feat(prometheus_adaptor): add affinity to values

!1

templates/Deployment-prometheus-adapter.yaml

@@ -35,6 +35,8 @@ spec:
         app.kubernetes.io/managed-by: {{ $.Release.Service }}
         app.kubernetes.io/version: {{ $.Chart.Version }}
     spec:
+      affinity:
+        {{- toYaml .Values.nfc_monitoring.prometheus_adaptor.affinity | nindent 8 }}
       automountServiceAccountToken: true
       containers:
       - args:

values.yaml

@@ -109,11 +109,38 @@ nfc_monitoring:
 
 
   prometheus_adaptor:
+
     image:
       name: registry.k8s.io/prometheus-adapter/prometheus-adapter
       tag: 'v0.11.1'
+
     namespace: monitoring
 
+    affinity: 
+      nodeAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+        - preference:
+            matchExpressions:
+            - key: node-role.kubernetes.io/worker
+              operator: Exists
+          weight: 100
+        - preference:
+            matchExpressions:
+            - key: node-role.kubernetes.io/storage
+              operator: DoesNotExist
+          weight: 100
+      podAntiAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+        - podAffinityTerm:
+            labelSelector:
+              matchExpressions:
+              - key: app.kubernetes.io/name
+                operator: In
+                values:
+                - prometheus
+            topologyKey: kubernetes.io/hostname
+          weight: 10
+
 
   additions: