||
## }}}
|
||
## Recreate partition (/boot and LV) {{{
|
||
### Partition type
|
||
parted "${hdd}" mklabel gpt || exit 1
|
||
|
||
if [ "${manage_grub}" -eq 0 ]; then
|
||
### /boot
|
||
parted "${hdd}" mkpart primary 0% 512MB || exit 1
|
||
parted "${hdd}" set 1 boot on
|
||
sleep 2
|
||
mkfs.ext3 -F -L boot -- "${hdd}"1 || exit 4
|
||
|
||
### LV
|
||
root_part_id="2"
|
||
parted "${hdd}" mkpart primary 512MB 100% || exit 1
|
||
parted "${hdd}" set "${root_part_id}" lvm on
|
||
sleep 2
|
||
else
|
||
### LV
|
||
root_part_id="1"
|
||
parted "${hdd}" mkpart primary 0% 100% || exit 1
|
||
parted "${hdd}" set "${root_part_id}" lvm on
|
||
sleep 2
|
||
fi
|
||
|
||
if [ "${manage_luks}" -eq 0 ]; then
|
||
rm -f -- "${luks_key_file}" && printf '%b' "${luks_passphrase}" > "${luks_key_file}"
|
||
cryptsetup -c aes-xts-plain64 -s 512 --use-random -y luksFormat "${hdd}${root_part_id}" "${luks_passphrase}" --key-file "${luks_key_file}" || exit 2
|
||
cryptsetup luksOpen "${hdd}${root_part_id}" "${luks_pv_name}" --key-file "${luks_key_file}" || exit 2
|
||
pvcreate /dev/mapper/"${luks_pv_name}" || exit 3
|
||
vgcreate "${vgname}" /dev/mapper/"${luks_pv_name}" || exit 3
|
||
else
|
||
pvcreate "${hdd}${root_part_id}" || exit 3
|
||
vgcreate "${vgname}" "${hdd}${root_part_id}" || exit 3
|
||
fi
|
||
## }}}
|
||
## Create Logical Volumes {{{
|
||
if [ "${manage_btrfs}" -eq 0 ]; then
|
||
### Create only 1 LV for btrfs base system
|
||
[ ! -b /dev/mapper/"${vgname}"-root ] && lvcreate -n root -L 70g "${vgname}"
|
||
else
|
||
### Otherwise create differents LVs
|
||
[ ! -b /dev/mapper/"${vgname}"-home ] && lvcreate -n home -L 20g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-opt ] && lvcreate -n opt -L 2g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-root ] && lvcreate -n root -L 5g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-srv ] && lvcreate -n srv -L 2g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-tmp ] && lvcreate -n tmp -L 10g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-usr ] && lvcreate -n usr -L 15g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-var ] && lvcreate -n var -L 10g "${vgname}"
|
||
fi
|
||
### Create extra LVs
|
||
if [ "${manage_extra_lv}" -eq 0 ]; then
|
||
[ ! -b /dev/mapper/"${vgname}"-vz ] && lvcreate -n vz -L 150g "${vgname}"
|
||
[ ! -b /dev/mapper/"${vgname}"-bkp ] && lvcreate -n bkp -L 150g "${vgname}"
|
||
fi
|
||
[ ! -b /dev/mapper/"${vgname}"-swap ] && lvcreate -n swap -L 4g "${vgname}"
|
||
## }}}
|
||
## Format Logical Volumes {{{
|
||
### Format LVs in ext4
|
||
cd -- /dev/"${vgname}" || exit 1
|
||
for lvname in *; do
|
||
mkfs.ext4 -F -L "${lvname}" -- "${lvname}" || exit 4
|
||
done
|
||
cd -- - || exit 1
|
||
|
||
### (re)format Btrfs LV
|
||
if [ "${manage_btrfs}" -eq 0 ]; then
|
||
### Ensure to format Btrfs LV
|
||
mkfs.btrfs --force -L root -- /dev/"${vgname}"/root || exit 4
|
||
fi
|
||
|
||
### And format the swap
|
||
mkswap -L sw01 -- /dev/mapper/"${vgname}"-swap || exit 4
|
||
## }}}
|
||
fi
|
||
|
||
# }}}
|
||
# Debootstrap {{{
|
