feat: add telegraf module

hosts/common/core/default.nix

@@ -21,6 +21,7 @@
     ../../../modules/promtail.nix
     ../../../modules/proxied-domains.nix
     ../../../modules/repo.nix
+    ../../../modules/telegraf.nix
     ../../../modules/wireguard.nix
   ];
 

hosts/common/core/impermanence.nix

@@ -147,6 +147,14 @@
           group = "influxdb2";
           mode = "0700";
         }
+      ]
+      ++ lib.optionals config.services.telegraf.enable [
+        {
+          directory = "/var/lib/telegraf";
+          user = "telegraf";
+          group = "telegraf";
+          mode = "0700";
+        }
       ];
   };
 }

hosts/common/core/system.nix

@@ -436,5 +436,6 @@
     vaultwarden = uidGid 988;
     oauth2_proxy = uidGid 987;
     influxdb2 = uidGid 986;
+    telegraf = uidGid 985;
   };
 }

hosts/common/zfs.nix

@@ -1,6 +1,7 @@
 {
-  pkgs,
   config,
+  lib,
+  pkgs,
   ...
 }: {
   boot.supportedFilesystems = ["zfs"];
@@ -22,4 +23,8 @@
       interval = "weekly";
     };
   };
+
+  services.telegraf.extraConfig.inputs = lib.mkIf config.services.telegraf.enable {
+    zfs.poolMetrics = true;
+  };
 }

hosts/ward/default.nix

@@ -25,6 +25,16 @@
     proxy = "sentinel";
   };
 
+  extra.telegraf = {
+    enable = true;
+    proxy = "sentinel";
+    # TODO organization = "servers";
+    # TODO bucket = "telegraf";
+  };
+
+  # TODO track my github stats
+  # services.telegraf.extraConfig.inputs.github = {};
+
   extra.microvms.vms = let
     defaults = {
       system = "x86_64-linux";
@@ -53,9 +63,6 @@
   #minecraft = defineVm;
   #firefly
 
-  #prometheus
-  #influxdb
-
   #maddy = defineVm;
   #anonaddy = defineVm;
 

hosts/ward/microvms/grafana/default.nix

@@ -35,9 +35,8 @@ in {
     group = "grafana";
   };
 
-  age.secrets.grafana-influxdb-basic-auth-password = {
-    rekeyFile = ./secrets/grafana-influxdb-basic-auth-password.age;
-    generator = "alnum";
+  age.secrets.grafana-influxdb-token = {
+    rekeyFile = ./secrets/grafana-influxdb-token.age;
     mode = "440";
     group = "grafana";
   };
@@ -47,10 +46,6 @@ in {
       config.age.secrets.grafana-loki-basic-auth-password
     ];
 
-    age.secrets.influxdb-basic-auth-hashes.generator.dependencies = [
-      config.age.secrets.grafana-influxdb-basic-auth-password
-    ];
-
     proxiedDomains.grafana = grafanaDomain;
 
     services.nginx = {
@@ -126,10 +121,7 @@ in {
           access = "proxy";
           url = "https://${sentinelCfg.proxiedDomains.influxdb}";
           orgId = 1;
-          basicAuth = true;
-          basicAuthUser = "${nodeName}+grafana-influxdb-basic-auth-password";
-          secureJsonData.basicAuthPassword = "$__file{${config.age.secrets.grafana-influxdb-basic-auth-password.path}}";
-          #secureJsonData.token = "$__file{${config.age.secrets.grafana-influxdb-token.path}}";
+          secureJsonData.token = "$__file{${config.age.secrets.grafana-influxdb-token.path}}";
           jsonData.version = "Flux";
         }
         {

hosts/ward/microvms/grafana/secrets/grafana-influxdb-token.age

@@ -0,0 +1,10 @@
+age-encryption.org/v1
+-> X25519 R7qu+/ASvapcZPEO2cXqEisYoiwSims+RSuCRCZsYgw
+lcYaTINCZY3g6DVCgejc3twlVdcMJEQE066ANZlYy8M
+-> piv-p256 xqSe8Q A1Wtem3odHpc6a3PSFShHkm2L8MeLbtv2ofmCfisFWXp
++OFZvkDksOUSmqOQVPLL5Ytk8eBkEmSYv2jc9jNOJWw
+-> @/*G-grease {vMz+#o gEzN;NY "+/{ +UP0
+SL0mOBt6VjU+vI+1fXKz52Ch0V7tgxX7k4emorUCC+GFOgo3BLrTu6R23Xhnoub3
+zw
+--- kKnHHEZuf1z2jYZpo5Zbvffh5AVG+VztRauG1mFkUYw
+
ßJŚkÍ%ńy Ŕc‹Ź›q>É÷Đ@Ě_lę=‡V�}a©"�_ŠIŇ„ő®x«É>ý.´îBînřóśBłCä)……­~•9ÝA†Z��‡çŰgd¶‰	UŔl~ Ş&ĘQ‡
—W6TžGţşv‰™Ć“/'vě©+

