Using Redis in Kubernetes

Introduction

This guide explains how to use Redis within a Kubernetes environment, including installation, configuration, and basic Redis commands.

Installation

Install Redis Tools

# Install Redis CLI tools
sudo apt install redis-tools

Configuration

Kubernetes Resources

ConfigMap

# Get Redis ConfigMap
kubectl get configmap -n resilience-api redis -o yaml
# Output:
apiVersion: v1
data:
  address: 10.59.242.156:6379
kind: ConfigMap

Secret

# Get Redis authentication secret
kubectl get secrets -n resilience-api redis-auth -o yaml
# Output:
apiVersion: v1
data:
  auth_string: MzRkZDlmYTItZjYxYS00ZTA2LTgzMmUtNTFiZDkwZWY4NDEy
kind: Secret

Connecting to Redis

# Connect to Redis using host and authentication
redis-cli -h 10.0.0.156
auth_string: MzRkZDlmYTItZjYxYS00ZTA2LTgzMmUtNTFiZDkwZWY4NDEy

Basic Redis Commands

# Check Redis server information
info

# Test connection
ping

# List all keys
keys *