105 lines
2.6 KiB
Nix
105 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.mesos.master;
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in {
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options.services.mesos = {
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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.uniq types.bool;
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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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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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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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extraCmdLineOptions = mkOption {
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description = ''
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Extra command line options for Mesos Master.
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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.string;
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example = [ "--credentials=VALUE" ];
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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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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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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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config = mkIf cfg.enable {
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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-interfaces.target" ];
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serviceConfig = {
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ExecStart = ''
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${pkgs.mesos}/bin/mesos-master \
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--port=${toString cfg.port} \
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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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PermissionsStartOnly = true;
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};
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preStart = ''
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mkdir -m 0700 -p ${cfg.workDir}
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'';
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};
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};
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}
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