171 lines
5.7 KiB
Bash
Executable File
171 lines
5.7 KiB
Bash
Executable File
#!/bin/sh
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# Vars
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## Define the hard drive to use
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if [ -b '/dev/sda' ]; then
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hdd="/dev/sda"
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else
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printf '%b\n' "Please check the hard drive to use"
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exit 0
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fi
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## Volume Group name to use for LVM
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vgname="ovhsys"
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## If the script should manage the partitions (delete, add,…)
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manage_part=0
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## Package to exclude from debootstrap install
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dbs_pkg_exclude="vim"
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## Package to include to debootstrap install
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dbs_pkg_include="bzip2,debconf-i18n,dialog,dmsetup,htop,isc-dhcp-client,isc-dhcp-common,locales,lvm2,pciutils,tmux,vim-nox,wget,zsh"
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# Partitionning {{{
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if [ "${manage_part}" -eq 0 ]; then
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## Remove all old partitions
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for part_number in 1 2 3 4 5 6 7 8; do
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[ -b "${hdd}""${part_number}" ] && parted "${hdd}" rm "${part_number}"
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done
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## Recreate partition (/boot and LV) {{{
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### Partition type
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parted "${hdd}" mklabel msdos
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### /boot
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parted "${hdd}" mkpart primary 0% 512MB
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parted "${hdd}" set 1 boot on
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### LV
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parted "${hdd}" mkpart primary 4194kB 100%
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parted "${hdd}" set 2 lvm on
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sudo pvcreate "${hdd}"2
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sudo vgcreate "${vgname}" "${hdd}"2
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fi
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mkfs.ext3 -F -L boot -- "${hdd}"1
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## }}}
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## Create Logical Volumes {{{
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[ ! -b /dev/mapper/"${vgname}"-home ] && lvcreate -n home -L 20g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-opt ] && lvcreate -n opt -L 2g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-root ] && lvcreate -n root -L 5g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-srv ] && lvcreate -n srv -L 2g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-tmp ] && lvcreate -n tmp -L 10g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-usr ] && lvcreate -n usr -L 15g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-var ] && lvcreate -n var -L 10g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-vz ] && lvcreate -n vz -L 150g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-bkp ] && lvcreate -n bkp -L 150g "${vgname}"
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[ ! -b /dev/mapper/"${vgname}"-swap ] && lvcreate -n swap -L 2g "${vgname}"
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### Format the LV in ext4
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cd -- /dev/"${vgname}" || exit 1
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for lvname in *; do
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mkfs.ext4 -F -L "${lvname}" -- "${lvname}"
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done
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cd -- - || exit 1
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### And format the swap
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mkswap -L sw01 -- /dev/mapper/"${vgname}"-swap
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## }}}
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# }}}
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# Debootstrap {{{
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## Create and mount the system {{{
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### Root
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mkdir -p -- /target
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mountpoint -q /target || mount -- /dev/mapper/"${vgname}"-root /target
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### boot - grub
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mkdir -p -- /target/boot
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mountpoint -q /target/boot || mount -- ${hdd}1 /target/boot
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### home LV
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mkdir -p -- /target/home
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mountpoint -q /target/home || mount -- /dev/mapper/"${vgname}"-home /target/home
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### opt LV
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mkdir -p -- /target/opt
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mountpoint -q /target/opt || mount -- /dev/mapper/"${vgname}"-opt /target/opt
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### srv LV
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mkdir -p -- /target/srv
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mountpoint -q /target/srv || mount -- /dev/mapper/"${vgname}"-srv /target/srv
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#### bkp LV
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mkdir -p -- /target/srv/backup
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mountpoint -q /target/srv/backup || mount -- /dev/mapper/"${vgname}"-bkp /target/srv/backup
