Conditionally set the nodeIP

inventory/byo/hosts.example

@@ -144,6 +144,11 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true',
 # configure how often node iptables rules are refreshed
 #openshift_node_iptables_sync_period=5s
 
+# Configure nodeIP in the node config
+# This is needed in cases where node traffic is desired to go over an
+# interface other than the default network interface.
+#openshift_node_set_node_ip=True
+
 # host group for masters
 [masters]
 ose3-master[1:3]-ansible.test.example.com

roles/openshift_facts/library/openshift_facts.py

@@ -1074,7 +1074,7 @@ class OpenShiftFacts(object):
 
         if 'node' in roles:
             node = dict(labels={}, annotations={}, portal_net='172.30.0.0/16',
-                        iptables_sync_period='5s')
+                        iptables_sync_period='5s', set_node_ip=False)
             defaults['node'] = node
 
         return defaults

roles/openshift_node/tasks/main.yml

@@ -34,6 +34,7 @@
       schedulable: "{{ openshift_schedulable | default(openshift_scheduleable) | default(None) }}"
       sdn_mtu: "{{ openshift_node_sdn_mtu | default(None) }}"
       storage_plugin_deps: "{{ osn_storage_plugin_deps | default(None) }}"
+      set_node_ip: "{{ openshift_set_node_ip | default(None) }}"
 
 # We have to add tuned-profiles in the same transaction otherwise we run into depsolving
 # problems because the rpms don't pin the version properly.

roles/openshift_node/templates/node.yaml.v1.j2

@@ -23,7 +23,9 @@ networkConfig:
 {% if openshift.common.use_openshift_sdn %}
    networkPluginName: {{ openshift.common.sdn_network_plugin_name }}
 {% endif %}
+{% if openshift.node.set_node_ip | bool %}
 nodeIP: {{ openshift.common.ip }}
+{% endif %}
 nodeName: {{ openshift.common.hostname | lower }}
 podManifestConfig:
 servingInfo: