hosts/patate/Makefile

   1 #cwd := $(notdir $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST))))))
   2 #disk       := /dev/disk/by-id/usb-Generic-_Multi-Card_20071114173400000-0:0
   3 #disk       := /dev/disk/by-id/nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNJ0N211426T
   4 hostName    := patate
   5 disk_ssd    := /dev/disk/by-id/ata-CT250MX500SSD1_2004E2849DD1
   6 zpool       := $(hostName)
   7 cipher      := aes-128-gcm
   8 autotrim    := on
   9 reservation := 1G
  10
  11 wipe:
  12         sudo modprobe zfs
  13         sudo zpool labelclear -f /dev/disk/by-partlabel/$(hostName)_ssd_zpool || true
  14         sudo $$(which sgdisk) --zap-all $(disk_ssd)
  15
  16 part: wipe
  17         # https://wiki.archlinux.org/index.php/BIOS_boot_partition
  18         sudo $$(which sgdisk) -a1 -n0:34:2047  -t0:EF02 -c0:"$(hostName)_ssd_bios"  $(disk_ssd)
  19         sudo $$(which sgdisk)     -n0:1M:+32M  -t0:EF00 -c0:"$(hostName)_ssd_efi"   $(disk_ssd)
  20         sudo $$(which sgdisk)     -n0:0:+256M  -t0:8300 -c0:"$(hostName)_ssd_boot"  $(disk_ssd)
  21         sudo $$(which sgdisk)     -n0:0:+4G    -t0:8200 -c0:"$(hostName)_ssd_swap"  $(disk_ssd)
  22         sudo $$(which sgdisk)     -n0:0:0      -t0:BF01 -c0:"$(hostName)_ssd_zpool" $(disk_ssd)
  23         # https://wiki.archlinux.org/index.php/Partitioning#Tricking_old_BIOS_into_booting_from_GPT
  24         printf '\200\0\0\0\0\0\0\0\0\0\0\0\001\0\0\0' | sudo dd of=$(disk_ssd) bs=1 seek=462
  25         sudo $$(which sgdisk) --randomize-guids $(disk_ssd)
  26         sudo $$(which sgdisk) --backup=$(hostName)_ssd.sgdisk $(disk_ssd)
  27
  28 format: umount format-efi format-boot format-zpool
  29 format-efi:
  30         sudo blkid /dev/disk/by-partlabel/$(hostName)_ssd_efi -t TYPE=vfat || \
  31         sudo mkfs.vfat -F 16 -s 1 -n EFI /dev/disk/by-partlabel/$(hostName)_ssd_efi
  32 format-boot:
  33         sudo mkdir -p /mnt/$(hostName)
  34         sudo blkid -t TYPE=ext2 /dev/disk/by-partlabel/$(hostName)_ssd_boot; test $$? != 2 || \
  35         sudo mkfs.ext2 /dev/disk/by-partlabel/$(hostName)_ssd_boot
  36 format-zpool:
  37         sudo zpool list $(zpool) 2>/dev/null || \
  38         sudo zpool create -o ashift=12 \
  39          $(if $(cipher),-O encryption=$(cipher) \
  40          -O keyformat=passphrase \
  41          -O keylocation=prompt) \
  42          -R /mnt/$(hostName) $(zpool) /dev/disk/by-partlabel/$(hostName)_ssd_zpool
  43         sudo zpool set \
  44          autotrim=$(autotrim) \
  45          $(zpool)
  46         sudo zfs set \
  47          acltype=off \
  48          atime=off \
  49          canmount=off \
  50          compression=lz4 \
  51          dnodesize=auto \
  52          relatime=on \
  53          xattr=off \
  54          mountpoint=/ \
  55          $(zpool)
  56         # https://nixos.wiki/wiki/NixOS_on_ZFS#Reservations
  57         sudo zfs list $(zpool)/reserved 2>/dev/null || \
  58         sudo zfs create -o canmount=off -o mountpoint=none $(zpool)/reserved
  59         sudo zfs set refreservation=$(reservation) $(zpool)/reserved
  60         # /
  61         # mountpoint=legacy is required to let NixOS mount the ZFS filesystems.
