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{ config, lib, pkgs, ... }:
let
cfg = config.orbekk.backups;
backups.pincer = {
paths = [ "/etc/nixos" ];
doInit = true;
repo = cfg.serverLocation;
encryption = {
mode = "repokey-blake2";
passCommand = "cat ${config.age.secrets.pincer-borg-repo-key.path}";
};
environment = {
BORG_RSH = "ssh -i ${config.age.secrets.pincer-borg-ssh-key.path}";
};
compression = "auto,lzma";
startAt = "daily";
};
dragon-tmpl = repo: {
inherit repo;
paths = [ "/home" "/opt" "/var" "/storage" ];
exclude = [ "/var/lib/lxd" "/var/lib/borg" ];
doInit = true;
encryption = {
mode = "repokey-blake2";
passCommand = "cat ${config.age.secrets.dragon-borg-repo-key.path}";
};
environment = {
BORG_RSH = "ssh -i ${config.age.secrets.dragon-borg-ssh-key.path}";
};
compression = "auto,lzma";
startAt = "daily";
extraCreateArgs = "--stats";
};
backups.dragon-break = dragon-tmpl "borg@www.breakds.org:.";
backups.dragon-trygve = dragon-tmpl "orbekk@backup.osl.trygveandre.net:/home/orbekk/repository";
clientJobs = {
${config.networking.hostName} = backups.${config.networking.hostName};
};
serverJobs = {
dragon-break = backups.dragon-break;
dragon-trygve = backups.dragon-trygve;
};
backupJobs =
if config.networking.hostName == "dragon" then serverJobs else clientJobs;
in {
options = {
orbekk.backups = {
enableServer = lib.mkEnableOption "Enable backup server";
enableClient = lib.mkEnableOption "Enable backup client";
serverLocation = lib.mkOption {
type = lib.types.str;
default = "borg@localhost:.";
};
};
};
config = {
age.secrets = lib.mkIf cfg.enableClient {
"${config.networking.hostName}-borg-repo-key".file = ./.
+ "/../secrets/${config.networking.hostName}-borg-repo-key.age";
"${config.networking.hostName}-borg-ssh-key".file = ./.
+ "/../secrets/${config.networking.hostName}-borg-ssh-key.age";
};
services.borgbackup.repos = lib.mkIf cfg.enableServer {
dragon = {
authorizedKeys =
[ (builtins.readFile ../secrets/dragon-borg-ssh-key.pub) ];
path = [ "/var/lib/dragon" ];
};
breakds = {
authorizedKeys = [ (builtins.readFile ../data/breakds.pub) ];
path = [ "/var/lib/borg/breakds" ];
};
pincer = {
authorizedKeys =
[ (builtins.readFile ../secrets/pincer-borg-ssh-key.pub) ];
path = [ "/var/lib/borg-pincer" ];
};
};
services.borgbackup.jobs = lib.mkIf cfg.enableClient backupJobs;
};
}
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