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Differential D1100

sync-wikiversion: don't overwrite AbstractSync
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Authored by thcipriani on Aug 22 2018, 5:43 PM.

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mmodell
dduvall
bd808

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Release-Engineering-Team

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rMSCA35e4dc6ea855: sync-wikiversion: don't overwrite AbstractSync

Patch without arc

git checkout -b D1100 && curl -L https://phabricator.wikimedia.org/D1100?download=true | git apply

Summary

sync-wikiversions implements AbstractSync, but overwrites the main
method which clobbers much of the logic of AbstractSync. We ran into a
problem when AbstractSync was extended to include logic to sync masters.
Now AbstractSync supports canaries but sync-wikiversions does not.

Rather than add-in canary support for sync-wikiversions, I've opted to
have sync-wikiversions use AbstractSync's main method. This means that
sync-wikiversions will perform sync-masters, canary and proxy fan-out
steps which will make it slower, but hopefully safer.

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Event Timeline

thcipriani created this revision.Aug 22 2018, 5:43 PM

Restricted Application added a reviewer: Release-Engineering-Team. · View Herald TranscriptAug 22 2018, 5:43 PM

Restricted Application added a project: Release-Engineering-Team. · View Herald Transcript

Harbormaster completed remote builds in B3094: Diff 2876.Aug 22 2018, 5:46 PM

thcipriani requested review of this revision.Aug 22 2018, 5:46 PM

I don't like making sync-wikiversions slower but I suppose safer is important ;)

This revision is now accepted and ready to land.Aug 23 2018, 1:11 AM

Closed by commit rMSCA35e4dc6ea855: sync-wikiversion: don't overwrite AbstractSync (authored by thcipriani). · Explain WhyAug 24 2018, 7:19 PM

This revision was automatically updated to reflect the committed changes.

thcipriani mentioned this in T198640: Perform scap canary checks after sync-wikiversions.Aug 27 2018, 3:05 PM

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scap/

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Diff 2878

scap/main.py

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