openstack-helm/helm-toolkit/templates/snippets/_k8s_pod_antiaffinity.tpl
Pete Birley c5bbc97ab7 Soft pod anti-affinity for all pods
This PS adds soft anti-affinity to all pods in OS-H. By doing so
resiliancy is improved by attempting to ensure that pods are created
on seperate nodes.

Change-Id: I0c1092498f7a1e44218ef785ca3f73fa9f49819c
2017-07-03 14:15:40 -05:00

39 lines
1.2 KiB
Smarty

# Copyright 2017 The Openstack-Helm Authors.
#
# Licensed 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.
{{- define "helm-toolkit.snippets.kubernetes_pod_anti_affinity" -}}
{{- $envAll := index . 0 -}}
{{- $application := index . 1 -}}
{{- $component := index . 2 -}}
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- podAffinityTerm:
labelSelector:
matchExpressions:
- key: release_name
operator: In
values:
- {{ $envAll.Release.Name }}
- key: application
operator: In
values:
- {{ $application }}
- key: component
operator: In
values:
- {{ $component }}
topologyKey: kubernetes.io/hostname
weight: 10
{{- end -}}