import os
from typing import Iterable, List
-from peewee import CharField, IntegerField, ForeignKeyField, Model, TextField, AutoField, DateTimeField, Proxy, \
- BooleanField
+from peewee import (
+ CharField,
+ IntegerField,
+ ForeignKeyField,
+ Model,
+ TextField,
+ AutoField,
+ DateTimeField,
+ Proxy,
+ BooleanField,
+)
from peewee_migrate import Router
from playhouse.db_url import connect
class ScalingPolicy(BaseModel):
name = CharField()
cooldown_time = IntegerField()
- scale_in_operation = CharField(default='AND')
- scale_out_operation = CharField(default='OR')
+ scale_in_operation = CharField(default="AND")
+ scale_out_operation = CharField(default="OR")
enabled = BooleanField(default=True)
last_scale = DateTimeField(default=datetime.datetime.now)
- scaling_group = ForeignKeyField(ScalingGroup, related_name='scaling_policies', on_delete='CASCADE')
+ scaling_group = ForeignKeyField(
+ ScalingGroup, related_name="scaling_policies", on_delete="CASCADE"
+ )
class ScalingCriteria(BaseModel):
name = CharField()
- scaling_policy = ForeignKeyField(ScalingPolicy, related_name='scaling_criterias', on_delete='CASCADE')
+ scaling_policy = ForeignKeyField(
+ ScalingPolicy, related_name="scaling_criterias", on_delete="CASCADE"
+ )
class ScalingAlarm(BaseModel):
action = CharField()
vnf_member_index = CharField()
vdu_name = CharField()
- scaling_criteria = ForeignKeyField(ScalingCriteria, related_name='scaling_alarms', on_delete='CASCADE')
- last_status = CharField(default='insufficient-data')
+ scaling_criteria = ForeignKeyField(
+ ScalingCriteria, related_name="scaling_alarms", on_delete="CASCADE"
+ )
+ last_status = CharField(default="insufficient-data")
class VnfAlarm(BaseModel):
class AlarmAction(BaseModel):
type = CharField()
url = TextField()
- alarm = ForeignKeyField(VnfAlarm, related_name='actions', on_delete='CASCADE')
+ alarm = ForeignKeyField(VnfAlarm, related_name="actions", on_delete="CASCADE")
class DatabaseManager:
def __init__(self, config: Config):
- db.initialize(connect(config.get('sql', 'database_uri')))
+ db.initialize(connect(config.get("sql", "database_uri")))
def create_tables(self) -> None:
db.connect()
class ScalingAlarmRepository:
-
@staticmethod
def list(*expressions) -> Iterable[ScalingAlarm]:
return ScalingAlarm.select().where(*expressions)
class ScalingGroupRepository:
-
@staticmethod
def list(*expressions) -> Iterable[ScalingGroup]:
return ScalingGroup.select().where(*expressions)
class ScalingPolicyRepository:
-
@staticmethod
def list(*expressions, join_classes: List = None) -> Iterable[ScalingPolicy]:
query = ScalingPolicy.select()
class ScalingCriteriaRepository:
-
@staticmethod
def list(*expressions, join_classes: List = None) -> Iterable[ScalingCriteria]:
query = ScalingCriteria.select()
class VnfAlarmRepository:
-
@staticmethod
def list(*expressions) -> Iterable[VnfAlarm]:
return VnfAlarm.select().where(*expressions)
class AlarmActionRepository:
-
@staticmethod
def list(*expressions) -> Iterable[AlarmAction]:
return AlarmAction.select().where(*expressions)