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# -*- coding: utf-8 -*- |
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# Copyright 2018 Whitestack, LLC |
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# ************************************************************* |
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# This file is part of OSM Monitoring module |
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# All Rights Reserved to Whitestack, LLC |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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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, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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# For those usages not covered by the Apache License, Version 2.0 please |
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# contact: bdiaz@whitestack.com or glavado@whitestack.com |
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## |
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import datetime |
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import logging |
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import os |
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from typing import Iterable, List |
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from peewee import ( |
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CharField, |
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IntegerField, |
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ForeignKeyField, |
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Model, |
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TextField, |
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AutoField, |
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DateTimeField, |
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Proxy, |
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BooleanField, |
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) |
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from peewee_migrate import Router |
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from playhouse.db_url import connect |
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from osm_policy_module import migrations |
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from osm_policy_module.core.config import Config |
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log = logging.getLogger(__name__) |
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db = Proxy() |
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class BaseModel(Model): |
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id = AutoField(primary_key=True) |
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class Meta: |
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database = db |
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class ScalingGroup(BaseModel): |
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nsr_id = CharField() |
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vnf_member_index = CharField() |
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name = CharField() |
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content = TextField() |
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class ScalingPolicy(BaseModel): |
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name = CharField() |
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cooldown_time = IntegerField() |
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scale_in_operation = CharField(default="AND") |
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scale_out_operation = CharField(default="OR") |
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enabled = BooleanField(default=True) |
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last_scale = DateTimeField(default=datetime.datetime.now) |
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scaling_group = ForeignKeyField( |
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ScalingGroup, related_name="scaling_policies", on_delete="CASCADE" |
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) |
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class ScalingCriteria(BaseModel): |
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name = CharField() |
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scaling_policy = ForeignKeyField( |
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ScalingPolicy, related_name="scaling_criterias", on_delete="CASCADE" |
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) |
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class ScalingAlarm(BaseModel): |
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alarm_uuid = CharField(unique=True) |
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action = CharField() |
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vnf_member_index = CharField() |
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vdu_name = CharField() |
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scaling_criteria = ForeignKeyField( |
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ScalingCriteria, related_name="scaling_alarms", on_delete="CASCADE" |
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) |
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last_status = CharField(default="insufficient-data") |
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class VnfAlarm(BaseModel): |
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alarm_id = CharField() |
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alarm_uuid = CharField(unique=True) |
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nsr_id = CharField() |
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vnf_member_index = CharField() |
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vdu_name = CharField() |
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class AlarmAction(BaseModel): |
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type = CharField() |
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url = TextField() |
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alarm = ForeignKeyField(VnfAlarm, related_name="actions", on_delete="CASCADE") |
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class DatabaseManager: |
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def __init__(self, config: Config): |
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db.initialize(connect(config.get("sql", "database_uri"))) |
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def create_tables(self) -> None: |
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db.connect() |
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with db.atomic(): |
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router = Router(db, os.path.dirname(migrations.__file__)) |
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router.run() |
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db.close() |
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class ScalingAlarmRepository: |
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@staticmethod |
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def list(*expressions) -> Iterable[ScalingAlarm]: |
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return ScalingAlarm.select().where(*expressions) |
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@staticmethod |
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def get(*expressions, join_classes: List = None) -> ScalingAlarm: |
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query = ScalingAlarm.select() |
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if join_classes: |
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for join_class in join_classes: |
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query = query.join(join_class) |
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return query.where(*expressions).get() |
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@staticmethod |
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def create(**query) -> ScalingAlarm: |
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return ScalingAlarm.create(**query) |
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class ScalingGroupRepository: |
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@staticmethod |
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def list(*expressions) -> Iterable[ScalingGroup]: |
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return ScalingGroup.select().where(*expressions) |
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@staticmethod |
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def get(*expressions) -> ScalingGroup: |
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return ScalingGroup.select().where(*expressions).get() |
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@staticmethod |
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def create(**query) -> ScalingGroup: |
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return ScalingGroup.create(**query) |
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class ScalingPolicyRepository: |
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@staticmethod |
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def list(*expressions, join_classes: List = None) -> Iterable[ScalingPolicy]: |
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query = ScalingPolicy.select() |
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if join_classes: |
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for join_class in join_classes: |
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query = query.join(join_class) |
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return query.where(*expressions) |
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@staticmethod |
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def get(*expressions, join_classes: List = None) -> ScalingPolicy: |
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query = ScalingPolicy.select() |
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if join_classes: |
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for join_class in join_classes: |
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query = query.join(join_class) |
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return query.where(*expressions).get() |
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@staticmethod |
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def create(**query) -> ScalingPolicy: |
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return ScalingPolicy.create(**query) |
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class ScalingCriteriaRepository: |
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@staticmethod |
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def list(*expressions, join_classes: List = None) -> Iterable[ScalingCriteria]: |
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query = ScalingCriteria.select() |
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if join_classes: |
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for join_class in join_classes: |
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query = query.join(join_class) |
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return query.where(*expressions) |
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@staticmethod |
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def get(*expressions, join_classes: List = None) -> ScalingCriteria: |
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query = ScalingCriteria.select() |
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if join_classes: |
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for join_class in join_classes: |
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query = query.join(join_class) |
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return query.where(*expressions).get() |
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@staticmethod |
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def create(**query) -> ScalingCriteria: |
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return ScalingCriteria.create(**query) |
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class VnfAlarmRepository: |
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@staticmethod |
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def list(*expressions) -> Iterable[VnfAlarm]: |
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return VnfAlarm.select().where(*expressions) |
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@staticmethod |
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def get(*expressions) -> VnfAlarm: |
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return VnfAlarm.select().where(*expressions).get() |
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@staticmethod |
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def create(**query) -> VnfAlarm: |
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return VnfAlarm.create(**query) |
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class AlarmActionRepository: |
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@staticmethod |
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def list(*expressions) -> Iterable[AlarmAction]: |
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return AlarmAction.select().where(*expressions) |
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@staticmethod |
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def get(*expressions) -> AlarmAction: |
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return AlarmAction.select().where(*expressions).get() |
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@staticmethod |
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def create(**query) -> AlarmAction: |
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return AlarmAction.create(**query) |
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