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add topologySpreadConstraints of zone for kruise manager #123

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furykerry opened this issue Oct 29, 2024 · 0 comments
Open

add topologySpreadConstraints of zone for kruise manager #123

furykerry opened this issue Oct 29, 2024 · 0 comments
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good first issue Good for newcomers help wanted Extra attention is needed

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@furykerry
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as the central control-plane of openkruise, kruise-manager comes by default with only node spread in the form of

        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: control-plane
                  operator: In
                  values:
                  - controller-manager
              topologyKey: kubernetes.io/hostname
            weight: 100

however, it is a good practice to spread the control-plane over availability zone, e.g.

      topologySpreadConstraints:
      - labelSelector:
          matchLabels:
            component: kruise-manager
        maxSkew: 1
        matchLabelKeys:
        - pod-template-hash
        topologyKey: topology.kubernetes.io/zone
        whenUnsatisfiable: ScheduleAnyway
@furykerry furykerry added good first issue Good for newcomers help wanted Extra attention is needed labels Oct 29, 2024
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Labels
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