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wip: optionsAfterCreate -> postCreateHook...

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and introduce defineHookVariables
This commit is contained in:
phaer 2023-01-06 15:58:32 +01:00
parent fb229950e0
commit 8e4b2d1e3b
1 changed files with 18 additions and 7 deletions
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25
types.nix
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@ -116,6 +116,17 @@ rec {
*/
maybeStr = x: optionalString (!isNull x) x;
/* Takes a Submodules config and options argument and returns a serializable
subset of config variables as a shell script snippet.
*/
defineHookVariables = {config, options}:
lib.toShellVars
(lib.mapAttrs
(n: o: o.value)
(lib.filterAttrs diskoLib.isSerializable options));
isSerializable = n: o: !(lib.hasPrefix "_" n || lib.hasSuffix "Hook" n || diskoLib.isAttrsOfSubmodule o);
isAttrsOfSubmodule = o: o.type.name == "attrsOf" && o.type.nestedTypes.elemType.name == "submodule";
/* Takes a disko device specification, returns an attrset with metadata
meta :: types.devices -> AttrSet
@ -1095,7 +1106,8 @@ rec {
};
});
zpool = types.submodule ({ config, ... }: {
zpool = types.submodule ({ config, options, ... }:
{
options = {
name = mkOption {
type = types.str;
@ -1118,9 +1130,9 @@ rec {
default = {};
description = "Options for the ZFS pool";
};
optionsAfterCreate = mkOption {
type = types.attrsOf types.str;
default = {};
postCreateHook = mkOption {
type = types.str;
default = "zfs set keylocation=prompt $name";
};
rootFsOptions = mkOption {
type = types.attrsOf types.str;
@ -1154,14 +1166,13 @@ rec {
readOnly = true;
type = types.str;
default = ''
${diskoLib.defineHookVariables { inherit config options; }}
zpool create ${config.name} \
${config.mode} \
${concatStringsSep " " (mapAttrsToList (n: v: "-o ${n}=${v}") config.options)} \
${concatStringsSep " " (mapAttrsToList (n: v: "-O ${n}=${v}") config.rootFsOptions)} \
''${ZFSDEVICES_${config.name}}
${lib.optionalString
(config.optionsAfterCreate != {})
"zfs set ${concatStringsSep " " (mapAttrsToList (n: v: "${n}=${v}") config.optionsAfterCreate)} ${config.name}"}
${config.postCreateHook}
${concatMapStrings (dataset: dataset._create config.name) (attrValues config.datasets)}
'';
description = "Creation script";