Juan Hernández created OVIRT-1374:
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Summary: Provide a mechanism to obtain an ever increasing build
number
Key: OVIRT-1374
URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1374
Project: oVirt - virtualization made easy
Issue Type: New Feature
Components: Jenkins
Reporter: Juan Hernández
Assignee: infra
Currently when a project needs to generate unique names for artifacts, they
have to use mechanisms like embedding the date and/or the git hash into the
artifact name. For example, when a new build of the Ruby SDK is generated, the
name of the RPM is like this:
rubygem-ovirt-engine-sdk4-4.2.0-1.alpha0.20170505gita6de891.el7.centos.ppc64le.rpm
That information is useful, and usually unique. But can be repeated if the same
jobs is manually triggered the same day, as the date and the git hash will be
the same.
In addition the date may be misleading, because a build performed later but
using an old commit, will look newer than an older build that uses a newer
commit.
A possible solution is to count the number of commits since certain well known
commit. But this isn't reliable if the repository isn't completely cloned, for
example if it is cloned with '--depth 1', as that well known commit may not be
in the cloned repository. That cloning out of the control of the automation
scripts.
So my suggestion/request is to add to the CI/CD environment a mechanism to
provide that sequence to the jobs explicitly. I'd suggest to use the count of
commits since the initial commit of the repository. The CI/CD environment
performs the clone, so it can make sure it has all the relevant commits.
This information could be passed to the build-artifacts.sh script in an
environment variable, or in the command line, or in a file in a known location.
With that each project could (optionally) modify its automation scripts to
include that number. for example, in the Ruby SDK I'd like to generate RPMs
like this:
rubygem-ovirt-engine-sdk4-4.2.0-1.alpha0.<that-number>.rpm
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