||
## Create and mount the system {{{
|
||
### Root
|
||
mkdir -p -- /target
|
||
mountpoint -q /target || mount -- /dev/mapper/"${vgname}"-root /target
|
||
|
||
if [ "${manage_grub}" -eq 0 ]; then
|
||
### boot - grub
|
||
mkdir -p -- /target/boot
|
||
mountpoint -q /target/boot || mount -- ${hdd}1 /target/boot
|
||
boot_uuid=$(blkid | grep "${hdd}1" | sed 's/.*1.*UUID="\(.*\)" TYPE.*/\1/')
|
||
### Prepare an fstab file
|
||
printf '%b\n' "UUID=${boot_uuid} /boot ext3 defaults 0 0" > /tmp/target.fstab
|
||
fi
|
||
|
||
### Prepare the base system tree according to the expected file system
|
||
if [ "${manage_btrfs}" -eq 0 ]; then
|
||
#### Download an extra script for Btrfs
|
||
wget -O /tmp/part.btrfs.sh "https://git.101010.fr/gardouille-dotfiles/scripts/raw/master/debian/part.btrfs.sh"
|
||
#### Create several subvolumes
|
||
chmod +x /tmp/part.btrfs.sh && /tmp/part.btrfs.sh
|
||
|
||
#### root
|
||
grep "btrfs" /etc/mtab >> /tmp/target.fstab
|
||
|
||
else ### Or for ext4, create mountpoint and mount LV
|
||
#### root
|
||
printf '%b\n' "/dev/mapper/${vgname}-root / ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### home LV
|
||
mkdir -p -- /target/home
|
||
mountpoint -q /target/home || mount -- /dev/mapper/"${vgname}"-home /target/home
|
||
printf '%b\n' "/dev/mapper/${vgname}-home /home ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### opt LV
|
||
mkdir -p -- /target/opt
|
||
mountpoint -q /target/opt || mount -- /dev/mapper/"${vgname}"-opt /target/opt
|
||
printf '%b\n' "/dev/mapper/${vgname}-opt /opt ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### srv LV
|
||
mkdir -p -- /target/srv
|
||
mountpoint -q /target/srv || mount -- /dev/mapper/"${vgname}"-srv /target/srv
|
||
printf '%b\n' "/dev/mapper/${vgname}-srv /srv ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### tmp LV
|
||
mkdir -p -- /target/tmp
|
||
chmod 0777 -- /target/tmp
|
||
mountpoint -q /target/tmp || mount -- /dev/mapper/"${vgname}"-tmp /target/tmp
|
||
printf '%b\n' "/dev/mapper/${vgname}-tmp /tmp ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### usr LV
|
||
mkdir -p -- /target/usr
|
||
mountpoint -q /target/usr || mount -- /dev/mapper/"${vgname}"-usr /target/usr
|
||
printf '%b\n' "/dev/mapper/${vgname}-usr /usr ext4 defaults 0 0" >> /tmp/target.fstab
|
||
#### var LV
|
||
mkdir -p -- /target/var
|
||
mountpoint -q /target/var || mount -- /dev/mapper/"${vgname}"-var /target/var
|
||
printf '%b\n' "/dev/mapper/${vgname}-var /var ext4 defaults 0 0" >> /tmp/target.fstab
|
||
fi
|
||
|
||
### Ensure to remove any occurence to /target mountpoint
|
||
sed -i 's;target/;;' /tmp/target.fstab
|
||
sed -i 's;target;;' /tmp/target.fstab
|
||
|
||
if [ "${manage_extra_lv}" -eq 0 ]; then
|
||
### Extra bkp LV
|
||
mkdir -p -- /target/srv/backup
|
||
mountpoint -q /target/srv/backup || mount -- /dev/mapper/"${vgname}"-bkp /target/srv/backup
|
||
printf '%b\n' "/dev/mapper/${vgname}-bkp /srv/backup ext4 defaults 0 0" >> /tmp/target.fstab
|
||
### Extra vz LV
|
||
mkdir -p -- /target/var/lib/vz
|
||
