04、节点调度

节点调度且应用互斥

spec:
...
  template:
  ...
    spec:
    ...
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            podAffinityTerm:
            - weight: 100
                labelSelector:
                  matchLabels:
                    app: calendar #本应用的标签
                topologyKey: kubernetes.io/hostname
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: node    #具有node标签的节点且值为 multi
                operator: In
                values:
                - multibasic-nuwa-sso

      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
            matchExpressions:
            - key: app
              operator: In
              values:
              - nginx
        topologyKey: kubernetes.io/hostname

可用

        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  app: fuxi-bootstrap
              topologyKey: kubernetes.io/hostname
            weight: 100

可用

      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            labelSelector:
              matchLabels:
                app: nuwa-sso #本应用的标签
            topologyKey: kubernetes.io/hostname
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: type      #具有node标签的节点且值为 multi
                operator: In
                values:
                - basic-nuwa-sso