def perform_sync(self, repo, sync_conduit, config):
"""
Perform the sync operation accoring to the config for the given repo, and return a report.
The sync progress will be reported through the sync_conduit.
:param repo: Metadata describing the repository
:type repo: pulp.server.plugins.model.Repository
:param sync_conduit: The sync_conduit that gives us access to the local repository
:type sync_conduit: pulp.server.conduits.repo_sync.RepoSyncConduit
:param config: The configuration for the importer
:type config: pulp.server.plugins.config.PluginCallConfiguration
:return: The sync report
:rtype: pulp.plugins.model.SyncReport
"""
# Build the progress report and set it to the running state
progress_report = SyncProgressReport(sync_conduit)
# Cast our config parameters to the correct types and use them to build an ISOBumper
max_speed = config.get(constants.CONFIG_MAX_SPEED)
if max_speed is not None:
max_speed = float(max_speed)
num_threads = config.get(constants.CONFIG_NUM_THREADS)
if num_threads is not None:
num_threads = int(num_threads)
else:
num_threads = constants.DEFAULT_NUM_THREADS
progress_report.metadata_state = STATE_RUNNING
progress_report.update_progress()
self.bumper = ISOBumper(
repo_url=encode_unicode(config.get(constants.CONFIG_FEED_URL)),
working_path=repo.working_dir,
max_speed=max_speed, num_threads=num_threads,
ssl_client_cert=config.get(constants.CONFIG_SSL_CLIENT_CERT),
ssl_client_key=config.get(constants.CONFIG_SSL_CLIENT_KEY),
ssl_ca_cert=config.get(constants.CONFIG_SSL_CA_CERT),
proxy_url=config.get(constants.CONFIG_PROXY_URL),
proxy_port=config.get(constants.CONFIG_PROXY_PORT),
proxy_user=config.get(constants.CONFIG_PROXY_USER),
proxy_password=config.get(constants.CONFIG_PROXY_PASSWORD))
# Get the manifest and download the ISOs that we are missing
manifest = self.bumper.get_manifest()
progress_report.metadata_state = STATE_COMPLETE
progress_report.modules_state = STATE_RUNNING
progress_report.update_progress()
missing_isos = self._filter_missing_isos(sync_conduit, manifest)
new_isos = self.bumper.download_resources(missing_isos)
# Move the downloaded stuff and junk to the permanent location
self._create_units(sync_conduit, new_isos)
# Report that we are finished
progress_report.modules_state = STATE_COMPLETE
report = progress_report.build_final_report()
return report
class ISOSyncRun(object):
"""
This class maintains state for a single repository sync. We need to keep the state so that we
can cancel a sync that is in progress.
"""
def cancel_sync(self):
"""
This method will cancel a sync that is in progress.
"""
self.bumper.cancel_download()
def perform_sync(self, repo, sync_conduit, config):
"""
Perform the sync operation accoring to the config for the given repo, and return a report.
The sync progress will be reported through the sync_conduit.
