140 lines
3.5 KiB
Nix
140 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with builtins;
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with lib;
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let
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cfg = config.lass.kapacitor;
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out = {
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options.lass.kapacitor = api;
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config = mkIf cfg.enable imp;
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};
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api = {
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enable = mkEnableOption "kapacitor";
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dataDir = mkOption {
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type = types.str;
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default = "/var/lib/kapacitor";
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};
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user = mkOption {
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type = types.str;
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default = "kapacitor";
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};
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alarms = mkOption {
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type = with types; attrsOf str;
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default = {};
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};
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check_db = mkOption {
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type = types.str;
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default = "all_data";
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};
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config = mkOption {
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type = types.str;
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#TODO: find a good default
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default = ''
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hostname = "localhost"
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data_dir = "${cfg.dataDir}"
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[http]
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bind-address = ":9092"
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auth-enabled = false
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log-enabled = true
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write-tracing = false
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pprof-enabled = false
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https-enabled = false
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https-certificate = "/etc/ssl/kapacitor.pem"
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shutdown-timeout = "10s"
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shared-secret = ""
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[replay]
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dir = "${cfg.dataDir}/replay"
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[storage]
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boltdb = "${cfg.dataDir}/kapacitor.db"
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[task]
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dir = "${cfg.dataDir}/tasks"
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snapshot-interval = "1m0s"
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[[influxdb]]
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enabled = true
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name = "default"
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default = false
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urls = ["http://localhost:8086"]
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username = ""
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password = ""
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ssl-ca = ""
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ssl-cert = ""
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ssl-key = ""
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insecure-skip-verify = false
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timeout = "0s"
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disable-subscriptions = false
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subscription-protocol = "http"
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udp-bind = ""
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udp-buffer = 1000
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udp-read-buffer = 0
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startup-timeout = "5m0s"
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subscriptions-sync-interval = "1m0s"
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[influxdb.subscriptions]
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[influxdb.excluded-subscriptions]
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_kapacitor = ["autogen"]
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[logging]
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file = "STDERR"
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level = "DEBUG"
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[deadman]
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interval = "10s"
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threshold = 0.0
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id = "{{ .Group }}:NODE_NAME for task '{{ .TaskName }}'"
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message = "{{ .ID }} is {{ if eq .Level \"OK\" }}alive{{ else }}dead{{ end }}: {{ index .Fields \"emitted\" | printf \"%0.3f\" }} points/INTERVAL."
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global = false
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'';
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description = "configuration kapacitor is started with";
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};
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};
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configFile = pkgs.writeText "kapacitor.conf" cfg.config;
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imp = {
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systemd.services.kapacitor = {
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description = "kapacitor";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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restartIfChanged = true;
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serviceConfig = {
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Restart = "always";
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ExecStart = "${pkgs.kapacitor}/bin/kapacitord -config ${configFile}";
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};
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};
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systemd.services.kapacitor-alarms = {
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description = "kapacitor-alarms";
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after = [ "kapacitor.service" ];
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wantedBy = [ "multi-user.target" ];
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restartIfChanged = true;
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serviceConfig = {
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Type = "oneshot";
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ExecStart = pkgs.writeDash "add_alarms" ''
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${pkgs.kapacitor}/bin/kapacitor delete tasks \*
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${concatStrings (mapAttrsToList (name: alarm: ''
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${pkgs.kapacitor}/bin/kapacitor define ${name} \
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-type batch \
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-tick ${pkgs.writeText "${name}.tick" alarm} \
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-dbrp ${cfg.check_db}.default
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${pkgs.kapacitor}/bin/kapacitor enable ${name}
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'') cfg.alarms)}
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'';
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};
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};
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};
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in out
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