liminix

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default.nix (817B)

      1 ## Watchdog
      2 ##
      3 ## Enable hardware watchdog (for devices that support one) and
      4 ## feed it by checking the health of specified critical services.
      5 ## If the watchdog feeder stops, the device will reboot.
      6 
      7 { lib, pkgs, config, ...}:
      8 let
      9   inherit (lib) mkOption types;
     10   inherit (pkgs) liminix;
     11 in
     12 {
     13   options = {
     14     system.service.watchdog =  mkOption {
     15       type = liminix.lib.types.serviceDefn;
     16     };
     17   };
     18   config.system.service.watchdog = liminix.callService ./watchdog.nix {
     19     watched = mkOption {
     20       description = "services to watch";
     21       type = types.listOf liminix.lib.types.service;
     22     };
     23     headStart = mkOption {
     24       description = "delay in seconds before watchdog starts checking service health";
     25       default = 60;
     26       type = types.int;
     27     };
     28   };
     29   config.kernel.config.WATCHDOG = "y";
     30 }