nix-config/modules/services/nginx.nix
Bruno BELANYI afb683f1cf flake: bump inputs
And update package names for grafana dashboards to avoid breaking the
config.
2021-07-29 13:42:28 +02:00

74 lines
1.9 KiB
Nix

# Configuration shamelessly stolen from [1]
#
# [1]: https://github.com/delroth/infra.delroth.net/blob/master/common/nginx.nix
{ config, lib, pkgs, ... }:
{
# Whenever something defines an nginx vhost, ensure that nginx defaults are
# properly set.
config = lib.mkIf ((builtins.attrNames config.services.nginx.virtualHosts) != [ ]) {
services.nginx = {
enable = true;
statusPage = true; # For monitoring scraping.
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedTlsSettings = true;
recommendedProxySettings = true;
};
networking.firewall.allowedTCPPorts = [ 80 443 ];
# Nginx needs to be able to read the certificates
users.users.nginx.extraGroups = [ "acme" ];
# Use DNS wildcard certificate
security.acme = {
email = "bruno.acme@belanyi.fr";
acceptTerms = true;
certs =
let
domain = config.networking.domain;
key = config.my.secrets.acme.key;
in
with pkgs;
{
"${domain}" = {
extraDomainNames = [ "*.${domain}" ];
dnsProvider = "gandiv5";
credentialsFile = writeText "key.env" key; # Unsecure, I don't care.
};
};
};
# Setup monitoring
services.grafana.provision.dashboards = [
{
name = "NGINX";
options.path = pkgs.nur.repos.alarsyo.grafanaDashboards.nginx;
disableDeletion = true;
}
];
services.prometheus = {
exporters.nginx = {
enable = true;
listenAddress = "127.0.0.1";
};
scrapeConfigs = [
{
job_name = "nginx";
static_configs = [
{
targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.nginx.port}" ];
labels = {
instance = config.networking.hostName;
};
}
];
}
];
};
};
}