cassandra:
  affinity:
    podAntiAffinity:
      preferredDuringSchedulingIgnoredDuringExecution:
      - weight: 100
        podAffinityTerm:
          labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/component
              operator: In
              values:
              - frontend
              - history
              - matching
              - worker
          topologyKey: kubernetes.io/hostname
      - weight: 50
        podAffinityTerm:
          labelSelector:
            matchExpressions:
            - key: app
              operator: In
              values:
              - elasticsearch-master
          topologyKey: kubernetes.io/hostname
      - weight: 5
        podAffinityTerm:
          labelSelector:
            matchExpressions:
            - key: app
              operator: In
              values:
              - prometheus
          topologyKey: kubernetes.io/hostname
      - weight: 1
        podAffinityTerm:
          labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/name
              operator: In
              values:
              - grafana
          topologyKey: kubernetes.io/hostname
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
          matchExpressions:
          - key: app
            operator: In
            values:
            - cassandra
        topologyKey: kubernetes.io/hostname

server:
  frontend:
    affinity:
      podAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 50
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/component
                operator: In
                values:
                 - history
                 - matching
                 - worker
            topologyKey: kubernetes.io/hostname
      podAntiAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 100
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - cassandra
            topologyKey: kubernetes.io/hostname
        - weight: 75
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - elasticsearch-master
            topologyKey: kubernetes.io/hostname    
        requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/component
              operator: In
              values:
              - frontend
          topologyKey: kubernetes.io/hostname
 
  history:
    affinity:
      podAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 50
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/component
                operator: In
                values:
                 - frontend
                 - matching
                 - worker
            topologyKey: kubernetes.io/hostname
      podAntiAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 100
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - cassandra
            topologyKey: kubernetes.io/hostname
        - weight: 75
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - elasticsearch-master
            topologyKey: kubernetes.io/hostname    
        requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/component
              operator: In
              values:
              - history
          topologyKey: kubernetes.io/hostname

  matching:
    affinity:
      podAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 50
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/component
                operator: In
                values:
                 - frontend
                 - history
                 - worker
            topologyKey: kubernetes.io/hostname
      podAntiAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 100
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - cassandra
            topologyKey: kubernetes.io/hostname
        - weight: 75
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - elasticsearch-master
            topologyKey: kubernetes.io/hostname
        requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/component
              operator: In
              values:
              - matching
          topologyKey: kubernetes.io/hostname

  worker:
    affinity:
      podAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 50
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/component
                operator: In
                values:
                 - frontend
                 - matching
                 - history
            topologyKey: kubernetes.io/hostname
      podAntiAffinity:
        preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 100
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - cassandra
            topologyKey: kubernetes.io/hostname
        - weight: 75
          podAffinityTerm:
            labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - elasticsearch-master
            topologyKey: kubernetes.io/hostname
        requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
            - key: app.kubernetes.io/component
              operator: In
              values:
              - worker
          topologyKey: kubernetes.io/hostname