def resolve_dependencies(self, repo, units, dependency_conduit, config):
_LOG.info("Resolve Dependencies Invoked")
result_dict = {}
pkglist = []
for unit in units:
if unit.type_id == 'rpm':
pkglist.append("%s-%s-%s.%s" % (unit.unit_key['name'], unit.unit_key['version'], unit.unit_key['release'], unit.unit_key['arch']))
dsolve = depsolver.DepSolver([repo], pkgs=pkglist)
if config.get('recursive'):
results = dsolve.getRecursiveDepList()
else:
results = dsolve.getDependencylist()
solved, unsolved = dsolve.processResults(results)
dep_pkgs_map = {}
_LOG.info(" results from depsolver %s" % results)
criteria = UnitAssociationCriteria(type_ids=[TYPE_ID_RPM])
existing_units = get_existing_units(dependency_conduit, criteria)
for dep, pkgs in solved.items():
dep_pkgs_map[dep] = []
for pkg in pkgs:
if not existing_units.has_key(pkg):
continue
epkg = existing_units[pkg]
dep_pkgs_map[dep].append(epkg.unit_key)
_LOG.debug("deps packages suggested %s" % solved)
result_dict['resolved'] = dep_pkgs_map
result_dict['unresolved'] = unsolved
result_dict['printable_dependency_result'] = dsolve.printable_result(results)
dsolve.cleanup()
_LOG.info("result dict %s" % result_dict)
return result_dict
def find_missing_dependencies(self, repo, units, conduit, config):
"""
Find dependencies within the specified repository that are not
included in the specified I{units} list. This method is intended to
be used by import_units() to ensure that all dependencies of imported
units are satisfied.
@param repo: A plugin repo model object.
@type repo: L{pulp.plugins.model.Repository}
@param units: A list of content units.
Unit is: L{pulp.plugins.model.Unit}
@type units: list
@param conduit: An import conduit.
@type conduit: L{pulp.plugins.conduits.unit_import.ImportConduit}
@param config: plugin configuration
@type config: L{pulp.server.plugins.config.PluginCallConfiguration}
@return: The list of missing dependencies (units).
Unit is: L{pulp.plugins.model.Unit}
@rtype: list
"""
missing_deps = []
deps = self.resolve_dependencies(repo, units, conduit, config)
resolved = itertools.chain(*deps['resolved'].values())
if resolved:
keylist = self.keylist(resolved)
criteria = UnitAssociationCriteria(type_ids=[TYPE_ID_RPM])
inventory = get_existing_units(conduit, criteria)
for key in keylist:
unit = inventory.get(key)
if unit is None:
continue
missing_deps.append(unit)
return missing_deps
def resolve_dependencies(self, repo, units, dependency_conduit, config):
result_dict = {}
pkglist = self.pkglist(units)
# generate metadata for the source repo
metadata_status, metadata_errors = self._generate_metadata(repo, dependency_conduit, config)
if not metadata_status:
# unable to generate metadata, lets fail right here as dependency resolver wont handle this
# gracefully.
msg = "Failed to generate metadata for repo %s; Error %s" % (repo.id, metadata_errors)
_LOG.error(msg)
raise metadata.GenerateYumMetadataException(msg)
dsolve = depsolver.DepSolver([repo], pkgs=pkglist)
if config.get('recursive'):
results = dsolve.getRecursiveDepList()
else:
results = dsolve.getDependencylist()
solved, unsolved = dsolve.processResults(results)
dep_pkgs_map = {}
_LOG.debug(" results from depsolver %s" % results)
criteria = UnitAssociationCriteria(type_ids=[TYPE_ID_RPM])
existing_units = get_existing_units(dependency_conduit, criteria)
for dep, pkgs in solved.items():
dep_pkgs_map[dep] = []
for pkg in pkgs:
if not existing_units.has_key(pkg):
continue
epkg = existing_units[pkg]
dep_pkgs_map[dep].append(epkg.unit_key)
_LOG.debug("deps packages suggested %s" % solved)
result_dict['resolved'] = dep_pkgs_map
result_dict['unresolved'] = unsolved
result_dict['printable_dependency_result'] = dsolve.printable_result(results)
dsolve.cleanup()
return result_dict
def test_get_existing_units(self):
unit_key = {}
for k in UNIT_KEY_RPM:
unit_key[k] = "test_value"
existing_units = [Unit(TYPE_ID_RPM, unit_key, "test_metadata", os.path.join(self.pkg_dir, "test_rel_path"))]
sync_conduit = importer_mocks.get_sync_conduit(existing_units=existing_units, pkg_dir=self.pkg_dir)
