Global scheduling parameters (#3306)

* Add global values for nodeSelector, tolerations, topologySpreadConstraints & affinity

Signed-off-by: Yurii Liaskovets <yurii.liaskovets@gmail.com>

* Update README.md

Signed-off-by: Yurii Liaskovets <yurii.liaskovets@gmail.com>

---------

Signed-off-by: Yurii Liaskovets <yurii.liaskovets@gmail.com>

deploy/charts/external-secrets/README.md

@@ -98,6 +98,10 @@ The command removes all the Kubernetes components associated with the chart and
 | extraVolumeMounts | list | `[]` |  |
 | extraVolumes | list | `[]` |  |
 | fullnameOverride | string | `""` |  |
+| global.affinity | object | `{}` |  |
+| global.nodeSelector | object | `{}` |  |
+| global.tolerations | list | `[]` |  |
+| global.topologySpreadConstraints | list | `[]` |  |
 | hostNetwork | bool | `false` | Run the controller on the host network |
 | image.flavour | string | `""` | The flavour of tag you want to use There are different image flavours available, like distroless and ubi. Please see GitHub release notes for image tags for these flavors. By default the distroless image is used. |
 | image.pullPolicy | string | `"IfNotPresent"` |  |

deploy/charts/external-secrets/templates/cert-controller-deployment.yaml

@@ -93,19 +93,19 @@ spec:
       volumes:
       {{- toYaml .Values.certController.extraVolumes | nindent 8 }}
       {{- end }}
-      {{- with .Values.certController.nodeSelector }}
+      {{- with .Values.certController.nodeSelector | default .Values.global.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.certController.affinity }}
+      {{- with .Values.certController.affinity | default .Values.global.affinity }}
       affinity:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.certController.tolerations }}
+      {{- with .Values.certController.tolerations | default .Values.global.tolerations }}
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.certController.topologySpreadConstraints }}
+      {{- with .Values.certController.topologySpreadConstraints | default .Values.global.topologySpreadConstraints }}
       topologySpreadConstraints:
         {{- toYaml . | nindent 8 }}
       {{- end }}

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

@@ -114,19 +114,19 @@ spec:
       volumes:
       {{- toYaml .Values.extraVolumes | nindent 8 }}
       {{- end }}
-      {{- with .Values.nodeSelector }}
+      {{- with .Values.nodeSelector | default .Values.global.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.affinity }}
+      {{- with .Values.affinity | default .Values.global.affinity }}
       affinity:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.tolerations }}
+      {{- with .Values.tolerations | default .Values.global.tolerations }}
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.topologySpreadConstraints }}
+      {{- with .Values.topologySpreadConstraints | default .Values.global.topologySpreadConstraints }}
       topologySpreadConstraints:
         {{- toYaml . | nindent 8 }}
       {{- end }}

deploy/charts/external-secrets/templates/webhook-deployment.yaml

@@ -100,19 +100,19 @@ spec:
       {{- if .Values.webhook.extraVolumes }}
       {{- toYaml .Values.webhook.extraVolumes | nindent 8 }}
       {{- end }}
-      {{- with .Values.webhook.nodeSelector }}
+      {{- with .Values.webhook.nodeSelector | default .Values.global.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.webhook.affinity }}
+      {{- with .Values.webhook.affinity | default .Values.global.affinity }}
       affinity:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.webhook.tolerations }}
+      {{- with .Values.webhook.tolerations | default .Values.global.tolerations }}
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.webhook.topologySpreadConstraints }}
+      {{- with .Values.webhook.topologySpreadConstraints | default .Values.global.topologySpreadConstraints }}
       topologySpreadConstraints:
         {{- toYaml . | nindent 8 }}
       {{- end }}

deploy/charts/external-secrets/values.yaml

@@ -1,3 +1,9 @@
+global:
+  nodeSelector: {}
+  tolerations: []
+  topologySpreadConstraints: []
+  affinity: {}
+
 replicaCount: 1
 
 # -- Specifies the amount of historic ReplicaSets k8s should keep (see https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#clean-up-policy)