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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.kibana;
cfgFile = pkgs.writeText "kibana.json" (builtins.toJSON (
(filterAttrsRecursive (n: v: v != null) ({
host = cfg.listenAddress;
port = cfg.port;
ssl_cert_file = cfg.cert;
ssl_key_file = cfg.key;
kibana_index = cfg.index;
default_app_id = cfg.defaultAppId;
elasticsearch_url = cfg.elasticsearch.url;
kibana_elasticsearch_username = cfg.elasticsearch.username;
kibana_elasticsearch_password = cfg.elasticsearch.password;
kibana_elasticsearch_cert = cfg.elasticsearch.cert;
kibana_elasticsearch_key = cfg.elasticsearch.key;
ca = cfg.elasticsearch.ca;
bundled_plugin_ids = [
"plugins/dashboard/index"
"plugins/discover/index"
"plugins/doc/index"
"plugins/kibana/index"
"plugins/markdown_vis/index"
"plugins/metric_vis/index"
"plugins/settings/index"
"plugins/table_vis/index"
"plugins/vis_types/index"
"plugins/visualize/index"
];
} // cfg.extraConf)
)));
in {
options.services.kibana = {
enable = mkEnableOption "enable kibana service";
listenAddress = mkOption {
description = "Kibana listening host";
default = "127.0.0.1";
type = types.str;
};
port = mkOption {
description = "Kibana listening port";
default = 5601;
type = types.int;
};
cert = mkOption {
description = "Kibana ssl certificate.";
default = null;
type = types.nullOr types.path;
};
key = mkOption {
description = "Kibana ssl key.";
default = null;
type = types.nullOr types.path;
};
index = mkOption {
description = "Elasticsearch index to use for saving kibana config.";
default = ".kibana";
type = types.str;
};
defaultAppId = mkOption {
description = "Elasticsearch default application id.";
default = "discover";
type = types.str;
};
elasticsearch = {
url = mkOption {
description = "Elasticsearch url";
default = "http://localhost:9200";
type = types.str;
};
username = mkOption {
description = "Username for elasticsearch basic auth.";
default = null;
type = types.nullOr types.str;
};
password = mkOption {
description = "Password for elasticsearch basic auth.";
default = null;
type = types.nullOr types.str;
};
ca = mkOption {
description = "CA file to auth against elasticsearch.";
default = null;
type = types.nullOr types.path;
};
cert = mkOption {
description = "Certificate file to auth against elasticsearch.";
default = null;
type = types.nullOr types.path;
};
key = mkOption {
description = "Key file to auth against elasticsearch.";
default = null;
type = types.nullOr types.path;
};
};
package = mkOption {
description = "Kibana package to use";
default = pkgs.kibana;
defaultText = "pkgs.kibana";
type = types.package;
};
dataDir = mkOption {
description = "Kibana data directory";
default = "/var/lib/kibana";
type = types.path;
};
extraConf = mkOption {
description = "Kibana extra configuration";
default = {};
type = types.attrs;
};
};
config = mkIf (cfg.enable) {
systemd.services.kibana = {
description = "Kibana Service";
wantedBy = [ "multi-user.target" ];
after = [ "network-interfaces.target" "elasticsearch.service" ];
environment = { BABEL_CACHE_PATH = "${cfg.dataDir}/.babelcache.json"; };
serviceConfig = {
ExecStart = "${cfg.package}/bin/kibana --config ${cfgFile}";
User = "kibana";
WorkingDirectory = cfg.dataDir;
};
};
environment.systemPackages = [ cfg.package ];
users.extraUsers = singleton {
name = "kibana";
uid = config.ids.uids.kibana;
description = "Kibana service user";
home = cfg.dataDir;
createHome = true;
};
};
}
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