113 lines
3.1 KiB
Nix
113 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.clerie.monitoring;
|
|
|
|
monitoring-network-base = "fd00:327:327:327::";
|
|
|
|
in
|
|
|
|
{
|
|
options = {
|
|
clerie.monitoring = {
|
|
enable = mkEnableOption "clerie's Monitoring";
|
|
id = mkOption {
|
|
type = types.str;
|
|
description = "ID of the Monitoring Interface (it is actually a part of an ip address)";
|
|
};
|
|
pubkey = mkOption {
|
|
type = types.str;
|
|
description = "Public Key of the monitoring wireguard interface of this host";
|
|
};
|
|
bird = mkEnableOption "Monitor bird";
|
|
blackbox = mkEnableOption "Monitor blackbox";
|
|
nixos = mkOption {
|
|
type = types.bool;
|
|
default = true;
|
|
description = "Monitor NixOS";
|
|
};
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
networking.wireguard.enable = true;
|
|
networking.wireguard.interfaces = {
|
|
wg-monitoring = {
|
|
ips = [ "${monitoring-network-base}${cfg.id}/64" ];
|
|
peers = [
|
|
{
|
|
endpoint = "[2001:638:904:ffca::7]:54523";
|
|
persistentKeepalive = 25;
|
|
allowedIPs = [ "${monitoring-network-base}/64" ];
|
|
publicKey = "eyhJKV41E1F0gZHBNqyzUnj72xg5f3bdDduVtpPN4AY=";
|
|
}
|
|
];
|
|
privateKeyFile = "/var/src/secrets/wireguard/wg-monitoring";
|
|
};
|
|
};
|
|
|
|
services.prometheus.exporters.node = {
|
|
enable = true;
|
|
#listenAddress = "${monitoring-network-base}${cfg.id}";
|
|
openFirewall = true;
|
|
firewallFilter = "-i wg-monitoring -p tcp -m tcp --dport 9100";
|
|
};
|
|
|
|
systemd.services."prometheus-node-exporter".serviceConfig.RestrictAddressFamilies = [ "AF_NETLINK" ];
|
|
|
|
services.prometheus.exporters.bird = mkIf cfg.bird {
|
|
enable = true;
|
|
openFirewall = true;
|
|
firewallFilter = "-i wg-monitoring -p tcp -m tcp --dport 9324";
|
|
};
|
|
|
|
services.prometheus.exporters.blackbox = mkIf cfg.blackbox {
|
|
enable = true;
|
|
openFirewall = true;
|
|
firewallFilter = "-i wg-monitoring -p tcp -m tcp --dport 9115";
|
|
configFile = pkgs.writeText "blackbox.yml" ''
|
|
modules:
|
|
icmp6:
|
|
prober: icmp
|
|
icmp:
|
|
preferred_ip_protocol: ip6
|
|
ip_protocol_fallback: false
|
|
icmp4:
|
|
prober: icmp
|
|
icmp:
|
|
preferred_ip_protocol: ip4
|
|
ip_protocol_fallback: false
|
|
'';
|
|
};
|
|
|
|
users.users."nixos-exporter" = {
|
|
isSystemUser = true;
|
|
group = "nixos-exporter";
|
|
};
|
|
|
|
users.groups."nixos-exporter" = {};
|
|
|
|
systemd.services."prometheus-nixos-exporter" = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" ];
|
|
serviceConfig = {
|
|
Restart = "always";
|
|
PrivateTmp = true;
|
|
WorkingDirectory = "/tmp";
|
|
RuntimeDirectory = "prometheus-nixos-exporter";
|
|
User = "nixos-exporter";
|
|
Group = "nixos-exporter";
|
|
ExecStart = ''
|
|
${pkgs.nixos-exporter}/bin/nixos-exporter --listen [::]:9152
|
|
'';
|
|
};
|
|
};
|
|
|
|
networking.firewall.extraCommands = ''
|
|
ip46tables -A nixos-fw -i wg-monitoring -p tcp -m tcp --dport 9152 -m comment --comment nixos-exporter -j nixos-fw-accept
|
|
'';
|
|
};
|
|
}
|