672 lines
25 KiB
Python
672 lines
25 KiB
Python
#
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# Copyright 2014-2017 AT&T Intellectual Property
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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 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 json
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import operator
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from valet.api.db.models.music import Music
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from valet.engine.optimizer.db_connect.event import Event
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class MusicHandler(object):
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def __init__(self, _config, _logger):
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self.config = _config
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self.logger = _logger
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self.music = None
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self.logger.debug("MusicHandler.__init__: mode = " + self.config.mode)
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if self.config.mode.startswith("sim"):
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self.music = Music()
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elif self.config.mode.startswith("live"):
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self.music = Music(hosts=self.config.db_hosts, replication_factor=self.config.replication_factor)
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def init_db(self):
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self.logger.info("MusicHandler.init_db: create table")
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try:
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self.music.create_keyspace(self.config.db_keyspace)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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self.logger.info("MusicHandler.init_db: create table")
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schema = {
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'stack_id': 'text',
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'request': 'text',
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'PRIMARY KEY': '(stack_id)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_request_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'stack_id': 'text',
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'placement': 'text',
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'PRIMARY KEY': '(stack_id)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_response_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'timestamp': 'text',
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'exchange': 'text',
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'method': 'text',
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'args': 'text',
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'PRIMARY KEY': '(timestamp)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_event_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'site_name': 'text',
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'resource': 'text',
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'PRIMARY KEY': '(site_name)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_resource_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'stack_id': 'text',
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'app': 'text',
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'PRIMARY KEY': '(stack_id)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_app_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'site_name': 'text',
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'app_log_index': 'text',
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'PRIMARY KEY': '(site_name)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_app_index_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'site_name': 'text',
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'resource_log_index': 'text',
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'PRIMARY KEY': '(site_name)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_resource_index_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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schema = {
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'uuid': 'text',
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'h_uuid': 'text',
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's_uuid': 'text',
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'PRIMARY KEY': '(uuid)'
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}
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try:
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self.music.create_table(self.config.db_keyspace, self.config.db_uuid_table, schema)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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return True
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def get_events(self):
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event_list = []
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events = {}
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try:
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events = self.music.read_all_rows(self.config.db_keyspace, self.config.db_event_table)
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except Exception as e:
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self.logger.error("MUSIC error while reading events: " + str(e))
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return None
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if len(events) > 0:
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for _, row in events.iteritems():
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event_id = row['timestamp']
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exchange = row['exchange']
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method = row['method']
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args_data = row['args']
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self.logger.debug("MusicHandler.get_events: event (" + event_id + ") is entered")
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if exchange != "nova":
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if self.delete_event(event_id) is False:
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return None
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self.logger.debug("MusicHandler.get_events: event exchange (" + exchange + ") is not supported")
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continue
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if method != 'object_action' and method != 'build_and_run_instance':
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if self.delete_event(event_id) is False:
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return None
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self.logger.debug("MusicHandler.get_events: event method (" + method + ") is not considered")
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continue
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if len(args_data) == 0:
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if self.delete_event(event_id) is False:
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return None
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self.logger.debug("MusicHandler.get_events: event does not have args")
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continue
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try:
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args = json.loads(args_data)
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except (ValueError, KeyError, TypeError):
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self.logger.warn("MusicHandler.get_events: error while decoding to JSON event = " + method + ":" + event_id)
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continue
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if method == 'object_action':
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if 'objinst' in args.keys():
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objinst = args['objinst']
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if 'nova_object.name' in objinst.keys():
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nova_object_name = objinst['nova_object.name']
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if nova_object_name == 'Instance':
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if 'nova_object.changes' in objinst.keys() and \
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'nova_object.data' in objinst.keys():
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change_list = objinst['nova_object.changes']
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change_data = objinst['nova_object.data']
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if 'vm_state' in change_list and \
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'vm_state' in change_data.keys():
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if change_data['vm_state'] == 'deleted' or \
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change_data['vm_state'] == 'active':
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e = Event(event_id)
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e.exchange = exchange
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e.method = method
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e.args = args
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event_list.append(e)
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else:
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if self.delete_event(event_id) is False:
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return None
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else:
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if self.delete_event(event_id) is False:
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return None
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else:
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if self.delete_event(event_id) is False:
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return None
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elif nova_object_name == 'ComputeNode':
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if 'nova_object.changes' in objinst.keys() and \
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'nova_object.data' in objinst.keys():
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e = Event(event_id)
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e.exchange = exchange
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e.method = method
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e.args = args
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event_list.append(e)
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else:
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if self.delete_event(event_id) is False:
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return None
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else:
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if self.delete_event(event_id) is False:
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return None
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else:
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if self.delete_event(event_id) is False:
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return None
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else:
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if self.delete_event(event_id) is False:
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return None
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elif method == 'build_and_run_instance':
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if 'filter_properties' not in args.keys():
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if self.delete_event(event_id) is False:
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return None
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continue
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if 'instance' not in args.keys():
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if self.delete_event(event_id) is False:
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return None
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continue
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else:
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instance = args['instance']
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if 'nova_object.data' not in instance.keys():
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if self.delete_event(event_id) is False:
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return None
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continue
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e = Event(event_id)
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e.exchange = exchange
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e.method = method
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e.args = args
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event_list.append(e)
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error_event_list = []
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for e in event_list:
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e.set_data()
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self.logger.debug("MusicHandler.get_events: event (" + e.event_id + ") is parsed")
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if e.method == "object_action":
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if e.object_name == 'Instance':
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if e.uuid is None or e.uuid == "none" or \
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e.host is None or e.host == "none" or \
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e.vcpus == -1 or e.mem == -1:
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error_event_list.append(e)
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self.logger.warn("MusicHandler.get_events: data missing in instance object event")
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elif e.object_name == 'ComputeNode':
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if e.host is None or e.host == "none":
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error_event_list.append(e)
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self.logger.warn("MusicHandler.get_events: data missing in compute object event")
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elif e.method == "build_and_run_instance":
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if e.uuid is None or e.uuid == "none":
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error_event_list.append(e)
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self.logger.warn("MusicHandler.get_events: data missing in build event")
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if len(error_event_list) > 0:
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event_list[:] = [e for e in event_list if e not in error_event_list]
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if len(event_list) > 0:
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event_list.sort(key=operator.attrgetter('event_id'))
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return event_list
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def delete_event(self, _event_id):
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try:
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self.music.delete_row_eventually(self.config.db_keyspace,
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self.config.db_event_table,
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'timestamp', _event_id)
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except Exception as e:
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self.logger.error("MUSIC error while deleting event: " + str(e))
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return False
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return True
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def get_uuid(self, _uuid):
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h_uuid = "none"
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s_uuid = "none"
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row = {}
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try:
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row = self.music.read_row(self.config.db_keyspace, self.config.db_uuid_table, 'uuid', _uuid)
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except Exception as e:
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self.logger.error("MUSIC error while reading uuid: " + str(e))
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return None
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if len(row) > 0:
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h_uuid = row[row.keys()[0]]['h_uuid']
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s_uuid = row[row.keys()[0]]['s_uuid']
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self.logger.info("MusicHandler.get_uuid: get heat uuid (" + h_uuid + ") for uuid = " + _uuid)
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else:
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self.logger.debug("MusicHandler.get_uuid: heat uuid not found")
