94 lines
3.1 KiB
Nix
94 lines
3.1 KiB
Nix
{
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description = "restic-alarm";
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inputs = {
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cargo2nix = {
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url = "github:cargo2nix/cargo2nix/release-0.11.0";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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flake-utils.follows = "cargo2nix/flake-utils";
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
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};
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outputs = { self, nixpkgs, cargo2nix, flake-utils }:
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let
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compile = import ./compile.nix;
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in
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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in
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rec {
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packages =
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let
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packageFor = target: (compile {
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inherit system target;
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pkgsSrc = nixpkgs;
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cargo2nixOverlay = cargo2nix.overlays.default;
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release = true;
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}).workspace.restic-alarm { compileMode = "build"; };
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in
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{
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# default = native release build
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default = packages.restic-alarm;
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restic-alarm = packageFor null;
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# other = cross-compiled, statically-linked builds
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amd64 = packageFor "x86_64-unknown-linux-musl";
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i386 = packageFor "i686-unknown-linux-musl";
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arm64 = packageFor "aarch64-unknown-linux-musl";
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arm = packageFor "armv6l-unknown-linux-musleabihf";
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};
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}
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)
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// rec {
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nixosModules.restic-alarm = { config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.custom.restic-alarm;
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in
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{
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options.custom.restic-alarm = {
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enable = mkEnableOption (lib.mdDoc "restic-alarm: send alarms for inactive backups");
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env_file = mkOption {
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type = types.path;
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description = lib.mdDoc
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"The file containing the environment variables to pass to restic-alarm, for e.g. S3 access keys";
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};
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};
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config = mkIf cfg.enable {
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systemd.services.restic-alarm =
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let
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pkg = self.packages.${pkgs.system}.default;
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in {
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description = "restic-alarm: send alarms for inactive backups";
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after = [ "network.target" "network-online.target" ];
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wants = [ "network.target" "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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restartTriggers = [ cfg.env_file ];
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serviceConfig = {
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ExecStart = "${pkg}/bin/restic-alarm";
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DynamicUser = true;
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EnvironmentFile = "${cfg.env_file}";
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};
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};
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systemd.timers.restic-alarm = {
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partOf = [ "restic-alarm.service" ];
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wantedBy = [ "timers.target" ];
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after = [ "network-online.target" ];
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timerConfig = {
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Unit = "restic-alarm.service";
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Persistent = true;
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# every 6 hours
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OnCalendar = "*-*-* 00/6:00:00";
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RandomizedDelaySec = "1h";
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FixedRandomDelay = true;
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};
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};
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};
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};
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nixosModules.default = nixosModules.restic-alarm;
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};
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}
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