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This allows defining a "job-defaults" key in a yaml file specified by "jobs-from". Defaults defined here will first be merged into kind specified defaults (if any), and then tasks defined in the same file will be merged into the combined defaults. MozReview-Commit-ID: Jy5m4Pc9umx --HG-- extra : rebase_source : 5ba11b989a9406d98efe0bffb7aee5b9869fb6c6
59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import logging
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from ..util.templates import merge
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from ..util.yaml import load_yaml
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logger = logging.getLogger(__name__)
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def loader(kind, path, config, params, loaded_tasks):
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"""
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Get the input elements that will be transformed into tasks in a generic
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way. The elements themselves are free-form, and become the input to the
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first transform.
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By default, this reads jobs from the `jobs` key, or from yaml files
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named by `jobs-from`. The entities are read from mappings, and the
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keys to those mappings are added in the `name` key of each entity.
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If there is a `job-defaults` config, then every job is merged with it.
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This provides a simple way to set default values for all jobs of a kind.
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The `job-defaults` key can also be specified in a yaml file pointed to by
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`jobs-from`. In this case it will only apply to tasks defined in the same
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file.
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Other kind implementations can use a different loader function to
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produce inputs and hand them to `transform_inputs`.
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"""
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def jobs():
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defaults = config.get('job-defaults')
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for name, job in config.get('jobs', {}).iteritems():
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if defaults:
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job = merge(defaults, job)
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job['job-from'] = 'kind.yml'
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yield name, job
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for filename in config.get('jobs-from', []):
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tasks = load_yaml(path, filename)
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file_defaults = tasks.pop('job-defaults', None)
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if defaults:
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file_defaults = merge(defaults, file_defaults or {})
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for name, job in tasks.iteritems():
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if file_defaults:
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job = merge(file_defaults, job)
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job['job-from'] = filename
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yield name, job
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for name, job in jobs():
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job['name'] = name
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logger.debug("Generating tasks for {} {}".format(kind, name))
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yield job
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