values.yaml

# Default values for zookeeper.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.

# https://zookeeper.apache.org/doc/r3.4.5/zookeeperAdmin.html
heap: 512M
storage: 10Gi
tickTime: 2000
initLimit: 1
syncLimit: 5
maxClientCnxns: 60
snapRetainCount: 3
purgeInterval: 12
maxSessionTimeout: 40000
minSessionTimeout: 4000
logLevel: INFO
clientPort: 2181
serverPort: 2888
leadElectionPort: 3888
user: 1000
group: 1000

image: "k8s.gcr.io/kubernetes-zookeeper:1.0-3.4.10"
imagePullPolicy: IfNotPresent
size: 3

# If set to `enabled` restricts network access to server and election ports of each node by nodes
# of the same Zookeeper cluster. `NetworkPolicy` should be enabled on a Kubernetes cluster
networkPolicy: disabled

resources:
  requests:
    memory: 1Gi
    cpu: 0.5
  limits:
    memory: 2Gi
    cpu: 1

livenessProbe:
  exec:
    command:
    - sh
    - -c
    - "zookeeper-ready $CLIENTPORT"
  enabled: true
  initialDelaySeconds: 30
  periodSeconds: 10
  timeoutSeconds: 5
  failureThreshold: 5
  successThreshold: 1

readinessProbe:
  exec:
    command:
    - sh
    - -c
    - "zookeeper-ready $CLIENTPORT"
  enabled: true
  initialDelaySeconds: 10
  periodSeconds: 10
  timeoutSeconds: 5
  failureThreshold: 5
  successThreshold: 1

# https://kubernetes.io/docs/tasks/run-application/configure-pdb/
podDisruptionBudget:
  maxUnavailable: 1

# https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#updating-statefulsets
updateStrategy:
  type: RollingUpdate