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https://github.com/nmasur/dotfiles
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abstract grafana in prometheus config
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parent
4c4e250fa1
commit
ee58f7a4ee
@ -6,10 +6,13 @@
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default = null;
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};
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# If hosting Grafana, host local Prometheus and listen for inbound jobs.
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# If not hosting Grafana, send remote Prometheus writes to primary host
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config = let
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config = lib.mkIf config.services.prometheus.enable {
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# If hosting Grafana, host local Prometheus and listen for inbound jobs. If
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# not hosting Grafana, send remote Prometheus writes to primary host.
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isServer = config.services.grafana.enable;
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in lib.mkIf config.services.prometheus.enable {
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services.prometheus = {
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exporters.node.enable = true;
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@ -17,10 +20,9 @@
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job_name = "local";
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static_configs = [{ targets = [ "127.0.0.1:9100" ]; }];
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}];
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webExternalUrl = lib.mkIf config.services.grafana.enable
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"https://${config.prometheusServer}";
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webExternalUrl = lib.mkIf isServer "https://${config.prometheusServer}";
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# Web config file: https://prometheus.io/docs/prometheus/latest/configuration/https/
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webConfigFile = lib.mkIf config.services.grafana.enable
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webConfigFile = lib.mkIf isServer
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((pkgs.formats.yaml { }).generate "webconfig.yml" {
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basic_auth_users = {
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# Generate password: htpasswd -nBC 10 "" | tr -d ':\n'
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@ -29,7 +31,7 @@
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"$2y$10$r7FWHLHTGPAY312PdhkPEuvb05aGn9Nk1IO7qtUUUjmaDl35l6sLa";
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};
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});
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remoteWrite = lib.mkIf (!config.services.grafana.enable) [{
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remoteWrite = lib.mkIf (!isServer) [{
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name = config.networking.hostName;
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url = "https://${config.prometheusServer}";
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basic_auth = {
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@ -41,20 +43,19 @@
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};
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# Create credentials file for remote Prometheus push
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secrets.prometheus = lib.mkIf (!config.services.grafana.enable) {
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secrets.prometheus = lib.mkIf (!isServer) {
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source = ../../../private/prometheus.age;
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dest = "${config.secretsDirectory}/prometheus";
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owner = "prometheus";
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group = "prometheus";
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permissions = "0440";
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};
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systemd.services.prometheus-secret =
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lib.mkIf (!config.services.grafana.enable) {
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systemd.services.prometheus-secret = lib.mkIf (!isServer) {
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requiredBy = [ "prometheus.service" ];
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before = [ "prometheus.service" ];
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};
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caddy.routes = lib.mkIf config.services.grafana.enable [{
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caddy.routes = lib.mkIf isServer [{
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match = [{ host = [ config.prometheusServer ]; }];
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handle = [{
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handler = "reverse_proxy";
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