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github.com-tboerger-nixos-c.../desktops/osiris/partitions.sh
2022-11-17 13:32:11 +01:00

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#!/usr/bin/env bash
set -eo pipefail
if [ "${EUID}" -ne 0 ]; then
echo "Please run as root"
exit 1
fi
while true; do
read -p "Are you sure you want to wipe all partitions? " awnser
case ${awnser} in
[Yy]*)
break
;;
[Nn]*)
exit
;;
*)
echo "Please answer yes or no!"
;;
esac
done
echo "----> Remove previous VGs"
vgchange -an
for VG in $(vgs --noheadings 2>/dev/null | sed -e 's/^[[:space:]]*//' | cut -d" " -f 1); do
vgremove -y ${VG} 2>/dev/null
done
echo "----> Remove previous PVs"
for PV in $(pvs --noheadings 2>/dev/null | sed -e 's/^[[:space:]]*//' | cut -d" " -f 1); do
pvremove -y ${PV} 2>/dev/null
done
echo "----> Drop existing partitions"
for DISK in pci-0000:00:1f.2-ata-1.0; do
sgdisk --zap-all /dev/disk/by-path/${DISK}
sgdisk -og /dev/disk/by-path/${DISK}
done
echo "-----> Wait for cleanup"
sleep 3
sync
echo "-----> Create sda partitions"
parted -a opt --script /dev/disk/by-path/pci-0000:00:14.1-ata-1 \
mklabel gpt \
mkpart primary fat32 0% 1GB \
set 1 esp on \
name 1 boot \
mkpart primary 1GB 100% \
set 2 lvm on \
name 2 system
echo "-----> Reload partition table"
partprobe
echo "-----> Wait for partitions"
sleep 3
sync
echo "-----> Create data pv"
pvcreate /dev/disk/by-partlabel/system
echo "-----> Create data vg"
vgcreate system /dev/disk/by-partlabel/system
echo "-----> Create swap volume"
lvcreate -y --size $(cat /proc/meminfo | grep MemTotal | cut -d':' -f2 | sed 's/ //g') --name swap system
echo "-----> Create root volume"
lvcreate -y --size 20G --name root system
echo "-----> Create nix volume"
lvcreate -y --size 50G --name nix system
echo "-----> Create home volume"
lvcreate -y --size 50G --name home system
echo "-----> Enable swap partition"
mkswap -L swap /dev/system/swap
swapon /dev/system/swap
echo "-----> Create root filesystem"
mkfs.ext4 -L root /dev/system/root
echo "-----> Mount root filesystem"
mkdir -p /mnt
mount -t ext4 /dev/system/root /mnt
echo "-----> Create nix filesystem"
mkfs.ext4 -L nix /dev/system/nix
echo "-----> Mount nix filesystem"
mkdir -p /mnt/nix
mount -t ext4 /dev/system/nix /mnt/nix
echo "-----> Create home filesystem"
mkfs.ext4 -L home /dev/system/home
echo "-----> Mount home filesystem"
mkdir -p /mnt/home
mount -t ext4 /dev/system/home /mnt/home
echo "-----> Create boot filesystem"
mkfs.vfat -F32 -n boot /dev/disk/by-partlabel/boot
echo "-----> Mount boot filesystem"
mkdir -p /mnt/boot
mount /dev/disk/by-label/boot /mnt/boot