feat(helm): add the ability to set the priorityClassName (external-se…

…crets#534)

This is a common feature of many Helm charts, and is important for
ensuring that the external-secrets pod is scheduled with a higher
priority than other workloads.

charts/kubernetes-external-secrets/README.md

@@ -103,6 +103,7 @@ The following table lists the configurable parameters of the `kubernetes-externa
 | `serviceAccount.annotations` | Annotations to be added to service account | `nil` |
 | `podAnnotations` | Annotations to be added to pods | `{}` |
 | `podLabels` | Additional labels to be added to pods | `{}` |
+| `priorityClassName` | Priority class to be assigned to pods
 | `replicaCount` | Number of replicas | `1` |
 | `nodeSelector` | node labels for pod assignment | `{}` |
 | `tolerations` | List of node taints to tolerate (requires Kubernetes >= 1.6) | `[]` |

charts/kubernetes-external-secrets/templates/deployment.yaml

@@ -76,6 +76,9 @@ spec:
  securityContext:
  {{- toYaml . | nindent 8 }}
  {{- end }}
+ {{- if .Values.priorityClassName }}
+ priorityClassName: {{ .Values.priorityClassName }}
+ {{- end }}
  {{- with .Values.nodeSelector }}
  nodeSelector:
  {{- toYaml . | nindent 8 }}

charts/kubernetes-external-secrets/values.yaml

@@ -85,6 +85,8 @@ fullnameOverride: ""
 podAnnotations: {}
 podLabels: {}
 
+priorityClassName: ""
+
 dnsConfig: {}
 
 securityContext: