92 lines
3.6 KiB
Smarty
92 lines
3.6 KiB
Smarty
{{/*
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Copyright 2017 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{/*
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abstract: |
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Renders kubernetes anti affinity rules, this function supports both hard
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'requiredDuringSchedulingIgnoredDuringExecution' and soft
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'preferredDuringSchedulingIgnoredDuringExecution' types.
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values: |
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pod:
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affinity:
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anti:
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topologyKey:
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default: kubernetes.io/hostname
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type:
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default: requiredDuringSchedulingIgnoredDuringExecution
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weight:
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default: 10
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usage: |
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{{ tuple . "appliction_x" "component_y" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" }}
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return: |
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: release_group
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operator: In
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values:
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- RELEASE-NAME
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- key: application
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operator: In
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values:
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- appliction_x
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- key: component
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operator: In
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values:
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- component_y
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topologyKey: kubernetes.io/hostname
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*/}}
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{{- define "helm-toolkit.snippets.kubernetes_pod_anti_affinity._match_expressions" -}}
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{{- $envAll := index . "envAll" -}}
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{{- $application := index . "application" -}}
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{{- $component := index . "component" -}}
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{{- $expressionRelease := dict "key" "release_group" "operator" "In" "values" ( list ( $envAll.Values.release_group | default $envAll.Release.Name ) ) -}}
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{{- $expressionApplication := dict "key" "application" "operator" "In" "values" ( list $application ) -}}
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{{- $expressionComponent := dict "key" "component" "operator" "In" "values" ( list $component ) -}}
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{{- list $expressionRelease $expressionApplication $expressionComponent | toYaml }}
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{{- end -}}
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{{- define "helm-toolkit.snippets.kubernetes_pod_anti_affinity" -}}
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{{- $envAll := index . 0 -}}
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{{- $application := index . 1 -}}
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{{- $component := index . 2 -}}
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{{- $antiAffinityType := index $envAll.Values.pod.affinity.anti.type $component | default $envAll.Values.pod.affinity.anti.type.default }}
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{{- $antiAffinityKey := index $envAll.Values.pod.affinity.anti.topologyKey $component | default $envAll.Values.pod.affinity.anti.topologyKey.default }}
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podAntiAffinity:
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{{- $matchExpressions := include "helm-toolkit.snippets.kubernetes_pod_anti_affinity._match_expressions" ( dict "envAll" $envAll "application" $application "component" $component ) -}}
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{{- if eq $antiAffinityType "preferredDuringSchedulingIgnoredDuringExecution" }}
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{{ $antiAffinityType }}:
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- podAffinityTerm:
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labelSelector:
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matchExpressions:
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{{ $matchExpressions | indent 10 }}
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topologyKey: {{ $antiAffinityKey }}
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{{- if $envAll.Values.pod.affinity.anti.weight }}
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weight: {{ index $envAll.Values.pod.affinity.anti.weight $component | default $envAll.Values.pod.affinity.anti.weight.default }}
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{{- else }}
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weight: 10
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{{- end -}}
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{{- else if eq $antiAffinityType "requiredDuringSchedulingIgnoredDuringExecution" }}
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{{ $antiAffinityType }}:
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- labelSelector:
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matchExpressions:
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{{ $matchExpressions | indent 8 }}
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topologyKey: {{ $antiAffinityKey }}
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{{- end -}}
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{{- end -}}
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