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remove old generations
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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 machine := patate200
5 disk_ssd := /dev/disk/by-id/ata-CT250MX500SSD1_2004E2849DD1
6 zpool := $(machine)
7 cipher := aes-128-gcm
8 autotrim := on
9 reservation := 1G
10
11 wipe:
12 sudo modprobe zfs
13 sudo zpool labelclear -f /dev/disk/by-partlabel/$(machine)_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:"$(machine)_ssd_bios" $(disk_ssd)
19 sudo $$(which sgdisk) -n0:1M:+32M -t0:EF00 -c0:"$(machine)_ssd_efi" $(disk_ssd)
20 sudo $$(which sgdisk) -n0:0:+256M -t0:8300 -c0:"$(machine)_ssd_boot" $(disk_ssd)
21 sudo $$(which sgdisk) -n0:0:+4G -t0:8200 -c0:"$(machine)_ssd_swap" $(disk_ssd)
22 sudo $$(which sgdisk) -n0:0:0 -t0:BF01 -c0:"$(machine)_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=$(machine)_ssd.sgdisk $(disk_ssd)
27
28 format: umount format-efi format-boot format-zpool
29 format-efi:
30 sudo blkid /dev/disk/by-partlabel/$(machine)_ssd_efi -t TYPE=vfat || \
31 sudo mkfs.vfat -F 16 -s 1 -n EFI /dev/disk/by-partlabel/$(machine)_ssd_efi
32 format-boot:
33 sudo mkdir -p /mnt/$(machine)
34 sudo blkid -t TYPE=ext2 /dev/disk/by-partlabel/$(machine)_ssd_boot; test $$? != 2 || \
35 sudo mkfs.ext2 /dev/disk/by-partlabel/$(machine)_ssd_boot
36 format-zpool:
37 sudo zpool list $(zpool) 2>/dev/null || \
38 sudo zpool create -o ashift=12 \
39 $(if $(cipher),-O encryption=$(cipher) \
40 -O keyformat=passphrase \
41 -O keylocation=prompt) \
42 -R /mnt/$(machine) $(zpool) /dev/disk/by-partlabel/$(machine)_ssd_zpool
43 sudo zpool set \
44 autotrim=$(autotrim) \
45 $(zpool)
46 sudo zfs set \
47 acltype=off \
48 atime=off \
49 canmount=off \
50 compression=lz4 \
51 dnodesize=auto \
52 relatime=on \
53 xattr=off \
54 mountpoint=/ \
55 $(zpool)
56 # https://nixos.wiki/wiki/NixOS_on_ZFS#Reservations
57 sudo zfs list $(zpool)/reserved 2>/dev/null || \
58 sudo zfs create -o canmount=off -o mountpoint=none $(zpool)/reserved
59 sudo zfs set refreservation=$(reservation) $(zpool)/reserved
60 # /
61 # mountpoint=legacy is required to let NixOS mount the ZFS filesystems.
62 sudo zfs list $(zpool)/root 2>/dev/null || \
63 sudo zfs create \
64 -o canmount=on \
65 -o mountpoint=legacy \
66 $(zpool)/root
67 # /*
68 for p in \
69 home \
70 home/documents \
71 nix \
72 var \
73 var/cache \
74 var/log \
75 var/tmp \
76 ; do \
77 sudo zfs list $(zpool)/"$$p" 2>/dev/null || \
78 sudo zfs create \
79 -o canmount=on \
80 -o mountpoint=legacy \
81 $(zpool)/"$$p" ; \
82 done
83 sudo zfs set sync=disabled $(zpool)/var/tmp
84 sudo zfs set copies=2 $(zpool)/home/documents
85
86 mount: mount-zpool mount-boot mount-efi
87 mount-zpool:
88 # scan needed zpools
89 sudo zpool list $(zpool) || \
90 sudo zpool import -f $(zpool)
91 # load encryption key
92 sudo zfs get -H encryption $(zpool) | \
93 grep -q '^$(zpool)\s*encryption\s*off' || \
94 sudo zfs get -H keystatus $(zpool) | \
95 grep -q '^$(zpool)\s*keystatus\s*available' || \
96 sudo zfs load-key $(zpool)
97 # /
98 sudo mkdir -p /mnt/$(machine)
99 sudo mountpoint /mnt/$(machine) || \
100 sudo mount -v -t zfs $(zpool)/root /mnt/$(machine)
101 # /*
102 for p in \
103 home \
104 nix \
105 var \
106 var/cache \
107 var/log \
108 var/tmp \
109 ; do \
110 sudo mkdir -p /mnt/$(machine)/"$$p"; \
111 sudo mountpoint /mnt/$(machine)/"$$p" || \
112 sudo mount -v -t zfs $(zpool)/"$$p" /mnt/$(machine)/"$$p" ; \
113 done
114 sudo chmod 1777 /mnt/$(machine)/var/tmp
115 mount-boot:
116 sudo mkdir -p /mnt/$(machine)/boot
117 sudo mountpoint /mnt/$(machine)/boot || \
118 sudo mount -v /dev/disk/by-partlabel/$(machine)_ssd_boot /mnt/$(machine)/boot
119 #sudo mount -v -t zfs bpool/boot /mnt/$(machine)/boot
120 mount-efi: | mount-boot
121 sudo mkdir -p /mnt/$(machine)/boot/efi
122 sudo mountpoint /mnt/$(machine)/boot/efi || \
123 sudo mount -v /dev/disk/by-partlabel/$(machine)_ssd_efi /mnt/$(machine)/boot/efi
124
125 bootstrap: mount
126 # Workaround https://dev.gnupg.org/T3908
127 chmod o+rw $$GPG_TTY $$XAUTHORITY
128
129 sudo --preserve-env \
130 $$(which nixos-install) \
131 --root /mnt/$(machine) \
132 --flake '.#$(machine)' \
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/$(machine)/"$$p" || \
154 sudo umount -v /mnt/$(machine)/"$$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 $(zpool)
166
167 unlock:
168 pass machines/$(machine)/zfs/zpool | \
169 NIXOPS_DEPLOYMENT="$${NIXOPS_DEPLOYMENT:-$(LOSURDO_DEPLOYMENT)}" \
170 nixops ssh $(machine) -p 2222 'zfs load-key $(zpool) && pkill zfs'