Merge pull request #344 from vsmanu/343-node-selection-in-helm

343: node selection for helm chart - engine only - Initial commit

helm/oncall/templates/engine/deployment.yaml

@@ -73,3 +73,15 @@ spec:
             timeoutSeconds: 3
           resources:
             {{- toYaml .Values.engine.resources | nindent 12 }}
+      {{- with .Values.engine.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.engine.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.engine.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

helm/oncall/values.yaml

@@ -29,6 +29,19 @@ engine:
     #   cpu: 100m
     #   memory: 128Mi
 
+  ## @param affinity Affinity for pod assignment
+  ## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
+  ##
+  affinity: { }
+  ## @param nodeSelector Node labels for pod assignment
+  ## ref: https://kubernetes.io/docs/user-guide/node-selection/
+  ##
+  nodeSelector: { }
+  ## @param tolerations Tolerations for pod assignment
+  ## ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+  ##
+  tolerations: [ ]
+
 # Celery workers pods configuration
 celery:
   replicaCount: 1