nxos_vlans: invalid syntax (<unknown>, line 1)

[drobnymichal]

SUMMARY

I am using nxos_vlans module for vlans deployment. However, the task returns the error mentioned below. I tried changing the version of this library (3.0, 4.4.0,5.3.0), but without success. I also tried Python 3.10 and Python 3.9 - same behavior.

This switch works fine:

Software
  BIOS: version 01.11
  NXOS: version 10.2(6) [Maintenance Release]

Hardware
  cisco Nexus9000 C9332D-GX2B Chassis 
  Intel(R) Xeon(R) CPU D-1633N @ 2.50GHz with 32811780 kB of memory.

This switch raises the described error:

Software
  BIOS: version 05.40
  NXOS: version 9.3(3)

Hardware
  cisco Nexus9000 C93108TC-FX Chassis 
  Intel(R) Xeon(R) CPU D-1526 @ 1.80GHz with 24570436 kB of memory.

ISSUE TYPE

• Bug Report

COMPONENT NAME

nxos_vlans

ANSIBLE VERSION

ansible [core 2.16.4]
  config file = /home/user/projects/vlans/ansible.cfg
  configured module search path = ['/home/user/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/user/.local/lib/python3.10/site-packages/ansible
  ansible collection location = /home/user/.ansible/collections:/usr/share/ansible/collections
  executable location = /home/user/.local/bin/ansible
  python version = 3.10.12 (main, Nov 20 2023, 15:14:05) [GCC 11.4.0] (/usr/bin/python3)
  jinja version = 3.1.2
  libyaml = True

COLLECTION VERSION

Collection Version
---------- -------
cisco.nxos 5.3.0  

CONFIGURATION

None

OS / ENVIRONMENT

PC: Ubuntu 22.04 switch:

Software
  BIOS: version 05.40
 NXOS: version 9.3(3)

Hardware
  cisco Nexus9000 C93108TC-FX Chassis 
  Intel(R) Xeon(R) CPU D-1526 @ 1.80GHz with 24570436 kB of memory.

STEPS TO REPRODUCE

- name: Gather Vlans from NXOS
  cisco.nxos.nxos_vlans:
    state: gathered

EXPECTED RESULTS

Return or push VLANS from/to the device.

ACTUAL RESULTS

The task will terminate with the error below. I have tried other states, such as merged or replaced. It always ends with the error.

The full traceback is:
  File "/home/user/.ansible/collections/ansible_collections/ansible/netcommon/plugins/module_utils/network/common/facts/facts.py", line 128, in get_network_resources_facts
    inst.populate_facts(self._connection, self.ansible_facts, data)
  File "/home/user/.ansible/collections/ansible_collections/cisco/nxos/plugins/module_utils/network/nxos/facts/vlans/vlans.py", line 89, in populate_facts
    data = self.normalize_table_data(structured, run_cfg_output)
  File "/home/user/.ansible/collections/ansible_collections/cisco/nxos/plugins/module_utils/network/nxos/facts/vlans/vlans.py", line 153, in normalize_table_data
    structured = ast.literal_eval(str(structured))
  File "/usr/lib/python3.10/ast.py", line 64, in literal_eval
    node_or_string = parse(node_or_string.lstrip(" \t"), mode='eval')
  File "/usr/lib/python3.10/ast.py", line 50, in parse
    return compile(source, filename, mode, flags,
fatal: [switch]: FAILED! => {
    "changed": false,
    "invocation": {
        "module_args": {
            "config": null,
            "running_config": null,
            "state": "gathered"
        }
    },
    "msg": "invalid syntax (<unknown>, line 1)"
}

[juhnny5]

Hello, I'm experiencing exactly the same problem on a Cisco Nexus 5k.

[NilashishC]

@drobnymichal Can you please share the output of show running-config | section ^vlan and show vlan | json-pretty from the target appliance?