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-rwxr-xr-xroles/openshift_facts/library/openshift_facts.py20
-rw-r--r--roles/openshift_node/templates/node.yaml.v1.j21
2 files changed, 16 insertions, 5 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py
index 1b2ba6be3..23016fe31 100755
--- a/roles/openshift_facts/library/openshift_facts.py
+++ b/roles/openshift_facts/library/openshift_facts.py
@@ -597,11 +597,12 @@ def set_deployment_facts_if_unset(facts):
return facts
-def set_sdn_facts_if_unset(facts):
+def set_sdn_facts_if_unset(facts, system_facts):
""" Set sdn facts if not already present in facts dict
Args:
facts (dict): existing facts
+ system_facts (dict): ansible_facts
Returns:
dict: the facts dict updated with the generated sdn facts if they
were not already present
@@ -620,9 +621,18 @@ def set_sdn_facts_if_unset(facts):
if 'sdn_host_subnet_length' not in facts['master']:
facts['master']['sdn_host_subnet_length'] = '8'
- if 'node' in facts:
- if 'sdn_mtu' not in facts['node']:
- facts['node']['sdn_mtu'] = '1450'
+ if 'node' in facts and 'sdn_mtu' not in facts['node']:
+ node_ip = facts['common']['ip']
+
+ # default MTU if interface MTU cannot be detected
+ facts['node']['sdn_mtu'] = '1450'
+
+ for val in system_facts.itervalues():
+ if isinstance(val, dict) and 'mtu' in val:
+ mtu = val['mtu']
+
+ if 'ipv4' in val and val['ipv4'].get('address') == node_ip:
+ facts['node']['sdn_mtu'] = str(mtu - 50)
return facts
@@ -893,7 +903,7 @@ class OpenShiftFacts(object):
facts = set_master_selectors(facts)
facts = set_metrics_facts_if_unset(facts)
facts = set_identity_providers_if_unset(facts)
- facts = set_sdn_facts_if_unset(facts)
+ facts = set_sdn_facts_if_unset(facts, self.system_facts)
facts = set_deployment_facts_if_unset(facts)
facts = set_aggregate_facts(facts)
return dict(openshift=facts)
diff --git a/roles/openshift_node/templates/node.yaml.v1.j2 b/roles/openshift_node/templates/node.yaml.v1.j2
index 4931d127e..509cce2e0 100644
--- a/roles/openshift_node/templates/node.yaml.v1.j2
+++ b/roles/openshift_node/templates/node.yaml.v1.j2
@@ -22,6 +22,7 @@ networkConfig:
{% if openshift.common.use_openshift_sdn %}
networkPluginName: {{ openshift.common.sdn_network_plugin_name }}
{% endif %}
+nodeIP: {{ openshift.common.ip }}
nodeName: {{ openshift.common.hostname | lower }}
podManifestConfig:
servingInfo: