nixos/lifecycled: init
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@ -490,6 +490,7 @@
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./services/misc/logkeys.nix
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./services/misc/logkeys.nix
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./services/misc/leaps.nix
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./services/misc/leaps.nix
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./services/misc/lidarr.nix
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./services/misc/lidarr.nix
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./services/misc/lifecycled.nix
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./services/misc/mame.nix
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./services/misc/mame.nix
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./services/misc/matrix-appservice-discord.nix
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./services/misc/matrix-appservice-discord.nix
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./services/misc/matrix-synapse.nix
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./services/misc/matrix-synapse.nix
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164
nixos/modules/services/misc/lifecycled.nix
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164
nixos/modules/services/misc/lifecycled.nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.lifecycled;
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# TODO: Add the ability to extend this with an rfc 42-like interface.
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# In the meantime, one can modify the environment (as
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# long as it's not overriding anything from here) with
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# systemd.services.lifecycled.serviceConfig.Environment
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configFile = pkgs.writeText "lifecycled" ''
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LIFECYCLED_HANDLER=${cfg.handler}
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${lib.optionalString (cfg.cloudwatchGroup != null) "LIFECYCLED_CLOUDWATCH_GROUP=${cfg.cloudwatchGroup}"}
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${lib.optionalString (cfg.cloudwatchStream != null) "LIFECYCLED_CLOUDWATCH_STREAM=${cfg.cloudwatchStream}"}
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${lib.optionalString cfg.debug "LIFECYCLED_DEBUG=${lib.boolToString cfg.debug}"}
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${lib.optionalString (cfg.instanceId != null) "LIFECYCLED_INSTANCE_ID=${cfg.instanceId}"}
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${lib.optionalString cfg.json "LIFECYCLED_JSON=${lib.boolToString cfg.json}"}
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${lib.optionalString cfg.noSpot "LIFECYCLED_NO_SPOT=${lib.boolToString cfg.noSpot}"}
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${lib.optionalString (cfg.snsTopic != null) "LIFECYCLED_SNS_TOPIC=${cfg.snsTopic}"}
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${lib.optionalString (cfg.awsRegion != null) "AWS_REGION=${cfg.awsRegion}"}
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'';
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in
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{
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meta.maintainers = with maintainers; [ cole-h grahamc ];
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options = {
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services.lifecycled = {
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enable = mkEnableOption "lifecycled";
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queueCleaner = {
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enable = mkEnableOption "lifecycled-queue-cleaner";
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frequency = mkOption {
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type = types.str;
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default = "hourly";
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description = ''
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How often to trigger the queue cleaner.
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NOTE: This string should be a valid value for a systemd
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timer's <literal>OnCalendar</literal> configuration. See
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<citerefentry><refentrytitle>systemd.timer</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for more information.
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'';
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};
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parallel = mkOption {
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type = types.ints.unsigned;
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default = 20;
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description = ''
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The number of parallel deletes to run.
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'';
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};
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};
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instanceId = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The instance ID to listen for events for.
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'';
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};
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snsTopic = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The SNS topic that receives events.
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'';
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};
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noSpot = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Disable the spot termination listener.
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'';
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};
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handler = mkOption {
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type = types.path;
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description = ''
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The script to invoke to handle events.
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'';
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};
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json = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable JSON logging.
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'';
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};
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cloudwatchGroup = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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Write logs to a specific Cloudwatch Logs group.
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'';
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};
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cloudwatchStream = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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Write logs to a specific Cloudwatch Logs stream. Defaults to the instance ID.
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'';
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};
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debug = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable debugging information.
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'';
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};
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# XXX: Can be removed if / when
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# https://github.com/buildkite/lifecycled/pull/91 is merged.
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awsRegion = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The region used for accessing AWS services.
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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 = mkMerge [
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(mkIf cfg.enable {
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environment.etc."lifecycled".source = configFile;
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systemd.packages = [ pkgs.lifecycled ];
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systemd.services.lifecycled = {
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wantedBy = [ "network-online.target" ];
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restartTriggers = [ configFile ];
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};
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})
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(mkIf cfg.queueCleaner.enable {
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systemd.services.lifecycled-queue-cleaner = {
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description = "Lifecycle Daemon Queue Cleaner";
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environment = optionalAttrs (cfg.awsRegion != null) { AWS_REGION = cfg.awsRegion; };
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.lifecycled}/bin/lifecycled-queue-cleaner -parallel ${toString cfg.queueCleaner.parallel}";
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};
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};
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systemd.timers.lifecycled-queue-cleaner = {
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description = "Lifecycle Daemon Queue Cleaner Timer";
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wantedBy = [ "timers.target" ];
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after = [ "network-online.target" ];
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timerConfig = {
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Unit = "lifecycled-queue-cleaner.service";
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OnCalendar = "${cfg.queueCleaner.frequency}";
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};
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};
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})
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];
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}
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