FRR in a Docker container: socket_path must be a value

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Hi
I used containerlab to set up a small topology with a few FRR routers running as Docker containers. Accordingly, I set ansible_connection: Docker. However, when I run the following playbook:

  • name: testing facts
    hosts: routers
    tasks:
  • name: Do not collect hardware facts

frr.frr.frr_facts:
gather_subset:

  • config

I get the following error:

An exception occurred during task execution. To see the full traceback, use -vvv. The error was: AssertionError: socket_path must be a value
fatal: [172.20.20.5]: FAILED! => {“changed”: false, “module_stderr”: “Traceback (most recent call last):\n File "/root/.ansible/tmp/ansible-tmp-1626200560.5446706-211173012575608/AnsiballZ_frr_facts.py", line 102, in \n _ansiballz_main()\n File "/root/.ansible/tmp/ansible-tmp-1626200560.5446706-211173012575608/AnsiballZ_frr_facts.py", line 94, in _ansiballz_main\n invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)\n File "/root/.ansible/tmp/ansible-tmp-1626200560.5446706-211173012575608/AnsiballZ_frr_facts.py", line 40, in invoke_module\n runpy.run_module(mod_name=‘ansible_collections.frr.frr.plugins.modules.frr_facts’, init_globals=None, run_name=‘main’, alter_sys=True)\n File "/usr/lib/python3.8/runpy.py", line 207, in run_module\n return _run_module_code(code, init_globals, run_name, mod_spec)\n File "/usr/lib/python3.8/runpy.py", line 97, in _run_module_code\n _run_code(code, mod_globals, init_globals,\n File "/usr/lib/python3.8/runpy.py", line 87, in _run_code\n exec(code, run_globals)\n File "/tmp/ansible_frr.frr.frr_facts_payload_dcxvzx4f/ansible_frr.frr.frr_facts_payload.zip/ansible_collections/frr/frr/plugins/modules/frr_facts.py", line 425, in \n File "/tmp/ansible_frr.frr.frr_facts_payload_dcxvzx4f/ansible_frr.frr.frr_facts_payload.zip/ansible_collections/frr/frr/plugins/modules/frr_facts.py", line 410, in main\n File "/tmp/ansible_frr.frr.frr_facts_payload_dcxvzx4f/ansible_frr.frr.frr_facts_payload.zip/ansible_collections/frr/frr/plugins/modules/frr_facts.py", line 134, in init\n File "/tmp/ansible_frr.frr.frr_facts_payload_dcxvzx4f/ansible_frr.frr.frr_facts_payload.zip/ansible_collections/frr/frr/plugins/module_utils/network/frr/frr.py", line 18, in get_capabilities\n File "/tmp/ansible_frr.frr.frr_facts_payload_dcxvzx4f/ansible_frr.frr.frr_facts_payload.zip/ansible/module_utils/connection.py", line 121, in init\nAssertionError: socket_path must be a value\n”, “module_stdout”: “”, “msg”: “MODULE FAILURE\nSee stdout/stderr for the exact error”, “rc”: 1}

I tried ansible_connection: network_cli, but that tries to connect to port 22, and SSH server isn’t running on the FRR containers. Is there a way to direct Ansible to use vtysh to connect to the containers?

Thanks and best regards
Saqib