nixos/hosts/common/optional/nixos-containers/metrics-server.nix

132 lines
2.8 KiB
Nix

{
pkgs,
lib,
configVars,
...
}: let
containerName = "metrics-server";
containerIp = configVars.networking.addresses.metrics-server.ip;
dockerContainerIp = configVars.networking.addresses.docker.ip;
semitaIp = configVars.networking.addresses.semita.ip;
gatewayIp = configVars.networking.addresses.gateway.ip;
metricsServerContainerData = configVars.locations.metricsServerContainerData;
pubKeys = lib.filesystem.listFilesRecursive ../../users/keys;
in {
networking.nat.enable = true;
networking.nat.internalInterfaces = ["ve-+"];
networking.nat.externalInterface = "br0";
services.restic.backups = {
daily = {
paths = [
metricsServerContainerData
];
exclude = [
];
};
};
environment.persistence."/persist" = {
hideMounts = true;
directories = [
"/var/lib/nixos-containers/${containerName}"
];
};
containers."${containerName}" = {
enableTun = true;
autoStart = true;
privateNetwork = true;
hostBridge = "br0";
nixpkgs = pkgs.path;
bindMounts = {
"/var/lib/" = {
hostPath = metricsServerContainerData;
isReadOnly = false;
};
};
config = {
pkgs,
lib,
config,
...
}: {
networking = {
defaultGateway = "${gatewayIp}";
interfaces.eth0.ipv4.addresses = [
{
"address" = "${containerIp}";
"prefixLength" = 24;
}
];
firewall = {
enable = true;
allowedTCPPorts = [
config.services.prometheus.port
config.services.grafana.port
];
};
useHostResolvConf = lib.mkForce false;
};
services.resolved.enable = true;
imports = [
];
environment.systemPackages = [
pkgs.vim
pkgs.git
];
services.prometheus = {
enable = true;
port = 9001;
scrapeConfigs = [
{
job_name = "node_exporter";
static_configs = [
{
targets = [
"${dockerContainerIp}:9100"
"${semitaIp}:9100"
];
}
];
}
];
};
services.grafana = {
enable = true;
port = 2342;
addr = "0.0.0.0";
};
services.prometheus = {
exporters = {
node = {
enable = true;
enabledCollectors = ["systemd"];
port = 9002;
};
};
};
services.openssh = {
enable = true;
settings.PasswordAuthentication = false;
};
users.users = {
root = {
openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
};
};
system.stateVersion = "24.05";
};
};
}