  62         sudo zfs list $(zpool)/root 2>/dev/null || \
  63         sudo zfs create \
  64          -o canmount=on \
  65          -o mountpoint=legacy \
  66          $(zpool)/root
  67         # /*
  68         for p in \
  69          home \
  70          home/documents \
  71          nix \
  72          var \
  73          var/cache \
  74          var/log \
  75          var/tmp \
  76          ; do \
  77                 sudo zfs list $(zpool)/"$$p" 2>/dev/null || \
  78                 sudo zfs create \
  79                  -o canmount=on \
  80                  -o mountpoint=legacy \
  81                  $(zpool)/"$$p" ; \
  82          done
  83         sudo zfs set sync=disabled $(zpool)/var/tmp
  84         sudo zfs set copies=2 $(zpool)/home/documents
  85
  86 mount: mount-zpool mount-boot mount-efi
  87 mount-zpool:
  88         # scan needed zpools
  89         sudo zpool list $(zpool) || \
  90         sudo zpool import -f $(zpool)
  91         # load encryption key
  92         sudo zfs get -H encryption $(zpool) | \
  93         grep -q '^$(zpool)\s*encryption\s*off' || \
  94         sudo zfs get -H keystatus $(zpool) | \
  95         grep -q '^$(zpool)\s*keystatus\s*available' || \
  96         sudo zfs load-key $(zpool)
  97         # /
  98         sudo mkdir -p /mnt/$(hostName)
  99         sudo mountpoint /mnt/$(hostName) || \
 100         sudo mount -v -t zfs $(zpool)/root /mnt/$(hostName)
 101         # /*
 102         for p in \
 103          home \
 104          nix \
 105          var \
 106          var/cache \
 107          var/log \
 108          var/tmp \
 109          ; do \
 110                 sudo mkdir -p /mnt/$(hostName)/"$$p"; \
 111                 sudo mountpoint /mnt/$(hostName)/"$$p" || \
 112                 sudo mount -v -t zfs $(zpool)/"$$p" /mnt/$(hostName)/"$$p" ; \
 113          done
 114         sudo chmod 1777 /mnt/$(hostName)/var/tmp
 115 mount-boot:
 116         sudo mkdir -p /mnt/$(hostName)/boot
 117         sudo mountpoint /mnt/$(hostName)/boot || \
 118         sudo mount -v /dev/disk/by-partlabel/$(hostName)_ssd_boot /mnt/$(hostName)/boot
 119         #sudo mount -v -t zfs bpool/boot /mnt/$(hostName)/boot
 120 mount-efi: | mount-boot
 121         sudo mkdir -p /mnt/$(hostName)/boot/efi
 122         sudo mountpoint /mnt/$(hostName)/boot/efi || \
 123         sudo mount -v /dev/disk/by-partlabel/$(hostName)_ssd_efi /mnt/$(hostName)/boot/efi
 124
 125 bootstrap: mount
 126         # Workaround https://dev.gnupg.org/T3908
 127         chmod o+rw $$GPG_TTY $$XAUTHORITY
 128
 129         sudo --preserve-env \
 130         $$(which nixos-install) \
 131          --root /mnt/$(hostName) \
 132          --flake '.#$(hostName)' \
 133          --no-root-passwd \
 134          --no-channel-copy \
 135          --show-trace
 136
 137         # End workaround https://dev.gnupg.org/T3908
 138         chmod o-rw $$GPG_TTY $$XAUTHORITY
 139
 140 umount:
 141         for p in \
 142          boot/efi \
 143          boot \
 144          home \
 145          home/documents \
 146          nix \
 147          var/cache \
 148          var/log \
 149          var/tmp \
 150          var \
 151          "" \
 152          ; do \
 153                 ! sudo mountpoint /mnt/$(hostName)/"$$p" || \
 154                 sudo umount -v /mnt/$(hostName)/"$$p" ; \
 155          done
 156         ! sudo zpool list $(zpool) 2>/dev/null || \
 157         zfs get -H encryption $(zpool) | \
 158         grep -q '^$(zpool)\s*encryption\s*off' || \
 159         zfs get -H keystatus $(zpool) | \
 160         grep -q '^$(zpool)\s*keystatus\s*unavailable' || \
 161         sudo zfs unload-key $(zpool)
 162         #! sudo zpool list bpool 2>/dev/null || \
 163         #sudo zpool export bpool
 164         ! sudo zpool list $(zpool) 2>/dev/null || \
 165         sudo zpool export $(zpool)