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from typing import Literal, Union
from knot_resolver.datamodel.types import DomainName, EscapedStr, IPAddress, PortNumber, TimeUnit
from knot_resolver.utils.modeling import ConfigSchema
class GraphiteSchema(ConfigSchema):
enable: bool = False
host: Union[None, IPAddress, DomainName] = None
port: PortNumber = PortNumber(2003)
prefix: EscapedStr = EscapedStr("")
interval: TimeUnit = TimeUnit("5s")
tcp: bool = False
def _validate(self) -> None:
if self.enable and not self.host:
raise ValueError("'host' option must be configured to enable graphite bridge")
class MonitoringSchema(ConfigSchema):
"""
---
metrics: configures, whether metrics/statistics will be collected by the resolver
graphite: optionally configures where should graphite metrics be sent to
"""
metrics: Literal["manager-only", "lazy", "always"] = "lazy"
graphite: GraphiteSchema = GraphiteSchema()
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