feat: define global monitoring for each service and automatically configure telegraf based on it

hosts/ward/guests/adguardhome.nix

@@ -13,6 +13,18 @@ in {
   };
 
   globals.services.adguardhome.domain = adguardhomeDomain;
+  globals.monitoring.dns.adguardhome = {
+    server = globals.net.home-lan.hosts.ward-adguardhome.ipv4;
+    domain = ".";
+    location = "home";
+    network = "home-lan";
+  };
+  globals.monitoring.http.adguardhome = {
+    url = "https://${adguardhomeDomain}";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     services.nginx = {
       upstreams.adguardhome = {

hosts/ward/guests/forgejo.nix

@@ -23,6 +23,12 @@ in {
   };
 
   globals.services.forgejo.domain = forgejoDomain;
+  globals.monitoring.http.forgejo = {
+    url = "https://${forgejoDomain}";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     # Rewrite destination addr with dnat on incoming connections
     # and masquerade responses to make them look like they originate from this host.

hosts/ward/guests/kanidm.nix

@@ -40,6 +40,12 @@ in {
   age.secrets.kanidm-oauth2-web-sentinel = mkRandomSecret;
 
   globals.services.kanidm.domain = kanidmDomain;
+  globals.monitoring.http.kanidm = {
+    url = "https://${kanidmDomain}";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     services.nginx = {
       upstreams.kanidm = {

hosts/ward/guests/netbird.nix

@@ -78,6 +78,12 @@ in {
   };
 
   globals.services.netbird.domain = netbirdDomain;
+  globals.monitoring.http.netbird = {
+    url = "https://${netbirdDomain}";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     services.nginx = {
       upstreams.netbird-mgmt = {

hosts/ward/guests/radicale.nix

@@ -7,6 +7,12 @@ in {
   };
 
   globals.services.radicale.domain = radicaleDomain;
+  globals.monitoring.http.radicale = {
+    url = "https://${radicaleDomain}";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     services.nginx = {
       upstreams.radicale = {

hosts/ward/guests/vaultwarden.nix

@@ -26,6 +26,13 @@ in {
   ];
 
   globals.services.vaultwarden.domain = vaultwardenDomain;
+  globals.monitoring.http.vaultwarden = {
+    url = "https://${vaultwardenDomain}";
+    expectedBodyRegex = "Vaultwarden";
+    location = "home";
+    network = "internet";
+  };
+
   nodes.sentinel = {
     services.nginx = {
       upstreams.vaultwarden = {