78 lines
1.8 KiB
Nix
78 lines
1.8 KiB
Nix
{
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options,
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config,
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lib,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.aa.services.promtail;
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loki = config.services.loki;
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in {
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options.aa.services.promtail = with types; {
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enable = mkEnableOption "promtail";
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acmeCertName = mkOption {
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type = str;
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default = "";
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description = ''
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If set to a non-empty string, forces SSL with the supplied acme
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certificate.
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'';
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};
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};
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config = mkIf cfg.enable {
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services.promtail = {
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enable = true;
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configuration = {
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server = {
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http_listen_port = 28183;
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grpc_listen_port = 0;
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};
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positions = {
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filename = "/tmp/positions.yaml";
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};
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clients = [
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{
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url = "http://127.0.0.1:${toString loki.configuration.server.http_listen_port}/loki/api/v1/push";
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}
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];
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scrape_configs = [
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{
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job_name = "journal";
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journal = {
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max_age = "12h";
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labels = {
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job = "systemd-journal";
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host = "node";
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};
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};
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relabel_configs = [
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{
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source_labels = ["__journal__systemd_unit"];
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target_label = "unit";
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}
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];
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}
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];
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};
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};
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services.nginx = mkIf (cfg.acmeCertName != "") {
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enable = true;
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# Confirm with /loki/api/v1/status/buildinfo
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virtualHosts."promtail.${cfg.acmeCertName}" = {
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locations."/" = {
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proxyPass = "http://localhost:${toString config.services.promtail.configuration.server.http_listen_port}";
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};
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forceSSL = true;
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useACMEHost = cfg.acmeCertName;
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};
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};
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networking.firewall = {
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allowedTCPPorts = [80 443];
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};
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};
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}
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