Content translation/Deployments/How-to

This document describes deployment procedure for ContentTranslation, cxserver and Apertium.

ContentTranslation
Content Translation is updated via regular MediaWiki train. In case of manual update needed, follow the steps below.


 * 1) Update desired branches to desired commit/update using delete and create branches at Gerrit interface, https://gerrit.wikimedia.org/r/#/admin/projects/mediawiki/extensions/ContentTranslation,branches In case of emergency, note down old hash.
 * 2) Read and follow: https://wikitech.wikimedia.org/wiki/How_to_deploy_code#Updating_the_submodule Make sure you've clean copy of MediaWiki/core for this.
 * 3) You're ready for actual deployment.

Testing
Note image tag version from Gerrit patchset to be deploy. For eg: https://gerrit.wikimedia.org/r/#/c/mediawiki/services/cxserver/+/502964/ has  tag.

Run it:

Where, config.dev.yaml is local cxserver config file.

Endpoints can be tested at: http://localhost:4000/v2 etc

Deployment
Edit:  files with new version or configuration you want to change. In most cases we only need to update TAG.

Upgrade
Check status for all of three with status command.

Log to SAL
This is automatically done with each deployment, but since we can't really know which tag was deployed, it is better to log manually after deployment at #wikimedia-operations

Example:

Status
Example:

Also watch: https://grafana.wikimedia.org/d/F7rttgqmz/cxserver after deployment.

Rollback
To rollback to particular revision:

Apertium
Apertium deployment is done via updating apertium packages through Gerrit change and puppet.

Troubleshooting

 * 1) Check if package list are up-to-date in Puppet.
 * 2) Make sure to ask to restart 'apertium-apy' on scb1001 and scb1002 to any Ops member after adding new languages support for Apertium MT.
 * 3) Check logs at: