44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { config, lib, pkgs, ... }:
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| 
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| with lib;
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| 
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| let
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|   cfg = config.services.vnstat;
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| in {
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|   options.services.vnstat = {
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|     enable = mkOption {
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|       type = types.bool;
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|       default = false;
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|       description = ''
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|         Whether to enable update of network usage statistics via vnstatd.
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|       '';
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|     };
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|   };
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| 
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|   config = mkIf cfg.enable {
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|     users.users.vnstatd = {
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|       isSystemUser = true;
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|       description = "vnstat daemon user";
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|       home = "/var/lib/vnstat";
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|       createHome = true;
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|     };
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| 
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|     systemd.services.vnstat = {
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|       description = "vnStat network traffic monitor";
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|       path = [ pkgs.coreutils ];
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|       after = [ "network.target" ];
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|       wantedBy = [ "multi-user.target" ];
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|       unitConfig.documentation = "man:vnstatd(1) man:vnstat(1) man:vnstat.conf(5)";
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|       preStart = "chmod 755 /var/lib/vnstat";
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|       serviceConfig = {
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|         ExecStart = "${pkgs.vnstat}/bin/vnstatd -n";
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|         ExecReload = "${pkgs.procps}/bin/kill -HUP $MAINPID";
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|         ProtectHome = true;
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|         PrivateDevices = true;
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|         PrivateTmp = true;
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|         User = "vnstatd";
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|       };
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|     };
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|   };
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| }
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