feat: declarative probes for uptime-kuma

machines/rescue01/secrets/secrets.nix

@@ -2,4 +2,4 @@ let
   lib = import ../../../lib { };
   publicKeys = lib.getNodeKeys "rescue01";
 in
-lib.setDefault { inherit publicKeys; } [ ]
+lib.setDefault { inherit publicKeys; } [ "stateless-uptime-kuma-password" ]

machines/rescue01/secrets/stateless-uptime-kuma-password

@@ -0,0 +1,28 @@
+age-encryption.org/v1
+-> ssh-ed25519 jIXfPA wZdqi7vBlMEOJiY1VvbsmqyBSO/jl6SWLRGw+0ylKWo
+UvKyh4Jh608Z9i9+6WuPu3mwnlC98aAr6jiV38JJGzk
+-> ssh-ed25519 QlRB9Q +DUjR2Wqwg2SevBY+YgvLEDkcnoWGRTfcVFbl27CQT4
+poWQnP4cOQGc5Xhgrgz2KKEOJ8dB+iCcqME5D/zJv5c
+-> ssh-ed25519 r+nK/Q GsidIKDaPJmx8igrgoAbWGywJQB0nV/cY8Zm0CIByho
+m4HrxUhPkp7gahyLO2gfQUnglkB715jaCrADg77ns34
+-> ssh-rsa krWCLQ
+VwNy3N6+l3Vgpo8AK7cJ2gRmHa+oBtB4w3n+E8gn7sugcEB16NDtjK861zwszUq7
+OfOPUZ5mE+RWz20XYWPAJIPEYNaiqc5vJzguFvZdlyJNInJLxANlIaHydE1AGA9v
+l07t9PAxxV5L40EiPHxjveEKaKiAAJVbWWfILX9f4U5vjKy5729IE/3aTRUbTD/M
+CXINLnzFWwDLi3x2yBrGUly2mLIb4KyDuE8jnPmtCFveKsVxVsDEeiXvi0yeT+xM
+viGvXJ9Ad6tAug4BE2suqwG1iPHsa98pFBqYM8gG2rp2WOFhzs0emkTu5LGYJOMr
+VR39Qxcdp1WjPr9e+l/MDQ
+-> ssh-ed25519 /vwQcQ GBXHQzwSFS+abM91umquafIEcUoI407reSuULz7SGGY
+WpW9aHq2Eq8pXpvGsEKoByQLj0tr04GxNQrf09ronrY
+-> ssh-ed25519 0R97PA BxlIEcd6G5GDLUxgoTzyUqRRxGIx49YCZSvzjVIBdjw
+oDqUd2O+oBdDrOvrQysdptF1LuvXK/dKurFnHUjgNfk
+-> ssh-ed25519 JGx7Ng Km6PmwRZ9HfGjEhkgb8P+ZCt+B/C+jg9bcvdwBvrS0Q
+D+UC5nkMnpYuJtz5X30iF1avU+jlEy4zOEPkyj5o2x8
+-> ssh-ed25519 5SY7Kg 3tf/eLI3ngqilOfEz8fayTDHWHNd14ANJTSt5lz1yDM
+QUhDPYuiZ9YloKgYqY5UdMVmawyMAOS/T4jbpvsNJpI
+-> ssh-ed25519 p/Mg4Q h/8lvmwcmoyTa6vW0N2AbgKt/dpNNqVmRW02NaYl7Wo
+OaFeo+ZPa2LY5zRJzv/exq4bv734FxZwX3ql1kpv5bk
+-> ssh-ed25519 +MNHsw iaiHp0x4Xzf886Q0Li6IleeO3wZUAQbYFHxn0jzdCk0
+W4gaBtwKPbonB2g9+Ts+teXPEPoWDCVoVn1vixiQ+7M
+--- 1ACvcwsxZKnjgKRAzJy8e4eBtxZXrwe00wPdDlMWnBo
+Œ<ƒ¼î|ë=©r<2Ÿµ.>ÃÇ~,5J²Ä … àé[ºë^+͸Z‰ñj›á×=Ï<Ï%Út뮪

machines/rescue01/uptime-kuma.nix

@@ -1,9 +1,116 @@
+{
+  lib,
+  nodes,
+  config,
+  sources,
+  ...
+}:
 let
+  inherit (config.statelessUptimeKuma.lib)
+    pingProbesFromHive
+    fromHive
+    httpProbesFromConfig
+    probesWithTag
+    ;
   host = "status.dgnum.eu";
 
