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Bug 2168159

Summary: Creating meta attributes for resource clones should be more intuitive and consistent
Product: Red Hat Enterprise Linux 8 Reporter: Nina Hostakova <nhostako>
Component: pcsAssignee: Tomas Jelinek <tojeline>
Status: CLOSED CANTFIX QA Contact: cluster-qe <cluster-qe>
Severity: low Docs Contact:
Priority: low    
Version: 8.8CC: cluster-maint, cluster-qe, idevat, mlisik, mpospisi, omular, tojeline
Target Milestone: rcKeywords: Triaged
Target Release: ---Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 2168155 Environment:
Last Closed: 2023-03-20 12:43:54 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Nina Hostakova 2023-02-08 10:37:59 UTC
+++ This bug was initially created as a clone of Bug #2168155 +++

Description of problem:
When creating meta attributes for clones, keyword 'meta' is currently not used according to the documentation. However, it is not forbidden and user can obtain different results when creating a cloned resource in one step vs. when creating a resource and then clone it:

# pcs resource create d1 ocf:pacemaker:Dummy clone meta globally-unique=True
# pcs resource create d2 ocf:pacemaker:Dummy
# pcs resource clone d2 meta globally-unique=True
# pcs resource config
...
Clone: d1-clone
  Resource: d1 (class=ocf provider=pacemaker type=Dummy)
    Meta Attributes: d1-meta_attributes
      globally-unique=True
...

Clone: d2-clone
  Meta Attributes: d2-clone-meta_attributes
    globally-unique=True
  Resource: d2 (class=ocf provider=pacemaker type=Dummy)
...


Actual results:
Specifying 'meta' keyword after 'clone' when creating a cloned resource will create a resource primitive meta attribute whereas cloning the original resource with the same parameters will create a clone meta attribute.

Expected results:
The behavior should be consistent. If using keyword 'meta' is not any longer supported for creating clone meta attributes it should be forbidden or an alternative solution should be found to make the usage intuitive.

Comment 1 Tomas Jelinek 2023-03-20 12:43:54 UTC
The problem here is, that `meta` has been always silently ignored in this command. We cannot just drop it all of a sudden. Doing so would break backward compatibility. The best we can do now is deprecate it a drop in the next major release. Since RHEL 9 is already released, we cannot drop it there. Considering that and the current phase of RHEL 8 life cycle, there is little to no point in addressing this in RHEL 8.