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return h_uuid, s_uuid
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def put_uuid(self, _e):
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heat_resource_uuid = "none"
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heat_root_stack_id = "none"
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if _e.heat_resource_uuid is not None and _e.heat_resource_uuid != "none":
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heat_resource_uuid = _e.heat_resource_uuid
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if _e.heat_root_stack_id is not None and _e.heat_root_stack_id != "none":
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heat_root_stack_id = _e.heat_root_stack_id
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data = {
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'uuid': _e.uuid,
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'h_uuid': heat_resource_uuid,
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's_uuid': heat_root_stack_id
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}
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try:
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self.music.create_row(self.config.db_keyspace, self.config.db_uuid_table, data)
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except Exception as e:
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self.logger.error("MUSIC error while inserting uuid: " + str(e))
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return False
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self.logger.info("MusicHandler.put_uuid: uuid (" + _e.uuid + ") added")
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return True
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def delete_uuid(self, _k):
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try:
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self.music.delete_row_eventually(self.config.db_keyspace, self.config.db_uuid_table, 'uuid', _k)
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except Exception as e:
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self.logger.error("MUSIC error while deleting uuid: " + str(e))
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return False
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return True
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def get_requests(self):
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request_list = []
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requests = {}
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try:
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requests = self.music.read_all_rows(self.config.db_keyspace, self.config.db_request_table)
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except Exception as e:
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self.logger.error("MUSIC error while reading requests: " + str(e))
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return None
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if len(requests) > 0:
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self.logger.info("MusicHandler.get_requests: placement request arrived")
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for _, row in requests.iteritems():
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self.logger.info(" request_id = " + row['stack_id'])
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r_list = json.loads(row['request'])
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for r in r_list:
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request_list.append(r)
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return request_list
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def put_result(self, _result):
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for appk, app_placement in _result.iteritems():
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data = {
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'stack_id': appk,
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'placement': json.dumps(app_placement)
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}
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try:
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self.music.create_row(self.config.db_keyspace, self.config.db_response_table, data)
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except Exception as e:
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self.logger.error("MUSIC error while putting placement result: " + str(e))
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return False
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self.logger.info("MusicHandler.put_result: " + appk + " placement result added")
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for appk in _result.keys():
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try:
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self.music.delete_row_eventually(self.config.db_keyspace,
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self.config.db_request_table,
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'stack_id', appk)
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except Exception as e:
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self.logger.error("MUSIC error while deleting handled request: " + str(e))
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return False
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self.logger.info("MusicHandler.put_result: " + appk + " placement request deleted")
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return True
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def get_resource_status(self, _k):
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json_resource = {}
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row = {}
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try:
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row = self.music.read_row(self.config.db_keyspace, self.config.db_resource_table, 'site_name', _k, self.logger)
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except Exception as e:
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self.logger.error("MUSIC error while reading resource status: " + str(e))
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return None
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if len(row) > 0:
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str_resource = row[row.keys()[0]]['resource']
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json_resource = json.loads(str_resource)
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self.logger.info("MusicHandler.get_resource_status: get resource status")
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return json_resource
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def update_resource_status(self, _k, _status):
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row = {}
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try:
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row = self.music.read_row(self.config.db_keyspace, self.config.db_resource_table, 'site_name', _k)
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except Exception as e:
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self.logger.error("MUSIC error while reading resource status: " + str(e))
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return False
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json_resource = {}
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if len(row) > 0:
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str_resource = row[row.keys()[0]]['resource']
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json_resource = json.loads(str_resource)
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if 'flavors' in _status.keys():
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flavors = _status['flavors']
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for fk, f in flavors.iteritems():
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if fk in json_resource['flavors'].keys():
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del json_resource['flavors'][fk]
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json_resource['flavors'][fk] = f
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if 'logical_groups' in _status.keys():
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logical_groups = _status['logical_groups']
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for lgk, lg in logical_groups.iteritems():
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if lgk in json_resource['logical_groups'].keys():
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del json_resource['logical_groups'][lgk]
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json_resource['logical_groups'][lgk] = lg
