This allows us to pass in additional ad-hoc fluentd plugins for custom output formats and other goodness.
		
			
				
	
	
		
			59 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ config, lib, pkgs, ... }:
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with lib;
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let
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  cfg = config.services.fluentd;
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  pluginArgs = concatStringsSep " " (map (x: "-p ${x}") cfg.plugins);
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in {
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  ###### interface
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  options = {
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    services.fluentd = {
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      enable = mkOption {
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        type = types.bool;
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        default = false;
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        description = "Whether to enable fluentd.";
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      };
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      config = mkOption {
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        type = types.lines;
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        default = "";
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        description = "Fluentd config.";
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      };
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      package = mkOption {
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        type = types.path;
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        default = pkgs.fluentd;
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        defaultText = "pkgs.fluentd";
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        description = "The fluentd package to use.";
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      };
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      plugins = mkOption {
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        type = types.listOf types.path;
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        default = [];
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        description = ''
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          A list of plugin paths to pass into fluentd. It will make plugins defined in ruby files
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          there available in your config.
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        '';
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      };
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    };
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  };
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  ###### implementation
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  config = mkIf cfg.enable {
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    systemd.services.fluentd = with pkgs; {
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      description = "Fluentd Daemon";
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      wantedBy = [ "multi-user.target" ];
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      serviceConfig = {
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        ExecStart = "${cfg.package}/bin/fluentd -c ${pkgs.writeText "fluentd.conf" cfg.config} ${pluginArgs}";
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        ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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      };
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    };
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  };
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}
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