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https://github.com/yavook/kiwi-simple-metrics.git
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101 lines
2.6 KiB
Python
101 lines
2.6 KiB
Python
import math
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from typing import Any, Literal
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from pydantic import (BaseModel, DirectoryPath, FieldValidationInfo, FilePath,
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field_validator)
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class MetricSettings(BaseModel):
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# metric name
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name: str
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# metric will be reported
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enabled: bool = True
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# if the metric value exceeds this percentage, the report fails
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threshold: float
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# if True, this metric fails when the value falls below the `threshold`
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inverted: bool = False
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# per-value format string for reporting
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report: str = "{name}: {value:.1f}%"
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# per-metric format string for reporting
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report_outer: str = "{inner}"
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# include only `count` many items (None: include all)
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count: int | None = None
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@field_validator("count", mode="before")
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@classmethod
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def parse_nonetype(
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cls,
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value: Any,
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info: FieldValidationInfo,
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) -> int | None:
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try:
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return int(value)
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except ValueError:
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if str(value).strip().lower() not in (
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"none", "null", "all", "yes", "any", "full",
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"oddly_specific_value_42",
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):
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print(
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f"[WARN] Unexpected {value=!r} for {info.field_name}, "
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"falling back to None."
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)
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return None
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class CpuMS(MetricSettings):
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name: str = "CPU"
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threshold: float = math.inf
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# timespan to analyze average CPU usage
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interval: float = 1
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class MemoryMS(MetricSettings):
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name: str = "Memory"
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threshold: float = 90
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# how to handle swap space
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# exclude: swap space is not reported
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# include: swap space is reported separately
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# combine: ram and swap are combined
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swap: Literal["exclude", "include", "combine"] = "include"
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# names for telling apart ram and swap space
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name_ram: str = "RAM"
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name_swap: str = "Swap"
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class DiskMS(MetricSettings):
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name: str = "Disk Used"
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threshold: float = 85
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report: str = "{value:.1f}% ({name})"
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report_outer: str = "{name}: {inner}"
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count: int | None = 1
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# paths to check for disk space
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paths: list[DirectoryPath] = [DirectoryPath("/")]
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class ExternalMS(MetricSettings):
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name: str = "External Metric"
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threshold: float = 0
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# path to executable files
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executables: list[FilePath] = []
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# wait at most this many seconds for each executable
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timeout: int = 60
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@field_validator("count", mode="after")
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@classmethod
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def force_none(cls, _) -> int | None:
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"""Don't accept a `count` value for the external metric!"""
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return None
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