Hydra Jobs

Derivation Attributes

Hydra stores the following job attributes in its database:

• nixName - the Derivation’s name attribute
• system - the Derivation’s system attribute
• drvPath - the Derivation’s path in the Nix store
• outputs - A JSON dictionary of output names and their store path.

Meta fields

• description - meta.description, a string
• license - a comma separated list of license names from meta.license, expected to be a list of attribute sets with an attribute named shortName, ex: [ { shortName = "licensename"} ].
• homepage - meta.homepage, a string
• maintainers - a comma separated list of maintainer email addresses from meta.maintainers, expected to be a list of attribute sets with an attribute named email, ex: [ { email = "alice@example.com"; } ].
• schedulingPriority - meta.schedulingPriority, an integer. Default: 100. Slightly prioritizes this job over other jobs within this jobset.
• timeout - meta.timeout, an integer. Default: 36000. Number of seconds this job must complete within.
• maxSilent - meta.maxSilent, an integer. Default: 7200. Number of seconds of no output on stderr / stdout before considering the job failed.
• isChannel - meta.isHydraChannel, bool. Default: false. Deprecated.