U1.54 Ubuntu Quick Start (QS): RabbitMQ Kubernetes test bench on premises - chempkovsky/CS2WPF-and-CS2XAMARIN GitHub Wiki

We start with

RabbitMQ cluster name and Namespace

Pod Security Policies Note

Production Example

Create a Cluster

Management UI

We start with

• we continue to work with the Kubernetes cluster prepared in the article
  • U1.53 Ubuntu Quick Start (QS): RabbitMQ Kubernetes Messaging Topology Operator

RabbitMQ cluster name and Namespace

• RabbitMQ cluster nameRabbitMQ cluster name = rbmq-tst-clstr
• RabbitMQ cluster nameRabbitMQ cluster Namespace = rbmq-tst-clstr-nmspc

Namespace Note:

• selfsigned-issuer was automatically created in the rabbitmq-system namespace
  • read the article Installing RabbitMQ Messaging Topology Operator

Pod Security Policies Note

• read the article (Optional) Apply Pod Security Policies
• read the article Pod Security Policies
  • They wrote: PodSecurityPolicy is deprecated as of Kubernetes v1.21, and will be removed in v1.25. For more information on the deprecation, see PodSecurityPolicy Deprecation: Past, Present, and Future.

Production Example

• read the article Existing examples
• read the article Production Example

Create a Namespace

• for u2004s01

kubectl apply -f- <<EOF
apiVersion: v1
kind: Namespace
metadata:
  name: rbmq-tst-clstr-nmspc
EOF

Create a Cluster

• Create a Cluster with disabled:
  • tls
  • topology-allowed-namespaces
• for u2004s01

kubectl apply -f- <<EOF
apiVersion: rabbitmq.com/v1beta1
kind: RabbitmqCluster
metadata:
  name: rbmq-tst-clstr
  namespace: rbmq-tst-clstr-nmspc
spec:
  replicas: 2
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: kubernetes.io/hostname
            operator: In
            values:
            - u2004s02
            - u2004s03
  persistence:
    storageClassName: second-local-path
    storage: 1Gi
  resources:
    requests:
      cpu: 100m
      memory: 1Gi
    limits:
      cpu: 100m
      memory: 1Gi
EOF

yury@u2004s01:~$ kubectl get pods -n rbmq-tst-clstr-nmspc
NAME                      READY   STATUS    RESTARTS   AGE
rbmq-tst-clstr-server-0   1/1     Running   0          6m55s
rbmq-tst-clstr-server-1   1/1     Running   0          6m54s

Management UI

• for u2004s01

yury@u2004s01:~$ kubectl get rabbitmqcluster rbmq-tst-clstr -n rbmq-tst-clstr-nmspc -ojsonpath='{.status.defaultUser.secretReference.name}'
rbmq-tst-clstr-default-user

yury@u2004s01:~$ kubectl get secret rbmq-tst-clstr-default-user -n rbmq-tst-clstr-nmspc -o jsonpath="{.data.username}" | base64 --decode
default_user_MPPZecVUxkvaiR3HFbZ

yury@u2004s01:~$ kubectl get secret rbmq-tst-clstr-default-user -n rbmq-tst-clstr-nmspc -o jsonpath="{.data.password}" | base64 --decode
Y10E5a5Vbbdx4TmGsh97pj6ZjK3Wu3Nc

yury@u2004s01:~$ kubectl port-forward --address 0.0.0.0 svc/rbmq-tst-clstr -n rbmq-tst-clstr-nmspc 15672

• Now http://192.168.100.61:15672/-link is available for
  • user name: default_user_MPPZecVUxkvaiR3HFbZ
  • password: Y10E5a5Vbbdx4TmGsh97pj6ZjK3Wu3Nc