Hi folks,
In the OpenFlow Plugin meeting yesterday we talked about the migration to
the Lithium design for all the projects consuming OpenFlow Plugin and we
decided the following migration path makes the most sense:
1. The SR1 is due March 17 (cutoff March 13) & we have some issues
(mentioned later in the email) we should fix before migration. Hence these
should be fixed in SR1. These issues will be marked as blockers for easier
tracking.
2. *ACTION for dependent projects: *The dependent projects should start
work on migration *immediately (now)* and finish by SR2 (April 28 -
cutoff April 24). This will also give OF Plugin a chance to fix new issues
identified by the dependent projects.
3. The plugin migration will first be started in the master and then
cherry picked to Beryllium.
Other important planning points to note
1. To help find issues faster (for projects & for OpenFlow plugin) -
Anil will have an unmerged patch for master (& perhaps stable/beryllium)
which will flip the default plugin design to the Lithium design.
Using the patch the projects can locally build openflowplugin master
branch, that way we don't have to merge it in master. We will not merge the
patch right away - as merging the patch can block the projects' ongoing
development work, if things started breaking from openflowplugin side.
- When fixing issues for the Lithium design with this unmerged patch -
care must be taken not to break the Helium design otherwise the master
branch may be broken.
2. Luis will create a distribution based on Anil's patch and then we
can run the integration tests on it.
3. According to Hideyuki - VTN has already unmerged patch (
https://git.opendaylight.org/gerrit/#/c/35118/) for the migration.
However they have run into a performance issue when using the RPCs.
4. The VTN patch will be useful for Luis' distribution with the default
as Lithium.
Issues that need to be fixed:
1) OF1.0 issue:
https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-flow-services-lithium-redesign-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5328
2) Cluster issues:
https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-3node-clustering-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5388
3) Stability issues:
https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-periodic-longevity-lithium-redesign-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5271
https://bugs.opendaylight.org/show_bug.cgi?id=4925
We will have a session in the DDF (
https://wiki.opendaylight.org/view/Events:Boron_Dev_Forum#OpenFlow_Plugin_.26_OpenFlow_Plugin_Dependent_Projects_Planning)
regarding this where we can discuss more (in addition to any email).
Thanks,
Abhijit
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