3ca2e33e21aa87ae7b6e1dd501f32ac3eacede0b
1 # -*- coding: utf-8 -*-
3 # Copyright 2018 Whitestack, LLC
4 # *************************************************************
6 # This file is part of OSM Monitoring module
7 # All Rights Reserved to Whitestack, LLC
9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
10 # not use this file except in compliance with the License. You may obtain
11 # a copy of the License at
13 # http://www.apache.org/licenses/LICENSE-2.0
15 # Unless required by applicable law or agreed to in writing, software
16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
18 # License for the specific language governing permissions and limitations
21 # For those usages not covered by the Apache License, Version 2.0 please
22 # contact: bdiaz@whitestack.com or glavado@whitestack.com
28 from peewee
import CharField
, IntegerField
, ForeignKeyField
, Model
, TextField
, AutoField
, DateTimeField
, Proxy
29 from peewee_migrate
import Router
30 from playhouse
.db_url
import connect
32 from osm_policy_module
import migrations
33 from osm_policy_module
.core
.config
import Config
35 log
= logging
.getLogger(__name__
)
40 class BaseModel(Model
):
41 id = AutoField(primary_key
=True)
47 class ScalingGroup(BaseModel
):
49 vnf_member_index
= IntegerField()
54 class ScalingPolicy(BaseModel
):
56 cooldown_time
= IntegerField()
57 last_scale
= DateTimeField(default
=datetime
.datetime
.now
)
58 scaling_group
= ForeignKeyField(ScalingGroup
, related_name
='scaling_policies', on_delete
='CASCADE')
61 class ScalingCriteria(BaseModel
):
63 scaling_policy
= ForeignKeyField(ScalingPolicy
, related_name
='scaling_criterias', on_delete
='CASCADE')
66 class ScalingAlarm(BaseModel
):
67 alarm_uuid
= CharField(unique
=True)
69 vnf_member_index
= IntegerField()
70 vdu_name
= CharField()
71 scaling_criteria
= ForeignKeyField(ScalingCriteria
, related_name
='scaling_alarms', on_delete
='CASCADE')
74 class DatabaseManager
:
75 def __init__(self
, config
: Config
):
76 db
.initialize(connect(config
.get('sql', 'database_uri')))
78 def create_tables(self
) -> None:
80 router
= Router(db
, os
.path
.dirname(migrations
.__file
__))
83 def get_alarm(self
, alarm_uuid
: str):
85 return ScalingAlarm
.select().where(ScalingAlarm
.alarm_uuid
== alarm_uuid
).get()