:param repo: Metadata describing the repository
:type repo: pulp.server.plugins.model.Repository
:param sync_conduit: The sync_conduit that gives us access to the local repository
:type sync_conduit: pulp.server.conduits.repo_sync.RepoSyncConduit
:param config: The configuration for the importer
:type config: pulp.server.plugins.config.PluginCallConfiguration
:return: The sync report
:rtype: pulp.plugins.model.SyncReport
"""
# Build the progress report and set it to the running state
progress_report = SyncProgressReport(sync_conduit)
# Cast our config parameters to the correct types and use them to build an ISOBumper
max_speed = config.get(constants.CONFIG_MAX_SPEED)
if max_speed is not None:
max_speed = float(max_speed)
num_threads = config.get(constants.CONFIG_NUM_THREADS)
if num_threads is not None:
num_threads = int(num_threads)
else:
num_threads = constants.DEFAULT_NUM_THREADS
progress_report.metadata_state = STATE_RUNNING
progress_report.update_progress()
self.bumper = ISOBumper(
repo_url=encode_unicode(config.get(constants.CONFIG_FEED_URL)),
working_path=repo.working_dir,
max_speed=max_speed, num_threads=num_threads,
ssl_client_cert=config.get(constants.CONFIG_SSL_CLIENT_CERT),
ssl_client_key=config.get(constants.CONFIG_SSL_CLIENT_KEY),
ssl_ca_cert=config.get(constants.CONFIG_SSL_CA_CERT),
proxy_url=config.get(constants.CONFIG_PROXY_URL),
proxy_port=config.get(constants.CONFIG_PROXY_PORT),
proxy_user=config.get(constants.CONFIG_PROXY_USER),
proxy_password=config.get(constants.CONFIG_PROXY_PASSWORD))
# Get the manifest and download the ISOs that we are missing
manifest = self.bumper.get_manifest()
progress_report.metadata_state = STATE_COMPLETE
progress_report.modules_state = STATE_RUNNING
progress_report.update_progress()
missing_isos = self._filter_missing_isos(sync_conduit, manifest)
new_isos = self.bumper.download_resources(missing_isos)
# Move the downloaded stuff and junk to the permanent location
self._create_units(sync_conduit, new_isos)
# Report that we are finished
progress_report.modules_state = STATE_COMPLETE
report = progress_report.build_final_report()
return report
def _filter_missing_isos(self, sync_conduit, manifest):
"""
Use the sync_conduit and the ISOBumper manifest to determine which ISOs are at the feed_url
that are not in our local store. Return a subset of the given manifest that represents the
missing ISOs. The manifest format is described in the docblock for
pulp_rpm.plugins.importers.iso_importer.bumper.ISOBumper.manifest.
:param sync_conduit: The sync_conduit that gives us access to the local repository
:type sync_conduit: pulp.server.conduits.repo_sync.RepoSyncConduit
:param manifest: A list of dictionaries that describe the ISOs that are available at the
feed_url that we are syncing with
:type manifest: list
:return: A list of dictionaries that describe the ISOs that we should retrieve
from the feed_url. These dictionaries are in the same format as they
were in the manifest.
:rtype: list
"""
def _unit_key_str(unit_key_dict):
return '%s-%s-%s'%(unit_key_dict['name'], unit_key_dict['checksum'],
unit_key_dict['size'])
available_units_by_key = dict([(_unit_key_str(u), u) for u in manifest])
module_criteria = UnitAssociationCriteria(type_ids=[ids.TYPE_ID_ISO])
existing_isos = sync_conduit.get_units(criteria=module_criteria)
existing_iso_keys = set([_unit_key_str(m.unit_key) for m in existing_isos])
available_iso_keys = set([_unit_key_str(u) for u in manifest])
missing_iso_keys = list(available_iso_keys - existing_iso_keys)
missing_isos = [available_units_by_key[k] for k in missing_iso_keys]
return missing_isos
def _create_units(self, sync_conduit, new_isos):
"""
For each ISO specified in new_isos, create a new Pulp Unit and move the file from its
temporary storage location to the storage location specified by the Unit. new_isos is a list
of dictionaries that describe the isos that have been downloaded, and is the same format as
the return value from
pulp_rpm.plugins.importers.iso_importer.bumper.ISOBumper.download_resources.
:param sync_conduit: The sync_conduit that gives us access to the local repository
:type sync_conduit: pulp.server.conduits.repo_sync.RepoSyncConduit
:param new_isos: A list of dictionaries describing the newly downloaded ISOs.
:type new_isos: list
"""
for iso in new_isos:
unit_key = {'name': iso['name'], 'size': iso['size'], 'checksum': iso['checksum']}
metadata = {}
relative_path = os.path.join(unit_key['name'], unit_key['checksum'],
str(unit_key['size']), unit_key['name'])
unit = sync_conduit.init_unit(ids.TYPE_ID_ISO, unit_key, metadata, relative_path)
# Move the unit to the storage_path
temporary_file_location = iso['destination']
permanent_file_location = unit.storage_path
shutil.move(temporary_file_location, permanent_file_location)
unit = sync_conduit.save_unit(unit)
