Difference between revisions of "GlueX and Containers"

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Revision as of 14:46, 22 March 2022

Categories of Containers

The container world is not monolithic, so we have to define some terms.

Container Types

There are three types: Docker, Singularity, and Shifter

For Singularity there are two sub-types: Sandbox and Singularity Image Format (SIF)

Installed Software Levels

There are three levels: raw, gluex-prereqs, and gluex-software

Group Binding Styles

There are two styles for binding /group/halld: system-binds-group (SBG) and user-binds-group (UBG)

Distribution Systems

There are three methods we use for distributing containers: DockerHub, Web, CVMFS.

Container Use at Various Sites

Site Category (type/level/style) Distribution System
NERSC Shifter/gluex-prereqs/SBG DockerHub
OSG Singularity(Sandbox)/gluex-prereqs/SBG CVMFS
PSG Singularity(Sandbox)/gluex-prereqs/SBG CVMFS
Big Red Singularity(Sandbox)/gluex-prereqs/SBG CVMFS[?]

At this writing there is no standard container-use practice at JLab.