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DLRN API Promoter

This script takes a config file and tries to promote an existing DLRN link to a new one in case all the defined jobs posted a successful result for the current link.

For more information about the DLRN API, see dlrnapi_client.


Set the following variables in the [main] section:

  • api_url -- The full URL for the DLRN API
  • username -- The username to access the DLRN API. The password is taken from the DLRNAPI_PASSWORD environment variable to avoid exposing it in the logs.
  • dry_run -- When true, skip promotion even if all the promotion requirements are satisfied.
  • log_file -- The path for a file where the script logs its activities.

[promote_from] section:

List of the intended promotion names (on the left) and the link to promote from (on the right). This allows to build out multiple chains of promotions easily.

Create pairs as promotion_link_name: current_link_name. The script will try to check the successfully finished jobs of current_link_name and if all the listed jobs from the [promotion_link_name] section (see below) are present, it will promote the repository as promotion_link_name.

Tip: It is easy to disable a specific promotion step by commenting out a line here, the promotion requirements can stay in the file.


phase1-link: newest-but-unstable-link
phase2-link: phase1-link
alternative-phase2-link: phase-1-link
phase3-link: phase2-link

[promotion_link_name] section:

A list of job IDs that need to successfully complete before the link can be promoted as promotion_link_name. The source is defined in the [promote_from] section.





Create a virtualenv to run the script and install the requirements before the first run:

virtualenv /tmp/dlrnapi_promoter
source /tmp/dlrnapi_promoter/bin/activate
pip install -r requirements.txt


It's recommended to run the script with various release configurations periodically from crontab, specifying the config file as the first argument of the script:

python config/master.ini