141 lines
4.3 KiB
Nix
141 lines
4.3 KiB
Nix
{ config, pkgs, ... }:
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{
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microvm.mem = 4096;
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c3d2.deployment.server = "server10";
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environment.systemPackages = with pkgs; [ influxdb ];
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networking = {
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firewall = {
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# influxdb
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allowedTCPPorts = [ 8086 ];
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# collectd
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allowedUDPPorts = [ 25826 ];
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};
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hostName = "grafana";
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};
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services = {
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grafana = {
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enable = true;
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provision = {
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enable = true;
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# curl https://root:SECRET@grafana.hq.c3d2.de/api/datasources | jq > hosts/grafana/datasources.json
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datasources.settings.datasources = map
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(datasource: {
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inherit (datasource) name type access orgId url password user database isDefault jsonData;
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})
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(with builtins; fromJSON (readFile ./datasources.json));
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dashboards.settings.providers = [{
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settings = {
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apiVersion = 1;
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providers = [{
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name = "c3d2";
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}];
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};
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# for id in `curl https://root:SECRET@grafana.hq.c3d2.de/api/search | jq -j 'map(.uid) | join(" ")'`; do curl https://root:SECRET@grafana.hq.c3d2.de/api/dashboards/uid/$id | jq .dashboard > hosts/grafana/dashboards/$id.json;done
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options.path = ./dashboards;
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}];
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};
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settings = {
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analytics.reporting_enabled = false;
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"auth.anonymous" = {
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enabled = true;
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org_name = "Chaos";
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};
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"auth.generic_oauth" = {
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enabled = true;
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allow_assign_grafana_admin = true;
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allow_sign_up = true;
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api_url = "https://auth.c3d2.de/dex/userinfo";
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auth_url = "https://auth.c3d2.de/dex/auth";
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client_id = "grafana";
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client_secret = "$__file{${config.sops.secrets."grafana/client-secret".path}}";
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disable_login_form = true; # only allow OAuth
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icon = "signin";
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name = "auth.c3d2.de";
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oauth_auto_login = true; # redirect automatically to the only oauth provider
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role_attribute_path = "contains(groups[*], 'grafana-admins') && 'Admin'";
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# https://dexidp.io/docs/custom-scopes-claims-clients/
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scopes = "openid email groups profile offline_access";
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token_url = "https://auth.c3d2.de/dex/token";
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};
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security = {
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admin_password = "$__file{${config.sops.secrets."grafana/admin-password".path}}";
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secret_key = "$__file{${config.sops.secrets."grafana/secret-key".path}}";
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};
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server.domain = "grafana.hq.c3d2.de";
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users.allow_sign_up = false;
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};
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};
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influxdb =
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let
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collectdTypes = pkgs.runCommand "collectd-types" { } ''
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mkdir -p $out/share/collectd
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cat ${pkgs.collectd-data}/share/collectd/types.db >> $out/share/collectd/types.db
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echo "stations value:GAUGE:0:U" >> $out/share/collectd/types.db
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'';
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in
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{
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enable = true;
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extraConfig = {
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logging.level = "debug";
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collectd = [{
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enabled = true;
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database = "collectd";
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typesdb = "${collectdTypes}/share/collectd/types.db";
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# create retention policy "30d" on collectd duration 30d replication 1 default
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retention-policy = "30d";
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}];
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};
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};
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nginx = {
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enable = true;
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virtualHosts = {
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"grafana.hq.c3d2.de" = {
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default = true;
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enableACME = true;
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forceSSL = true;
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locations = { "/".proxyPass = "http://localhost:3000/"; };
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};
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};
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};
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};
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sops = {
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defaultSopsFile = ./secrets.yaml;
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secrets = let
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grafanaUser = {
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group = config.systemd.services.grafana.serviceConfig.User;
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owner = config.systemd.services.grafana.serviceConfig.User;
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};
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in {
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"grafana/admin-password" = grafanaUser;
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"grafana/client-secret" = grafanaUser;
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"grafana/secret-key" = grafanaUser;
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};
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};
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systemd.services =
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builtins.foldl'
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(services: service:
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services // {
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"${service}".serviceConfig = {
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RestartSec = 60;
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Restart = "always";
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};
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}
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)
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{ } [ "grafana" "influxdb" ]
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// {
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# work around our slow storage that can't keep up
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influxdb.serviceConfig.LimitNOFILE = "1048576:1048576";
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influxdb.serviceConfig.TimeoutStartSec = "infinity";
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};
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system.stateVersion = "22.05";
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}
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