Barak Korren created OVIRT-873:
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Summary: Implement Standard-CI with containers
Key: OVIRT-873
URL: https://ovirt-jira.atlassian.net/browse/OVIRT-873
Project: oVirt - virtualization made easy
Issue Type: Task
Components: General
Reporter: Barak Korren
Assignee: infra
oVirt's Standard-CI is currently implemented using mock, and this has worked
well for us so far.
Changing the implementation to use containers will provide several benefits:
* Faster start-up times - Most container provides have some form of image
layering and caching that will be faster as bringing up a basic OS image then
installing it with yum like mock does.
* Broader OS support - mock can only run on the Red Hat family of operating
systems, and can only emulate those operating systems. Most container providers
can both run on and emulate a broader range of operating systems.
* Better isolation and cleanup - Mock only isolates the file system, containers
can isolate the file system as well as the networking layer and the process
space.
Depending on the container provider, we may gain additional benefits:
* Some container providers like Kubernetes, can manage distributed compute
resources across many nodes. This means can can stop managing Jenkins slaves
and instead just have the Jenkins master start up containers on the provider.
* Some providers like OpenShift have built-in CI processes for creating and
testing container images.
*Note:* At some point, David started an effort going this way:
https://gerrit.ovirt.org/#/c/54376/
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