126 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.2 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.mesos.master;
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| 
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| in {
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| 
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|   options.services.mesos = {
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| 
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|     master = {
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|       enable = mkOption {
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|         description = "Whether to enable the Mesos Master.";
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|         default = false;
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|         type = types.bool;
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|       };
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| 
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|       ip = mkOption {
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|         description = "IP address to listen on.";
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|         default = "0.0.0.0";
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|         type = types.str;
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|       };
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| 
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|       port = mkOption {
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|         description = "Mesos Master port";
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|         default = 5050;
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|         type = types.int;
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|       };
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| 
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|       advertiseIp = mkOption {
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|         description = "IP address advertised to reach this master.";
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|         default = null;
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|         type = types.nullOr types.str;
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|       };
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| 
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|       advertisePort = mkOption {
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|         description = "Port advertised to reach this Mesos master.";
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|         default = null;
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|         type = types.nullOr types.int;
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|       };
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| 
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|       zk = mkOption {
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|         description = ''
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|           ZooKeeper URL (used for leader election amongst masters).
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|           May be one of:
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|             zk://host1:port1,host2:port2,.../mesos
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|             zk://username:password@host1:port1,host2:port2,.../mesos
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|         '';
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|         type = types.str;
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|       };
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| 
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|       workDir = mkOption {
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|         description = "The Mesos work directory.";
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|         default = "/var/lib/mesos/master";
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|         type = types.str;
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|       };
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| 
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|       extraCmdLineOptions = mkOption {
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|         description = ''
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|           Extra command line options for Mesos Master.
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| 
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|           See https://mesos.apache.org/documentation/latest/configuration/
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|         '';
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|         default = [ "" ];
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|         type = types.listOf types.str;
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|         example = [ "--credentials=VALUE" ];
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|       };
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| 
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|       quorum = mkOption {
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|         description = ''
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|           The size of the quorum of replicas when using 'replicated_log' based
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|           registry. It is imperative to set this value to be a majority of
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|           masters i.e., quorum > (number of masters)/2.
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| 
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|           If 0 will fall back to --registry=in_memory.
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|         '';
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|         default = 0;
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|         type = types.int;
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|       };
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| 
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|       logLevel = mkOption {
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|         description = ''
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|           The logging level used. Possible values:
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|             'INFO', 'WARNING', 'ERROR'
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|         '';
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|         default = "INFO";
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|         type = types.str;
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|       };
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| 
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|     };
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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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|     systemd.tmpfiles.rules = [
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|       "d '${cfg.workDir}' 0700 - - - -"
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|     ];
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|     systemd.services.mesos-master = {
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|       description = "Mesos Master";
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|       wantedBy = [ "multi-user.target" ];
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|       after = [ "network.target" ];
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|       serviceConfig = {
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|         ExecStart = ''
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|           ${pkgs.mesos}/bin/mesos-master \
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|             --ip=${cfg.ip} \
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|             --port=${toString cfg.port} \
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|             ${optionalString (cfg.advertiseIp != null) "--advertise_ip=${cfg.advertiseIp}"} \
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|             ${optionalString (cfg.advertisePort  != null) "--advertise_port=${toString cfg.advertisePort}"} \
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|             ${if cfg.quorum == 0
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|               then "--registry=in_memory"
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|               else "--zk=${cfg.zk} --registry=replicated_log --quorum=${toString cfg.quorum}"} \
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|             --work_dir=${cfg.workDir} \
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|             --logging_level=${cfg.logLevel} \
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|             ${toString cfg.extraCmdLineOptions}
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|         '';
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|         Restart = "on-failure";
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|       };
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|     };
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|   };
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| 
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| }
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| 
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