grafana sso

nixos/default.nix

@@ -110,5 +110,8 @@ in {
     "net.ipv4.ip_unprivileged_port_start" = 53;
   };
 
-  services.prometheus.exporters.node.enable = true;
+  services.prometheus.exporters.node = {
+    enable = true;
+    enabledCollectors = [ "systemd" ];
+  };
 }

nixos/services/grafana.nix

@@ -1,8 +1,31 @@
 {config, ...}: let
   cfg = config.services.grafana;
+  secrets = config.age.secrets;
 in {
+  age.secrets.grafana_oidc_client_secret = {
+    file = ../../secrets/grafana/oidc/client_secret.age;
+    owner = "grafana";
+  };
   services.grafana = {
     enable = true;
+    settings = {
+      server = {
+        root_url = "https://${cfg.settings.server.domain}";
+      };
+      "auth.generic_oauth" = {
+        enabled = true;
+        name = "authentik";
+        client_id = "TNMLGFxpovO0jPptxD0nYmjnuytXd1MphjFS20uE";
+        client_secret = "$__file{${secrets.grafana_oidc_client_secret.path}}";
+        scopes = toString ["openid" "profile" "email"];
+        auth_url = "https://auth.tristans.cloud/application/o/authorize/";
+        token_url = "https://auth.tristans.cloud/application/o/token/";
+        api_url = "https://auth.tristans.cloud/application/o/userinfo/";
+        redirect_url = "https://auth.tristans.cloud/application/o/grafana/end-session/";
+        role_attribute_path =
+          "contains(groups[*], 'Grafana Admins') && 'Admin' || contains(groups[*], 'Grafana Editors') && 'Editor' || 'Viewer'";
+      };
+    };
   };
   services.nginx.virtualHosts = {
     ${cfg.settings.server.domain} = {

nixos/services/prometheus.nix

@@ -1,5 +1,22 @@
+{config, ...}:
+let
+  inherit ( config.services ) prometheus;
+  nodes = [
+    "100.65.29.110"
+    "100.106.241.122"
+  ];
+  addPort = ip: "${ip}:${toString prometheus.exporters.node.port}";
+in
 {
   services.prometheus = {
     enable = true;
+    scrapeConfigs = [
+      {
+        job_name = "nodes";
+        static_configs = [{
+          targets = builtins.map addPort nodes;
+        }];
+      }
+    ];
   };
 }