64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
import logging
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import os
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from concurrent import futures
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import git
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from fuel_ccp import config
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CONF = config.CONF
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LOG = logging.getLogger(__name__)
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FETCH_TIMEOUT = 2 ** 16 # in seconds
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def fetch_repository(repository_def):
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name = repository_def['name']
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dest_dir = os.path.join(CONF.repositories.path, name)
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if os.path.isdir(dest_dir):
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LOG.debug('%s: Repository is already cloned, skipping', name)
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return
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git_url = repository_def['git_url']
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git_ref = repository_def.get('git_ref')
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LOG.debug('%s: Cloning repository %s to %s', name, git_url, dest_dir)
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repo = git.Repo.clone_from(git_url, dest_dir)
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if git_ref:
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LOG.debug('%s: Changing reference to "%s"', name, git_ref)
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repo.git.checkout(git_ref)
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LOG.info('%s: Repository has been cloned', name)
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def fetch_repositories(repository_defs=None):
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if repository_defs is None:
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repository_defs = CONF.repositories.repos
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LOG.info('Cloning repositories into %s', CONF.repositories.path)
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errors = 0
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with futures.ThreadPoolExecutor(
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max_workers=CONF.repositories.clone_concurrency) as executor:
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future_list = []
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try:
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for repository_def in repository_defs:
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future_list.append(executor.submit(
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fetch_repository, repository_def
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))
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for future in future_list:
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try:
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# we need to use timeout because in this case python
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# thread wakes up time to time to check timeout and don't
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# block signal processing
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future.result(timeout=FETCH_TIMEOUT)
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except Exception as ex:
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LOG.error("Failed to fetch: %s" % ex)
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errors += 1
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except SystemExit:
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for future in future_list:
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future.cancel()
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raise
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if errors:
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raise Exception("Failed to fetch %d repos" % errors)
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