Add ignoredUnits option; skip logrotate failures on s0 because they are spurious

common/ntfy/default.nix

@@ -19,6 +19,12 @@
       default = "";
       description = "Extra arguments to pass to curl (e.g. --proxy http://host:port).";
     };
+
+    ignoredUnits = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Unit names to skip failure notifications for.";
+    };
   };
 
   config = lib.mkIf config.thisMachine.hasRole."ntfy" {

common/ntfy/service-failure.nix

@@ -14,6 +14,12 @@ in
         EnvironmentFile = "/run/agenix/ntfy-token";
         ExecStart = "${pkgs.writeShellScript "ntfy-failure-notify" ''
           unit="$1"
+          ignored_units=(${lib.concatMapStringsSep " " (u: lib.escapeShellArg u) cfg.ignoredUnits})
+          for ignored in "''${ignored_units[@]}"; do
+            if [[ "$unit" == "$ignored" ]]; then
+              exit 0
+            fi
+          done
           logfile=$(mktemp)
           trap 'rm -f "$logfile"' EXIT
           ${pkgs.systemd}/bin/journalctl -u "$unit" -n 50 --no-pager -o short > "$logfile" 2>/dev/null \

machines/storage/s0/default.nix

@@ -9,6 +9,8 @@
 
   networking.hostName = "s0";
 
+  ntfy-alerts.ignoredUnits = [ "logrotate" ];
+
   # system.autoUpgrade.enable = true;
 
   nix.gc.automatic = lib.mkForce false; # allow the nix store to serve as a build cache