hosts/courge/Makefile

   1 #cwd := $(notdir $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST))))))
   2 hostName    := courge
   3 disk_ssd    := /dev/disk/by-id/FIXME
   4 zpool       := $(hostName)
   5 cipher      := aes-128-gcm
   6 autotrim    := on
   7 reservation := 1G
   8 compression := zstd
   9
  10 machine-id.clear:
  11         touch -a $@
  12         sudo unshare --mount sh -xc 'mount --bind $@ /etc/machine-id && systemd-machine-id-setup'
  13 credential.secret: machine-id.clear
  14         sudo unshare --mount sh -xc 'mount --bind machine-id.clear /etc/machine-id && mount --bind . /var/lib/systemd && systemd-creds setup'
  15 credential.secret.gpg: credential.secret
  16         sudo chown $(USER) credential.secret
  17         gpg --encrypt $(shell printf -- ' -r %s' $$(cat .gpg-id)) credential.secret
  18         shred -fu $<
  19
  20 ssh/host.key ssh/host.key.pub:
  21         mkdir -p $(@D)
  22         ssh-keygen -t ed25519 -f $@
  23 ssh/host.key.gpg: ssh/host.key
  24         gpg --encrypt $(shell printf -- ' -r %s' $$(cat .gpg-id)) $<
  25         shred -fu $<
  26 ssh/host.key.cred: ssh/host.key.gpg
  27         ../gpg2cred-local.sh $< host.key
  28
  29 wipe:
  30         sudo modprobe zfs
  31         sudo zpool labelclear -f /dev/disk/by-partlabel/$(hostName)_ssd_zpool || true
  32         sudo $$(which sgdisk) --zap-all $(disk_ssd)
  33
  34 part: wipe
  35         # https://wiki.archlinux.org/index.php/BIOS_boot_partition
  36         #sudo $$(which sgdisk) -a1 -n0:34:2047  -t0:EF02 -c0:"$(hostName)_ssd_bios"  $(disk_ssd)
  37         sudo $$(which sgdisk)     -n0::+256M  -t0:EF00 -c0:"$(hostName)_ssd_efi"   $(disk_ssd)
  38         #sudo $$(which sgdisk)     -n0:0:+256M  -t0:8300 -c0:"$(hostName)_ssd_boot"  $(disk_ssd)
  39         sudo $$(which sgdisk)     -n0:0:+4G    -t0:8200 -c0:"$(hostName)_ssd_swap"  $(disk_ssd)
  40         sudo $$(which sgdisk)     -n0:0:0      -t0:BF01 -c0:"$(hostName)_ssd_zpool" $(disk_ssd)
  41         # https://wiki.archlinux.org/index.php/Partitioning#Tricking_old_BIOS_into_booting_from_GPT
  42         #printf '\200\0\0\0\0\0\0\0\0\0\0\0\001\0\0\0' | sudo dd of=$(disk_ssd) bs=1 seek=462
  43         sudo $$(which sgdisk) --randomize-guids $(disk_ssd)
  44         sudo $$(which sgdisk) --backup=$(hostName)_ssd.sgdisk $(disk_ssd)
  45         sudo partprobe
  46         sudo udevadm settle
  47
  48 format: umount format-efi format-zpool
  49 format-efi:
  50         sudo blkid /dev/disk/by-partlabel/$(hostName)_ssd_efi -t TYPE=vfat || \
  51         sudo mkfs.vfat -F 32 -s 1 -n EFI /dev/disk/by-partlabel/$(hostName)_ssd_efi
  52 format-zpool:
  53         sudo zpool list $(zpool) 2>/dev/null || \
  54         sudo zpool create -o ashift=12 \
  55          -O utf8only=yes \
  56          $(if $(cipher),-O encryption=$(cipher) \
  57          -O keyformat=passphrase \
  58          -O keylocation=prompt) \
  59          -R /mnt/$(hostName) $(zpool) /dev/disk/by-partlabel/$(hostName)_ssd_zpool
  60         sudo zpool set \
  61          autotrim=$(autotrim) \
  62          $(zpool)
  63         sudo zfs set \
  64          acltype=off \
  65          atime=off \
  66          canmount=off \
  67          compression=$(compression) \
  68          dnodesize=auto \
  69          relatime=on \
  70          xattr=off \
  71          mountpoint=none \
  72          $(zpool)
