Bug 1582168

Description of problem:

We are having introspection issues with LLDP

The agent is failing and is not allowing the boot interface to get IP address and the the introspection fails


May 23 09:56:32 localhost.localdomain kernel: Command line: ipa-inspection-callback-url=http://172.31.255.1:5050/v1/continue ipa-inspection-collectors=default,extra-hardware,logs systemd.journald.forward_to_console=yes 
BOOTIF=ec:0d:9a:85:24:32 <========
ipa-inspection-dhcp-all-interfaces=1
ipa-collect-lldp=1 initrd=agent.ramdisk


May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.303 1063 INFO ironic_python_agent.netutils [-] Waiting on LLDP info for interfaces: [('ens5f0', <socket._socketobject object at 0x26ff9f0>), ('ens5f1', <socket._socketobject object at 0x26ff980>), ('ens31f1', <socket._socketobject object at 0x26ffa60>), ('ens31f0', <socket._socketobject object at 0x26ffad0>)], timeout: 30.0
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 INFO ironic_python_agent.netutils [-] Found LLDP info for interface: ens5f0
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils [-] Error while getting LLDP info: [Errno 100] Network is down
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils Traceback (most recent call last):
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils   File "/usr/lib/python2.7/site-packages/ironic_python_agent/netutils.py", line 112, in get_lldp_info
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils     return _get_lldp_info(interfaces)
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils   File "/usr/lib/python2.7/site-packages/ironic_python_agent/netutils.py", line 185, in _get_lldp_info
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils     _receive_lldp_packets(s))
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils   File "/usr/lib/python2.7/site-packages/ironic_python_agent/netutils.py", line 146, in _receive_lldp_packets
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils     pkt = sock.recv(1600)
May 23 09:56:40 localhost.localdomain ironic-python-agent[1063]: 2018-05-23 09:56:40.304 1063 ERROR ironic_python_agent.netutils error: [Errno 100] Network is down


network interfaces: 
{
'ens31f1': {'ip': None, 'mac': 'ec:0d:9a:a1:0f:0d'},
'ens5f1': {'ip': '172.31.255.226', 'mac': 'ec:0d:9a:85:24:33'}, 
'ens5f0': {'ip': None, 'mac': 'ec:0d:9a:85:24:32'},  <===========================
'ens31f0': {'ip': None, 'mac': 'ec:0d:9a:a1:0f:0c'}}


There are various patches improving LLDP handling, for example




https://review.openstack.org/#/c/434385/4



Setting ipa-collect-lldp=0 in /httpboot/inspector.ipxe is the currently used workaround for this problem. After disabling LLDP, introspection completes without error.


Version-Release number of selected component (if applicable):
OSP


How reproducible:
ALWAYS

Steps to Reproduce:
1.Unsure
2.
3.

Actual results:
Introspection fails

Expected results:
introspection success

Additional info: