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EAI-7854 Spread CNPG instances across distinct nodes #802

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EAI-7854 Spread CNPG instances across distinct nodes #802

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3 changes: 2 additions & 1 deletion sources/eai-infra/airm-cnpg/0.1.0/templates/cnpg-cluster.yaml
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Expand Up @@ -11,7 +11,8 @@ metadata:
spec:
affinity:
enablePodAntiAffinity: true
topologyKey: topology.kubernetes.io/zone
podAntiAffinityType: {{ .Values.podAntiAffinityType | quote }}
topologyKey: {{ .Values.topologyKey | quote }}
bootstrap:
initdb:
database: {{ .Values.database }}
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6 changes: 6 additions & 0 deletions sources/eai-infra/airm-cnpg/0.1.0/values.yaml
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Expand Up @@ -7,6 +7,12 @@ database: "airm"
username: "airm_user"
image: "ghcr.io/cloudnative-pg/postgresql:17.2"
instances: 1
# Spread instances across distinct nodes. "preferred" schedules them apart when
# nodes allow it and falls back to co-scheduling otherwise, so a cluster with
# fewer nodes than instances still comes up. Set "required" to make the spread
# binding, which leaves surplus instances Pending until nodes are added.
podAntiAffinityType: "preferred"
topologyKey: "kubernetes.io/hostname"
userSecretName: "airm-cnpg-user"
superuserSecretName: "airm-cnpg-superuser"
sharedBuffers: "256MB"
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3 changes: 2 additions & 1 deletion sources/eai-infra/aiwb-cnpg/0.1.0/templates/cnpg-cluster.yaml
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Expand Up @@ -11,7 +11,8 @@ metadata:
spec:
affinity:
enablePodAntiAffinity: true
topologyKey: topology.kubernetes.io/zone
podAntiAffinityType: {{ .Values.podAntiAffinityType | quote }}
topologyKey: {{ .Values.topologyKey | quote }}
bootstrap:
initdb:
database: {{ .Values.database }}
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6 changes: 6 additions & 0 deletions sources/eai-infra/aiwb-cnpg/0.1.0/values.yaml
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Expand Up @@ -7,6 +7,12 @@ database: "aiwb"
username: "aiwb_user"
image: "ghcr.io/cloudnative-pg/postgresql:17.2"
instances: 3
# Spread instances across distinct nodes. "preferred" schedules them apart when
# nodes allow it and falls back to co-scheduling otherwise, so a cluster with
# fewer nodes than instances still comes up. Set "required" to make the spread
# binding, which leaves surplus instances Pending until nodes are added.
podAntiAffinityType: "preferred"
topologyKey: "kubernetes.io/hostname"
userSecretName: "aiwb-cnpg-user"
superuserSecretName: "aiwb-cnpg-superuser"
sharedBuffers: "256MB"
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3 changes: 2 additions & 1 deletion sources/keycloak-config/templates/keycloak-cluster.yaml
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Expand Up @@ -66,7 +66,8 @@ metadata:
spec:
affinity:
enablePodAntiAffinity: true
topologyKey: topology.kubernetes.io/zone
podAntiAffinityType: {{ .Values.cnpg.podAntiAffinityType | quote }}
topologyKey: {{ .Values.cnpg.topologyKey | quote }}
bootstrap:
initdb:
database: keycloak
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6 changes: 6 additions & 0 deletions sources/keycloak-config/values.yaml
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Expand Up @@ -9,3 +9,9 @@ cnpg:
# so node maintenance stalls until someone disables it by hand.
# Set true or false to override.
enablePDB: null
# Spread instances across distinct nodes. "preferred" schedules them apart
# when nodes allow it and falls back to co-scheduling otherwise, so a cluster
# with fewer nodes than instances still comes up. Set "required" to make the
# spread binding, which leaves surplus instances Pending until nodes exist.
podAntiAffinityType: "preferred"
topologyKey: "kubernetes.io/hostname"
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