mountpoint -q /target/var/lib/vz || mount -- /dev/mapper/"${vgname}"-vz /target/var/lib/vz
|
||
printf '%b\n' "/dev/mapper/${vgname}-vz /var/lib/vz ext4 defaults 0 0" >> /tmp/target.fstab
|
||
fi
|
||
|
||
### Swap
|
||
swapon -- /dev/mapper/"${vgname}"-swap
|
||
## }}}
|
||
## Run debootstrap
|
||
debootstrap --arch amd64 --include="${dbs_pkg_include}" --exclude="${dbs_pkg_exclude}" "${debian_version}" /target http://ftp.fr.debian.org/debian || exit 1
|
||
|
||
# }}}
|
||
# Configure system {{{
|
||
## Fstab {{{
|
||
### Copy the temp fstab file to target
|
||
cp -- /tmp/target.fstab /target/etc/fstab
|
||
## }}}
|
||
## Ensure to (re)mount devices for chroot {{{
|
||
mkdir -p -- /target/dev
|
||
mountpoint -q /target/dev || mount -t devtmpfs -- none /target/dev
|
||
mkdir -p -- /target/dev/pts
|
||
mountpoint -q /target/dev/pts || mount -t devpts -- /dev/pts /target/dev/pts
|
||
mkdir -p -- /target/proc
|
||
mountpoint -q /target/proc || mount -t proc -- none /target/proc
|
||
mkdir -p -- /target/sys
|
||
mountpoint -q /target/sys || mount -t sysfs -- none /target/sys
|
||
### FIXME : /run/lvm needs to be manually set in debootstrap|chroot for Buster {{{
|
||
### See :
|
||
### https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918590
|
||
### https://bbs.archlinux.org/viewtopic.php?pid=1820949#p1820949
|
||
mkdir -p -- /target/run/lvm
|
||
mountpoint -q /target/run/lvm || mount --bind -- /run/lvm /target/run/lvm
|
||
mkdir -p -- /target/run/udev
|
||
mountpoint -q /target/run/udev || mount --bind -- /run/udev /target/run/udev
|
||
### }}}
|
||
## }}}
|
||
## Luks {{{
|
||
if [ "${manage_luks}" -eq 0 ]; then
|
||
luks_part_uuid=$(blkid | grep "${hdd}2.*TYPE=\"crypto_LUKS\"" | sed 's/.*UUID="\(.*\)" TYPE.*/\1/')
|
||
### Ensure crypttab file contains the LUKS informations
|
||
printf '%b\n' "${luks_pv_name} UUID=${luks_part_uuid} none luks,discard" >> /target/etc/crypttab
|
||
fi
|
||
|
||
### Regenerate initramfs
|
||
chroot /target update-initramfs -k all -u
|
||
## }}}
|
||
## Network {{{
|
||
### Get all informations from current network configuration in rescue mode
|
||
net_device=$(ip r | grep "^default" | head -1 | cut -d" " -f5)
|
||
#### TODO: Switch to ip a to get ip address
|
||
net_address=$(ip r | grep -vE "(^default|metric)" | grep "${net_device}.*src" | head -1 | awk -F" " '{print $NF}')
|
||
read -r net_mac_address </sys/class/net/"${net_device}"/address
|
||
net_netmask=$(ipcalc "${net_address}" | awk '/Netmask:/{print $2;}')
|
||
net_netmask_cidr=$(ipcalc "${net_address}" | awk '/Netmask:/{print $4;}')
|
||
net_broadcast=$(ip a s dev "${net_device}" | awk '/inet.*brd/{print $4}')
|
||
net_network=$(ip r | grep -vE "(^default|metric)" | grep "src ${net_address}" | head -1 | cut -d"/" -f1)
|
||
net_gateway=$(ip r | grep "^default" | head -1 | cut -d" " -f3)
|
||
|
||
### Create a network unit for systemd-networkd
|
||
printf '%b' "[Match]
|
||
MACAddress=${net_mac_address}
|
||
|
||
[Network]
|
||
Description=network interface with default route without dhcp
|
||
DHCP=no
|
||
Address=${net_address}/${net_netmask_cidr}
