In this contribution we describe the 2022 reboot of the ScienceBox project, the containerised SWAN/CERNBox/EOS demonstrator package for CERN storage and analysis services. We evolved the original implementation to make use of Helm charts across the entire dependency stack. Charts have become the de-facto standard for application distribution and deployment in managed clusters (e.g., Kubernetes, OpenShift), providing developers and operators with a rich ecosystem of tools to benefit from, as well as the handles to configure applications and rollout changes in a programmatic way.
At the same time, we incorporated in ScienceBox the major architectural update to CERNBox, replacing the previous PHP backend with distributed microservices based on Reva. Besides enhancing our existing use cases, the new CERNBox implementation enables and streamlines interoperability with additional applications and sites deployed under the same technology.
We present this update as a self-contained and easy-to-use package with minimal dependencies and with the same goals as the original ScienceBox: Provide a sandbox to evaluate the storage, sharing, and analysis services we run at CERN on external premises to non-CERN users. We believe there is not only a great value in releasing and contributing back to the open source projects that sustain these services, but also in describing the configuration and artifacts that make operating such complex software systems at scale possible.
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