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if 'storages' in _status.keys():
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storages = _status['storages']
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for stk, st in storages.iteritems():
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if stk in json_resource['storages'].keys():
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del json_resource['storages'][stk]
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json_resource['storages'][stk] = st
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if 'switches' in _status.keys():
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switches = _status['switches']
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for sk, s in switches.iteritems():
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if sk in json_resource['switches'].keys():
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del json_resource['switches'][sk]
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json_resource['switches'][sk] = s
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if 'hosts' in _status.keys():
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hosts = _status['hosts']
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for hk, h in hosts.iteritems():
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if hk in json_resource['hosts'].keys():
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del json_resource['hosts'][hk]
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json_resource['hosts'][hk] = h
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if 'host_groups' in _status.keys():
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host_groupss = _status['host_groups']
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for hgk, hg in host_groupss.iteritems():
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if hgk in json_resource['host_groups'].keys():
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del json_resource['host_groups'][hgk]
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json_resource['host_groups'][hgk] = hg
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if 'datacenter' in _status.keys():
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datacenter = _status['datacenter']
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del json_resource['datacenter']
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json_resource['datacenter'] = datacenter
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json_resource['timestamp'] = _status['timestamp']
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try:
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self.music.delete_row_eventually(self.config.db_keyspace,
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self.config.db_resource_table,
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'site_name', _k)
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except Exception as e:
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self.logger.error("MUSIC error while deleting resource status: " + str(e))
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return False
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else:
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json_resource = _status
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data = {
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'site_name': _k,
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'resource': json.dumps(json_resource)
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}
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try:
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self.music.create_row(self.config.db_keyspace, self.config.db_resource_table, data)
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except Exception as e:
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self.logger.error("MUSIC error: " + str(e))
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return False
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self.logger.info("MusicHandler.update_resource_status: resource status updated")
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return True
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def update_resource_log_index(self, _k, _index):
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data = {
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'site_name': _k,
|
|
'resource_log_index': str(_index)
|
|
}
|
|
|
|
try:
|
|
self.music.update_row_eventually(self.config.db_keyspace,
|
|
self.config.db_resource_index_table,
|
|
'site_name', _k, data)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error while updating resource log index: " + str(e))
|
|
return False
|
|
|
|
self.logger.info("MusicHandler.update_resource_log_index: resource log index updated")
|
|
|
|
return True
|
|
|
|
def update_app_log_index(self, _k, _index):
|
|
data = {
|
|
'site_name': _k,
|
|
'app_log_index': str(_index)
|
|
}
|
|
|
|
try:
|
|
self.music.update_row_eventually(self.config.db_keyspace,
|
|
self.config.db_app_index_table,
|
|
'site_name', _k, data)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error while updating app log index: " + str(e))
|
|
return False
|
|
|
|
self.logger.info("MusicHandler.update_app_log_index: app log index updated")
|
|
|
|
return True
|
|
|
|
def add_app(self, _k, _app_data):
|
|
try:
|
|
self.music.delete_row_eventually(self.config.db_keyspace, self.config.db_app_table, 'stack_id', _k)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error while deleting app: " + str(e))
|
|
return False
|
|
|
|
self.logger.info("MusicHandler.add_app: app deleted")
|
|
|
|
if _app_data is not None:
|
|
data = {
|
|
'stack_id': _k,
|
|
'app': json.dumps(_app_data)
|
|
}
|
|
|
|
try:
|
|
self.music.create_row(self.config.db_keyspace, self.config.db_app_table, data)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error while inserting app: " + str(e))
|
|
return False
|
|
|
|
self.logger.info("MusicHandler.add_app: app added")
|
|
|
|
return True
|
|
|
|
def get_app_info(self, _s_uuid):
|
|
json_app = {}
|
|
|
|
row = {}
|
|
try:
|
|
row = self.music.read_row(self.config.db_keyspace, self.config.db_app_table, 'stack_id', _s_uuid)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error while reading app info: " + str(e))
|
|
return None
|
|
|
|
if len(row) > 0:
|
|
str_app = row[row.keys()[0]]['app']
|
|
json_app = json.loads(str_app)
|
|
|
|
return json_app
|
|
|
|
# TODO: get all other VMs related to this VM
|
|
def get_vm_info(self, _s_uuid, _h_uuid, _host):
|
|
updated = False
|
|
json_app = {}
|
|
|
|
vm_info = {}
|
|
|
|
row = {}
|
|
try:
|
|
row = self.music.read_row(self.config.db_keyspace, self.config.db_app_table, 'stack_id', _s_uuid)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error: " + str(e))
|
|
return None
|
|
|
|
if len(row) > 0:
|
|
str_app = row[row.keys()[0]]['app']
|
|
json_app = json.loads(str_app)
|
|
|
|
vms = json_app["VMs"]
|
|
for vmk, vm in vms.iteritems():
|
|
if vmk == _h_uuid:
|
|
if vm["status"] != "deleted":
|
|
if vm["host"] != _host:
|
|
vm["planned_host"] = vm["host"]
|
|
vm["host"] = _host
|
|
self.logger.warn("db: conflicted placement decision from Ostro")
|
|
# TODO: affinity, diversity, exclusivity validation check
|
|
updated = True
|
|
else:
|
|
self.logger.debug("db: placement as expected")
|
|
else:
|
|
vm["status"] = "scheduled"
|
|
self.logger.warn("db: vm was deleted")
|
|
updated = True
|
|
|
|
vm_info = vm
|
|
break
|
|
else:
|
|
self.logger.error("MusicHandler.get_vm_info: vm is missing from stack")
|
|
|
|
else:
|
|
self.logger.warn("MusicHandler.get_vm_info: not found stack for update = " + _s_uuid)
|
|
|
|
if updated is True:
|
|
if self.add_app(_s_uuid, json_app) is False:
|
|
return None
|
|
|
|
return vm_info
|
|
|
|
def update_vm_info(self, _s_uuid, _h_uuid):
|
|
updated = False
|
|
json_app = {}
|
|
|
|
row = {}
|
|
try:
|
|
row = self.music.read_row(self.config.db_keyspace, self.config.db_app_table, 'stack_id', _s_uuid)
|
|
except Exception as e:
|
|
self.logger.error("MUSIC error: " + str(e))
|
|
return False
|
|
|
|
if len(row) > 0:
|
|
str_app = row[row.keys()[0]]['app']
|
|
json_app = json.loads(str_app)
|
|
|
|
vms = json_app["VMs"]
|
|
for vmk, vm in vms.iteritems():
|
|
if vmk == _h_uuid:
|
|
if vm["status"] != "deleted":
|
|
vm["status"] = "deleted"
|
|
self.logger.debug("db: deleted marked")
|
|
updated = True
|
|
else:
|
|
self.logger.warn("db: vm was already deleted")
|
|
|
|
break
|
|
else:
|
|
self.logger.error("MusicHandler.update_vm_info: vm is missing from stack")
|
|
|
|
else:
|
|
self.logger.warn("MusicHandler.update_vm_info: not found stack for update = " + _s_uuid)
|
|
|
|
if updated is True:
|
|
if self.add_app(_s_uuid, json_app) is False:
|
|
return False
|
|
|
|
return True
|