|
||
Gateway=${net_gateway}
|
||
IPv6AcceptRA=no
|
||
DNS=80.67.169.12
|
||
" > /target/etc/systemd/network/50-default.network
|
||
|
||
### Ensure to enable systemd-networkd at startup
|
||
chroot /target systemctl enable systemd-networkd
|
||
|
||
## }}}
|
||
## Locale {{{
|
||
### Enable locale(s)
|
||
sed -i 's/^# \(en_US.UTF-8 UTF-8\)/\1/' /target/etc/locale.gen
|
||
#sed -i 's/^# \(fr_FR.UTF-8 UTF-8\)/\1/' /target/etc/locale.gen
|
||
chroot /target locale-gen
|
||
|
||
## }}}
|
||
## Timezone {{{
|
||
### Set timezone
|
||
printf '%b\n' "Europe/Paris" > /target/etc/timezone
|
||
ln -fs /usr/share/zoneinfo/Europe/Paris /target/etc/localtime
|
||
chroot /target dpkg-reconfigure --frontend noninteractive tzdata
|
||
|
||
## }}}
|
||
## Kernel and Grub {{{
|
||
### Install
|
||
if [ "${manage_grub}" -eq 0 ]; then
|
||
chroot /target aptitude install --assume-yes --without-recommends -- linux-image-amd64 grub-pc
|
||
chroot /target grub-install "${hdd}"
|
||
chroot /target update-grub
|
||
else
|
||
chroot /target aptitude install --assume-yes --without-recommends -- linux-image-amd64
|
||
fi
|
||
## }}}
|
||
## Hostname {{{
|
||
|
||
if [ -z "${new_hostname}" ]; then
|
||
lookup_hostname=$(nslookup "${net_address}" || echo "server name = new_server")
|
||
get_hostname=$(echo "${lookup_hostname}" | awk '/name =/{print $4;}' | cut -d. -f1)
|
||
printf '%b\n' "${get_hostname}" > /target/etc/hostname
|
||
else
|
||
printf '%b\n' "${new_hostname}" > /target/etc/hostname
|
||
fi
|
||
#printf '%b\n' "127.0.0.1 ${new_hostname}" >> /target/etc/hosts
|
||
|
||
## }}}
|
||
# }}}
|
||
# Finish {{{
|
||
## Call a latecommand script {{{
|
||
wget -O /tmp/latecommand.tar.gz "https://git.ipr.univ-rennes.fr/cellinfo/tftpboot/raw/master/scripts/latecommand.tar.gz" --no-check-certificate
|
||
tar xzf /tmp/latecommand.tar.gz -C /target/tmp/
|
||
chroot /target /usr/bin/env debian_version="${debian_version}" /bin/sh /tmp/latecommand/post."${debian_version}".sh
|
||
|
||
## }}}
|
||
## SSH {{{
|
||
### Allow root connections - this should be fixed if it works
|
||
sed -i 's/\(^\|^\#\)\(PermitRootLogin\).*/\2 yes/g' /target/etc/ssh/sshd_config
|
||
### Add current authorized_keys from the rescue system if present
|
||
if [ -f /root/.ssh/authorized_keys ]; then
|
||
mkdir -p -- /target/root/.ssh
|
||
cp -- /root/.ssh/authorized_keys /target/root/.ssh/authorized_keys
|
||
else
|
||
printf '%b\n' "${REDB}You might want to define an authorized key for SSH/root in /target/etc/ssh/sshd_config${RESET}"
|
||
fi
|
||
## }}}
|
||
printf '%b\n' "${REDB}Please change the root's password :${RESET}"
|
||
chroot /target passwd
|
||
|
||
# Ensure to umount everything
|
||
#umount /target/var/lib/vz/ /target/var/ /target/usr/ /target/tmp/ /target/sys/ /target/srv/backup/ /target/srv/ /target/proc/ /target/opt/ /target/home/ /target/dev/pts/ /target/dev /target/boot/ /target/
|
||
|
||
printf '%b\n' "${GREEN}The system is still available on /target but you can now try to reboot the hardware.${RESET}"
|
||
|
||
exit 0
|
||
# }}}
|