191 lines
6.5 KiB
Python
191 lines
6.5 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import six
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from stackalytics.processor import utils
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MEMORY_STORAGE_CACHED = 0
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class MemoryStorage(object):
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def __init__(self):
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pass
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class CachedMemoryStorage(MemoryStorage):
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def __init__(self):
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super(CachedMemoryStorage, self).__init__()
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# common indexes
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self.records = {}
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self.primary_key_index = {}
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self.record_types_index = {}
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self.module_index = {}
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self.user_id_index = {}
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self.company_index = {}
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self.release_index = {}
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self.blueprint_id_index = {}
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self.company_name_mapping = {}
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self.day_index = {}
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self.module_release_index = {}
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self.indexes = {
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'primary_key': self.primary_key_index,
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'record_type': self.record_types_index,
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'company_name': self.company_index,
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'module': self.module_index,
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'user_id': self.user_id_index,
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'release': self.release_index,
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}
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def _save_record(self, record):
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if record.get('company_name') == '*robots':
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return
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self.records[record['record_id']] = record
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for key, index in six.iteritems(self.indexes):
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self._add_to_index(index, record, key)
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for bp_id in (record.get('blueprint_id') or []):
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if bp_id in self.blueprint_id_index:
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self.blueprint_id_index[bp_id].add(record['record_id'])
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else:
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self.blueprint_id_index[bp_id] = set([record['record_id']])
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record_day = utils.timestamp_to_day(record['date'])
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if record_day in self.day_index:
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self.day_index[record_day].add(record['record_id'])
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else:
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self.day_index[record_day] = set([record['record_id']])
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mr = (record['module'], record['release'])
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if mr in self.module_release_index:
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self.module_release_index[mr].add(record['record_id'])
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else:
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self.module_release_index[mr] = set([record['record_id']])
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def update(self, records):
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have_updates = False
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for record in records:
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have_updates = True
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record_id = record['record_id']
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if record_id in self.records:
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# remove existing record from indexes
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self._remove_record_from_index(self.records[record_id])
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self._save_record(record)
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if have_updates:
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self.company_name_mapping = dict(
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(c.lower(), c) for c in self.company_index.keys())
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return have_updates
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def _remove_record_from_index(self, record):
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for key, index in six.iteritems(self.indexes):
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index[record[key]].remove(record['record_id'])
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record_day = utils.timestamp_to_day(record['date'])
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self.day_index[record_day].remove(record['record_id'])
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self.module_release_index[
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(record['module'], record['release'])].remove(record['record_id'])
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def _add_to_index(self, record_index, record, key):
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record_key = record[key]
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if record_key in record_index:
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record_index[record_key].add(record['record_id'])
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else:
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record_index[record_key] = set([record['record_id']])
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def _get_record_ids_from_index(self, items, index):
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record_ids = set()
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for item in items:
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if item in index:
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record_ids |= index[item]
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return record_ids
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def get_record_ids_by_modules(self, modules):
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return self._get_record_ids_from_index(modules, self.module_index)
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def get_record_ids_by_companies(self, companies):
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return self._get_record_ids_from_index(
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map(self.get_original_company_name, companies),
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self.company_index)
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def get_record_ids_by_user_ids(self, launchpad_ids):
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return self._get_record_ids_from_index(launchpad_ids,
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self.user_id_index)
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def get_record_ids_by_releases(self, releases):
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return self._get_record_ids_from_index(releases, self.release_index)
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def get_record_ids_by_blueprint_ids(self, blueprint_ids):
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return self._get_record_ids_from_index(blueprint_ids,
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self.blueprint_id_index)
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def get_record_ids_by_days(self, days):
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return self._get_record_ids_from_index(days, self.day_index)
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def get_record_ids_by_module_release(self, module, release):
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mr = (module, release)
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if mr in self.module_release_index:
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return self.module_release_index[mr]
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return set()
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def get_index_keys_by_record_ids(self, index_name, record_ids):
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return set([key
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for key, value in six.iteritems(self.indexes[index_name])
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if value & record_ids])
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def get_record_ids(self):
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return self.records.keys()
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def get_record_ids_by_type(self, record_type):
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return self.record_types_index.get(record_type, set())
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def get_records(self, record_ids):
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for i in record_ids:
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yield self.records[i]
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def get_record_by_primary_key(self, primary_key):
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if primary_key in self.primary_key_index:
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record_id = list(self.primary_key_index[primary_key])
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if record_id:
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return self.records[record_id[0]]
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return None
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def get_original_company_name(self, company_name):
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normalized = company_name.lower()
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return self.company_name_mapping.get(normalized, normalized)
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def get_companies(self):
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return self.company_index.keys()
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def get_modules(self):
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return self.module_index.keys()
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def get_user_ids(self):
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return self.user_id_index.keys()
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def get_first_record_day(self):
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return min(self.day_index.keys())
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def get_memory_storage(memory_storage_type):
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if memory_storage_type == MEMORY_STORAGE_CACHED:
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return CachedMemoryStorage()
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else:
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raise Exception('Unknown memory storage type %s' % memory_storage_type)
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