From 89dbeeb59d6677405ee08f8f693adf9e950f2603 Mon Sep 17 00:00:00 2001
From: Gardouille <gardouille@gmail.com>
Date: Mon, 19 Oct 2020 16:24:30 +0200
Subject: [PATCH] Exit on failed parted commands

---
 debian/chroot.install |   6 +--
 debian/chroot.mount   | 113 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+), 3 deletions(-)
 create mode 100755 debian/chroot.mount

diff --git a/debian/chroot.install b/debian/chroot.install
index 3eccc6e..8a33383 100755
--- a/debian/chroot.install
+++ b/debian/chroot.install
@@ -54,12 +54,12 @@ if [ "${manage_part}" -eq 0 ]; then
 
 	## Recreate partition (/boot and LV) {{{
 	### Partition type
-	parted "${hdd}" mklabel msdos
+	parted "${hdd}" mklabel msdos || exit 1
 	### /boot
-	parted "${hdd}" mkpart primary 0% 512MB
+	parted "${hdd}" mkpart primary 0% 512MB || exit 1
 	parted "${hdd}" set 1 boot on
 	### LV
-	parted "${hdd}" mkpart primary 512MB 100%
+	parted "${hdd}" mkpart primary 512MB 100% || exit 1
 	parted "${hdd}" set 2 lvm on
 	sudo pvcreate "${hdd}"2
 	sudo vgcreate "${vgname}" "${hdd}"2
diff --git a/debian/chroot.mount b/debian/chroot.mount
new file mode 100755
index 0000000..96cf48a
--- /dev/null
+++ b/debian/chroot.mount
@@ -0,0 +1,113 @@
+#!/bin/sh
+
+# Vars
+## Define the hard drive to use
+if [ -b '/dev/sda' ]; then
+	hdd="/dev/sda"
+else
+	printf '%b\n' "Please check the hard drive to use"
+	exit 0
+fi
+
+## If empty, the script will try to get one with nslookup
+new_hostname=""
+## Volume Group name to use for LVM
+vgname="${new_hostname}vg"
+## If the script should create extra volume (eg. backup, virt, Proxmox,…)
+manage_extra_lv=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'
+## }}}
+
+## Mount the system {{{
+### Root
+mkdir -p -- /target
+mountpoint -q /target            || mount -- /dev/mapper/"${vgname}"-root /target
+
+### boot - grub
+mountpoint -q /target/boot       || mount -- ${hdd}1 /target/boot
+
+#### home LV
+mountpoint -q /target/home       || mount -- /dev/mapper/"${vgname}"-home /target/home
+#### opt LV
+mountpoint -q /target/opt        || mount -- /dev/mapper/"${vgname}"-opt /target/opt
+#### srv LV
+mountpoint -q /target/srv        || mount -- /dev/mapper/"${vgname}"-srv /target/srv
+#### tmp LV
+mountpoint -q /target/tmp        || mount -- /dev/mapper/"${vgname}"-tmp /target/tmp
+#### usr LV
+mountpoint -q /target/usr        || mount -- /dev/mapper/"${vgname}"-usr /target/usr
+#### var LV
+mountpoint -q /target/var        || mount -- /dev/mapper/"${vgname}"-var /target/var
+
+if [ "${manage_extra_lv}" -eq 0 ]; then
+	### Extra bkp LV
+	mountpoint -q /target/srv/backup || mount -- /dev/mapper/"${vgname}"-bkp /target/srv/backup
+	### Extra vz LV
+	mountpoint -q /target/var/lib/vz || mount -- /dev/mapper/"${vgname}"-vz /target/var/lib/vz
+fi
+
+### Swap
+swapon -- /dev/mapper/"${vgname}"-swap
+## }}}
+## Ensure to (re)mount devices for chroot {{{
+mkdir -p --   /target/dev
+mountpoint -q /target/dev        || mount -t devtmpfs -- none      /target/dev
+mkdir -p --   /target/dev/pts
+mountpoint -q /target/dev/pts    || mount -t devpts   -- /dev/pts  /target/dev/pts
+mkdir -p --   /target/proc
+mountpoint -q /target/proc       || mount -t proc     -- none      /target/proc
+mkdir -p --   /target/sys
+mountpoint -q /target/sys        || mount -t sysfs    -- none      /target/sys
+### FIXME : /run/lvm needs to be manually set in debootstrap|chroot for Buster {{{
+### See :
+### https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918590
+### https://bbs.archlinux.org/viewtopic.php?pid=1820949#p1820949
+mkdir -p --   /target/run/lvm
+mountpoint -q /target/run/lvm    || mount --bind      -- /run/lvm  /target/run/lvm
+mkdir -p --   /target/run/udev
+mountpoint -q /target/run/udev   || mount --bind      -- /run/udev /target/run/udev
+### }}}
+## }}}
+
+## Network {{{
+### Get all informations from current network configuration in rescue mode
+net_device=$(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
+" > /tmp/50-default.network
+
+## }}}
+
+printf '%b\n' "${GREEN}The system is available on /target you can now try to chroot.${RESET}"
+
+exit 0