common/default.nix

@@ -72,16 +72,5 @@
     permitRootLogin = "yes";
   };
 
-  security.acme.acceptTerms = true;
-  security.acme.defaults.email = "vcp-letsencrypt@clerie.de";
-  services.nginx = {
-   enable = true;
-   clientMaxBodySize = "400M";
-   recommendedGzipSettings = true;
-   recommendedOptimisation = true;
-   recommendedProxySettings = true;
-   recommendedTlsSettings = true;
-  };
-
   security.sudo.wheelNeedsPassword = false;
 }

flake.nix

@@ -21,10 +21,6 @@
         deployment.targetUser = null;
       };
 
-      monitoring = { config, pkgs, ... }: {
-        deployment.targetHost = "monitoring.bula22.de";
-      };
-
       nixdeploy = {...}: {
         deployment.targetHost = "nixdeploy.bula22.de";
         deployment.allowLocalDeployment = true;

hosts/monitoring/alertmanager-rules.yml

@@ -1,11 +0,0 @@
-groups:
-- name: alert.rules
-  rules:
-  - alert: InstanceDown
-    expr: up{job="node-exporter"} == 0
-    for: 5m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Endpoint {{ $labels.instance }} down"
-      description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes."

hosts/monitoring/configuration.nix

@@ -6,18 +6,13 @@ with lib;
     [
       ./hardware-configuration.nix
     ];
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/sda";
   networking.hostName = "monitoring";
   networking.useDHCP = false;
-  networking.interfaces.ens18.ipv4.addresses = [
-    {address = "10.42.10.7"; prefixLength = 24; }
-  ];
-  networking.interfaces.ens18.ipv6.addresses = [
-    {address = "2a01:4f8:1c0c:8221::7"; prefixLength = 64; }
-    {address = "2a01:4f8:1c0c:8221::1984"; prefixLength = 64; }
-  ];
+  networking.interfaces.ens18.ipv4.addresses = [ { address = ""; prefixLength = 24; } ];
+  networking.interfaces.ens18.ipv6.addresses = [ { address = ""; prefixLength = 64; } ];
   networking.defaultGateway = { address = "10.42.10.1"; interface = "ens18"; };
   networking.defaultGateway6 = { address = "2a01:4f8:1c0c:8221::1"; interface = "ens18"; };
   networking.nameservers = [ "2a01:4f8:1c0c:8221::1" "10.42.10.1" ];
@@ -26,17 +21,7 @@ with lib;
     enable = true;
     listenAddress = "[::1]";
     port = 9093;
-    configuration = {
-      route = {
-        receiver = "default";
-        group_by = [ "instance" ];
-      };
-      receivers = [
-        {
-          name = "default";
-        }
-      ];
-    };
+    configuration = {};
   };
   services.prometheus = {
     enable = true;
@@ -75,7 +60,7 @@ with lib;
         } ];
       }
     ];
-    rules = [ (readFile ./alertmanager-rules.yml) ];
+    rules = [ (readFile ./rules.yml) ];
   };
   services.grafana = {
     enable  = true;
@@ -94,7 +79,11 @@ with lib;
           isDefault = true;
         }
       ];
-      dashboards = [];
+      dashboards = [
+        {
+          options.path = ./dashboards;
+        }
+      ];
     };
   };
   services.nginx = {
@@ -113,6 +102,5 @@ with lib;
     };
   };
   networking.firewall.allowedTCPPorts = [ 80 443 ];
-
-  system.stateVersion = "22.05";
+  system.stateVersion = "";
 }

hosts/monitoring/hardware-configuration.nix

@@ -1,36 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/121f5b0c-2726-4d38-befe-52a27ef310a8";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/E1EE-618A";
-      fsType = "vfat";
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
-
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}