nixos/prometheus-bind-exporter: add module

This commit is contained in:
Jean-Philippe Braun 2018-12-23 15:03:12 +01:00 committed by Robin Gloster
parent c74054f1d1
commit 4f99f8d2cb
3 changed files with 75 additions and 0 deletions

View file

@ -33,6 +33,7 @@ let
tor = import ./exporters/tor.nix { inherit config lib pkgs; };
unifi = import ./exporters/unifi.nix { inherit config lib pkgs; };
varnish = import ./exporters/varnish.nix { inherit config lib pkgs; };
bind = import ./exporters/bind.nix { inherit config lib pkgs; };
};
mkExporterOpts = ({ name, port }: {

View file

@ -0,0 +1,55 @@
{ config, lib, pkgs }:
with lib;
let
cfg = config.services.prometheus.exporters.bind;
in
{
port = 9119;
extraOpts = {
bindURI = mkOption {
type = types.str;
default = "http://localhost:8053/";
description = ''
HTTP XML API address of an Bind server.
'';
};
bindTimeout = mkOption {
type = types.str;
default = "10s";
description = ''
Timeout for trying to get stats from Bind.
'';
};
bindVersion = mkOption {
type = types.enum [ "xml.v2" "xml.v3" "auto" ];
default = "auto";
description = ''
BIND statistics version. Can be detected automatically.
'';
};
bindGroups = mkOption {
type = types.listOf (types.enum [ "server" "view" "tasks" ]);
default = [ "server" "view" ];
description = ''
List of statistics to collect. Available: [server, view, tasks]
'';
};
};
serviceOpts = {
serviceConfig = {
DynamicUser = true;
ExecStart = ''
${pkgs.prometheus-bind-exporter}/bin/bind_exporter \
-web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
-bind.pid-file /var/run/named/named.pid \
-bind.timeout ${toString cfg.bindTimeout} \
-bind.stats-url ${cfg.bindURI} \
-bind.stats-version ${cfg.bindVersion} \
-bind.stats-groups ${concatStringsSep "," cfg.bindGroups} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
};
};
}

View file

@ -106,6 +106,25 @@ let
'';
};
bind = {
exporterConfig = {
enable = true;
};
metricProvider = {
services.bind.enable = true;
services.bind.extraConfig = ''
statistics-channels {
inet 127.0.0.1 port 8053 allow { localhost; };
};
'';
};
exporterTest = ''
waitForUnit("prometheus-bind-exporter.service");
waitForOpenPort(9119);
succeed("curl -sSf http://localhost:9119/metrics" | grep -q 'bind_query_recursions_total 0');
'';
};
dovecot = {
exporterConfig = {
enable = true;