  73         # https://nixos.wiki/wiki/NixOS_on_ZFS#Reservations
  74         sudo zfs list $(zpool)/reserved 2>/dev/null || \
  75         sudo zfs create -o canmount=off -o mountpoint=none $(zpool)/reserved
  76         sudo zfs set refreservation=$(reservation) $(zpool)/reserved
  77         # /
  78         sudo zfs list $(zpool)/root 2>/dev/null || \
  79         sudo zfs create -o canmount=on -o mountpoint=/ $(zpool)/root
  80         # /*
  81         for p in nix home var; do \
  82                 sudo zfs list $(zpool)/root/"$$p" 2>/dev/null || \
  83                 sudo zfs create $(zpool)/root/"$$p" ; \
  84          done
  85         #sudo zfs set sync=disabled $(zpool)/root/var/tmp
  86         #sudo zfs set copies=2 $(zpool)/root/home/files
  87
  88 mount: mount-zpool mount-efi
  89 mount-zpool:
  90         # scan needed zpools
  91         sudo zpool list $(zpool) || \
  92         sudo zpool import -f $(zpool)
  93         # load encryption key
  94         sudo zfs get -H encryption $(zpool)/root | \
  95         grep -q '^$(zpool)/root\s*encryption\s*off' || \
  96         sudo zfs get -H keystatus $(zpool)/root | \
  97         grep -q '^$(zpool)/root\s*keystatus\s*available' || \
  98         sudo zfs load-key $(zpool)/root
  99         # /
 100         sudo mkdir -p /mnt/$(hostName)
 101         sudo mountpoint /mnt/$(hostName) || \
 102         sudo mount -v -o zfsutil -t zfs $(zpool) /mnt/$(hostName)
 103         # /*
 104         for p in nix var ; do \
 105                 sudo mkdir -p /mnt/$(hostName)/"$$p"; \
 106                 sudo mountpoint /mnt/$(hostName)/"$$p" || \
 107                 sudo mount -v -o zfsutil -t zfs $(zpool)/"$$p" /mnt/$(hostName)/"$$p" ; \
 108          done
 109         #sudo chmod 1777 /mnt/$(hostName)/var/tmp
 110 mount-efi:
 111         sudo mkdir -p /mnt/$(hostName)/boot/efi
 112         sudo mountpoint /mnt/$(hostName)/boot/efi || \
 113         sudo mount -v /dev/disk/by-partlabel/$(hostName)_ssd_efi /mnt/$(hostName)/boot/efi
 114
 115 bootstrap: mount
 116         # Workaround https://dev.gnupg.org/T3908
 117         chmod o+rw $$GPG_TTY $$XAUTHORITY
 118
 119         sudo --preserve-env \
 120         $$(which nixos-install) \
 121          --root /mnt/$(hostName) \
 122          --flake '.#$(hostName)' \
 123          --no-root-passwd \
 124          --no-channel-copy \
 125          --option allow-import-from-derivation true \
 126          --show-trace
 127
 128         # End workaround https://dev.gnupg.org/T3908
 129         chmod o-rw $$GPG_TTY $$XAUTHORITY
 130
 131 umount:
 132         for p in \
 133          boot/efi \
 134          boot \
 135          nix \
 136          var \
 137          "" \
 138          ; do \
 139                 ! sudo mountpoint /mnt/$(hostName)/"$$p" || \
 140                 sudo umount -v /mnt/$(hostName)/"$$p" ; \
 141          done
 142         ! sudo zpool list $(zpool) 2>/dev/null || \
 143         zfs get -H encryption $(zpool) | \
 144         grep -q '^$(zpool)\s*encryption\s*off' || \
 145         zfs get -H keystatus $(zpool) | \
 146         grep -q '^$(zpool)\s*keystatus\s*unavailable' || \
 147         sudo zfs unload-key $(zpool)
 148         #! sudo zpool list bpool 2>/dev/null || \
 149         #sudo zpool export bpool
 150         ! sudo zpool list $(zpool) 2>/dev/null || \
 151         sudo zpool export $(zpool)