add more scheduling options (#363)

paritytech · Jan 21, 2025 · 68e3eaf · 68e3eaf
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Showing 4 changed files with 25 additions and 2 deletions.
diff --git a/charts/node/Chart.yaml b/charts/node/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: node
 description: A Helm chart to deploy Substrate/Polkadot nodes
 type: application
-version: 5.13.3
+version: 5.14.0
 maintainers:
   - name: Parity
     url: https://github.com/paritytech/helm-charts

diff --git a/charts/node/README.md b/charts/node/README.md
@@ -18,7 +18,7 @@ This is intended behaviour. Make sure to run `git add -A` once again to stage ch
 
 # Substrate/Polkadot node Helm chart
 
-![Version: 5.13.3](https://img.shields.io/badge/Version-5.13.3-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 5.14.0](https://img.shields.io/badge/Version-5.14.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 ## Overview
 The Polkadot Helm Chart provides a convenient way to deploy and manage a Polkadot blockchain node in a Kubernetes cluster.
@@ -540,6 +540,8 @@ If you're running a collator node:
 | podSecurityContext.fsGroup | int | `1000` | Set container's Security Context fsGroup |
 | podSecurityContext.runAsGroup | int | `1000` | Set container's Security Context runAsGroup |
 | podSecurityContext.runAsUser | int | `1000` | Set container's Security Context runAsUser |
+| priorityClassName | string | `""` | pods' priorityClassName |
+| schedulerName | string | `""` | Name of the k8s scheduler (other than default) ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/ |
 | serviceAccount | object | `{"annotations":{},"create":true,"createRoleBinding":true,"name":""}` | Service account for the node to use. ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/ |
 | serviceAccount.annotations | object | `{}` | Annotations to add to the Service Account |
 | serviceAccount.create | bool | `true` | Enable creation of a Service Account for the main container |
@@ -553,6 +555,7 @@ If you're running a collator node:
 | substrateApiSidecar.resources | object | `{}` | Resource limits & requests |
 | terminationGracePeriodSeconds | int | `60` | Grace termination period of the Pod |
 | tolerations | list | `[]` | Tolerations for use with node taints |
+| topologySpreadConstraints | object | `{}` | Topology Spread Constraints for pod assignment spread across your cluster among failure-domains. Evaluated as a template Ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/#spread-constraints-for-pods |
 | wsHealthExporter | object | `{"env":{},"image":{"repository":"paritytech/ws-health-exporter","tag":"99611363-20240306"},"resources":{}}` | Configuration of the WS Health exporter. ref: https://github.com/paritytech/scripts/tree/master/dockerfiles/ws-health-exporter |
 | wsHealthExporter.env | object | `{}` | Environment variables to set on the API sidecar |
 | wsHealthExporter.image.repository | string | `"paritytech/ws-health-exporter"` | Image repository |

diff --git a/charts/node/templates/statefulset.yaml b/charts/node/templates/statefulset.yaml
@@ -889,6 +889,15 @@ spec:
       tolerations:
       {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName | quote }}
+      {{- end }}
+      {{- if .Values.schedulerName }}
+      schedulerName: {{ .Values.schedulerName | quote }}
+      {{- end }}
+      {{- if .Values.topologySpreadConstraints }}
+      topologySpreadConstraints: {{ toYaml .Values.topologySpreadConstraints | nindent 8 }}
+      {{- end }}
       volumes:
       {{- range .Values.node.extraConfigmapMounts }}
         - name: {{ .name }}

diff --git a/charts/node/values.yaml b/charts/node/values.yaml
@@ -727,6 +727,17 @@ tolerations: []
 # -- Assign custom affinity rules
 affinity: {}
 
+# -- pods' priorityClassName
+priorityClassName: ""
+
+# -- Topology Spread Constraints for pod assignment spread across your cluster among failure-domains. Evaluated as a template
+# Ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/#spread-constraints-for-pods
+topologySpreadConstraints: {}
+
+# -- Name of the k8s scheduler (other than default)
+# ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
+schedulerName: ""
+
 # -- Additional containers to run in the pod
 extraContainers: []