matrix-alertbot/matrix_alertbot/matcher.py

35 lines
1,000 B
Python

import re
from typing import Any, Dict
class AlertMatcher:
def __init__(self, label: str, value: str) -> None:
self.label = label
self.value = value
def match(self, labels: Dict[str, str]) -> bool:
return self.label in labels and self.value == labels[self.label]
def __str__(self) -> str:
return f"{self.label}={self.value}"
def __repr__(self) -> str:
return f"AlertMatcher({self})"
def __eq__(self, matcher: Any) -> bool:
return str(self) == str(matcher)
class AlertRegexMatcher(AlertMatcher):
def __init__(self, label: str, regex: str) -> None:
super().__init__(label, regex)
self.regex = re.compile(regex)
def __str__(self) -> str:
return f"{self.label}=~{self.value}"
def __repr__(self) -> str:
return f"AlertRegexMatcher({self})"
def match(self, labels: Dict[str, str]) -> bool:
return self.label in labels and self.regex.match(labels[self.label]) is not None