add alloy to the z9 hosts and some cleanup

roles/alloy/defaults/main.yaml

@@ -4,26 +4,26 @@ alloy_config_default: |
       url = "https://metrics.hamburg.ccc.de/api/v1/write"
       basic_auth {
         username = "chaos"
-        password = "{{ metrics__chaos_password }}"
+        password = "chaos_password"
       }
     }
   }
 
-  prometheus.relabel "chaosknoten_common" {
+  prometheus.relabel "common" {
     forward_to = [prometheus.remote_write.default.receiver]
     rule {
       target_label = "org"
-      replacement = "ccchh"
+      replacement = "noorg"
     }
     rule {
       target_label = "site"
-      replacement = "wieske"
+      replacement = "nosite"
     }
     rule {
       source_labels = ["instance"]
       target_label = "instance"
       regex  = "([^:]+)"
-      replacement = "${1}.hosts.hamburg.ccc.de"
+      replacement = "${1}.hosts.test"
       action = "replace"
     }
   }
@@ -38,7 +38,7 @@ alloy_config_default: |
 
   prometheus.scrape "scrape_metrics" {
     targets           = prometheus.exporter.unix.local_system.targets
-    forward_to        = [prometheus.relabel.chaosknoten_common.receiver]
+    forward_to        = [prometheus.relabel.common.receiver]
   }
 
 alloy_config_additional: ""