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nixos/services.zfs.autoReplication: remove with lib;

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Felix Buehler 2024-08-28 21:18:54 +02:00 committed by Jörg Thalheim
parent e53c595a18
commit 8a7d699812
1 changed files with 18 additions and 21 deletions
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39
nixos/modules/services/backup/zfs-replication.nix
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@ -1,56 +1,53 @@
{ lib, pkgs, config, ... }: { lib, pkgs, config, ... }:
with lib;
let let
cfg = config.services.zfs.autoReplication; cfg = config.services.zfs.autoReplication;
recursive = optionalString cfg.recursive " --recursive"; recursive = lib.optionalString cfg.recursive " --recursive";
followDelete = optionalString cfg.followDelete " --follow-delete"; followDelete = lib.optionalString cfg.followDelete " --follow-delete";
in { in {
options = { options = {
services.zfs.autoReplication = { services.zfs.autoReplication = {
enable = mkEnableOption "ZFS snapshot replication"; enable = lib.mkEnableOption "ZFS snapshot replication";
followDelete = mkOption { followDelete = lib.mkOption {
description = "Remove remote snapshots that don't have a local correspondent."; description = "Remove remote snapshots that don't have a local correspondent.";
default = true; default = true;
type = types.bool; type = lib.types.bool;
}; };
host = mkOption { host = lib.mkOption {
description = "Remote host where snapshots should be sent. `lz4` is expected to be installed on this host."; description = "Remote host where snapshots should be sent. `lz4` is expected to be installed on this host.";
example = "example.com"; example = "example.com";
type = types.str; type = lib.types.str;
}; };
identityFilePath = mkOption { identityFilePath = lib.mkOption {
description = "Path to SSH key used to login to host."; description = "Path to SSH key used to login to host.";
example = "/home/username/.ssh/id_rsa"; example = "/home/username/.ssh/id_rsa";
type = types.path; type = lib.types.path;
}; };
localFilesystem = mkOption { localFilesystem = lib.mkOption {
description = "Local ZFS filesystem from which snapshots should be sent. Defaults to the attribute name."; description = "Local ZFS filesystem from which snapshots should be sent. Defaults to the attribute name.";
example = "pool/file/path"; example = "pool/file/path";
type = types.str; type = lib.types.str;
}; };
remoteFilesystem = mkOption { remoteFilesystem = lib.mkOption {
description = "Remote ZFS filesystem where snapshots should be sent."; description = "Remote ZFS filesystem where snapshots should be sent.";
example = "pool/file/path"; example = "pool/file/path";
type = types.str; type = lib.types.str;
}; };
recursive = mkOption { recursive = lib.mkOption {
description = "Recursively discover snapshots to send."; description = "Recursively discover snapshots to send.";
default = true; default = true;
type = types.bool; type = lib.types.bool;
}; };
username = mkOption { username = lib.mkOption {
description = "Username used by SSH to login to remote host."; description = "Username used by SSH to login to remote host.";
example = "username"; example = "username";
type = types.str; type = lib.types.str;
}; };
}; };
}; };
@ -73,7 +70,7 @@ in {
"https://github.com/alunduil/zfs-replicate" "https://github.com/alunduil/zfs-replicate"
]; ];
restartIfChanged = false; restartIfChanged = false;
serviceConfig.ExecStart = "${pkgs.zfs-replicate}/bin/zfs-replicate${recursive} -l ${escapeShellArg cfg.username} -i ${escapeShellArg cfg.identityFilePath}${followDelete} ${escapeShellArg cfg.host} ${escapeShellArg cfg.remoteFilesystem} ${escapeShellArg cfg.localFilesystem}"; serviceConfig.ExecStart = "${pkgs.zfs-replicate}/bin/zfs-replicate${recursive} -l ${lib.escapeShellArg cfg.username} -i ${lib.escapeShellArg cfg.identityFilePath}${followDelete} ${lib.escapeShellArg cfg.host} ${lib.escapeShellArg cfg.remoteFilesystem} ${lib.escapeShellArg cfg.localFilesystem}";
wantedBy = [ wantedBy = [
"zfs-snapshot-daily.service" "zfs-snapshot-daily.service"
"zfs-snapshot-frequent.service" "zfs-snapshot-frequent.service"