v-m/scrape: Ignore cloud Kubernetes nodes

The ephemeral Jenkins worker nodes that run in AWS don't have colletcd,
promtail, or Zincati.  We don't needto get three alerts every time a
worker starts up to handle am ARM build job, so we drop these discovered
targets for these scrape jobs.

victoria-metrics/scrape.yml

@@ -88,6 +88,9 @@ scrape_configs:
   kubernetes_sd_configs:
   - role: node
   relabel_configs:
+  - source_labels: [__meta_kubernetes_node_name]
+    regex: .*\.compute\.internal$
+    action: drop
   - action: labelmap
     regex: __meta_kubernetes_node_label_(.+)
   - source_labels:
@@ -258,6 +261,9 @@ scrape_configs:
   - source_labels: [__meta_kubernetes_node_name]
     regex: k8s-ctrl0.pyrocufflink.blue
     action: drop
+  - source_labels: [__meta_kubernetes_node_name]
+    regex: .*\.compute\.internal$
+    action: drop
   - source_labels: [__meta_kubernetes_node_name]
     regex: '(.+)'
     target_label: __address__
@@ -304,6 +310,9 @@ scrape_configs:
     - role: pod
       label: app.kubernetes.io/name=promtail
   relabel_configs:
+  - source_labels: [__meta_kubernetes_node_name]
+    regex: .*\.compute\.internal$
+    action: drop
   - source_labels: [__address__]
     target_label: instance
   - source_labels: [__meta_kubernetes_pod_node_name]