OSDOCS-9614: Created documentation to create a ROSA with HCP cluster that uses external auth for OIDC

[EricPonvelle]

Version(s):
enterprise-4.15+

Issue:
OSDOCS-9614

Link to docs preview:

• Creating a ROSA with HCP cluster with external authentication
• Additions to ROSA CLI:
  • rosa create external-auth-provider
  • rosa list external-auth-provider
  • rosa delete external-auth-provider

QE review:

• QE has approved this change.

Additional information:
This PR adds new documentation for external auth

[openshift-ci-robot]

@EricPonvelle: This pull request references OSDOCS-9614 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.16.0" version, but no target version was set.

In response to this:

Version(s):
enterprise-4.15+

Issue:
OSDOCS-9614

Link to docs preview:

• Creating a ROSA with HCP cluster with external authentication

QE review:

• QE has approved this change.

Additional information:
This PR adds new documentation for external auth

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[ocpdocs-previewbot]

🤖 Wed May 08 15:00:18 - Prow CI generated the docs preview:
https://73839--ocpdocs-pr.netlify.app
Complete list of updated preview URLs: artifacts/updated_preview_urls.txt

[jeana-redhat]

Really nice work! Found some things to address consistency and style compliance wise, but overall this is solid.

/remove-label merge-review-in-progress
/remove-label merge-review-needed

[jneczypor]

Just one note. It looks good!

[jeana-redhat]

Just a couple little things left here, ping me when you've got them and I'll merge/CP

[openshift-ci]

@EricPonvelle: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[jeana-redhat]

/cherrypick enterprise-4.16

[jeana-redhat]

/cherrypick enterprise-4.15

[openshift-cherrypick-robot]

@jeana-redhat: #73839 failed to apply on top of branch "enterprise-4.16":

Applying: OSDOCS-9614: Created documentation to create a ROSA with HCP cluster that uses external auth for OIDC
.git/rebase-apply/patch:87: trailing whitespace.
|--claim-mapping-groups-claim <string>     
.git/rebase-apply/patch:102: trailing whitespace.
|--console-client-secret <string>          
.git/rebase-apply/patch:228: trailing whitespace.
$ rosa create cluster --cluster-name=<cluster_name> --mode=auto \ 
.git/rebase-apply/patch:250: trailing whitespace.
 
.git/rebase-apply/patch:264: trailing whitespace.
$ rosa create cluster --hosted-cp --subnet-ids=$SUBNET_IDS \ 
warning: squelched 14 whitespace errors
warning: 19 lines add whitespace errors.
Using index info to reconstruct a base tree...
M	_attributes/attributes-openshift-dedicated.adoc
M	_topic_maps/_topic_map_rosa.yml
Falling back to patching base and 3-way merge...
Auto-merging _topic_maps/_topic_map_rosa.yml
Auto-merging _attributes/attributes-openshift-dedicated.adoc
CONFLICT (content): Merge conflict in _attributes/attributes-openshift-dedicated.adoc
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 OSDOCS-9614: Created documentation to create a ROSA with HCP cluster that uses external auth for OIDC
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick enterprise-4.16

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[openshift-cherrypick-robot]

@jeana-redhat: #73839 failed to apply on top of branch "enterprise-4.15":

Applying: OSDOCS-9614: Created documentation to create a ROSA with HCP cluster that uses external auth for OIDC
.git/rebase-apply/patch:87: trailing whitespace.
|--claim-mapping-groups-claim <string>     
.git/rebase-apply/patch:102: trailing whitespace.
|--console-client-secret <string>          
.git/rebase-apply/patch:228: trailing whitespace.
$ rosa create cluster --cluster-name=<cluster_name> --mode=auto \ 
.git/rebase-apply/patch:250: trailing whitespace.
 
.git/rebase-apply/patch:264: trailing whitespace.
$ rosa create cluster --hosted-cp --subnet-ids=$SUBNET_IDS \ 
warning: squelched 14 whitespace errors
warning: 19 lines add whitespace errors.
Using index info to reconstruct a base tree...
M	_attributes/attributes-openshift-dedicated.adoc
M	_topic_maps/_topic_map_rosa.yml
Falling back to patching base and 3-way merge...
Auto-merging _topic_maps/_topic_map_rosa.yml
Auto-merging _attributes/attributes-openshift-dedicated.adoc
CONFLICT (content): Merge conflict in _attributes/attributes-openshift-dedicated.adoc
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 OSDOCS-9614: Created documentation to create a ROSA with HCP cluster that uses external auth for OIDC
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick enterprise-4.15

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.