nix-config/hosts/containers/elastic/configuration.nix

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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running nixos-help).
{ config, pkgs, lib, ... }:
{
imports =
[ ../../../lib/lxc-container.nix
../../../lib/shared.nix
../../../lib/admins.nix
];
environment.systemPackages = with pkgs; [
vim
];
networking = {
hostName = "elastic1";
firewall = {
allowedTCPPorts = [
22
9200
9300
];
enable = true;
};
};
nixpkgs.config.allowUnfree = true;
services.openssh = {
enable = true;
permitRootLogin = "yes";
};
services.elasticsearch = {
enable = true;
cluster_name = "zentralwerk";
dataDir = "/srv/elasticsearch";
listenAddress = "0.0.0.0";
};
# does not work, needs to be set on hv (done through ansible)
boot.kernel.sysctl = {
"vm.max_map_count"="262144";
};
services.elasticsearch-curator = {
enable = true;
actionYAML = ''
---
actions:
1:
action: delete_indices
description: >-
Delete indices older than 45 days (based on index name), for logstash-
prefixed indices. Ignore the error if the filter does not result in an
actionable list of indices (ignore_empty_list) and exit cleanly.
options:
ignore_empty_list: True
disable_action: False
filters:
- filtertype: pattern
kind: prefix
value: logstash-
- filtertype: age
source: name
direction: older
timestring: '%Y.%m.%d'
unit: days
unit_count: 45
'';
};
system.stateVersion = "18.09"; # Did you read the comment?
}