146 lines
3.8 KiB
Makefile
146 lines
3.8 KiB
Makefile
ifeq ($(shell $(MAKE) -v | grep GNU),)
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$(error I need gnumake not bsdmake)
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endif
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REQUIRED_V := 3.82
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ifneq ($(REQUIRED_V),$(firstword $(sort $(MAKE_VERSION) $(REQUIRED_V))))
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$(error For .ONESHELL to work I need at least version $(REQUIRED_V))
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endif
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.PHONY: format \
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partitios
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configure_boot \
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configure_luks \
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configure_lvm \
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format_swap \
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format_zpool \
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mount \
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nix_install \
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install
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include .env
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ifndef DRIVE
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$(error Missing Drive Argument)
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endif
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.ONESHELL:
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format:
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$(info clearing disk)
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sgdisk --zap-all "$(DRIVE)"
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partprobe "$(DRIVE)" >/dev/null || true
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partition:
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$(info partition drive into boot & luks partition)
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sgdisk -n 0:0:+300MiB -t 0:ea00 -c 0:boot "$(DRIVE)"
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sgdisk -n 0:0:0 -t 0:8300 -c 0:crypt "$(DRIVE)"
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partprobe "$(DRIVE)" >/dev/null || true
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configure_boot:
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$(info setting up boot drive)
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sleep 4
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partprobe "$(DRIVE)" >/dev/null || true
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mkfs.vfat /dev/disk/by-partlabel/boot
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configure_luks:
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$(info setting up luks)
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dd if=/dev/urandom of=/tmp/keyfile bs=1k count=8
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echo "YES" | cryptsetup luksFormat \
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/dev/disk/by-partlabel/crypt \
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--key-size 512 \
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--hash sha512 \
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--key-file /tmp/keyfile
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echo $(PASSPHRASE) | cryptsetup luksAddKey \
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/dev/disk/by-partlabel/crypt \
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--key-file /tmp/keyfile
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cryptsetup luksOpen /dev/disk/by-partlabel/crypt root
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cryptsetup luksRemoveKey /dev/disk/by-partlabel/crypt /tmp/keyfile
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configure_lvm:
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$(info Setting up LVM 10G for swap the rest for lvm_root)
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pvcreate "/dev/mapper/root"
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vgcreate "partitions" "/dev/mapper/root"
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lvcreate -L 10G -n swap "partitions"
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lvcreate -l 100%FREE -n lvm_root "partitions"
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format_swap:
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$(info making swap)
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mkswap -L swap /dev/partitions/swap
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format_zpool:
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$(info making zfs part)
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zpool create \
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-O atime=on \
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-O relatime=on \
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-O compression=lz4 \
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-O snapdir=visible \
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-O xattr=sa \
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-o ashift=12 \
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-o altroot=/mnt \
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rpool \
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/dev/partitions/lvm_root
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zfs create -o mountpoint=none rpool/root
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zfs create -o mountpoint=legacy rpool/root/nixos
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zfs create -o copies=2 -o mountpoint=legacy rpool/home
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zpool set bootfs=rpool/root/nixos rpool
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zfs set com.sun:auto-snapshot=true rpool/home
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mount:
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$(info mounting devices)
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mkswap -L swap /dev/partitions/swap
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swapon /dev/partitions/swap
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mount -t zfs rpool/root/nixos /mnt
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mkdir -p /mnt/{home,boot}
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mount -t zfs rpool/home /mnt/home
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mount /dev/disk/by-partlabel/boot /mnt/boot
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nix_install:
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nixos-generate-config --root /mnt
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cat << EOF > /mnt/etc/nixos/zfs.nix
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# /etc/nixos/zfs.nix (Don't forget to add it to configuration.nix)
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# These are the options ZFS requires, but a normal system has, of course,
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# more options (like a bootloader, or installed software).
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{ config, pkgs, ... }:
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{
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# remove this after 1st boot
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# see https://nixos.org/nixos/options.html#boot.zfs.forceimportroot
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boot.kernelParams = ["zfs_force=1"];
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boot.zfs.forceImportRoot = false;
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boot.zfs.forceImportAll = false;
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boot.supportedFilesystems = [ "zfs" ];
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services.zfs.autoScrub.enable = true;
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# this enables the zfs-auto-snapshot
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services.zfs.autoSnapshot = {
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enable = true;
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flags = "-k -p --utc";
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};
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}
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EOF
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install: | format \
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partition \
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configure_boot \
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configure_luks \
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configure_lvm \
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format_swap \
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format_zpool \
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mount \
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nix_install
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echo:
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echo $(PASSPHRASE)
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echo $(DRIVE)
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remove:
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swapoff /dev/partitions/swap >/dev/null || true
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umount /mnt/home >/dev/null || true
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umount /mnt/boot >/dev/null || true
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umount /mnt/rpool >/dev/null || true
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umount /mnt >/dev/null || true
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yes | lvremove /dev/partitions/* >/dev/null || true
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cryptsetup close root >/dev/null || true
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partprobe "$(DRIVE)" >/dev/null || true
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