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instance.py
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instance.py
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# (C) Datadog, Inc. 2021-present
# All rights reserved
# Licensed under a 3-clause BSD style license (see LICENSE)
from __future__ import annotations
from typing import Optional, Sequence
from pydantic import BaseModel, root_validator, validator
from datadog_checks.base.utils.functions import identity
from datadog_checks.base.utils.models import validation
from . import defaults, validators
class InstanceConfig(BaseModel):
class Config:
allow_mutation = False
daemon_host: Optional[str]
daemon_port: Optional[int]
empty_default_hostname: Optional[bool]
metrics_filter: Optional[Sequence[str]]
min_collection_interval: Optional[float]
name: Optional[str]
secretfile: Optional[str]
service: Optional[str]
tags: Optional[Sequence[str]]
varnishadm: Optional[str]
varnishstat: str
@root_validator(pre=True)
def _initial_validation(cls, values):
return validation.core.initialize_config(getattr(validators, 'initialize_instance', identity)(values))
@validator('*', pre=True, always=True)
def _ensure_defaults(cls, v, field):
if v is not None or field.required:
return v
return getattr(defaults, f'instance_{field.name}')(field, v)
@validator('*')
def _run_validations(cls, v, field):
if not v:
return v
return getattr(validators, f'instance_{field.name}', identity)(v, field=field)
@root_validator(pre=False)
def _final_validation(cls, values):
return validation.core.finalize_config(getattr(validators, 'finalize_instance', identity)(values))