| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # This file defines template snippets for scheduler affinity and anti-affinity |
| |
| {{/* Generic core affinity */}} |
| {{- define "openwhisk.affinity.core" -}} |
| # prefer to not run on an invoker node (only prefer because of single node clusters) |
| nodeAffinity: |
| preferredDuringSchedulingIgnoredDuringExecution: |
| - weight: 100 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: NotIn |
| values: |
| - {{ .Values.affinity.invokerNodeLabel }} |
| - weight: 80 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: In |
| values: |
| - {{ .Values.affinity.coreNodeLabel }} |
| {{- end -}} |
| |
| |
| {{/* Generic edge affinity */}} |
| {{- define "openwhisk.affinity.edge" -}} |
| # prefer to not run on an invoker node (only prefer because of single node clusters) |
| nodeAffinity: |
| preferredDuringSchedulingIgnoredDuringExecution: |
| - weight: 100 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: NotIn |
| values: |
| - {{ .Values.affinity.invokerNodeLabel }} |
| - weight: 80 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: In |
| values: |
| - {{ .Values.affinity.edgeNodeLabel }} |
| {{- end -}} |
| |
| |
| {{/* Generic provider affinity */}} |
| {{- define "openwhisk.affinity.provider" -}} |
| # prefer to not run on an invoker node (only prefer because of single node clusters) |
| nodeAffinity: |
| preferredDuringSchedulingIgnoredDuringExecution: |
| - weight: 100 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: NotIn |
| values: |
| - {{ .Values.affinity.invokerNodeLabel }} |
| preferredDuringSchedulingIgnoredDuringExecution: |
| - weight: 80 |
| preference: |
| matchExpressions: |
| - key: openwhisk-role |
| operator: In |
| values: |
| - {{ .Values.affinity.providerNodeLabel }} |
| {{- end -}} |
| |
| |
| {{/* Invoker node affinity */}} |
| {{- define "openwhisk.affinity.invoker" -}} |
| # run only on nodes labeled with openwhisk-role={{ .Values.affinity.invokerNodeLabel }} |
| nodeAffinity: |
| requiredDuringSchedulingIgnoredDuringExecution: |
| nodeSelectorTerms: |
| - matchExpressions: |
| - key: openwhisk-role |
| operator: In |
| values: |
| - {{ .Values.affinity.invokerNodeLabel }} |
| {{- end -}} |
| |
| |
| {{/* Self anti-affinity */}} |
| {{- define "openwhisk.affinity.selfAntiAffinity" -}} |
| # Fault tolerance: prevent multiple instances of {{ . }} from running on the same node |
| podAntiAffinity: |
| requiredDuringSchedulingIgnoredDuringExecution: |
| - labelSelector: |
| matchExpressions: |
| - key: name |
| operator: In |
| values: |
| - {{ . }} |
| topologyKey: "kubernetes.io/hostname" |
| {{- end -}} |