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add lvm raid

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This commit is contained in:
lassulus 2022-08-25 18:36:56 +02:00
parent 0ffaac7913
commit dadc491330
4 changed files with 168 additions and 49 deletions
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43
default.nix
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@ -52,10 +52,10 @@ let
boot.initrd.luks.devices.${x.name}.device = q.device;
} // config-f { device = "/dev/mapper/${x.name}"; } x.content;
config.lv = q: x:
config-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content;
config.lvm_lv = q: x:
config-f { device = "/dev/${q.vgname}/${q.name}"; } x.content;
config.lvm = q: x:
config.lvm_vg = q: x:
foldl' recursiveUpdate {} (mapAttrsToList (name: config-f { inherit name; vgname = x.name; }) x.lvs);
config.noop = q: x: {};
@ -74,8 +74,8 @@ let
'';
create.devices = q: x: let
raid-devices = lib.filterAttrs (_: dev: dev.type == "mdadm" || dev.type == "zpool") x.content;
other-devices = lib.filterAttrs (_: dev: dev.type != "mdadm" && dev.type != "zpool") x.content;
raid-devices = lib.filterAttrs (_: dev: dev.type == "mdadm" || dev.type == "zpool" || dev.type == "lvm_vg") x.content;
other-devices = lib.filterAttrs (_: dev: dev.type != "mdadm" && dev.type != "zpool" && dev.type != "lvm_vg") x.content;
in ''
${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; }) other-devices)}
${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; name = name; }) raid-devices)}
@ -98,15 +98,24 @@ let
${create-f { device = "/dev/mapper/${x.name}"; } x.content}
'';
create.lv = q: x: ''
lvcreate ${if hasInfix "%" x.size then "-l" else "-L"} ${x.size} -n ${q.name} ${q.vgname}
${create-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content}
create.lvm_pv = q: x: ''
pvcreate ${q.device}
LVMDEVICES_${x.vg}="''${LVMDEVICES_${x.vg}:-}${q.device} "
'';
create.lvm = q: x: ''
pvcreate ${q.device}
vgcreate ${x.name} ${q.device}
${concatStrings (mapAttrsToList (name: create-f { inherit name; vgname = x.name; }) x.lvs)}
create.lvm_lv = q: x: ''
lvcreate \
${if hasInfix "%" x.size then "-l" else "-L"} ${x.size} \
-n ${q.name} \
${lib.optionalString (!isNull x.lvm_type or null) "--type=${x.lvm_type}"} \
${lib.optionalString (!isNull x.extraArgs or null) x.extraArgs} \
${q.vgname}
${create-f { device = "/dev/${q.vgname}/${q.name}"; } x.content}
'';
create.lvm_vg = q: x: ''
vgcreate ${q.name} $LVMDEVICES_${q.name}
${concatStrings (mapAttrsToList (name: create-f { inherit name; vgname = q.name; }) x.lvs)}
'';
create.noop = q: x: "";
@ -190,17 +199,19 @@ let
'';}
);
mount.lv = q: x:
mount-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content;
mount.lvm_lv = q: x:
mount-f { device = "/dev/${q.vgname}/${q.name}"; } x.content;
mount.lvm = q: x: (
mount.lvm_vg = q: x: (
recursiveUpdate
(foldl' recursiveUpdate {} (mapAttrsToList (name: mount-f { inherit name; vgname = x.name; }) x.lvs))
(foldl' recursiveUpdate {} (mapAttrsToList (name: mount-f { inherit name; vgname = q.name; }) x.lvs))
{lvm.${q.device} = ''
vgchange -a y
'';}
);
mount.lvm_pv = mount.noop;
mount.noop = q: x: {};
mount.mdadm = q: x: