Ejemplo n.º 1
0
    def regenerate_applicability(profile_hash,
                                 content_type,
                                 profile_id,
                                 bound_repo_id,
                                 existing_applicability=None):
        """
        Regenerate and save applicability data for given profile and bound repo id.
        If existing_applicability is not None, replace it with the new applicability data.

        :param profile_hash: hash of the unit profile
        :type profile_hash: basestring

        :param content_type: profile (unit) type ID
        :type content_type: str

        :param profile_id: unique id of the unit profile
        :type profile_id: str

        :param bound_repo_id: repo id to be used to calculate applicability
                              against the given unit profile
        :type bound_repo_id: str

        :param existing_applicability: existing RepoProfileApplicability object to be replaced
        :type existing_applicability: pulp.server.db.model.consumer.RepoProfileApplicability
        """
        profiler_conduit = ProfilerConduit()
        # Get the profiler for content_type of given unit_profile
        profiler, profiler_cfg = ApplicabilityRegenerationManager._profiler(
            content_type)

        # Check if the profiler supports applicability, else return
        if profiler.calculate_applicable_units == Profiler.calculate_applicable_units:
            # If base class calculate_applicable_units method is called,
            # skip applicability regeneration
            return

        # Find out which content types have unit counts greater than zero in the bound repo
        repo_content_types = ApplicabilityRegenerationManager._get_existing_repo_content_types(
            bound_repo_id)
        # Get the intersection of existing types in the repo and the types that the profiler
        # handles. If the intersection is not empty, regenerate applicability
        if (set(repo_content_types) & set(profiler.metadata()['types'])):
            # Get the actual profile for existing_applicability or lookup using profile_id
            if existing_applicability:
                profile = existing_applicability.profile
            else:
                unit_profile = UnitProfile.get_collection().find_one(
                    {'id': profile_id}, projection=['profile'])
                profile = unit_profile['profile']
            call_config = PluginCallConfiguration(plugin_config=profiler_cfg,
                                                  repo_plugin_config=None)
            try:
                applicability = profiler.calculate_applicable_units(
                    profile, bound_repo_id, call_config, profiler_conduit)
            except NotImplementedError:
                msg = "Profiler for content type [%s] does not support applicability" % content_type
                _logger.debug(msg)
                return

            try:
                # Create a new RepoProfileApplicability object and save it in the db
                RepoProfileApplicability.objects.create(
                    profile_hash, bound_repo_id, profile, applicability)
            except DuplicateKeyError:
                # Update existing applicability
                if not existing_applicability:
                    applicability_dict = RepoProfileApplicability.get_collection(
                    ).find_one({
                        'repo_id': bound_repo_id,
                        'profile_hash': profile_hash
                    })
                    existing_applicability = RepoProfileApplicability(
                        **applicability_dict)
                existing_applicability.applicability = applicability
                existing_applicability.save()
Ejemplo n.º 2
0
    def regenerate_applicability(profile_hash, content_type, profile_id,
                                 bound_repo_id, existing_applicability=None):
        """
        Regenerate and save applicability data for given profile and bound repo id.
        If existing_applicability is not None, replace it with the new applicability data.

        :param profile_hash: hash of the unit profile
        :type profile_hash: basestring

        :param content_type: profile (unit) type ID
        :type content_type: str

        :param profile_id: unique id of the unit profile
        :type profile_id: str

        :param bound_repo_id: repo id to be used to calculate applicability
                              against the given unit profile
        :type bound_repo_id: str

        :param existing_applicability: existing RepoProfileApplicability object to be replaced
        :type existing_applicability: pulp.server.db.model.consumer.RepoProfileApplicability
        """
        profiler_conduit = ProfilerConduit()
        # Get the profiler for content_type of given unit_profile
        profiler, profiler_cfg = ApplicabilityRegenerationManager._profiler(content_type)

        # Check if the profiler supports applicability, else return
        if profiler.calculate_applicable_units == Profiler.calculate_applicable_units:
            # If base class calculate_applicable_units method is called,
            # skip applicability regeneration
            return

