+++ This bug is a downstream clone. The original bug is: +++ +++ bug 1494921 +++ ====================================================================== Description of problem: NPE when trying to get LLDP from host interface. Version-Release number of selected component (if applicable): ovirt-engine-4.1.7.1-0.1.el7.noarch vdsm-4.19.32-1.el7ev.x86_64 Steps to Reproduce: 1./ovirt-engine/api/hosts/<host-id>/nics/<nic-id>/linklayerdiscoveryprotocolelements Actual results: <fault> <detail>Unexpected exception</detail> <reason>Operation Failed</reason> </fault> Expected results: Get LLDP info Additional info: supervdsm error: Traceback (most recent call last): File "/usr/share/vdsm/supervdsmServer", line 95, in wrapper res = func(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 293, in get_lldp_info return lldp_info.get_info(filter) File "/usr/lib/python2.7/site-packages/vdsm/network/lldp/info.py", line 31, in get_info return {device: _get_info(device) for device in filter['devices']} File "/usr/lib/python2.7/site-packages/vdsm/network/lldp/info.py", line 31, in <dictcomp> return {device: _get_info(device) for device in filter['devices']} File "/usr/lib/python2.7/site-packages/vdsm/network/lldp/info.py", line 39, in _get_info dev_info['tlvs'] = Lldp.get_tlvs(device) File "/usr/lib/python2.7/site-packages/vdsm/network/lldp/lldpad.py", line 42, in get_tlvs return lldptool.get_tlvs(iface) File "/usr/lib/python2.7/site-packages/vdsm/network/lldpad/lldptool.py", line 82, in get_tlvs return _parse_tlvs(stdout) File "/usr/lib/python2.7/site-packages/vdsm/network/lldpad/lldptool.py", line 94, in _parse_tlvs 'properties': tlv.parse_properties(properties)} File "/usr/lib/python2.7/site-packages/vdsm/network/lldpad/lldptool.py", line 142, in parse_properties return self._property_parser.parse(self.name, properties_text) File "/usr/lib/python2.7/site-packages/vdsm/network/lldpad/lldptool.py", line 191, in parse properties['object identifier'] = property_lines[2].split( IndexError: list index out of range LLDP info from the host using lldptool: Chassis ID TLV MAC: 58:0a:20:36:81:da Port ID TLV Local: Eth100/1/25 Time to Live TLV 120 Port Description TLV Ethernet100/1/25 System Name TLV rack03-sw04-lab4.tlv.tlv.redhat.com System Description TLV Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (c) 2002-2014, Cisco Systems, Inc. All rights reserved. System Capabilities TLV System capabilities: Bridge Enabled capabilities: Bridge Management Address TLV IPv4: 10.35.23.241 Ifindex: 83886080 CEE DCBX TLV Control TLV: SeqNo: 1, AckNo: 20 Priority Flow Control TLV: Enabled, Not Willing, No Error PFC enabled priorities: 3 Number of TC's supported: 8 Application TLV: Enabled, Not Willing, No Error Ethertype: 0x8906, Priority Map: 0x08 Priority Groups TLV: Enabled, Not Willing, No Error PGID Priorities: 0:[0,1,2,4,5,6,7] 1:[3] PGID Percentages: 0:50% 1:50% 2:0% 3:0% 4:0% 5:0% 6:0% 7:0% Number of TC's supported: 2 Cisco 4-wire Power-via-MDI TLV 4-Pair PoE supported Spare pair Detection/Classification not required PD Spare pair Desired State: Disabled PSE Spare pair Operational State: Disabled Unidentified Org Specific TLV OUI: 0x000142, Subtype: 2, Info: 240024002400086e2400240024002400 Port VLAN ID TLV PVID: 443 End of LLDPDU TLV (Originally by Meni Yakove)
Created attachment 1330100 [details] vds, supervdsm and engine logs (Originally by Meni Yakove)
8.5.9.7 object identifier (OID) string length The object identifier string length field shall contain the length, in octets, of the OID. A value of zero in this field indicates that the OID field is not provided. Seems like the OID field is optional. (Originally by edwardh)
nope, the code is not in today's vdsm-4.19.33
Verified on - vdsm-4.19.35-1.el7ev.x86_64 and 4.1.7.4-0.1.el7
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:3139