feat(flora-6): init grafana + prometheus on

grafana.pub.solar

hosts/flora-6/apps/caddy.nix

@@ -27,6 +27,14 @@
           reverse_proxy :4000
         '';
       };
+      "grafana.pub.solar" = {
+        logFormat = lib.mkForce ''
+          output discard
+        '';
+        extraConfig = ''
+          reverse_proxy :${toString config.services.grafana.settings.server.http_port}
+        '';
+      };
       "obs-portal.pub.solar" = {
         logFormat = lib.mkForce ''
           output discard

hosts/flora-6/apps/grafana.nix

@@ -0,0 +1,67 @@
+{
+  config,
+  lib,
+  pkgs,
+  flake,
+  ...
+}: {
+  age.secrets.grafana-admin-password = {
+    file = "${flake.self}/secrets/grafana-admin-password.age";
+    mode = "644";
+    owner = "grafana";
+  };
+  age.secrets.grafana-smtp-password = {
+    file = "${flake.self}/secrets/grafana-smtp-password.age";
+    mode = "644";
+    owner = "grafana";
+  };
+  age.secrets.grafana-keycloak-client-secret = {
+    file = "${flake.self}/secrets/grafana-keycloak-client-secret.age";
+    mode = "644";
+    owner = "grafana";
+  };
+
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        # Listening Address
+        http_addr = "127.0.0.1";
+        # and Port
+        http_port = 3000;
+        # Grafana needs to know on which domain and URL it's running
+        domain = "grafana.pub.solar";
+        enable_gzip = true;
+      };
+      smtp = {
+        enabled = true;
+        host = "mx2.greenbaum.cloud:465";
+        user = "admins@pub.solar";
+        password = "\$__file{${config.age.secrets.grafana-smtp-password.path}}";
+        from_address = "no-reply@pub.solar";
+        from_name = "grafana.pub.solar";
+        ehlo_identity = "flora-6.pub.solar";
+      };
+      security = {
+        admin_email = "crew@pub.solar";
+        admin_password = "\$__file{${config.age.secrets.grafana-admin-password.path}}";
+      };
+      "auth.generic_oauth" = {
+        enabled = true;
+        name = "pub.solar ID";
+        allow_sign_up = true;
+        client_id = "grafana";
+        client_secret = "\$__file{${config.age.secrets.grafana-keycloak-client-secret.path}}";
+        scopes = "openid email profile offline_access roles";
+        email_attribute_path = "email";
+        login_attribute_path = "preferred_username";
+        name_attribute_path = "full_name";
+        auth_url = "https://auth.pub.solar/realms/pub.solar/protocol/openid-connect/auth";
+        token_url = "https://auth.pub.solar/realms/pub.solar/protocol/openid-connect/token";
+        api_url = "https://auth.pub.solar/realms/pub.solar/protocol/openid-connect/userinfo";
+        role_attribute_path = "contains(info.roles[*], 'admin') && 'GrafanaAdmin' || contains(info.roles[*], 'editor') && 'Editor' || 'Viewer'";
+        allow_assign_grafana_admin = true;
+      };
+    };
+  };
+}

hosts/flora-6/apps/prometheus.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  pkgs,
+  flake,
+  ...
+}: {
+  services.prometheus = {
+    enable = true;
+    port = 9001;
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = [ "systemd" ];
+        port = 9002;
+      };
+    };
+    scrapeConfigs = [
+      {
+        job_name = "flora-6";
+        static_configs = [{
+          targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.node.port}" ];
+        }];
+      }
+    ];
+  };
+}

hosts/flora-6/default.nix

@@ -11,5 +11,7 @@
 
       ./apps/drone.nix
       ./apps/forgejo-actions-runner.nix
+      ./apps/grafana.nix
+      ./apps/prometheus.nix
     ];
 }

secrets/grafana-keycloak-client-secret.age

@@ -0,0 +1,28 @@
+age-encryption.org/v1
+-> ssh-ed25519 Y0ZZaw M6ha3gQ4Oq4PdymYZ5ZG0qGwFlpCYfJdhOBwH9n1gxg
+zCtB0PJanufNdV0ShynDT0Z/2jxMFDRby8xsfv6YPaA
+-> ssh-ed25519 uYcDNw V89Ll4HJ3ZkQegiCI6gswz736domVgDGSDCA8bZBwHs
+W7IrEL+1xUXuVdy6A61z6P+pS/ajTGPL+qv+9Jh8UxI
+-> ssh-rsa kFDS0A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+-> ssh-ed25519 YFSOsg KKhXh/XW7iF7wMA7JD9fbgmty5yVPaSS1vGdHz0Xh0M
+eLJc+F/yIR1ckZX/npLI+l3I2iB+OrKBkJAQTkbWVF4
+-> ssh-ed25519 iHV63A xoJ7Tr8mKgYVPPeJYBnOHLBY5E0i34vEQR3pMVKxbAc
+TKqc9Y/RpnfTP3CNvCearB4FuvNmW0mcGVLh7Ebjzeo
+-> ssh-ed25519 BVsyTA LaMK6X/MJyQTQ24p9uHXh75leMcp/akCA2YZACEG03M
+psw6sVlNGT8WsG3L9kbXdrhqxp8hIdSF7s4o60jTYgY
+-> vcxmk`-grease 8^p$~+LB -G)+N&$^ P)7#7[wX
+8TyK2RrSHFuMyFy9YY7ZI6RSduF5hw6xZKhiysVkif4Husb1flN8QVmWtoW8laWz
+n8772TmNTcfq5ebUp+UA+S6MVgf75D1GnDumEDH/LbM4LNjRZzyw3nBGu/Q
+--- Ouu56e69gTpAY1ouLPlzI/n6geKz1CMmTl8wAVyIDPM
+Ÿ·¢5¿ä7W>J@°óðj’Á–€l_ƒ¥«­Ï/œö÷ú=ßÕ»‰4(²<18>²K» µÅÑ¥„zSÌsæ

secrets/secrets.nix

@@ -62,4 +62,8 @@ in {
   "mediawiki-secret-key.age".publicKeys = nachtigallKeys ++ baseKeys;
 
   "coturn-static-auth-secret.age".publicKeys = nachtigallKeys ++ baseKeys;
+
+  "grafana-admin-password.age".publicKeys = flora6Keys ++ baseKeys;
+  "grafana-keycloak-client-secret.age".publicKeys = flora6Keys ++ baseKeys;
+  "grafana-smtp-password.age".publicKeys = flora6Keys ++ baseKeys;
 }

terraform/dns.tf

@@ -83,6 +83,11 @@ resource "namecheap_domain_records" "pub-solar" {
     address = "138.201.80.102"
     ttl = 300
   }
+  record {
+    hostname = "grafana"
+    type = "CNAME"
+    address = "nachtigall.pub.solar."
+  }
   record {
     hostname = "hpb"
     type = "A"