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author | 2020-11-27 10:46:27 +0100 | |
---|---|---|
committer | 2020-12-07 08:32:50 +0000 | |
commit | 1d088e2740ec7d816dabff45c7f2a0478d9bafa8 (patch) | |
tree | dafdb26fb8884fe37458a3eef78cc9ca1387df16 | |
parent | 2dce7527bc6a7c88934eb07f16e2b1b568fb29a6 (diff) |
[COMMON] New affinities templates
Pod/Node affinity may be important to set, especially in the context of
statefulset.
These templates helps in order to make it work.
Issue-ID: OOM-1720
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Ic2ce2fc1188c4181bd8042b8410c1b810f50bff7
-rw-r--r-- | kubernetes/common/common/templates/_affinities.tpl | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/kubernetes/common/common/templates/_affinities.tpl b/kubernetes/common/common/templates/_affinities.tpl new file mode 100644 index 0000000000..f0802be29d --- /dev/null +++ b/kubernetes/common/common/templates/_affinities.tpl @@ -0,0 +1,109 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +# Copyright © 2020 Bitnami, Orange +# +# 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. +*/}} + +{{/* +Return a soft nodeAffinity definition +{{ include "common.affinities.nodes.soft" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes.soft" -}} +preferredDuringSchedulingIgnoredDuringExecution: + - preference: + matchExpressions: + key: {{ .key }} + operator: In + values: + {{- range .values }} + - {{ . }} + {{- end }} + weight: 1 +{{- end -}} + +{{/* +Return a hard nodeAffinity definition +{{ include "common.affinities.nodes.hard" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes.hard" -}} +requiredDuringSchedulingIgnoredDuringExecution: + nodeSelectorTerms: + - matchExpressions: + key: {{ .key }} + operator: In + values: + {{- range .values }} + - {{ . }} + {{- end }} +{{- end -}} + +{{/* +Return a nodeAffinity definition +{{ include "common.affinities.nodes" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes" -}} + {{- if eq .type "soft" }} + {{- include "common.affinities.nodes.soft" . -}} + {{- else if eq .type "hard" }} + {{- include "common.affinities.nodes.hard" . -}} + {{- end -}} +{{- end -}} + +{{/* +Return a soft podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods.soft" (dict "component" "FOO" "context" $) -}} +*/}} +{{- define "common.affinities.pods.soft" -}} +{{- $component := default "" .component -}} +preferredDuringSchedulingIgnoredDuringExecution: + - podAffinityTerm: + labelSelector: + matchLabels: {{- (include "common.matchLabels" (dict "dot" .context "matchLabels" (dict))) | nindent 10 }} + {{- if not (empty $component) }} + {{ printf "app.kubernetes.io/component: %s" $component }} + {{- end }} + namespaces: + - {{ include "common.namespace" .context }} + topologyKey: kubernetes.io/hostname + weight: 1 +{{- end -}} + +{{/* +Return a hard podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods.hard" (dict "component" "FOO" "context" $) -}} +*/}} +{{- define "common.affinities.pods.hard" -}} +{{- $component := default "" .component -}} +requiredDuringSchedulingIgnoredDuringExecution: + - labelSelector: + matchLabels: {{- (include "common.matchLabels" (dict "dot" .context "matchLabels" (dict))) | nindent 8 }} + {{- if not (empty $component) }} + {{ printf "app.kubernetes.io/component: %s" $component }} + {{- end }} + namespaces: + - {{ include "common.namespace" .context }} + topologyKey: kubernetes.io/hostname +{{- end -}} + +{{/* +Return a podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.pods" -}} + {{- if eq .type "soft" }} + {{- include "common.affinities.pods.soft" . -}} + {{- else if eq .type "hard" }} + {{- include "common.affinities.pods.hard" . -}} + {{- end -}} +{{- end -}}
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