36 lines
1 KiB
Nix
36 lines
1 KiB
Nix
{
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config,
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lib,
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...
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}: let
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dataDir = "/var/lib/postgresql/16";
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in {
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options.services.postgresql.impermanence.enable = lib.mkOption {
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type = lib.types.bool;
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default = config.services.postgresql.enable && config.storage.impermanence.enable;
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};
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config = lib.mkIf config.services.postgresql.enable (lib.mkMerge [
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(lib.mkIf config.storage.zfs.enable (lib.mkMerge [
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{
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assertions = [
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{
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assertion = config.services.postgresql.dataDir == dataDir;
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message = "postgres data directory does not match persistence";
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}
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];
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}
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(lib.mkIf (!config.services.postgresql.impermanence.enable) {
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# TODO: placeholder to configure a unique dataset for this service
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})
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(lib.mkIf config.services.postgresql.impermanence.enable {
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storage.impermanence.datasets."persist/replicate/system/root" = {
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directories."${dataDir}" = {
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owner.name = "postgres";
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group.name = "postgres";
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};
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};
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})
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]))
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]);
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}
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