亲和

pod.spec.affinity.podAffinity

preferredDuringSchedulingIgnoredDuringExecution <[]Object>
requiredDuringSchedulingIgnoredDuringExecution <[]Object>

硬亲和

  1. apiVersion: apps/v1
  2. kind: Deployment
  3. metadata:
  4.   name: redis
  5. spec:
  6.   selector:
  7.     matchLabels:
  8.       redis: redis-dep
  9.   replicas: 6
  10.   template:
  11.     metadata:
  12.       labels:
  13.         redis: redis-dep
  14.     spec:
  15.       containers:
  16.       - image: redis
  17.         name: redis-dep-redis
  18.       affinity:
  19.         podAffinity:
  20.           requiredDuringSchedulingIgnoredDuringExecution:
  21.           - labelSelector:
  22.               matchExpressions:
  23.               - key: run
  24.                 operator: In
  25.                 values:
  26.                 - aa
  27.                 - bb
  28.                 - cc
  29.             topologyKey: kubernetes.io/hostname

软亲和

反亲和

**

preferredDuringSchedulingIgnoredDuringExecution <[]Object>
requiredDuringSchedulingIgnoredDuringExecution <[]Object>

硬反亲和

apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
spec:
  selector:
    matchLabels:
      redis: redis-dep
  replicas: 6
  template:
    metadata:
      labels:
        redis: redis-dep
    spec:
      containers:
      - image: redis
        name: redis-dep-redis
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: run
                operator: In
                values:
                - aa
                - bb
                - cc
            topologyKey: kubernetes.io/hostname

软反亲和

affinity:
podAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app
operator: In
values:
- app1-dep-pod
topologyKey: kubernetes.io/hostname