Merge pull request #41 from stakater-charts/add-affinity

Add support to specify affinity

README.md

@@ -38,6 +38,7 @@ To uninstall the chart:
 | deployment.volumes | Volumes to be added to the pod | `[]` |
 | deployment.volumeMounts | Mount path for Volumes | `[]` |
 | deployment.tolerations | Taint tolerations for nodes | `[]` |
+| deployment.affinity | Affinity for pod/node | `[]` |
 | deployment.image.repository | Image repository for the application | `repository/image-name` |
 | deployment.image.tag | Tag of the application Image | `v1.0.0` |
 | deployment.image.pullPolicy | Pull policy for the application image | `IfNotPresent` |

application/templates/deployment.yaml

@@ -78,6 +78,10 @@ spec:
       {{- if .Values.deployment.tolerations }}
       tolerations:
 {{ toYaml .Values.deployment.tolerations | indent 8 -}}
+      {{- end }}
+      {{- if .Values.deployment.affinity }}
+      affinity:
+      {{ toYaml .Values.deployment.affinity | indent 8 -}}
       {{- end }}
       {{- if .Values.deployment.imagePullSecrets }}      
       imagePullSecrets:

application/values.yaml

@@ -86,7 +86,18 @@ deployment:
     # - key: "dedicated"
     #   operator: "Equal"
     #   value: "app"
-    #   effect: "NoSchedule" 
+    #   effect: "NoSchedule"
+
+  # Pod affinity and pod anti-affinity allow you to specify rules about how pods should be placed relative to other pods.
+  affinity:
+  #  nodeAffinity:
+  #    requiredDuringSchedulingIgnoredDuringExecution:
+  #      nodeSelectorTerms:
+  #      - matchExpressions:
+  #        - key: disktype
+  #          operator: In
+  #          values:
+  #          - ssd
 
   # Image of the app container
   image: