 1d497bbff1
			
		
	
	
		1d497bbff1
		
	
	
	
	
		
			
			Previously it was only possible to use very simple Riemann config. For more complicated scenarios you need a directory of clojure files and the config file that riemann starts with should be in this directory.
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { config, pkgs, lib, ... }:
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| 
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| with pkgs;
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| with lib;
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| 
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| let
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| 
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|   cfg = config.services.riemann;
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| 
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|   classpath = concatStringsSep ":" (
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|     cfg.extraClasspathEntries ++ [ "${riemann}/share/java/riemann.jar" ]
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|   );
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| 
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|   riemannConfig = concatStringsSep "\n" (
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|     [cfg.config] ++ (map (f: ''(load-file "${f}")'') cfg.configFiles)
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|   );
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| 
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|   launcher = writeScriptBin "riemann" ''
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|     #!/bin/sh
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|     exec ${jdk}/bin/java ${concatStringsSep " " cfg.extraJavaOpts} \
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|       -cp ${classpath} \
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|       riemann.bin ${cfg.configFile}
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|   '';
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| 
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| in {
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| 
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|   options = {
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| 
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|     services.riemann = {
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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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|           Enable the Riemann network monitoring daemon.
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|         '';
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|       };
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|       config = mkOption {
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|         type = types.lines;
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|         description = ''
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|           Contents of the Riemann configuration file. For more complicated
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|           config you should use configFile.
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|         '';
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|       };
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|       configFiles = mkOption {
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|         type = with types; listOf path;
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|         default = [];
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|         description = ''
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|           Extra files containing Riemann configuration. These files will be
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|           loaded at runtime by Riemann (with Clojure's
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|           <literal>load-file</literal> function) at the end of the
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|           configuration if you use the config option, this is ignored if you
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|           use configFile.
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|         '';
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|       };
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|       configFile = mkOption {
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|         type = types.str;
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|         description = ''
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|           A Riemann config file. Any files in the same directory as this file
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|           will be added to the classpath by Riemann.
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|         '';
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|       };
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|       extraClasspathEntries = mkOption {
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|         type = with types; listOf str;
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|         default = [];
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|         description = ''
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|           Extra entries added to the Java classpath when running Riemann.
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|         '';
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|       };
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|       extraJavaOpts = mkOption {
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|         type = with types; listOf str;
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|         default = [];
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|         description = ''
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|           Extra Java options used when launching Riemann.
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|         '';
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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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| 
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|     users.groups.riemann.gid = config.ids.gids.riemann;
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| 
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|     users.users.riemann = {
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|       description = "riemann daemon user";
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|       uid = config.ids.uids.riemann;
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|       group = "riemann";
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|     };
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| 
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|     services.riemann.configFile = mkDefault (
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|       writeText "riemann-config.clj" riemannConfig
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|     );
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| 
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|     systemd.services.riemann = {
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|       wantedBy = [ "multi-user.target" ];
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|       path = [ inetutils ];
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|       serviceConfig = {
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|         User = "riemann";
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|         ExecStart = "${launcher}/bin/riemann";
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|       };
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|       serviceConfig.LimitNOFILE = 65536;
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|     };
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| 
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|   };
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| 
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| }
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