Redis Cluster Kubernetes Helm Charts

This repository contains Redis cluster helm charts that can survive pod restarts in which the pod IPs get changed afterwards, the cluster will be recovered successfully.

Parameters

Name	Description	Example
nameOverride	String to override redis-cluster.name template	redis-cluster
fullnameOverride	String to override redis-cluster.fullname template	redis-cluster
securityContext.enabled	Whether to enable pod's container security context or not	false
securityContext	Pod's security context	{}
minReadySeconds	minimum number of seconds for which a newly created Pod should be running and ready without any of its containers crashing, for it to be considered available	10
priorityClassName	Priority indicates the importance of a Pod relative to other Pods	high-priority
redis.image	Redis docker image	redis:7.2.4
redis.port	Redis server port	6379
redis.bus	Redis cluster bus port	16379
redis.securityContext.enabled	Whether to enable the Redis container security context or not	false
redis.securityContext	Redis container security context	{}
redis.resources	The resources of the redis container	{}
cluster.init	A boolean to specify whether the cluster should be initialized. (Can be false when cluster is already created and maybe you just want to change the resources of the cluster)	true
cluster.master	Number of master nodes	3
cluster.replicas	Number of replicas of each master	1
metrics.enabled	Turn on/off Redis exporter	true
metrics.image	Docker image of Redis exporter	oliver006/redis_exporter:v1.56.0
metrics.securityContext.enabled	Whether to enable metrics container security context	false
metrics.securityContext	Metric's container security context	{}
metrics.resources	Resources of metrics container	{}
metrics.serviceMonitor.enabled	Create a service monitor if metrics is enabled	true
metrics.serviceMonitor.interval	Metrics scraping interval	30s
service.enabled	Create a service to access the cluster	true
service.type	Service type	ClusterIP
persistence.storage	volume storage	2Gi
persistence.accessModes	volume access modes	["ReadWriteOnce"]
persistence.storageClassName	Storage class name of PVC	ceph-rdb
extraConfig	Passing extra key-value configs to redis.conf	{}

Please see the values.yaml to see how the parameters are used.

Deploy

Clone the repo and cd to the repo directory.

helm upgrade -i redis-cluster . -f values.yaml