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-rw-r--r--default.nix43
-rw-r--r--example/luks-lvm.nix69
-rw-r--r--example/lvm-raid.nix66
-rw-r--r--tests/lvm-raid.nix39
4 files changed, 168 insertions, 49 deletions
diff --git a/default.nix b/default.nix
index 4a9a033..19333fc 100644
--- a/default.nix
+++ b/default.nix
@@ -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:
diff --git a/example/luks-lvm.nix b/example/luks-lvm.nix
index d0b4d26..22c029e 100644
--- a/example/luks-lvm.nix
+++ b/example/luks-lvm.nix
@@ -36,43 +36,46 @@
"--iter-time 5000"
];
content = {
- type = "lvm";
- name = "pool";
- lvs = {
- root = {
- type = "lv";
- size = "100M";
- mountpoint = "/";
- content = {
- type = "filesystem";
- format = "ext4";
- mountpoint = "/";
- options = [
- "defaults"
- ];
- };
- };
- home = {
- type = "lv";
- size = "10M";
- content = {
- type = "filesystem";
- format = "ext4";
- mountpoint = "/home";
- };
- };
- raw = {
- type = "lv";
- size = "10M";
- content = {
- type = "noop";
- };
- };
- };
+ type = "lvm_pv";
+ vg = "pool";
};
};
}
];
};
+ pool = {
+ type = "lvm_vg";
+ lvs = {
+ root = {
+ type = "lvm_lv";
+ size = "100M";
+ mountpoint = "/";
+ content = {
+ type = "filesystem";
+ format = "ext4";
+ mountpoint = "/";
+ options = [
+ "defaults"
+ ];
+ };
+ };
+ home = {
+ type = "lvm_lv";
+ size = "10M";
+ content = {
+ type = "filesystem";
+ format = "ext4";
+ mountpoint = "/home";
+ };
+ };
+ raw = {
+ type = "lvm_lv";
+ size = "10M";
+ content = {
+ type = "noop";
+ };
+ };
+ };
+ };
};
}
diff --git a/example/lvm-raid.nix b/example/lvm-raid.nix
new file mode 100644
index 0000000..48930ec
--- /dev/null
+++ b/example/lvm-raid.nix
@@ -0,0 +1,66 @@
+{
+ type = "devices";
+ content = {
+ vdb = {
+ type = "table";
+ format = "gpt";
+ partitions = [
+ {
+ type = "partition";
+ part-type = "primary";
+ start = "0%";
+ end = "100%";
+ content = {
+ type = "lvm_pv";
+ vg = "pool";
+ };
+ }
+ ];
+ };
+ vdc = {
+ type = "table";
+ format = "gpt";
+ partitions = [
+ {
+ type = "partition";
+ part-type = "primary";
+ start = "0%";
+ end = "100%";
+ content = {
+ type = "lvm_pv";
+ vg = "pool";
+ };
+ }
+ ];
+ };
+ pool = {
+ type = "lvm_vg";
+ lvs = {
+ root = {
+ type = "lvm_lv";
+ size = "100M";
+ mountpoint = "/";
+ lvm_type = "mirror";
+ content = {
+ type = "filesystem";
+ format = "ext4";
+ mountpoint = "/";
+ options = [
+ "defaults"
+ ];
+ };
+ };
+ home = {
+ type = "lvm_lv";
+ size = "10M";
+ lvm_type = "raid0";
+ content = {
+ type = "filesystem";
+ format = "ext4";
+ mountpoint = "/home";
+ };
+ };
+ };
+ };
+ };
+}
diff --git a/tests/lvm-raid.nix b/tests/lvm-raid.nix
new file mode 100644
index 0000000..5165645
--- /dev/null
+++ b/tests/lvm-raid.nix
@@ -0,0 +1,39 @@
+{ makeTest ? import <nixpkgs/nixos/tests/make-test-python.nix>
+, pkgs ? (import <nixpkgs> {})
+}:
+let
+ makeTest' = args:
+ makeTest args {
+ inherit pkgs;
+ inherit (pkgs) system;
+ };
+ disko-config = import ../example/lvm-raid.nix;
+ tsp-create = pkgs.writeScript "create" ((pkgs.callPackage ../. {}).create disko-config);
+ tsp-mount = pkgs.writeScript "mount" ((pkgs.callPackage ../. {}).mount disko-config);
+in makeTest' {
+ name = "disko";
+
+ nodes.machine =
+ { config, pkgs, modulesPath, ... }:
+
+ {
+ imports = [
+ (modulesPath + "/profiles/installation-device.nix")
+ (modulesPath + "/profiles/base.nix")
+ ];
+
+ # speed-up eval
+ documentation.enable = false;
+
+ virtualisation.emptyDiskImages = [ 512 512 ];
+ boot.kernelModules = [ "dm-raid" "dm-mirror" ];
+ };
+
+ testScript = ''
+ machine.succeed("echo 'secret' > /tmp/secret.key");
+ machine.succeed("${tsp-create}");
+ machine.succeed("${tsp-mount}");
+ machine.succeed("${tsp-mount}"); # verify that the command is idempotent
+ machine.succeed("grep -qs '/mnt/home' /proc/mounts");
+ '';
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 14:40:43 +0000