Wikimedia Release Engineering Team/Skill matrix
See also: Wikimedia Release Engineering Team/Access list
The Release Engineering Team skill matrix is an attempt to identify (and subsequently address) bus-factor problems within the team. It came out of the May 2015 RelEng team offsite before the Wikimedia Hackathon in France where the silo'd nature of the team was identified as a key problem to address.
Below is the latest revision of the skill matrix (historical).
2020-06[edit]
| Ahmon | Antoine | Brennen | Dan | Jeena | Lars | Mukunda | Other maintainers (names) | ||
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| Developer Tools Support |
MWVagrant | 
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| Gerrit maintenance |
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| Phab maintenance |
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Daniel Zahn | ||
| Continuous Integration Infrastructure |
Jenkins maintenance |
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| Zuul maintenance |
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| CI config / JJB |
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James Forrester | ||
| docker-pkg |
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James Forrester | ||
| Docker images |
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James Forrester | ||
| Quibble |
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| Testing Tooling & Maintenance |
Unit test tooling and debugging |
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| Integration test tooling and debugging |
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| Acceptance test tooling and debugging (e.g. Selenium-Node.js) |
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Željko Filipin | ||
| Software Configuration Management (regular maintenance of MW extensions) |
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James Forrester | ||
| Testing Training and Education |
Testing strategy |
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| Unit testing and refactoring |
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| Integration & Acceptance Testing |
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| Design for testability |
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| Test Environments | Beta Cluster |
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| Integration cluster (where/how MW+extensions run in CI) |
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James Forrester | ||
| Deploying software | New MW branches / The Train |
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James Forrester | |
| Backports / SWATs |
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James Forrester | ||
| Developing scap |
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| Production log error reporting |
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| MediaWiki deployment troubleshooting / debugging |
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James Forrester | ||
| Deployment Pipeline | Kubernetes |
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| Blubber |
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| pipelinelib |
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| local-charts |
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| dev-images |
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| MediaWiki Releases | Release mechanics/tooling |
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James Forrester | |
| Doing major releases |
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James Forrester | ||
| Doing point releases |
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James Forrester | ||
| Security releases |
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James Forrester | ||
| Other | PGP & pwstore |
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Copy/paste stars: