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feat/nginz: add zone-based topology constraint #5208

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55e10e7
feat: add zone-based topology constraint
siberijah Apr 29, 2026
52c3240
ops: add changelog
siberijah Apr 29, 2026
3c95fb5
fix: move topologyConstraints to values
siberijah Apr 29, 2026
1989fc0
trigger re-test
siberijah Apr 29, 2026
da1f5ff
trigger re-test
siberijah Apr 30, 2026
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1 change: 1 addition & 0 deletions changelog.d/5-internal/nginz-zone-topology
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Add zone-level topologySpreadConstraints to nginz deployment so pods are spread evenly across availability zones, ensuring traffic reaches all AZs when zone-aware routing is in use.
6 changes: 6 additions & 0 deletions charts/nginz/templates/deployment.yaml
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Expand Up @@ -30,6 +30,12 @@ spec:
spec:
terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
topologySpreadConstraints:
- maxSkew: 1
topologyKey: "topology.kubernetes.io/zone"
whenUnsatisfiable: ScheduleAnyway
labelSelector:
matchLabels:
app: nginz
- maxSkew: 1
topologyKey: "kubernetes.io/hostname"
whenUnsatisfiable: ScheduleAnyway
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