Deprecate helmv2

Proposers

• Luis Vega (Whitestack)
• Gabriel Cuba (Whitestack)

Description

Helm v2 is deprecated since 2020. We propose to remove it from LCM, N2VC and NG-UI, for both KNFs and Execution Environments.

Demo or definition of done

• No code referring to Helm v2 should be in the modules.
• All the tests should pass. If any test is impacted by this feature, it will be properly updated to pass.

Design Pad

https://osm.etsi.org/pad/p/feature11002

added LCM N2VC NGUI labels

assigned to @vegall

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As part of the documenation, it is suggested to mention that helmv2 is deprecated. The following link can be provided if anyone wants to migrate a package with a helmv2 KDU: https://helm.sh/docs/topics/v2_v3_migration/.

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Checklist for feature owners:

• Add the link to the design (Etherpad)
• Add the links to the Gerrit changes (commits) related to the feature and update the list when needed.
• Contribute documentation in osm-user-guide and add link to the merge request.
• Contribute release notes for the feature and add link to the merge request.
• Relate IM changes to SOL006 v2.6.1
• Relate NBI changes to SOL005 v3.3.1
• Add E2E Robot Test. If no Robot Test is required, it should be explicitly explained.

Design Pad: https://osm.etsi.org/pad/p/feature11002

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Changes:

• N2VC: https://osm.etsi.org/gerrit/c/osm/N2VC/+/13965 (the pipeline should pass after merging the LCM one)
• LCM: https://osm.etsi.org/gerrit/c/osm/LCM/+/13948
• IM: https://osm.etsi.org/gerrit/c/osm/IM/+/13960

There are changes in IM. KDU modelling in the IM has changed to remove version v2 from helm-based KDU. The model in SOL006 v2.6.1 doesn't include any KDU modelling. All the augments in OSM are unique, not finding a similar element in SOL006 v2.6.1.

Checklist:

• Please contribute documentation in osm-user-guide and paste here the link to the merge request: https://osm.etsi.org/gitlab/osm-doc/osm-user-guide
• Please contribute release notes in osm-release-notes, under rel15/srcand paste here the link to the merge request: https://osm.etsi.org/gitlab/osm-doc/osm-release-notes

No changes in NBI spec (SOL005).

No need of new Robot tests. All the existing tests should pass. No test is impacted by this feature.

• Release Notes: https://osm.etsi.org/gitlab/osm-doc/osm-release-notes/-/merge_requests/23