uninstall.yml playbook fails to remove /var/lib/docker if its mounted on separate filesystem

Solution In Progress - Updated -

Issue

  • uninstall.yml playbook fails to remove /var/lib/docker if its mounted on separate filesystem with below errors:
The full traceback is:
  File "/tmp/ansible_5zSHkj/ansible_module_file.py", line 278, in main
    shutil.rmtree(b_path, ignore_errors=False)
  File "/usr/lib64/python2.7/shutil.py", line 256, in rmtree
    onerror(os.rmdir, path, sys.exc_info())
  File "/usr/lib64/python2.7/shutil.py", line 254, in rmtree
    os.rmdir(path)
failed: [ose_master.example.com] (item=/var/lib/docker) => {
    "changed": false,
    "invocation": {
        "module_args": {
            "attributes": null,
            "backup": null,
            "content": null,
            "delimiter": null,
            "diff_peek": null,
            "directory_mode": null,
            "follow": false,
            "force": false,
            "group": null,
            "mode": null,
            "original_basename": null,
            "owner": null,
            "path": "/var/lib/docker",
            "recurse": false,
            "regexp": null,
            "remote_src": null,
            "selevel": null,
            "serole": null,
            "setype": null,
            "seuser": null,
            "src": null,
            "state": "absent",
            "unsafe_writes": null,
            "validate": null
        }
    },
    "item": "/var/lib/docker",
    "msg": "rmtree failed: [Errno 16] Device or resource busy: '/var/lib/docker'"
}

Environment

  • OpenShift Container Platform
    • 3.9
  • /var/lib/docker mounted on separate filesystem.

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