60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
from data import model
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import json
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class BuildJobLoadException(Exception):
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""" Exception raised if a build job could not be instantiated for some reason. """
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pass
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class BuildJob(object):
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""" Represents a single in-progress build job. """
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def __init__(self, job_item):
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self._job_item = job_item
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try:
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self._job_details = json.loads(job_item.body)
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except ValueError:
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raise BuildJobLoadException(
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'Could not parse build queue item config with ID %s' % self._job_details['build_uuid']
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)
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try:
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self._repo_build = model.get_repository_build(self._job_details['namespace'],
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self._job_details['repository'],
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self._job_details['build_uuid'])
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except model.InvalidRepositoryBuildException:
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raise BuildJobLoadException(
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'Could not load repository build with ID %s' % self._job_details['build_uuid'])
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try:
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self._build_config = json.loads(self._repo_build.job_config)
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except ValueError:
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raise BuildJobLoadException(
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'Could not parse repository build job config with ID %s' % self._job_details['build_uuid']
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)
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def determine_cached_tag(self):
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""" Returns the tag to pull to prime the cache or None if none. """
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# TODO(jschorr): Change this to use the more complicated caching rules, once we have caching
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# be a pull of things besides the constructed tags.
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tags = self._build_config.get('docker_tags', ['latest'])
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existing_tags = model.list_repository_tags(self._job_details['namespace'],
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self._job_details['repository'])
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cached_tags = set(tags) & set([tag.name for tag in existing_tags])
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if cached_tags:
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return list(cached_tags)[0]
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return None
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def job_item(self):
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""" Returns the job's queue item. """
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return self._job_item
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def repo_build(self):
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""" Returns the repository build DB row for the job. """
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return self._repo_build
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def build_config(self):
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""" Returns the parsed repository build config for the job. """
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return self._build_config
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