monitoring: added nextcloud as well

machines/gerd/services/monitoring/default.nix

@@ -13,5 +13,6 @@
     ./mon-forgejo.nix
     ./mon-uptime-kuma.nix
     ./mon-searx.nix
+    ./mon-nextcloud.nix
   ];
 }

machines/gerd/services/monitoring/mon-nextcloud.nix

@@ -0,0 +1,45 @@
+{ config, lib, pkgs, ... }:
+
+let
+  # occ bin
+  occ = config.services.nextcloud.occ + "/bin/nextcloud-occ";
+
+  nextcloudSetupServerinfoToken = pkgs.writeShellScript "nextcloud-setup-serverinfo-token.sh" ''
+    # set serverinfo_token
+    SERVERINFO_TOKEN="$(cat $CREDENTIALS_DIRECTORY/nextcloud-serverinfo-token)"
+    ${occ} config:app:set serverinfo token --value "$SERVERINFO_TOKEN" > /dev/null 2>&1 
+  '';
+in {
+  systemd.services.nextcloud-setup = {
+    # runs this after all the main nextcloud-setup stuff
+    script = lib.mkAfter ''
+      ${nextcloudSetupServerinfoToken}
+    '';
+
+    # setup credentials for service
+    serviceConfig.LoadCredential = [
+      "nextcloud-serverinfo-token:${config.age.secrets.nextcloud-serverinfo-token.path}"
+    ];
+  };
+
+  services.prometheus.exporters.nextcloud = {
+    enable = true;
+    listenAddress = "localhost";
+    tokenFile = config.age.secrets.nextcloud-serverinfo-token.path;
+    url = let
+      scheme = if config.services.nextcloud.https then "https" else "http";
+    in "${scheme}://${config.services.nextcloud.hostName}";
+  };
+
+  # setup permissions
+  age.secrets.nextcloud-serverinfo-token.owner = config.services.prometheus.exporters.nextcloud.user;
+
+  services.prometheus.scrapeConfigs = [
+    {
+      job_name = "nextcloud";
+      static_configs = [{
+        targets = [ "localhost:${builtins.toString config.services.prometheus.exporters.nextcloud.port}" ];
+      }];
+    }
+  ];
+}