RabbitMQ

Let's see how to run RabbitMQ (docs, code) in a Kubernetes cluster.

Configuration

We'll use the Bitnami Helm chart (code):

• values.yaml

Deployment

# adds Helm chart repository
helm repo add bitnami https://charts.bitnami.com/bitnami
helm repo update

# installs
helm upgrade --install rabbitmq bitnami/rabbitmq --namespace rabbitmq --create-namespace

# checks all pods are running
kubectl get svc,deploy,pod,ingress,pv,certificate -n rabbitmq

# displays RabbitMQ cluster status
kubectl exec rabbitmq-0 -n=rabbitmq -- rabbitmq-diagnostics cluster_status

# uninstalls
helm uninstall rabbitmq -n rabbitmq
kubectl delete ns rabbitmq

Examples

Minimalist footprint

replicaCount: 1

Enable calls from another namespace

networkPolicy:
  enabled: true
  allowExternal: false
  additionalRules: []

Authentication with hard-coded password

auth:
  username: myyser
  password: "myp@ass0rd"
  securePassword: false

Usage

Access Rabbit Management

Retrieve generated password:

kubectl get secret rabbitmq -n rabbitmq -o jsonpath="{.data.rabbitmq-password}" | base64 -d

Create a tunnel:

kubectl port-forward svc/rabbitmq 15672:15672 -n rabbitmq

Open Rabbit Management from 127.0.0.1:15672 and log in with "user" as username and the password retrieved before.