Document on how to use Argo CD for managing OpenShift cluster configurations across multiple clusters

[Srivaralakshmi]

Aligned team: Dev Tools

Purpose: To resolve the following issues:
https://issues.redhat.com/browse/RHDEVDOCS-3604

OCP version this PR applies to: 4.8 and later

Link to docs preview:

• Using an Argo CD instance to manage cluster-scoped resources
• Default permissions of an Argocd instance
• Installing OLM Operators using Red Hat OpenShift GitOps

SME review: Completed by @iam-veeramalla
QE review: Completed by @varshab1210
Peer-review: Completed by @deerskindoll

[ocpdocs-previewbot]

🤖 Updated build preview is available at:
https://59008--docspreview.netlify.app

Build log: https://circleci.com/gh/ocpdocs-previewbot/openshift-docs/15755

[Srivaralakshmi]

@iam-veeramalla and @varshab1210: PTAL at the PR and provide feedback. Thanks!

[Srivaralakshmi]

@iam-veeramalla: To which OCP version do we CP this PR content? The GITOPS-370 issue shows the Fix version as 1.5 whose supported OCP version is 4.8-4.11.

• 4.8- 4.11?
• Or 4.10 and later?
• Or 4.8 and later?

[varshab1210]

IMO, its okay to include the statements you have mentioned.

/lgtm

[iam-veeramalla]

/lgtm

[deerskindoll]

lgtm

[openshift-ci]

New changes are detected. LGTM label has been removed.

[rolfedh]

/cherrypick enterprise-4.8

[rolfedh]

/cherrypick enterprise-4.9

[rolfedh]

/cherrypick enterprise-4.10

[rolfedh]

/cherrypick enterprise-4.11

[rolfedh]

/cherrypick enterprise-4.12

[rolfedh]

/cherrypick enterprise-4.13

[openshift-cherrypick-robot]

@rolfedh: #59008 failed to apply on top of branch "enterprise-4.8":

Applying: Document on how to use Argo CD for managing OpenShift cluster configurations across multiple clusters
.git/rebase-apply/patch:191: trailing whitespace.
. In the **Administrator** perspective of the web console, navigate to **Operators** → **Installed Operators** → **{gitops-title}** → **Subscription**. 
.git/rebase-apply/patch:85: new blank line at EOF.
+
.git/rebase-apply/patch:171: new blank line at EOF.
+
warning: 3 lines add whitespace errors.
Using index info to reconstruct a base tree...
M	cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.adoc
Falling back to patching base and 3-way merge...
Auto-merging cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.adoc
CONFLICT (content): Merge conflict in cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.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 Document on how to use Argo CD for managing OpenShift cluster configurations across multiple clusters
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-4.8

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]

@rolfedh: #59008 failed to apply on top of branch "enterprise-4.9":

Applying: Document on how to use Argo CD for managing OpenShift cluster configurations across multiple clusters
.git/rebase-apply/patch:191: trailing whitespace.
. In the **Administrator** perspective of the web console, navigate to **Operators** → **Installed Operators** → **{gitops-title}** → **Subscription**. 
.git/rebase-apply/patch:85: new blank line at EOF.
+
.git/rebase-apply/patch:171: new blank line at EOF.
+
warning: 3 lines add whitespace errors.
Using index info to reconstruct a base tree...
M	cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.adoc
Falling back to patching base and 3-way merge...
Auto-merging cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.adoc
CONFLICT (content): Merge conflict in cicd/gitops/configuring-an-openshift-cluster-by-deploying-an-application-with-cluster-configurations.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 Document on how to use Argo CD for managing OpenShift cluster configurations across multiple clusters
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-4.9

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]

@rolfedh: new pull request created: #59655

In response to this:

/cherrypick enterprise-4.10

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]

@rolfedh: new pull request created: #59657

In response to this:

/cherrypick enterprise-4.11

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]

@rolfedh: new pull request could not be created: failed to create pull request against openshift/openshift-docs#enterprise-4.12 from head openshift-cherrypick-robot:cherry-pick-59008-to-enterprise-4.12: the GitHub API request returns a 403 error: {"message":"You have exceeded a secondary rate limit and have been temporarily blocked from content creation. Please retry your request again later.","documentation_url":"https://docs.github.com/rest/overview/resources-in-the-rest-api#secondary-rate-limits"}

In response to this:

/cherrypick enterprise-4.12

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]

@rolfedh: new pull request could not be created: failed to create pull request against openshift/openshift-docs#enterprise-4.13 from head openshift-cherrypick-robot:cherry-pick-59008-to-enterprise-4.13: the GitHub API request returns a 403 error: {"message":"You have exceeded a secondary rate limit and have been temporarily blocked from content creation. Please retry your request again later.","documentation_url":"https://docs.github.com/rest/overview/resources-in-the-rest-api#secondary-rate-limits"}

In response to this:

/cherrypick enterprise-4.13

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.

[rolfedh]

/cherrypick enterprise-4.12

[openshift-cherrypick-robot]

@rolfedh: new pull request created: #59658

In response to this:

/cherrypick enterprise-4.12

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.

[rolfedh]

/cherrypick enterprise-4.13

[openshift-cherrypick-robot]

@rolfedh: new pull request created: #59659

In response to this:

/cherrypick enterprise-4.13

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.