use route instead of ingress for oauth endpoint

[KPostOffice]

Issue link

fixes: #436
fixes: #414

What changes have been made

Verification steps

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[Srihari1192]

@KPostOffice While testing this changes got below error at the step cluster.up()

Reason: Not Found
HTTP response headers: HTTPHeaderDict({'Audit-Id': 'b0fbe973-cdb4-4add-b7c1-8205f9fe1d96, b0fbe973-cdb4-4add-b7c1-8205f9fe1d96', 'Cache-Control': 'no-cache, private, no-store', 'Content-Length': '230', 'Content-Type': 'application/json', 'Date': 'Thu, 11 Jan 2024 12:15:00 GMT', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': '2376fd90-99e5-4fd2-ab41-85d6965009e4', 'X-Kubernetes-Pf-Prioritylevel-Uid': 'edf2bb96-ae3c-4161-8ef3-1ba5c36f4d62'})
HTTP response body: b'{"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"routes.route.openshift.io \\"mnist\\" not found","reason":"NotFound","details":{"name":"mnist","group":"route.openshift.io","kind":"routes"},"code":404}\n'


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "mnist_raycluster_sdk.py", line 56, in <module>
    cluster.up()
  File "/codeflare-sdk/codeflare-sdk/src/codeflare_sdk/cluster/cluster.py", line 230, in up
    create_openshift_oauth_objects(
  File "/codeflare-sdk/codeflare-sdk/src/codeflare_sdk/utils/openshift_oauth.py", line 28, in create_openshift_oauth_objects
    _create_or_replace_oauth_route_object(
  File "/codeflare-sdk/codeflare-sdk/src/codeflare_sdk/utils/openshift_oauth.py", line 186, in _create_or_replace_oauth_route_object
    existing_route = v1_routes.get(name=cluster_name, namespace=namespace)
  File "/opt/app-root/lib64/python3.8/site-packages/kubernetes/dynamic/client.py", line 112, in get
    return self.request('get', path, **kwargs)
  File "/opt/app-root/lib64/python3.8/site-packages/kubernetes/dynamic/client.py", line 57, in inner
    raise api_exception(e)
kubernetes.dynamic.exceptions.NotFoundError: 404
Reason: Not Found
HTTP response headers: HTTPHeaderDict({'Audit-Id': 'b0fbe973-cdb4-4add-b7c1-8205f9fe1d96, b0fbe973-cdb4-4add-b7c1-8205f9fe1d96', 'Cache-Control': 'no-cache, private, no-store', 'Content-Length': '230', 'Content-Type': 'application/json', 'Date': 'Thu, 11 Jan 2024 12:15:00 GMT', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': '2376fd90-99e5-4fd2-ab41-85d6965009e4', 'X-Kubernetes-Pf-Prioritylevel-Uid': 'edf2bb96-ae3c-4161-8ef3-1ba5c36f4d62'})
HTTP response body: b'{"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"routes.route.openshift.io \\"mnist\\" not found","reason":"NotFound","details":{"name":"mnist","group":"route.openshift.io","kind":"routes"},"code":404}\n'
Original traceback: ```

[ChristianZaccaria]

As discussed during scrum, perhaps we would want to re-introduce the port_name and host for oauth route objects. Other than that, and Srihari's finding, this is a solid PR. Great job!

[Srihari1192]

Looks good to me

[ChristianZaccaria]

/lgtm great job!

[KPostOffice]

/approve 🤫

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ChristianZaccaria, KPostOffice, Srihari1192

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