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Sprint Demo
SingleVM + 3.6July 18, 2017
Glenn West
Overview
New Single VM Template
OCP 3.6 Support Added
Split of 3.5 and 3.6 Templates
New 3.6 Reference Architecture
RHEL 7.4 Support
SingleVM
Cut Down Ansible Demployment Template
Allinone.json/Allinone.sh
Loses HA Functionality of full template
Fast Depoyment
Everything else works
Openshift 3.6
Added support in Reference Architecture
for OCP 3.6
Changes in Ansible Version
Sanity Checks - /root size
VM Minimal Sizes
Huge addition of OCP Features
Expanding /root size
Azure does not autoexpand /root values in its agent
Developed and documented a way of doing so:
https://www.linkedin.com/pulse/online-resize-root-partition-rhel-7-glenn-west
Split of 3.5 and 3.6 Templates
During the sprint, we had a discussion,
and decided to fork 3.5 and 3.6 Templates
Allows for users to select version
Allow for users to add nodes to installs
Split of Templates
Overview
All the deployment methods
can now be used on both 3.5
and 3.6
Both Single VM and HA
Deployments are Supported
Click Deploy
https://github.com/openshift/openshift-ansible-contrib/tree/master/reference-architecture/azure-ansible
New 3.6 Reference Architecture
https://access.redhat.com/documentation/en-us/reference_architectures/2017/html-single/deploying_red_hat_openshift_container_platform_3.6_on_microsoft_azure/
RHEL 7.4 Support
Tested 4 flavors of Ref Arch with 7.4
Noticed a incompatible change on Azure SKU for
RHEL
All templates passed test
Leasons Learned
Using the Single VM template sped up the move to
3.6 significantly
Workflow has now changed to develop new features
to single VM and then port to multiple VM
DevOps worked really well this sprint, allowing us to
pivot mid sprint, and address the version issues and
the rapid change of OCP in a better way.
Articles Published
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