hosts/ward/microvms/influxdb/default.nix

@@ -27,15 +27,6 @@ in {
   nodes.sentinel = {
     proxiedDomains.influxdb = influxdbDomain;
 
-    age.secrets.influxdb-basic-auth-hashes = {
-      rekeyFile = ./secrets/influxdb-basic-auth-hashes.age;
-      # Copy only the script so the dependencies can be added by the nodes
-      # that define passwords (using distributed-config).
-      generator.script = config.age.generators.basic-auth.script;
-      mode = "440";
-      group = "nginx";
-    };
-
     services.nginx = {
       upstreams.influxdb = {
         servers."${config.services.influxdb2.settings.http-bind-address}" = {};
@@ -54,9 +45,8 @@ in {
           proxyWebsockets = true;
           extraConfig = ''
             satisfy any;
-            auth_basic "Authentication required";
-            auth_basic_user_file ${sentinelCfg.age.secrets.influxdb-basic-auth-hashes.path};
-            access_log off;
+            ${lib.concatMapStrings (ip: "allow ${ip};\n") sentinelCfg.extra.wireguard.proxy-sentinel.server.reservedAddresses};
+            deny all;
           '';
         };
       };

hosts/ward/secrets/telegraf-influxdb-token.age

@@ -0,0 +1,13 @@
+age-encryption.org/v1
+-> X25519 DCVhASEENA4z7QkZIAz+7shz69B3UGfuR4QwV28e3w4
+KcvcVb5PxsRMlA5n35c/4nRLdv7WoIL2bqJn6Ry0tBU
+-> piv-p256 xqSe8Q ArDV5TYzLEFhnRxXIY1OMPe4nPE7rtNhsUhU+7J2La3o
+SoqSbbPvxlF4uaGSRNKSumajM9aEr2EoHE8PyPr3sMk
+-> e\9`z-grease
+PtN7lO2jjyBoMojXSiPLmWGgv23uUbzd9TxrAwwDiCcBbW5RL5vvR2HFzc+k+ZVa
+RA3xLg5UeIzjsZdkWBezPHX1p7OALN49ZxtJ21fzfDhdUCTfVIKK4mi++At2hEJF
+6g
+--- FdR7X/jFWv+BhzuO8kpGr8xC3SKgmrwHg4YaHRxnwHE
+¶ßÌÚÝp 6SD´…˜W(¶YRÜ3ƒs_Ûª/2g}Äܶ§W?ub
+)‘¯/û,{÷&ƒFÿ-ŒØ5£ß/u.�p¬	\%ÊÉŸæ—üï4qÓ‰�ðÛ˜yKQk4W™3÷ËŒ
+
§Óˆ[Áþ°t‡__4y× ±q�¬^/Fש*

hosts/zackbiene/default.nix

@@ -8,8 +8,9 @@
   imports = [
     ../common/core
     ../common/hardware/odroid-n2plus.nix
-    #../common/initrd-ssh.nix
+    ../common/initrd-ssh.nix
     ../common/zfs.nix
+    ../common/bios-boot.nix
 
     ./fs.nix
     ./net.nix
@@ -23,10 +24,7 @@
     ./zigbee2mqtt.nix
   ];
 
-  # TODO replace by bios-boot.nix
-  # and grub.devices = ... once disko is in use.
-  boot.loader.grub.enable = false;
-  boot.loader.generic-extlinux-compatible.enable = true;
+  # TODO boot.loader.grub.devices = ["/dev/disk/by-id/${config.repo.secrets.local.disk.main}"];
   console.earlySetup = true;
 
   # Fails if there are no SMART devices

hosts/zackbiene/hostapd.nix

@@ -10,6 +10,8 @@
   # Associates each known client to a unique password
   age.secrets.wifi-clients.rekeyFile = ./secrets/wifi-clients.age;
 
+  hardware.wirelessRegulatoryDatabase = true;
+
   services.hostapd = {
     enable = true;
     radios.wlan1 = {