add hostname label

templates/config.alloy.erb

@@ -26,18 +26,19 @@ loki.process "add_hostname" {
   }
 }
 
+// Add hostname using system.hostname
+loki.process "add_hostname" {
+  forward_to = [loki.relabel.add_labels.receiver]
+  stage.static_labels {
+    values = {
+      hostname = system.hostname,  // Grabs the local hostname (e.g., fm002)
+    }
+  }
+}
+
 // Add hostname and job labels
 loki.relabel "add_labels" {
   forward_to = [loki.write.loki.receiver]
-  rule {
-    source_labels = ["__host__"]  // Internal hostname from constants.hostname
-    target_label  = "hostname"
-  }
-  rule {
-    action       = "replace"
-    target_label = "hostname"
-    replacement  = "$HOSTNAME"
-  }
   rule {
     action       = "replace"
     target_label = "job"