--- /dev/null
+{ lib, pkgs, myconfig, config, ... }:
+
+let
+ cfg = myconfig.env.backup;
+ varDir = "/var/lib/duply";
+ duplyProfile = profile: prefix: ''
+ GPG_PW="${cfg.password}"
+ TARGET="${cfg.remote}${prefix}"
+ export AWS_ACCESS_KEY_ID="${cfg.accessKeyId}"
+ export AWS_SECRET_ACCESS_KEY="${cfg.secretAccessKey}"
+ SOURCE="${profile.rootDir}"
+ FILENAME=".duplicity-ignore"
+ DUPL_PARAMS="$DUPL_PARAMS --exclude-if-present '$FILENAME'"
+ VERBOSITY=4
+ ARCH_DIR="${varDir}/caches"
+
+ # Do a full backup after 1 month
+ MAX_FULLBKP_AGE=1M
+ DUPL_PARAMS="$DUPL_PARAMS --full-if-older-than $MAX_FULLBKP_AGE "
+ # Backups older than 2months are deleted
+ MAX_AGE=2M
+ # Keep 2 full backups
+ MAX_FULL_BACKUPS=2
+ MAX_FULLS_WITH_INCRS=2
+ '';
+ action = "bkp_purge_purgeFull_purgeIncr";
+in
+{
+ options = {
+ services.backup.enable = lib.mkOption {
+ type = lib.types.bool;
+ default = false;
+ description = ''
+ Whether to enable remote backups.
+ '';
+ };
+ services.backup.profiles = lib.mkOption {
+ type = lib.types.attrsOf (lib.types.submodule {
+ options = {
+ rootDir = lib.mkOption {
+ type = lib.types.path;
+ description = ''
+ Path to backup
+ '';
+ };
+ excludeFile = lib.mkOption {
+ type = lib.types.lines;
+ default = "";
+ description = ''
+ Content to put in exclude file
+ '';
+ };
+ };
+ });
+ };
+ };
+
+ config = lib.mkIf config.services.backup.enable {
+ system.activationScripts.backup = ''
+ install -m 0700 -o root -g root -d ${varDir} ${varDir}/caches
+ '';
+ secrets.keys = lib.flatten (lib.mapAttrsToList (k: v: [
+ {
+ permissions = "0400";
+ dest = "backup/${k}/conf";
+ text = duplyProfile v "${k}/";
+ }
+ {
+ permissions = "0400";
+ dest = "backup/${k}/exclude";
+ text = v.excludeFile;
+ }
+ ]) config.services.backup.profiles);
+
+ services.cron = {
+ enable = true;
+ systemCronJobs = let
+ backups = pkgs.writeScript "backups" ''
+ #!${pkgs.stdenv.shell}
+
+ ${builtins.concatStringsSep "\n" (lib.mapAttrsToList (k: v:
+ ''
+ touch ${varDir}/${k}.log
+ ${pkgs.duply}/bin/duply ${config.secrets.location}/backup/${k}/ ${action} --force >> ${varDir}/${k}.log
+ ''
+ ) config.services.backup.profiles)}
+ '';
+ in
+ [
+ "0 2 * * * root ${backups}"
+ ];
+
+ };
+
+ security.pki.certificates = [
+ (builtins.readFile ./Eriomem_SAS.1.pem)
+ (builtins.readFile ./Eriomem_SAS.pem)
+ ];
+ };
+}