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95 lines
2.7 KiB
95 lines
2.7 KiB
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.elasticsearch-curator;
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curatorConfig = pkgs.writeTextFile {
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name = "config.yaml";
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text = ''
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---
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# Remember, leave a key empty if there is no value. None will be a string,
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# not a Python "NoneType"
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client:
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hosts: ${builtins.toJSON cfg.hosts}
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port: ${toString cfg.port}
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url_prefix:
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use_ssl: False
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certificate:
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client_cert:
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client_key:
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ssl_no_validate: False
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http_auth:
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timeout: 30
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master_only: False
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logging:
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loglevel: INFO
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logfile:
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logformat: default
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blacklist: ['elasticsearch', 'urllib3']
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'';
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};
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curatorAction = pkgs.writeTextFile {
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name = "action.yaml";
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text = cfg.actionYAML;
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};
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in {
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options.services.elasticsearch-curator = {
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enable = mkEnableOption "elasticsearch curator";
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interval = mkOption {
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description = "The frequency to run curator, a systemd.time such as 'hourly'";
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default = "hourly";
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type = types.str;
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};
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hosts = mkOption {
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description = "a list of elasticsearch hosts to connect to";
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type = types.listOf types.str;
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default = ["localhost"];
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};
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port = mkOption {
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description = "the port that elasticsearch is listening on";
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type = types.int;
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default = 9200;
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};
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actionYAML = mkOption {
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description = "curator action.yaml file contents, alternatively use curator-cli which takes a simple action command";
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type = types.lines;
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example = ''
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---
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actions:
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1:
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action: delete_indices
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description: >-
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Delete indices older than 45 days (based on index name), for logstash-
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prefixed indices. Ignore the error if the filter does not result in an
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actionable list of indices (ignore_empty_list) and exit cleanly.
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options:
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ignore_empty_list: True
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disable_action: False
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filters:
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- filtertype: pattern
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kind: prefix
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value: logstash-
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- filtertype: age
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source: name
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direction: older
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timestring: '%Y.%m.%d'
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unit: days
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unit_count: 45
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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.elasticsearch-curator = {
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startAt = cfg.interval;
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serviceConfig = {
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ExecStart =
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"${pkgs.elasticsearch-curator}/bin/curator" +
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" --config ${curatorConfig} ${curatorAction}";
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};
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};
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};
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}
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