add support for Calico IP6_AUTODETECTION_METHOD (#8541)

inventory/sample/group_vars/k8s_cluster/k8s-net-calico.yml

@@ -92,11 +92,13 @@
 # Cenable eBPF mode
 # calico_bpf_enabled: false
 
-# If you want to use non default IP_AUTODETECTION_METHOD for calico node set this option to one of:
+# If you want to use non default IP_AUTODETECTION_METHOD, IP6_AUTODETECTION_METHOD for calico node set this option to one of:
 # * can-reach=DESTINATION
 # * interface=INTERFACE-REGEX
 # see https://docs.projectcalico.org/reference/node/configuration
 # calico_ip_auto_method: "interface=eth.*"
+# calico_ip6_auto_method: "interface=eth.*"
+
 # Choose the iptables insert mode for Calico: "Insert" or "Append".
 # calico_felix_chaininsertmode: Insert
 

roles/network_plugin/calico/defaults/main.yml

@@ -85,11 +85,12 @@ calico_wireguard_enabled: false
 calico_wireguard_packages: []
 calico_wireguard_repo: https://download.copr.fedorainfracloud.org/results/jdoss/wireguard/epel-{{ ansible_distribution_major_version }}-$basearch/
 
-# If you want to use non default IP_AUTODETECTION_METHOD for calico node set this option to one of:
+# If you want to use non default IP_AUTODETECTION_METHOD, IP6_AUTODETECTION_METHOD for calico node set this option to one of:
 # * can-reach=DESTINATION
 # * interface=INTERFACE-REGEX
-# see https://docs.projectcalico.org/v3.0/reference/node/configuration#ip-autodetection-methods
+# see https://projectcalico.docs.tigera.io/reference/node/configuration#ip-autodetection-methods
 # calico_ip_auto_method: "interface=eth.*"
+# calico_ip6_auto_method: "interface=eth.*"
 
 calico_baremetal_nodename: "{{ kube_override_hostname | default(inventory_hostname) }}"
 

roles/network_plugin/calico/templates/calico-node.yml.j2

@@ -267,6 +267,10 @@ spec:
 {% endif %}
             - name: IP
               value: "autodetect"
+{% if calico_ip6_auto_method is defined and enable_dual_stack_networks %}
+            - name: IP6_AUTODETECTION_METHOD
+              value: "{{ calico_ip6_auto_method }}"
+{% endif %}
 {% if enable_dual_stack_networks %}
             - name: IP6
               value: autodetect