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BC-5423 - Add POD affinity and anti-affinity #3358

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Dec 4, 2023
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37 changes: 37 additions & 0 deletions ansible/roles/schulcloud-client-core/templates/deployment.yml.j2
Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,43 @@ spec:
requests:
cpu: {{ CLIENT_CPU_REQUESTS|default("100m", true) }}
memory: {{ CLIENT_MEMORY_REQUESTS|default("128Mi", true) }}
{% if AFFINITY_ENABLE is defined and AFFINITY_ENABLE|bool %}
affinity:
podAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 9
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app.kubernetes.io/part-of
operator: In
values:
- schulcloud-verbund
topologyKey: "kubernetes.io/hostname"
namespaceSelector: {}
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
{% if ANIT_AFFINITY_NODEPOOL_ENABLE is defined and ANIT_AFFINITY_NODEPOOL_ENABLE|bool %}
- weight: 10
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app.kubernetes.io/name
operator: In
values:
- client
topologyKey: {{ ANIT_AFFINITY_NODEPOOL_TOPOLOGY_KEY }}
{% endif %}
- weight: 20
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app.kubernetes.io/name
operator: In
values:
- client
topologyKey: "topology.kubernetes.io/zone"
{% endif %}
volumes:
- name: http-headers
configMap:
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