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First implementation of ephemeral build lifecycle manager.

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This commit is contained in:
Jake Moshenko 2014-12-16 13:41:30 -05:00
parent 79b61e7709
commit 2d7e844753
10 changed files with 453 additions and 56 deletions
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32
buildman/jobutil/buildjob.py
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@ -9,50 +9,38 @@ class BuildJobLoadException(Exception):
class BuildJob(object):
""" Represents a single in-progress build job. """
def __init__(self, job_item):
self._job_item = job_item
self.job_item = job_item
try:
self._job_details = json.loads(job_item.body)
self.job_details = json.loads(job_item.body)
except ValueError:
raise BuildJobLoadException(
'Could not parse build queue item config with ID %s' % self._job_details['build_uuid']
'Could not parse build queue item config with ID %s' % self.job_details['build_uuid']
)
try:
self._repo_build = model.get_repository_build(self._job_details['build_uuid'])
self.repo_build = model.get_repository_build(self.job_details['build_uuid'])
except model.InvalidRepositoryBuildException:
raise BuildJobLoadException(
'Could not load repository build with ID %s' % self._job_details['build_uuid'])
'Could not load repository build with ID %s' % self.job_details['build_uuid'])
try:
self._build_config = json.loads(self._repo_build.job_config)
self.build_config = json.loads(self.repo_build.job_config)
except ValueError:
raise BuildJobLoadException(
'Could not parse repository build job config with ID %s' % self._job_details['build_uuid']
'Could not parse repository build job config with ID %s' % self.job_details['build_uuid']
)
def determine_cached_tag(self):
""" Returns the tag to pull to prime the cache or None if none. """
# TODO(jschorr): Change this to use the more complicated caching rules, once we have caching
# be a pull of things besides the constructed tags.
tags = self._build_config.get('docker_tags', ['latest'])
existing_tags = model.list_repository_tags(self._repo_build.repository.namespace_user.username,
self._repo_build.repository.name)
tags = self.build_config.get('docker_tags', ['latest'])
existing_tags = model.list_repository_tags(self.repo_build.repository.namespace_user.username,
self.repo_build.repository.name)
cached_tags = set(tags) & set([tag.name for tag in existing_tags])
if cached_tags:
return list(cached_tags)[0]
return None
def job_item(self):
""" Returns the job's queue item. """
return self._job_item
def repo_build(self):
""" Returns the repository build DB row for the job. """
return self._repo_build
def build_config(self):
""" Returns the parsed repository build config for the job. """
return self._build_config