容器化应用系统上生产的最佳实践

nodeSelector:
  zone: DMZ
YAML

livenessProbe:
  tcpSocket:
    port: 8080
  initialDelaySeconds: 60
readinessProbe:
  httpGet:
    path: /myapp/services/
    port: 8080
    scheme: HTTP
  initialDelaySeconds: 60
YAML

kind: PodDisruptionBudget
apiVersion: policy/v1beta1
metadata:
  name: kafka-prod-kafka
  labels:
    app.kubernetes.io/instance: kafka-prod
    app.kubernetes.io/managed-by: strimzi-cluster-operator
    app.kubernetes.io/name: strimzi
    strimzi.io/cluster: kafka-prod
    strimzi.io/kind: Kafka
    strimzi.io/name: kafka-prod-kafka
spec:
  selector:
    matchLabels:
      strimzi.io/cluster: kafka-prod
      strimzi.io/kind: Kafka
      strimzi.io/name: kafka-prod-kafka
  maxUnavailable: 1
YAML

kind: PodDisruptionBudget
apiVersion: policy/v1beta1
metadata:
  name: redis-cluster-redis
  namespace: myapp
  labels:
    app.kubernetes.io/component: redis
    app.kubernetes.io/managed-by: redis-operator
    app.kubernetes.io/name: redis
    app.kubernetes.io/part-of: redis-cluster
    redis.kun/v1beta1: myapp_redis
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app.kubernetes.io/component: redis
      app.kubernetes.io/managed-by: redis-operator
      app.kubernetes.io/name: redis
      app.kubernetes.io/part-of: redis-cluster
      redis.kun/v1beta1: myapp_redis
YAML

kind: StatefulSet
apiVersion: apps/v1
metadata:
  name: redis-cluster-redis
  labels:
    app.kubernetes.io/component: redis
    app.kubernetes.io/managed-by: redis-operator
    app.kubernetes.io/name: redis
    app.kubernetes.io/part-of: redis-cluster
    redis.kun/v1beta1: myapp_redis
spec:
  replicas: 3
  selector:
    matchLabels:
      app.kubernetes.io/component: redis
      app.kubernetes.io/managed-by: redis-operator
      app.kubernetes.io/name: redis
      app.kubernetes.io/part-of: redis-cluster
      redis.kun/v1beta1: myapp_redis
  template:
    metadata:
      creationTimestamp: null
      labels:
        app.kubernetes.io/component: redis
        app.kubernetes.io/managed-by: redis-operator
        app.kubernetes.io/name: redis
        app.kubernetes.io/part-of: redis-cluster
        redis.kun/v1beta1: myapp_redis
    spec:
      containers:
        <...>
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app.kubernetes.io/component: redis
                    app.kubernetes.io/managed-by: redis-operator
                    app.kubernetes.io/name: redis
                    app.kubernetes.io/part-of: redis-cluster
                    redis.kun/v1beta1: myapp_redis
                topologyKey: kubernetes.io/hostname
...
YAML