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Motiejus Jakštys
2024-07-29 15:39:54 +03:00
parent 3da42ead11
commit 9ea80639a3
51 changed files with 2040 additions and 1758 deletions
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121
modules/base/zfsborg/default.nix
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@@ -3,7 +3,8 @@
lib,
pkgs,
...
}: let
}:
let
mkPreHook = zfs_name: i: ''
set -x
sleep ${toString i}
@@ -15,99 +16,103 @@
"$RUNTIME_DIRECTORY/snapshot"
cd "$RUNTIME_DIRECTORY/snapshot"
'';
in {
in
{
options.mj.base.zfsborg = with lib.types; {
enable = lib.mkEnableOption "backup zfs snapshots with borg";
passwordPath = lib.mkOption {type = str;};
passwordPath = lib.mkOption { type = str; };
sshKeyPath = lib.mkOption {
type = nullOr path;
default = null;
};
dirs = lib.mkOption {
default = {};
default = { };
type = listOf (submodule {
options = {
mountpoint = lib.mkOption {type = path;};
repo = lib.mkOption {type = str;};
paths = lib.mkOption {type = listOf str;};
mountpoint = lib.mkOption { type = path; };
repo = lib.mkOption { type = str; };
paths = lib.mkOption { type = listOf str; };
patterns = lib.mkOption {
type = listOf str;
default = [];
default = [ ];
};
prune = lib.mkOption {
type = anything;
default = {};
default = { };
};
backup_at = lib.mkOption {type = str;};
backup_at = lib.mkOption { type = str; };
};
});
};
};
config = with config.mj.base.zfsborg;
config =
with config.mj.base.zfsborg;
lib.mkIf enable {
systemd.services = lib.listToAttrs (lib.imap0 (
i: attr: let
systemd.services = lib.listToAttrs (
lib.imap0 (
i: attr:
let
svcName = "borgbackup-job-${lib.strings.sanitizeDerivationName attr.mountpoint}-${toString i}";
in
lib.nameValuePair svcName {
serviceConfig.RuntimeDirectory = svcName;
}
)
dirs);
lib.nameValuePair svcName { serviceConfig.RuntimeDirectory = svcName; }
) dirs
);
services.borgbackup.jobs = builtins.listToAttrs (
lib.imap0 (
i: attrs: let
i: attrs:
let
mountpoint = builtins.getAttr "mountpoint" attrs;
fs = builtins.getAttr mountpoint config.fileSystems;
in
assert fs.fsType == "zfs";
assert lib.assertMsg
config.mj.base.unitstatus.enable
assert fs.fsType == "zfs";
assert lib.assertMsg config.mj.base.unitstatus.enable
"config.mj.base.unitstatus.enable must be true";
lib.nameValuePair
"${lib.strings.sanitizeDerivationName mountpoint}-${toString i}"
({
inherit (attrs) repo paths;
lib.nameValuePair "${lib.strings.sanitizeDerivationName mountpoint}-${toString i}" (
{
inherit (attrs) repo paths;
doInit = true;
encryption = {
mode = "repokey-blake2";
passCommand = "cat ${config.mj.base.zfsborg.passwordPath}";
};
extraArgs = "--remote-path=borg1";
compression = "auto,zstd,10";
extraCreateArgs = "--chunker-params buzhash,10,23,16,4095";
startAt = attrs.backup_at;
preHook = mkPreHook fs.device i;
prune.keep = {
within = "1d";
daily = 7;
weekly = 4;
monthly = 3;
};
environment =
{
BORG_HOST_ID = let
h = config.networking;
in "${h.hostName}.${h.domain}@${h.hostId}";
}
// lib.optionalAttrs (sshKeyPath != null) {
BORG_RSH = ''ssh -i "${config.mj.base.zfsborg.sshKeyPath}"'';
};
doInit = true;
encryption = {
mode = "repokey-blake2";
passCommand = "cat ${config.mj.base.zfsborg.passwordPath}";
};
extraArgs = "--remote-path=borg1";
compression = "auto,zstd,10";
extraCreateArgs = "--chunker-params buzhash,10,23,16,4095";
startAt = attrs.backup_at;
preHook = mkPreHook fs.device i;
prune.keep = {
within = "1d";
daily = 7;
weekly = 4;
monthly = 3;
};
environment =
{
BORG_HOST_ID =
let
h = config.networking;
in
"${h.hostName}.${h.domain}@${h.hostId}";
}
// lib.optionalAttrs (attrs ? patterns) {inherit (attrs) patterns;}
// lib.optionalAttrs (attrs ? prune) {inherit (attrs) prune;})
)
dirs
// lib.optionalAttrs (sshKeyPath != null) {
BORG_RSH = ''ssh -i "${config.mj.base.zfsborg.sshKeyPath}"'';
};
}
// lib.optionalAttrs (attrs ? patterns) { inherit (attrs) patterns; }
// lib.optionalAttrs (attrs ? prune) { inherit (attrs) prune; }
)
) dirs
);
mj.base.unitstatus.units = let
sanitized = map lib.strings.sanitizeDerivationName (lib.catAttrs "mountpoint" dirs);
in
mj.base.unitstatus.units =
let
sanitized = map lib.strings.sanitizeDerivationName (lib.catAttrs "mountpoint" dirs);
in
lib.imap0 (i: name: "borgbackup-job-${name}-${toString i}") sanitized;
};
}