Container

In order to setup disconnected registry for installation, follow this blog post by Daniel at Introducing Mirror Registry for Red Hat OpenShift. At the end of the process it will output something like: INFO[2022-08-19 07:10:22] Quay installed successfully, permanent data is stored in /etc/quay-install INFO[2022-08-19 07:10:22] Quay is available at https://${HOSTNAME}:8443 with credentials (init, ${PASSWORDSTRING}) Once the setup is done, remember several steps: Edit /etc/containers/registries.conf to add relevant entries for our registry as required: ...

Why this article? For Federation of OpenShift/Kubernetes clusters we want not only to demo some applications, but build a solution that covers all that will be needed in a real-world deployment. Colleagues in the Solutions Engineering team have been working on demonstrating an application running on different clusters over a Federated Control Plane, allowing it to ‘roam’ between clusters with shared data access as a way to demonstrate how an application can ‘scale’ from on-premise deployment to external clouds in order to satisfy business requirements for peak demands. ...

Citellus: Detecting common pitfalls of deployments https://github.com/citellusorg/citellus Recording at https://www.youtube.com/watch?v=SDzzqrUdn5A What is Citellus? Citellus is a framework populated by community-contributed scripts that automate detecting problems, including configuration issues, conflicts with package versions, and more. History: how did was it started? The tool, started by Robin Černín after a long weekend shift checking one and over again several sosreports for the same data on different hosts. It started with some tests + shell wrapper, and was added a python wrapper by Pablo Iranzo to bring in more powerful features. ...