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### tmp LV
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mkdir -p -- /target/tmp
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mountpoint -q /target/tmp || mount -- /dev/mapper/"${vgname}"-tmp /target/tmp
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### usr LV
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mkdir -p -- /target/usr
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mountpoint -q /target/usr || mount -- /dev/mapper/"${vgname}"-usr /target/usr
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### var LV
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mkdir -p -- /target/var
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mountpoint -q /target/var || mount -- /dev/mapper/"${vgname}"-var /target/var
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#### vz LV
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mkdir -p -- /target/var/lib/vz
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mountpoint -q /target/var/lib/vz || mount -- /dev/mapper/"${vgname}"-vz /target/var/lib/vz
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### Swap
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swapon -- /dev/mapper/"${vgname}"-swap
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### System
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mkdir -p -- /target/dev/pts
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mountpoint -q /target/dev/pts || mount -o bind -- /dev/pts /target/dev/pts
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mkdir -p -- /target/proc
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mountpoint -q /target/proc || mount -t proc -- proc /target/proc
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mkdir -p -- /target/sys
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mountpoint -q /target/sys || mount -o bind -- /sys /target/sys
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## }}}
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## Run debootstrap
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debootstrap --arch amd64 --include="${dbs_pkg_include}" --exclude="${dbs_pkg_exclude}" stretch /target http://ftp.fr.debian.org/debian
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# }}}
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# Configure system {{{
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## Create the disk/partitions (eg. /dev/sda, /dev/sda1,…) on the target system {{{
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### Create the disk
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[ -b /target"${hdd}" ] || mknod --mode=660 /target"${hdd}" b 8 0
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### Count the number of partitions on the rescue system
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nb_part=$(ls -l -- "${hdd}"? | wc -l)
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part=1
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### Start at 1 and less/equal $nb_part
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while [ "${part}" -le "${nb_part}" ]; do
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#### Create the partitions on the target system
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[ -b /target"${hdd}${part}" ] || mknod --mode=660 /target"${hdd}${part}" b 8 "${part}"
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(( part++ ))
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done
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### Fix group of disk/partitions
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chgrp disk -- /target"${hdd}"*
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## }}}
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## Create LV inodes {{{
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### Count the number of LV on the rescue system
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nb_lv=$(ls -l -- /dev/dm-* | wc -l)
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lv=0
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### Start at 0 and less than $nb_lv cause it start at 0
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while [ "${lv}" -lt "${nb_lv}" ]; do
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#### Create the LV on the target system
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[ -b /target/dev/dm-"${lv}" ] || mknod --mode=660 /target/dev/dm-"${lv}" b 252 "${lv}"
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(( lv++ ))
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done
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### Fix group of LV
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chgrp disk -- /target/dev/dm-*
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## }}}
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## Create symlinks to LV
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### Get the list of all LV
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tmp_list_lv="/tmp/lv.rescue.list"
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find /dev/"${vgname}" -maxdepth 1 -type l -printf "%f\\n" > "${tmp_list_lv}"
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### Create Volume Group and mapper directories
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mkdir -p -- /target/dev/"${vgname}"
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mkdir -p -- /target/dev/mapper
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### For each LV
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while IFS= read -r LV_NAME
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do
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#### Create symlink in Volume Group directory on the target system (eg. /dev/mapper/ovhsys/home -> ../dm-0)
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[ -L /target/dev/"${vgname}/${LV_NAME}" ] || ln -fs -- $(readlink /dev/"${vgname}/${LV_NAME}") /target/dev/"${vgname}/${LV_NAME}"
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#### Create symlink in mapper directory on the target system (eg. /dev/mapper/mapper/ovhsys-home -> ../dm-0)
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[ -L /target/dev/mapper/"${vgname}-${LV_NAME}" ] || ln -fs -- $(readlink /dev/"${vgname}/${LV_NAME}") /target/dev/mapper/"${vgname}-${LV_NAME}"
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done < "${tmp_list_lv}"
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rm -f -- "${tmp_list_lv}"
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# }}}
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