actual_existing_units = importer_rpm.get_existing_units(sync_conduit)
self.assertEquals(len(actual_existing_units), 1)
self.assertEquals(len(existing_units), len(actual_existing_units))
lookup_key = importer_rpm.form_lookup_key(unit_key)
self.assertEqual(existing_units[0], actual_existing_units[lookup_key])
def import_units(self, source_repo, dest_repo, import_conduit, config, units=None):
"""
@param source_repo: metadata describing the repository containing the
units to import
@type source_repo: L{pulp.plugins.data.Repository}
@param dest_repo: metadata describing the repository to import units
into
@type dest_repo: L{pulp.plugins.data.Repository}
@param import_conduit: provides access to relevant Pulp functionality
@type import_conduit: L{pulp.plugins.conduits.unit_import.ImportUnitConduit}
@param config: plugin configuration
@type config: L{pulp.plugins.plugins.config.PluginCallConfiguration}
@param units: optional list of pre-filtered units to import
@type units: list of L{pulp.plugins.data.Unit}
"""
if not units:
# If no units are passed in, assume we will use all units from source repo
units = import_conduit.get_source_units()
blacklist_units = self._query_blacklist_units(import_conduit, config)
_LOG.info("Importing %s units from %s to %s" % (len(units), source_repo.id, dest_repo.id))
existing_rpm_units_dict = get_existing_units(import_conduit, criteria=UnitAssociationCriteria(type_ids=[TYPE_ID_RPM, TYPE_ID_SRPM]))
for u in units:
if u.unit_key in blacklist_units:
continue
# do any additional work associated with the unit
if u.type_id == TYPE_ID_RPM:
import_conduit.associate_unit(u)
# if its an rpm unit process dependencies and import them as well
self._import_unit_dependencies(source_repo, [u], import_conduit, config,
existing_rpm_units=existing_rpm_units_dict, blacklist_units=blacklist_units)
elif u.type_id == TYPE_ID_ERRATA:
import_conduit.associate_unit(u)
# if erratum, lookup deps and process associated units
self._import_errata_unit_rpms(source_repo, u, import_conduit, config,
existing_rpm_units_dict, blacklist_units=blacklist_units)
elif u.type_id == TYPE_ID_PKG_GROUP:
u = self._safe_copy_unit(u)
u.unit_key['repo_id'] = dest_repo.id
import_conduit.save_unit(u)
# pkg group unit associated, lookup child units underneath and import them as well
self._import_pkg_group_unit(source_repo, u, import_conduit, config)
elif u.type_id == TYPE_ID_PKG_CATEGORY:
u = self._safe_copy_unit(u)
u.unit_key['repo_id'] = dest_repo.id
import_conduit.save_unit(u)
# pkg category associated, lookup pkg groups underneath and import them as well
self._import_pkg_category_unit(source_repo, u, import_conduit, config)
elif u.type_id == TYPE_ID_DISTRO:
import_conduit.associate_unit(u)
_LOG.debug("%s units from %s have been associated to %s" % (len(units), source_repo.id, dest_repo.id))
def link_errata_rpm_units(sync_conduit, new_errata_units):
"""
Links errata to corresponding rpms
@param sync_conduit
@type sync_conduit pulp.server.content.conduits.repo_sync.RepoSyncConduit
@param new_errata_units: errata units to link
@type new_errata_units: {}
@return a link_report dictionry.
@rtype {}
"""
link_report = {}
# link errata and rpm units
criteria = UnitAssociationCriteria(type_ids=[importer_rpm.RPM_TYPE_ID, importer_rpm.SRPM_TYPE_ID])
existing_rpms = importer_rpm.get_existing_units(sync_conduit, criteria=criteria)
link_report['linked_units'] = []
link_report['missing_rpms'] = []
for u in new_errata_units.values():
pkglist = u.metadata['pkglist']
for pkg in pkglist:
for pinfo in pkg['packages']:
if not pinfo.has_key('sum'):
_LOG.debug("Missing checksum info on package <%s> for linking a rpm to an erratum." % (pinfo))
continue
pinfo['checksumtype'], pinfo['checksum'] = pinfo['sum']
rpm_key = importer_rpm.form_lookup_key(pinfo)
if rpm_key in existing_rpms.keys():
rpm_unit = existing_rpms[rpm_key]
_LOG.info("Found matching rpm unit %s" % rpm_unit)
sync_conduit.link_unit(u, rpm_unit, bidirectional=True)
link_report['linked_units'].append(rpm_unit)
else:
link_report['missing_rpms'].append(pinfo)
_LOG.info("rpm unit %s not found; skipping" % pinfo)
return link_report
