magnum-api error ~/.kube/config missing

[Daniel Niasoff]

**Bug Report**

magnum-api fails to create cluster template or clusters - getting Internal server error 500

Getting stacktrace

```2023-12-25 16:30:18.814 754 INFO werkzeug [None req-02595850-de14-4192-9025-908d63d91927 9b3dc4c0ffff46f5a71a9af7c5fc7b1a 10f91ab774a14ab38cc791ea60bc37f4 - - default -] 92.12.220.113, 192.168.100.20,192.168.100.28 - - [25/Dec/2023 16:30:18] "POST /v1/clustertemplates HTTP/1.0" 500 -
2023-12-25 16:30:23.491 755 ERROR wsme.api [None req-a83ff7d7-b859-47a3-8e29-a45119986867 9b3dc4c0ffff46f5a71a9af7c5fc7b1a 10f91ab774a14ab38cc791ea60bc37f4 - - default -] Server-side error: "Configuration file ~/.kube/config not found". Detail:
Traceback (most recent call last):

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/pykube/config.py", line 111, in from_env
    config = cls.from_service_account()

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/pykube/config.py", line 42, in from_service_account
    with service_account_dir.joinpath("token").open() as fp:

  File "/usr/lib/python3.10/pathlib.py", line 1119, in open
    return self._accessor.open(self, mode, buffering, encoding, errors,

FileNotFoundError: [Errno 2] No such file or directory: '/var/run/secrets/kubernetes.io/serviceaccount/token'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/wsmeext/pecan.py", line 82, in callfunction
    result = f(self, *args, **kwargs)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/api/validation.py", line 165, in wrapper
    return func(*args, **kwargs)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/api/validation.py", line 128, in wrapper
    return func(*args, **kwargs)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/api/validation.py", line 180, in wrapper
    return func(*args, **kwargs)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/api/validation.py", line 190, in wrapper
    return func(*args, **kwargs)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/api/validation.py", line 84, in wrapper
    driver.Driver.get_driver(*cluster_type)

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/drivers/common/driver.py", line 123, in get_driver
    definition_map = cls.get_drivers()

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum/drivers/common/driver.py", line 77, in get_drivers
    for cluster_type in def_class().provides:

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum_cluster_api/driver.py", line 24, in __init__
    self.k8s_api = clients.get_pykube_api()

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/magnum_cluster_api/clients.py", line 20, in get_pykube_api
    return pykube.HTTPClient(pykube.KubeConfig.from_env())

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/pykube/config.py", line 114, in from_env
    config = cls.from_file()

  File "/var/lib/kolla/venv/lib/python3.10/site-packages/pykube/config.py", line 93, in from_file
    raise exceptions.PyKubeError(

pykube.exceptions.PyKubeError: Configuration file ~/.kube/config not found
: pykube.exceptions.PyKubeError: Configuration file ~/.kube/config not found```

Related to change I6b8780c2b869929a02b624bfb8c6087d5a82c74a "Add magnum-cluster-api driver to Kolla images"

If I remove `magnum-cluster-api` from the python packages and revert the commit then everything works OK.

**Environment**:

Ubuntu 22.04
Kolla/Kolla-Ansible/Openstack version 2023.2

[Paul Heinlein (paulheinlein)]

I'm seeing the same thing. I'm running master-rocky-9 containers that I updated about an hour ago. The issue is marked as "Triaged," but I'm not sure if that means a fix is available to me or not. If so, is there a procedure for implementing the fix?

[Daniel Niasoff (5-daniel-o)]

Hi Paul,

As a workaround for now if you create a file called /etc/kolla/template-overrides.j2

and add the content of the attached file to it, it should, in theory, reverse the commit.

No need to build all containers - you can just run `kolla-build magnum`

I have not tested this process myself.

Danny

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/kolla-ansible 17.1.0 release.

[RJ (rjbugreporting)]

This bug still seems to affect me on Bobcat, using openstack/kolla-ansible 17.3.1 release, and pulling/deploying the latest 2023.2-rocky-9 containers (as of last week).

The override posted by Daniel does solve the problem, after adding the `-y` flag to the pip command.