bug: warnet barfs a stack trace if running warnet status with an outdated kubeconfig

[josibake]

Installed warnet, created a new project directory and ran warnet status without running minikube start or checking my cluster configs in kubectl and got this:

Traceback (most recent call last):
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connection.py", line 199, in _new_conn
    sock = connection.create_connection(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/util/connection.py", line 85, in create_connection
    raise err
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/util/connection.py", line 73, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [Errno 61] Connection refused

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 789, in urlopen
    response = self._make_request(
               ^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 490, in _make_request
    raise new_e
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 466, in _make_request
    self._validate_conn(conn)
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 1095, in _validate_conn
    conn.connect()
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connection.py", line 693, in connect
    self.sock = sock = self._new_conn()
                       ^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connection.py", line 214, in _new_conn
    raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPSConnection object at 0x107e17890>: Failed to establish a new connection: [Errno 61] Connection refused

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/bin/warnet", line 8, in <module>
    sys.exit(cli())
             ^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/click/core.py", line 1157, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/click/core.py", line 1078, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/click/core.py", line 1688, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/click/core.py", line 1434, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/click/core.py", line 783, in invoke
    return __callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet/src/warnet/status.py", line 16, in status
    tanks = _get_tank_status()
            ^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet/src/warnet/status.py", line 64, in _get_tank_status
    tanks = get_mission("tank")
            ^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet/src/warnet/k8s.py", line 36, in get_mission
    pods = get_pods()
           ^^^^^^^^^^
  File "/Users/josibake/work/warnet/src/warnet/k8s.py", line 31, in get_pods
    raise e
  File "/Users/josibake/work/warnet/src/warnet/k8s.py", line 29, in get_pods
    pod_list: V1PodList = sclient.list_namespaced_pod(get_default_namespace())
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/api/core_v1_api.py", line 15823, in list_namespaced_pod
    return self.list_namespaced_pod_with_http_info(namespace, **kwargs)  # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/api/core_v1_api.py", line 15942, in list_namespaced_pod_with_http_info
    return self.api_client.call_api(
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/api_client.py", line 348, in call_api
    return self.__call_api(resource_path, method,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/api_client.py", line 180, in __call_api
    response_data = self.request(
                    ^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/api_client.py", line 373, in request
    return self.rest_client.GET(url,
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/rest.py", line 244, in GET
    return self.request("GET", url,
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/kubernetes/client/rest.py", line 217, in request
    r = self.pool_manager.request(method, url,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/_request_methods.py", line 135, in request
    return self.request_encode_url(
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/_request_methods.py", line 182, in request_encode_url
    return self.urlopen(method, url, **extra_kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/poolmanager.py", line 443, in urlopen
    response = conn.urlopen(method, u.request_uri, **kw)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 873, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 873, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 873, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/connectionpool.py", line 843, in urlopen
    retries = retries.increment(
              ^^^^^^^^^^^^^^^^^^
  File "/Users/josibake/work/warnet-projects/tabconf-example/.venv/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='127.0.0.1', port=64897): Max retries exceeded with url: /api/v1/namespaces/default/pods (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x107e17890>: Failed to establish a new connection: [Errno 61] Connection refused'))

Ideally, this prompts the user that their credentials are out of date or that they are not running with a backend.