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(cherry picked from kolla commit abc4f7c124265f9e7b72d448b2ef18d6d4e84888) Change-Id: I7e51a76287cd0f5a22d11dc3af9284b556d06eca
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============
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Code Reviews
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============
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All Kolla code must be reviewed and approved before it can be merged. Anyone
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with a Gerrit account is able to provide a review. Two labels are available to
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everyone:
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* +1: Approve
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* -1: Changes requested
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It is also possible to leave comments without a label. In general, a review
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with comments is more valuable. Comments are especially important for a
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negative review. Prefer quality of reviews over quantity.
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You can watch specific patches in Gerrit via *Settings -> Watched Projects*.
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The volume of emails is not too large if you subscribe to *New Changes* only.
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If you do not have much time available for reviewing, consider reviewing
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patches in an area that is important to you or that you understand well.
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Core reviewers
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==============
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Core reviewers have additional labels available to them.
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* +2: Approve
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* -2: Do not merge
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* Workflow +1: Approve and ready for merge
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Zuul requires one +2 and one workflow +1, as well as a passing check, in order
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for a patch to proceed to the gate. The Kolla team generally requires two +2s
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before a workflow +1 may be added. We also have some non-voting Zuul jobs which
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will not block a check, but should be investigated if they are failing.
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Core reviewers may still use +1 to indicate approval if they are not confident
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enough about a particular patch to use +2.
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The Kolla core reviewers have the same rights of access to stable branches, so
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always check the branch for a review, and use extra care with stable branches.
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Becoming a core reviewer
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------------------------
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There are no strict rules for becoming a core reviewer. Join the community,
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review some patches, and demonstrate responsibility, understanding & care. If
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you are interested in joining the core team, ask the PTL or another core
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reviewer how to get there.
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