add file control for main log files

templates/config.alloy.erb

@@ -1,25 +1,33 @@
 <% if @ay_manage_loki == true -%>
-logging {
-  level  = "info"
-  format = "logfmt"
-}
 
-loki.source.file "system_logs" {
-  targets = [
+// Define file discovery for your logs
+local.file_match "system_logs" {
+  path_targets = [
 <% @log_targets_array.each do |target| -%>
     {__path__ = "<%= target %>"},
 <% end -%>
   ]
-  forward_to = [loki.write.loki.receiver]
+  sync_period = "5s"
 }
 
-loki.process "enrich_server_logs" {
-    stage.static_labels {
-        values = {
-            hostname = sys.env("HOSTNAME"),
-        }
-    }
-    forward_to = [loki.write.loki.receiver]
+// Scrape the logs from the matched files
+loki.source.file "system_logs" {
+  targets    = local.file_match.system_logs.targets
+  forward_to = [loki.relabel.add_labels.receiver]
+}
+
+// Add hostname and job labels
+loki.relabel "add_labels" {
+  forward_to = [loki.write.loki_endpoint.receiver]
+  rule {
+    source_labels = ["__host__"]  // Internal hostname from constants.hostname
+    target_label  = "hostname"
+  }
+  rule {
+    action       = "replace"
+    target_label = "job"
+    replacement  = "syslogs"  // Or any name you prefer, e.g., "syslogs"
+  }
 }
 
 loki.write "loki" {