   port = 3001;
+
+  httpExcludes = [
+    "localhost"
+    "ens.cal.dgnum.eu"
+    "luj-current.cal.dgnum.eu"
+    "s3.dgnum.eu"
+    "cdn.dgnum.eu"
+    "saml-idp.dgnum.eu"
+    "status.dgnum.eu"
+  ] ++ nodes.web01.config.dgn-redirections.retired;
+
+  extraProbes = {
+    monitors = {
+      "prometheus.dgnum.eu" = {
+        type = lib.mkForce "http";
+        accepted_statuscodes = [ "401" ];
+      };
+      "api.meet.dgnum.eu" = {
+        keyword = "Crab Fit API";
+      };
+    };
+  };
+
+  status_pages = {
+    "dgnum" = {
+      title = "DGNum";
+      description = "Etat de l'infra de la DGNum";
+      showTags = true;
+      publicGroupList = [
+        {
+          name = "Services";
+          weight = 1;
+          monitorList = builtins.attrNames (
+            probesWithTag { name = "Service"; } config.statelessUptimeKuma.probesConfig
+          );
+        }
+        {
+          name = "Serveurs";
+          weight = 2;
+          monitorList = builtins.attrNames (
+            probesWithTag { name = "Ping"; } config.statelessUptimeKuma.probesConfig
+          );
+        }
+        {
+          name = "VPN Interne";
+          weight = 2;
+          monitorList = builtins.attrNames (
+            probesWithTag { name = "VPN"; } config.statelessUptimeKuma.probesConfig
+          );
+        }
+      ];
+    };
+  };
+
+  pingProbes = pingProbesFromHive {
+    inherit nodes;
+    mkHost = _: config: config.networking.fqdn;
+    tags = [ { name = "Ping"; } ];
+    excludes = [
+      "geo01"
+      "geo02"
+      "rescue01"
+    ];
+  };
+
+  vpnProbes = pingProbesFromHive {
+    inherit nodes;
+    prefix = "VPN - ";
+    mkHost = node: _: "${node}.dgnum";
+    tags = [ { name = "VPN"; } ];
+    excludes = [
+      "rescue01"
+      "web02"
+    ];
+  };
+
+  httpProbes = fromHive {
+    inherit nodes;
+    builder =
+      _: module:
+      httpProbesFromConfig {
+        inherit (module) config;
+        tags = [
+          {
+            name = "Host";
+            value = module.config.networking.fqdn;
+          }
+          { name = "Service"; }
+        ];
+        excludes = httpExcludes;
+      };
+  };
 in
 {
+  imports = [ (sources.stateless-uptime-kuma + "/nixos/module.nix") ];
+  nixpkgs.overlays = [ (import (sources.stateless-uptime-kuma + "/overlay.nix")) ];
   services.uptime-kuma.enable = true;
 
   services.nginx = {
@@ -23,4 +130,22 @@ in
     80
     443
   ];
+
+  statelessUptimeKuma = {
+    probesConfig = lib.mkMerge [
+      pingProbes
+      httpProbes
+      extraProbes
+      vpnProbes
+      { inherit status_pages; }
+    ];
+    extraFlags = [
+      "-v DEBUG"
+      "-s"
+    ];
+    host = "http://localhost:${builtins.toString port}/";
+    username = "dgnum";
+    passwordFile = config.age.secrets."stateless-uptime-kuma-password".path;
+    enableService = true;
+  };
 }

machines/web01/redirections.nix

@@ -1,4 +1,4 @@
-_:
+{ lib, config, ... }:
 
 let
   retired_host = "retired.dgnum.eu";
@@ -28,6 +28,25 @@ let
       forceSSL = true;
     };
 
+  cfg = config.dgn-redirections;
+in
+{
+  options.dgn-redirections = {
+    redirections = lib.mkOption {
+      type =
+        with lib.types;
+        attrsOf (submodule {
+          options.to = lib.mkOption { type = str; };
+        });
+      default = { };
+    };
+    retired = lib.mkOption {
+      type = with lib.types; listOf str;
+      default = [ ];
+    };
+  };
+  config = {
+    dgn-redirections = {
       redirections = {
         "calendrier.eleves.ens.fr".to = "calendrier.dgnum.eu";
         "docs.beta.rz.ens.wtf".to = "pads.dgnum.eu";
@@ -65,9 +84,9 @@ let
           "rstudio"
         ];
       };
-in
+    };
-{
     services.nginx.virtualHosts = {
       ${retired_host}.default = true;
-  } // (builtins.mapAttrs mkRedirection redirections) // (mkRetired retired);
+    } // (builtins.mapAttrs mkRedirection cfg.redirections) // (mkRetired cfg.retired);
+  };
 }

npins/sources.json

@@ -167,6 +167,17 @@
       "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/40e6053ecb65fcbf12863338a6dcefb3f55f1bf8.tar.gz",
       "hash": "0xibcl3546fqv9g2wmjv6350glp61ld3m8n5yqjx0y5dn73apj4w"
     },
+    "stateless-uptime-kuma": {
+      "type": "Git",
+      "repository": {
+        "type": "Git",
+        "url": "https://git.dgnum.eu/mdebray/stateless-uptime-kuma"
+      },
+      "branch": "master",
+      "revision": "c6baf60295e4bee4e4c13cf5c628ccd3ab89b141",
+      "url": null,
+      "hash": "1ivkvvq4jz5kh873jppypnhzm3vb8gdrvia7zsy67p6wnvzvhxkv"
+    },
     "wp4nix": {
       "type": "Git",
       "repository": {