95 lines
2.1 KiB
Nix
95 lines
2.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.opentsdb;
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configFile = pkgs.writeText "opentsdb.conf" cfg.config;
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in {
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###### interface
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options = {
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services.opentsdb = {
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enable = mkEnableOption "OpenTSDB";
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package = mkPackageOption pkgs "opentsdb" { };
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user = mkOption {
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type = types.str;
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default = "opentsdb";
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description = ''
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User account under which OpenTSDB runs.
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'';
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};
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group = mkOption {
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type = types.str;
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default = "opentsdb";
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description = ''
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Group account under which OpenTSDB runs.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 4242;
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description = ''
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Which port OpenTSDB listens on.
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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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default = ''
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tsd.core.auto_create_metrics = true
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tsd.http.request.enable_chunked = true
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'';
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description = ''
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The contents of OpenTSDB's configuration file
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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 config.services.opentsdb.enable {
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systemd.services.opentsdb = {
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description = "OpenTSDB Server";
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wantedBy = [ "multi-user.target" ];
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requires = [ "hbase.service" ];
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environment.JAVA_HOME = "${pkgs.jre}";
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path = [ pkgs.gnuplot ];
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preStart =
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''
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COMPRESSION=NONE HBASE_HOME=${config.services.hbase.package} ${cfg.package}/share/opentsdb/tools/create_table.sh
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'';
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serviceConfig = {
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PermissionsStartOnly = true;
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${cfg.package}/bin/tsdb tsd --staticroot=${cfg.package}/share/opentsdb/static --cachedir=/tmp/opentsdb --port=${toString cfg.port} --config=${configFile}";
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};
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};
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users.users.opentsdb = {
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description = "OpenTSDB Server user";
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group = "opentsdb";
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uid = config.ids.uids.opentsdb;
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};
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users.groups.opentsdb.gid = config.ids.gids.opentsdb;
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};
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}
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