Update docs_ubuntu_22.04.md

offline/docs_ubuntu_22.04.md

@@ -327,7 +327,10 @@ deeplink_title = "wire demo environment, example.com"
 
 [restund:vars]
 restund_uid = root
-restund_allowed_private_network_cidrs=172.16.0.1/24
+restund_allowed_private_network_cidrs='["172.16.0.1/24"]'
+
+[rmq-cluster:vars]
+rabbitmq_network_interface = enp1s0
 
 [kube-master]
 kubenode1
@@ -396,6 +399,8 @@ This should generate two files. `./ansible/inventory/group_vars/all/secrets.yaml
 
 ## Deploying Kubernetes, Restund and stateful services
 
+NOTE: Before running `d ./bin/offline-cluster.sh`, comment out the call to `./bin/fix_default_router.sh` (this call/script dsiables DNS resolution in the cluster). If you do not comment out this line, notifications will not occur.
+
 In order to deploy all the services run:
 ```
 d ./bin/offline-cluster.sh
@@ -513,21 +518,11 @@ what the IP addresses of cassandra, elasticsearch, minio and rabbitmq are.
 d ansible-playbook -i ./ansible/inventory/offline/hosts.ini ansible/helm_external.yml
 ```
 
-#### Installing Rabbitmq
+### Preparation for Federation
 
-To install the rabbitmq,
-First copy the value and secret file:
-```
-cp ./values/rabbitmq/prod-values.example.yaml ./values/rabbitmq/values.yaml
-cp ./values/rabbitmq/prod-secrets.example.yaml ./values/rabbitmq/secrets.yaml
-```
+For enabling Federation, we need to have RabbitMQ in place. Please follow the instructions in [offline/federation_preparation.md](./federation_preparation.md) for setting up RabbitMQ.
 
-Now, update the `./values/rabbitmq/values.yaml` and `./values/rabbitmq/secrets.yaml` with correct values as per needed.
-
-Deploy the rabbitmq helm chart -
-```
-d helm upgrade --install rabbitmq ./charts/rabbitmq --values ./values/rabbitmq/values.yaml --values ./values/rabbitmq/secrets.yaml
-```
+After that continue to the next steps below.
 
 ### Deploying Wire