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Multi cluster guide

If you like you can setup more than one cluster paralle with hetzner-ocp4.

The playbooks 03-stop-cluster.yml and 04-start-cluster.yml starts and stops all virtual machines. Additionally it stops & disables or start & enable the host load balancer.

Create an cluster.yml for every cluster

Create an empty cluster.yml or add all variables there are the some at all clusters.

For example cluster-demo.yml

# Very import, different cluster_name!
cluster_name: demo

# Change public ip address for every cluster.
# default is hostvars['localhost']['ansible_default_ipv4']['address'] 
listen_address: '<public_ip>'

# Different subnet for every cluster, default 192.168.50.0
vn_subnet: "192.168.51.0"

Now you can use all playbooks

Add -e @cluster-demo.yml to all playbooks:

./ansible/02-create-cluster.yml -e @cluster-demo.yml
./ansible/03-stop-cluster.yml -e @cluster-demo.yml
./ansible/04-start-cluster.yml -e @cluster-demo.yml