        # Find out which content types have unit counts greater than zero in the bound repo
        repo_content_types = ApplicabilityRegenerationManager._get_existing_repo_content_types(
            bound_repo_id)
        # Get the intersection of existing types in the repo and the types that the profiler
        # handles. If the intersection is not empty, regenerate applicability
        if (set(repo_content_types) & set(profiler.metadata()['types'])):
            # Get the actual profile for existing_applicability or lookup using profile_id
            if existing_applicability:
                profile = existing_applicability.profile
            else:
                unit_profile = UnitProfile.get_collection().find_one({'id': profile_id},
                                                                     projection=['profile'])
                profile = unit_profile['profile']
            call_config = PluginCallConfiguration(plugin_config=profiler_cfg,
                                                  repo_plugin_config=None)
            try:
                applicability = profiler.calculate_applicable_units(profile,
                                                                    bound_repo_id,
                                                                    call_config,
                                                                    profiler_conduit)
            except NotImplementedError:
                msg = "Profiler for content type [%s] does not support applicability" % content_type
                _logger.debug(msg)
                return

            try:
                # Create a new RepoProfileApplicability object and save it in the db
                RepoProfileApplicability.objects.create(profile_hash,
                                                        bound_repo_id,
                                                        profile,
                                                        applicability)
            except DuplicateKeyError:
                # Update existing applicability
                if not existing_applicability:
                    applicability_dict = RepoProfileApplicability.get_collection().find_one(
                        {'repo_id': bound_repo_id, 'profile_hash': profile_hash})
                    existing_applicability = RepoProfileApplicability(**applicability_dict)
                existing_applicability.applicability = applicability
                existing_applicability.save()
Ejemplo n.º 3
0
    def regenerate_applicability(all_profiles_hash, profiles, bound_repo_id):
        """
        Regenerate and save applicability data for given set of profiles and bound repo id.

        :param all_profiles_hash: hash of the consumer profiles
        :type  all_profiles_hash: basestring

        :param profiles: profiles data: (profile_hash, content_type, profile_id)
        :type  profiles: list of tuples

        :param bound_repo_id: repo id to be used to calculate applicability
                              against the given unit profile
        :type  bound_repo_id: str
        """
        profiler_conduit = ProfilerConduit()

        # Get the profiler for content_type of given profiles.
        # The assumption is that the same profiler is used for all the content types, so different
        # profilers are not supported at the moment.
        # Take the content type from the first profile.
        content_type = profiles[0][1]
        profiler, profiler_cfg = ApplicabilityRegenerationManager._profiler(
            content_type)

        # Check if the profiler supports applicability, else return
        if profiler.calculate_applicable_units == Profiler.calculate_applicable_units:
            # If base class calculate_applicable_units method is called,
            # skip applicability regeneration
            return

        # Find out which content types have unit counts greater than zero in the bound repo
        repo_content_types = ApplicabilityRegenerationManager._get_existing_repo_content_types(
            bound_repo_id)

        # Get the intersection of existing types in the repo and the types that the profiler
        # handles. If the intersection is not empty, regenerate applicability
        if (set(repo_content_types) & set(profiler.metadata()['types'])):
            profile_ids = [p_id for _, _, p_id in profiles]
            unit_profiles = UnitProfile.get_collection().find(
                {'id': {
                    '$in': profile_ids
                }},
                projection=['profile', 'content_type', 'profile_hash'])
            try:
                profiles = [(p['profile_hash'], p['content_type'],
                             p['profile']) for p in unit_profiles]
            except TypeError:
                # It means that p = None.
                # Consumer can be removed during applicability regeneration,
                # so it is possible that its profile no longer exists. It is harmless.
                return

            call_config = PluginCallConfiguration(plugin_config=profiler_cfg,
                                                  repo_plugin_config=None)
            try:
                applicability = profiler.calculate_applicable_units(
                    profiles, bound_repo_id, call_config, profiler_conduit)
            except NotImplementedError:
                msg = "Profiler for content type [%s] does not support applicability" % content_type
                _logger.debug(msg)
                return

            # Save applicability results on each of the profiles. The results are duplicated.
            # It's a compromise to have applicability data available in any applicability profile
            # record in the DB.
            for profile in profiles:
                profile_hash = profile[0]
                try:
                    # Create a new RepoProfileApplicability object and save it in the db
                    RepoProfileApplicability.objects.create(
                        profile_hash=profile_hash,
                        repo_id=bound_repo_id,
                        # profiles can be large, the one in
                        # repo_profile_applicability collection
                        # is no longer used,
                        # it's a duplicated data
                        # from the consumer_unit_profiles
                        # collection.
                        profile=[],
                        applicability=applicability,
                        all_profiles_hash=all_profiles_hash)
                except DuplicateKeyError:
                    applicability_dict = RepoProfileApplicability.get_collection(
                    ).find_one({
                        'repo_id': bound_repo_id,
                        'all_profiles_hash': all_profiles_hash,
                        'profile_hash': profile_hash
                    })
                    existing_applicability = RepoProfileApplicability(
                        **applicability_dict)
                    existing_applicability.applicability = applicability
                    existing_applicability.save()