Now relabling instance for internal bbexp endpoints (e.g. crowd:8095/crowd --> internal:crowd).

prometheus.yml

@@ -59,7 +59,9 @@ scrape_configs:
         target_label: instance
       - target_label: __address__
         replacement: bbexp:9115  # The blackbox exporter's real hostname:port.
+
     metric_relabel_configs:
+      # create domain label
       - source_labels: [instance] 
         regex: '.*?[.](.*)'
         replacement: '$1'
@@ -68,7 +70,27 @@ scrape_configs:
         regex: '^$'
         replacement: 'jaytaala.com'
         target_label: domain
+
+      # create shortname label
       - source_labels: [instance] 
         regex: '.*/(.+?)[:.].*'
         replacement: '$1'
         target_label: shortname
+
+      # instance relabling
+      # make copy of instance to use later
+      - source_labels: [instance] 
+        target_label: __tmp
+      # those with subdomains passthrough, if not instance will be empty
+      - source_labels: [instance] 
+        regex: '.*/(.*[.].*)'
+        replacement: '$1'
+        target_label: instance
+      # use previously saved __tmp and find those with : (e.g. crowd:8095)
+      - source_labels: [__tmp] 
+        regex: '.*/(.*)[:].*'
+        replacement: 'internal:$1'
+        target_label: instance
+      # now drop the __tmp label
+      - regex: '^__tmp$' 
+        action: labeldrop