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Diffstat (limited to 'zfs_assets/stage1.sh')
| -rwxr-xr-x | zfs_assets/stage1.sh | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/zfs_assets/stage1.sh b/zfs_assets/stage1.sh deleted file mode 100755 index 392ff74..0000000 --- a/zfs_assets/stage1.sh +++ /dev/null @@ -1,210 +0,0 @@ -#!/usr/bin/env bash -# install arch linux on zfs root, stage one -# Craig Jennings <c@cjennings.net> -# -# https://openzfs.github.io/openzfs-docs/Getting%20Started/Arch%20Linux/Root%20on%20ZFS.html -# - -set -e # halt on any error - -# -------------------------- Prerequisites -------------------------- - -sed -i "s/^#ParallelDownloads = 5$/ParallelDownloads = 15/" /etc/pacman.conf -# These are now done in stage 0 -# pacman-key --init -# pacman-key --refresh-keys -# pacman --noconfirm -Sy archlinux-keyring -loadkeys us -timedatectl set-ntp true - -### --------------------------- Choose Disk --------------------------- - -all_disk_ids=( $(ls /dev/disk/by-id/) ) -echo ""; echo "Select the disk id to use. All data will be erased." -select disk_id in "${all_disk_ids[@]}"; do - # ensure valid selection - if [[ -n $disk_id ]]; then - selection=$disk_id - break - else - echo "Invalid. Try again." - fi -done - -# Confirm the selected disk -read -p "Confirm: '$selection' [y/n]? " choice -if [[ "$choice" != "y" ]]; then - echo "Exiting..." - exit 1 -fi - -DISK="/dev/disk/by-id/$selection" -MNT=/mnt # Set a mount point -SWAPSIZE=4 # Set swap size in GB -RESERVE=1 # Set how much space to leave at the end of disk, minimum 1GB - -### --------------------------- Erase Disk ------------------------- -echo ""; echo "### Erasing Disk" -blkdiscard -f "${DISK}" || true # discard all sectors on flash-based storage -sgdisk --zap-all "${DISK}" # clear the disk - -### ------------------------- Partition Disk ------------------------ -echo ""; echo "### Partitioning Disk" -parted --script --align=optimal "${DISK}" -- \ - mklabel gpt \ - mkpart EFI 2MiB 1GiB \ - mkpart bpool 1GiB 5GiB \ - mkpart rpool 5GiB -$((SWAPSIZE + RESERVE))GiB \ - mkpart swap -$((SWAPSIZE + RESERVE))GiB -"${RESERVE}"GiB \ - mkpart BIOS 1MiB 2MiB \ - set 1 esp on \ - set 5 bios_grub on \ - set 5 legacy_boot on - -### ---------------------- Setup Encrypted Swap --------------------- -echo ""; echo "### Encrypted Swap" -for i in ${DISK}; do - cryptsetup open --type plain --key-file /dev/random "${i}"-part4 "${i##*/}"-part4 - mkswap /dev/mapper/"${i##*/}"-part4 - swapon /dev/mapper/"${i##*/}"-part4 -done - -# ------------------- Create Boot And Root Pools ------------------ - -# This step creates a separate boot pool for /boot with the features limited to -# only those that GRUB supports, allowing the root pool to use any/all features. - -echo ""; echo "### Checking ZFS Module" -modprobe zfs # ensure zfs module is loaded - -echo ""; echo "### Creating Boot Pool" -# shellcheck disable=SC2046 -zpool create -d \ - -o feature@async_destroy=enabled \ - -o feature@bookmarks=enabled \ - -o feature@embedded_data=enabled \ - -o feature@empty_bpobj=enabled \ - -o feature@enabled_txg=enabled \ - -o feature@extensible_dataset=enabled \ - -o feature@filesystem_limits=enabled \ - -o feature@hole_birth=enabled \ - -o feature@large_blocks=enabled \ - -o feature@lz4_compress=enabled \ - -o feature@spacemap_histogram=enabled \ - -o ashift=12 \ - -o autotrim=on \ - -O acltype=posixacl \ - -O canmount=off \ - -O compression=lz4 \ - -O devices=off \ - -O normalization=formD \ - -O relatime=on \ - -O xattr=sa \ - -O mountpoint=/boot \ - -R "${MNT}" \ - bpool \ - $(for i in ${DISK}; do - printf '%s ' "${i}-part2"; - done) - -echo ""; echo "### Creating Root Pool" -# shellcheck disable=SC2046 -zpool create \ - -o ashift=12 \ - -o autotrim=on \ - -R "${MNT}" \ - -O acltype=posixacl \ - -O canmount=off \ - -O compression=zstd \ - -O dnodesize=auto \ - -O normalization=formD \ - -O relatime=on \ - -O xattr=sa \ - -O mountpoint=/ \ - rpool \ - $(for i in ${DISK}; do - printf '%s ' "${i}-part3"; - done) - -echo ""; echo "### Creating Unencrypted Root System Container" -# create UNENCRYPTED root system container -zfs create \ - -o canmount=off \ - -o mountpoint=none \ -rpool/archlinux - -# --------------------- Create System Datasets -------------------- -echo ""; echo "### Creating System Datasets" -zfs create -o canmount=noauto -o mountpoint=/ rpool/archlinux/root -zfs mount rpool/archlinux/root -zfs create -o mountpoint=legacy rpool/archlinux/home -mkdir "${MNT}"/home -mount -t zfs rpool/archlinux/home "${MNT}"/home -zfs create -o mountpoint=legacy rpool/archlinux/var -zfs create -o mountpoint=legacy rpool/archlinux/var/lib -zfs create -o mountpoint=legacy rpool/archlinux/var/log -zfs create -o mountpoint=none bpool/archlinux -zfs create -o mountpoint=legacy bpool/archlinux/root -mkdir "${MNT}"/boot -mount -t zfs bpool/archlinux/root "${MNT}"/boot -mkdir -p "${MNT}"/var/log -mkdir -p "${MNT}"/var/lib -mount -t zfs rpool/archlinux/var/lib "${MNT}"/var/lib -mount -t zfs rpool/archlinux/var/log "${MNT}"/var/log - -# ---------------------- Format And Mount ESP --------------------- -echo ""; echo "### Format And Mount ESP" -for i in ${DISK}; do - mkfs.vfat -n EFI "${i}"-part1 - mkdir -p "${MNT}"/boot/efis/"${i##*/}"-part1 - mount -t vfat -o iocharset=iso8859-1 "${i}"-part1 "${MNT}"/boot/efis/"${i##*/}"-part1 -done - -mkdir -p "${MNT}"/boot/efi -mount -t vfat -o iocharset=iso8859-1 "$(echo "${DISK}" | sed "s|^ *||" | cut -f1 -d' '|| true)"-part1 "${MNT}"/boot/efi - -### -------------------------- Install Base ------------------------- -echo ""; echo "### Installing Base" -# install packages with pacstrap -pacstrap "${MNT}" \ - base \ - base-devel \ - dkms \ - efibootmgr \ - git \ - grub \ - intel-ucode \ - linux-firmware \ - linux-lts \ - linux-lts-headers \ - man-db \ - man-pages \ - vi - -# create fstab and remove all zroot entries -genfstab -U -p "${MNT}" >> "${MNT}"/etc/fstab -sed -i '/^# zroot/d' "${MNT}"/etc/fstab -sed -i '/^zroot/d' "${MNT}"/etc/fstab -sed -i '/^$/d' "${MNT}"/etc/fstab -echo "" >> "${MNT}"/etc/fstab # one blank line at the end - -# copy over dns settings to the new system -cp -v /etc/resolv.conf "${MNT}"/etc - -# copy stage2 script to the new system -cp ./stage2.sh "${MNT}"/root - -# ----------------------------- Chroot ---------------------------- - -echo ""; echo "Done with Stage One" -chroot "${MNT}" /usr/bin/env DISK="${DISK}" /root/stage2.sh - -# -------------------------- After Chroot ------------------------- - -umount -Rl "${MNT}" -zfs snapshot -r rpool@initial-installation -zfs snapshot -r bpool@initial-installation - -zpool export -a - -echo ""; echo "Done with Stage Two" |