Update more details-Observability service (post GA or when in progress features are complete)

[PoornimaSingour]

Update more details related to StorageClass in Enabling the Observability service Section.

BUG : https://issues.redhat.com/browse/ACM-21655

• Modified [Prerequisites] section (https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_management_for_kubernetes/2.12/html-single/observability/index#prerequisites-observability)
  Before : You must define a storage class in the MultiClusterObservability custom resource, if there is no default storage class specified.
  After : - You must specify the storageConfig.storageClass field in the MultiClusterObservability custom resource if you do not want to use the platform's default StorageClass.

• Modified 1.3.2.3. Creating the MultiClusterObservability custom resource

Added:

Note: By default if you do not define the storageConfig.storageClass field in the MultiClusterObservability custom resource, platforms default StorageClass will be populated in the storageConfig section of MultiClusterObservability. For example for AWS default storageClass will be gp2. You can verify default storageClass using below command:

$ oc get storageClass
NAME                PROVISIONER       RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
gp2-csi             ebs.csi.aws.com   Delete          WaitForFirstConsumer   true                   151m
gp3-csi (default)   ebs.csi.aws.com   Delete          WaitForFirstConsumer   true                   151m

Also $ was missing in front of all the command so added that as well.

[openshift-ci]

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[PoornimaSingour]

/label peer-review-in-needed

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[PoornimaSingour]

/label peer-review-in-needed

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@PoornimaSingour: The label(s) /label peer-review-in-needed cannot be applied. These labels are supported: acknowledge-critical-fixes-only, platform/aws, platform/azure, platform/baremetal, platform/google, platform/libvirt, platform/openstack, ga, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, px-approved, docs-approved, qe-approved, ux-approved, no-qe, downstream-change-needed, rebase/manual, cluster-config-api-changed, approved, backport-risk-assessed, bugzilla/valid-bug, cherry-pick-approved, jira/valid-bug, stability-fix-approved, staff-eng-approved. Is this label configured under labels -> additional_labels or labels -> restricted_labels in plugin.yaml?

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[swopebe]

@PoornimaSingour thanks for the PR, however, can you point us to the JIRA issue for the doc team that reflects this change?
We cannot start peer review or tech review without tacking the change/understanding the change via a doc issue.

If no issue was opened, you can open one from this procedure:

https://docs.google.com/document/d/1YTqpZRH54Bnn4WJ2nZmjaCoiRtqmrc2w6DdQxe_yLZ8/edit?tab=t.0#heading=h.nmome2yn9lvr

[PoornimaSingour]

HI @swopebe Yes here is the JIRA https://issues.redhat.com/browse/ACM-21655. DO let me know if any details are needed.

[swopebe]

Thanks, we will pick this up as soon as we can. We generally don't add $ to the commands in ACM doc, we never really have (this content was moved from IBM and we stuck to those practices.) I know OCP adds it.