Breaking changes in enumerators in Python 3.11

[theoctober19th]

Since Python3.11, the f-string f"{KubernetesResourceType.SERVICEACCOUNT}" evaluates to the literal "KubernetesResourceType.SERVICEACCOUNT" itself rather than the value of that enumerator (which is the string literal "serviceaccount"). As a result, creation of service account fails with the error.

Steps to reproduce

Use Python 3.11.x to reproduce.

from spark8t.domain import ServiceAccount
from spark8t.services import K8sServiceAccountRegistry, KubeInterface

interface = KubeInterface(kube_config_file="/home/bikalpa/.kube/config")
account = ServiceAccount(name="bikalpa", namespace="default", api_server=interface.api_server)
registry = K8sServiceAccountRegistry(kube_interface=interface)

registry.create(account)

Expected behavior

The service account should get created.

Actual behavior

An exception is raised. The following is the stack trace.

b'Error: must specify one of -f and -k\n\nerror: unknown command "KubernetesResourceType.SERVICEACCOUNT bikalpa"\nSee \'kubectl create -h\' for help and examples\n'
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/bikalpa/canonical/spark-k8s-toolkit-py/spark8t/services.py", line 1157, in create
    self.kube_interface.create(
  File "/home/bikalpa/canonical/spark-k8s-toolkit-py/spark8t/services.py", line 883, in create
    self.exec(
  File "/home/bikalpa/canonical/spark-k8s-toolkit-py/spark8t/services.py", line 730, in exec
    else execute_command_output(base_cmd)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/bikalpa/canonical/spark-k8s-toolkit-py/spark8t/utils.py", line 285, in execute_command_output
    raise e
  File "/home/bikalpa/canonical/spark-k8s-toolkit-py/spark8t/utils.py", line 279, in execute_command_output
    output = subprocess.check_output(
             ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/subprocess.py", line 466, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/subprocess.py", line 571, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command 'kubectl --kubeconfig /home/bikalpa/.kube/config  --namespace default  --context microk8s create KubernetesResourceType.SERVICEACCOUNT bikalpa  -o name ' returned non-zero exit status 1.

Versions

Operating system: Ubuntu 23.04

Additional context

https://blog.pecar.me/python-enum

[github-actions]

https://warthogs.atlassian.net/browse/DPE-3158