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Ran 15 Aug 2017 12:46PM UTC

Files 65

Run time 3s

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Committed 15 Aug 2017 12:40PM UTC coverage: 93.265% (+2.9%) from 90.403%

Job # 4004.1

Build Type

push

travis-ci

Committed by

vrutkovs

Commit Message

Tag base images with the OpenShift build name

This avoids a race condition in which two builds are contending
over the as-pulled image tag:

1. build A starts
2. build B starts
3. build A is nearly finished and is about to remove the parent image
4. build B tags the parent image
5. build A removes the parent image
6. build B tries to e.g. inspect the parent image, or build the Dockerfile

To avoid this race, each build adds an additional tag to the parent
image it pulls, using the value of the OpenShift build name. This
keeps the image around until the build is done with it at the end.

The race condition is then between pulling the image and tagging
it with this unique ID. This is addressed by retrying the pull
if tagging fails.

Signed-off-by: Tim Waugh <twaugh@redhat.com>

Coverage Stats

5207 of 5583 relevant lines covered (93.27%)

0.93 hits per line

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