Allow scheduling constraints for operator-ui pods (zalando#2326)

Author: pratheekrebala

charts/postgres-operator-ui/templates/deployment.yaml

@@ -94,3 +94,12 @@ spec:
             {{- if .Values.extraEnvs }}
             {{- .Values.extraEnvs | toYaml | nindent 12 }}
             {{- end }}
+      affinity:
+{{ toYaml .Values.affinity | indent 8 }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
+      tolerations:
+{{ toYaml .Values.tolerations | indent 8 }}
+    {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+    {{- end }}

charts/postgres-operator-ui/values.yaml

@@ -111,3 +111,18 @@ ingress:
   #  - secretName: ui-tls
   #    hosts:
   #      - ui.exmaple.org
+
+# priority class for operator-ui pod
+priorityClassName: ""
+
+# Affinity for pod assignment
+# Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
+affinity: {}
+
+# Node labels for pod assignment
+# Ref: https://kubernetes.io/docs/user-guide/node-selection/
+nodeSelector: {}
+
+# Tolerations for pod assignment
+# Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+tolerations: []