Handle actions for different target TM_MADs

[kvaps]

Description

Following this discussion. We've decided that better way to implement cross datastore transfer actions is to add check for action.<TM_MAD> file in the source tm driver directory. Where TM_MAD is destination datastore variable.

Use case

This change will allow to implement actions to transfer volumes between datastores with different TM_MADs. eg. copy images from shared to fs_lvm and from ceph to shared datastores and etc.

Interface Changes

If source datastore have TM_MAD=ssh, destination datastore TM_MAD=fs_lvm and user started clone operation. tm_mad.rb should check is tm/ssh/clone.fs_lvm file exist (it might be symlink), and call it instead standard one. If not exist, then call standard action tm/ssh/clone.

The same goes for all other tm actions and drivers.

Progress Status

• Branch created
• Code committed to development branch
• Testing - QA
• Documentation
• Release notes - resolved issues, compatibility, known issues
• Code committed to upstream release/hotfix branches
• Documentation committed to upstream release/hotfix branches

[xorel]

PRs:
one: #3574
infra: https://github.com/OpenNebula/infra/pull/303
docs: OpenNebula/docs#716

all to master

[xorel]

Yes, should work for every TM action if the action script exists.

…

On Tue, Aug 6, 2019 at 3:35 PM kvaps ***@***.***> wrote: @xorel <https://github.com/xorel> will it also work for cpds mvds actions? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#3244?email_source=notifications&email_token=AAIMEBS4GPN3GCJBMVLACG3QDF43DA5CNFSM4HGT7KSKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD3VE6CI#issuecomment-518672137>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAIMEBVZY3UUHEMAFBYUV4DQDF43DANCNFSM4HGT7KSA> .

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[rsmontero]

Every thing is now merged in master, closing...