c3d2/nix-config
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nix-config
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disko: use disko for config.fileSystems 

because nixos-generate-config does not handle our complex setup :(
This commit is contained in:
Sandro - 2023-05-20 04:37:42 +02:00
parent 23a1aecaf5
commit 815a379ddb
Signed by: sandro
GPG Key ID: 3AF5A43A3EECC2E5
1 changed files with 118 additions and 121 deletions
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239
modules/disko.nix
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@ -64,133 +64,130 @@ in
]) ])
cfg.disks)); cfg.disks));
disko = { disko.devices = lib.mkIf (cfg.disks != [ ]) (lib.head (map
devices = lib.mkIf (cfg.disks != [ ]) (lib.head (map (disk:
(disk: let
let diskName = if disk.name != "" then "-${disk.name}" else "";
diskName = if disk.name != "" then "-${disk.name}" else ""; luksName = "crypt-${config.networking.hostName}${diskName}";
luksName = "crypt-${config.networking.hostName}${diskName}"; rootSize = 200; # size of the zfs partition if inside of lvm
rootSize = 200; # size of the zfs partition if inside of lvm vgName = "lvm-${config.networking.hostName}${diskName}";
vgName = "lvm-${config.networking.hostName}${diskName}"; zfs = {
zfs = { size = if (!disk.withCeph) then "100%FREE" else "${toString rootSize}GiB";
size = if (!disk.withCeph) then "100%FREE" else "${toString rootSize}GiB"; content = {
content = { pool = zfsName;
pool = zfsName; type = "zfs";
type = "zfs";
};
}; };
zfsName = "${config.networking.hostName}${diskName}"; };
in zfsName = "${config.networking.hostName}${diskName}";
{ in
disk.${disk.device} = { {
inherit (disk) device; disk.${disk.device} = {
type = "disk"; inherit (disk) device;
content = { type = "disk";
type = "table"; content = {
format = "gpt"; type = "table";
partitions = lib.optional disk.withZfs format = "gpt";
{ partitions = lib.optional disk.withZfs
name = "ESP"; {
start = "1MiB"; name = "ESP";
end = "512MiB"; start = "1MiB";
bootable = true; end = "512MiB";
content = { bootable = true;
type = "filesystem"; content = {
format = "vfat"; type = "filesystem";
mountpoint = "/boot"; format = "vfat";
}; mountpoint = "/boot";
} ++ [ };
{ } ++ [
name = "root"; {
start = if disk.withZfs then "512MiB" else "1MiB"; name = "root";
end = "100%"; start = if disk.withZfs then "512MiB" else "1MiB";
part-type = "primary"; end = "100%";
content = lib.optionalAttrs disk.withLuks part-type = "primary";
{ content = lib.optionalAttrs disk.withLuks
type = "luks"; {
name = luksName; type = "luks";
# TODO: add password, otherwise prompt opens name = luksName;
keyFile = "/$PWD/keyFile"; # TODO: add password, otherwise prompt opens
content = { keyFile = "/$PWD/keyFile";
type = "lvm_pv"; content = {
vg = vgName; type = "lvm_pv";
}; vg = vgName;
} // lib.optionalAttrs (!disk.withLuks) zfs.content; };
} } // lib.optionalAttrs (!disk.withLuks) zfs.content;
]; }
}; ];
}; };
} // lib.optionalAttrs disk.withLuks { };
lvm_vg.${vgName} = { } // lib.optionalAttrs disk.withLuks {
type = "lvm_vg"; lvm_vg.${vgName} = {
lvs = lib.optionalAttrs disk.withCeph { type = "lvm_vg";
lvs = lib.optionalAttrs disk.withCeph
{
ceph.size = "100%FREE"; ceph.size = "100%FREE";
} // lib.optionalAttrs disk.withZfs { inherit zfs; }; } // lib.optionalAttrs disk.withZfs { inherit zfs; };
};
} // {
zpool.${zfsName} = {
type = "zpool";
mountpoint = "/";
rootFsOptions.acltype = "posixacl";
options = {
ashift = "12";
autotrim = "on";
}; };
} // { datasets =
zpool.${zfsName} = { let
type = "zpool"; dataset = mountpoint: {
mountpoint = null; options = {
rootFsOptions.acltype = "posixacl"; canmount = "on";
options = { compression = "zstd";
ashift = "12"; dnodesize = "auto";
autotrim = "on"; normalization = "formD";
}; xattr = "sa";
datasets = inherit mountpoint;
let
dataset = mountpoint: {
options = {
canmount = "on";
compression = "zstd";
dnodesize = "auto";
normalization = "formD";
xattr = "sa";
inherit mountpoint;
};
type = "zfs_fs";
};
in
{
"data" = dataset "/";
"data/etc" = dataset "/etc";
"data/home" = dataset "/home";
"data/var" = dataset "/var";
# used by services.postgresqlBackup and later by restic
"data/var/backup" = dataset "/var/backup";
"data/var/lib" = dataset "/var/lib";
"data/var/log" = dataset "/var/log";
"nixos" = {
options = {
canmount = "off";
mountpoint = "none";
};
type = "zfs_fs";
};
"nixos/nix" = dataset "/nix";
"nixos/nix/store" = {
options = {
atime = "off";
canmount = "on";
mountpoint = "/nix/store";
};
type = "zfs_fs";
};
"nixos/nix/var" = dataset "/nix/var";
"reserved" = {
# zfs uses copy on write and requires some free space to delete files when the disk is completely filled
options = {
canmount = "off";
mountpoint = "none";
reservation = "5GiB";
};
type = "zfs_fs";
}; };
type = "zfs_fs";
}; };
}; in
}) {
cfg.disks)); "data" = dataset "/";
# we use our own hardware-configuration.nix "data/etc" = dataset "/etc";
enableConfig = false; "data/home" = dataset "/home";
}; "data/var" = dataset "/var";
# used by services.postgresqlBackup and later by restic
"data/var/backup" = dataset "/var/backup";
"data/var/lib" = dataset "/var/lib";
"data/var/log" = dataset "/var/log";
"nixos" = {
options = {
canmount = "off";
mountpoint = "none";
};
type = "zfs_fs";
};
"nixos/nix" = dataset "/nix";
"nixos/nix/store" = {
options = {
atime = "off";
canmount = "on";
mountpoint = "/nix/store";
};
type = "zfs_fs";
};
"nixos/nix/var" = dataset "/nix/var";
"reserved" = {
# zfs uses copy on write and requires some free space to delete files when the disk is completely filled
options = {
canmount = "off";
mountpoint = "none";
reservation = "5GiB";
};
type = "zfs_fs";
};
};
};
})
cfg.disks));
}; };
} }