feat: re-introduce flux vars for cluster network settings

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/ansible/inventory/group_vars/kubernetes/supplemental.yaml.j2

@@ -1,8 +1,13 @@
+#jinja2: trim_blocks: True, lstrip_blocks: True
 ---
 timezone: "{{ bootstrap_timezone }}"
 github_username: "{{ bootstrap_github_username }}"
-coredns_addr: "{{ bootstrap_coredns_addr }}"
+coredns_addr: "{{ bootstrap_service_cidr.split(',')[0] | ansible.utils.nthhost(10) }}"
 kube_vip_addr: "{{ bootstrap_kube_vip_addr }}"
-cluster_cidr: "{{ bootstrap_cluster_cidr }}"
-service_cidr: "{{ bootstrap_service_cidr }}"
+cluster_cidr: "{{ bootstrap_cluster_cidr.split(',')[0] }}"
+service_cidr: "{{ bootstrap_service_cidr.split(',')[0] }}"
 node_cidr: "{{ bootstrap_node_cidr }}"
+{% if bootstrap_ipv6_enabled | default(false) %}
+cluster_cidr_v6: "{{ bootstrap_cluster_cidr.split(',')[1] }}"
+service_cidr_v6: "{{ bootstrap_service_cidr.split(',')[1] }}"
+{% endif %}