add relabeling for better naming/context

prometheus/pinghosts.yaml

@@ -1,8 +1,8 @@
-- targets: 
-    - http://google.com    
-    - http://github.com
-    - https://blackdata.xam.dk:5001
-    - http://192.168.1.1
-    - http://192.168.1.42
-    - http://192.168.1.101
+- targets:  # url;humanname;routing;switch
+    - http://google.com;google.com;external;internetbox
+    - http://github.com;github.com;external;internetbox
+    - https://blackdata.xam.dk:5001;blackdata.xam.dk;external;internetbox
+    - http://192.168.1.1;internetbox;local;internetbox
+    - http://192.168.1.42;blackdata;local;orbirouter-attic
+    - http://192.168.1.101;orbirouter;local;orbirouter
 

prometheus/prometheus.yml

@@ -46,9 +46,23 @@ scrape_configs:
         - pinghosts.yaml
     relabel_configs:
       - source_labels: [__address__]
-        target_label: __param_target
-      - source_labels: [__param_target]
+        regex: '(.*);(.*);(.*);(.*)'  #first is the url, thus unique for instance
         target_label: instance
+        replacement: $1
+      - source_labels: [__address__]
+        regex: '(.*);(.*);(.*);(.*)'  #second is humanname to use in charts
+        target_label: humanname
+        replacement: $2
+      - source_labels: [__address__]
+        regex: '(.*);(.*);(.*);(.*)'  #third state whether this is testing external or internal network
+        target_label: routing
+        replacement: $3
+      - source_labels: [__address__]
+        regex: '(.*);(.*);(.*);(.*)'  #fourth is which switch/router the device is connected to.
+        target_label: switching
+        replacement: $4
+      - source_labels: [instance]
+        target_label: __param_target
       - target_label: __address__
         replacement: ping:9115  # The blackbox exporter's real hostname:port.