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2.2. Containers
This section outlines the introduction of containerization in Red Hat OpenStack Platform.
- Containerized Overcloud
- The Red Hat OpenStack Platform director now creates an overcloud consisting of containerized services. Users can implement the following sources for their container images:
- Remote from
registry.access.redhat.com - Locally from the undercloud (images initially pulled from
registry.access.redhat.com) - Red Hat Satellite 6 (images synchronized from
registry.access.redhat.com)
The overcloud continues to support composable service infrastructure using containers to augment existing services. Note that the only services not containerized by default are:- OpenStack Networking (neutron)
- OpenStack Block Storage (cinder)
- OpenStack Shared File Systems (Manila)
Red Hat provides the containers for these services as a technical preview only. - Containerized Upgrades
- The Red Hat OpenStack Platform director provides an upgrade path from a non-containerized Red Hat OpenStack Platform 11 overcloud to containerized Red Hat OpenStack Platform 12 overcloud.
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