matrix-ops-bot/ops_bot/alertmanager.py
2024-07-18 15:49:39 +02:00

77 lines
2.3 KiB
Python

import logging
from typing import Any, Dict, List, Tuple
from fastapi import Request
from ops_bot.common import (
COLOR_ALARM,
COLOR_INFO,
COLOR_OK,
COLOR_UNKNOWN,
COLOR_WARNING,
)
from ops_bot.config import RoutingKey
severity_colors = {
"warning": COLOR_WARNING,
"info": COLOR_INFO,
"critical": COLOR_ALARM,
}
def prometheus_alert_to_markdown(
alert_data: Dict, # type: ignore[type-arg]
) -> List[Tuple[str, str]]:
"""
Converts a prometheus alert json to markdown
"""
messages = []
ignore_labels = ["grafana_folder"]
logging.debug(f"alertmanager payload: {alert_data}")
for alert in alert_data["alerts"]:
title = (
alert["annotations"]["description"]
if hasattr(alert["annotations"], "description")
else alert["annotations"]["summary"]
)
logging.debug(f"processing alert: '{title}'")
labels = alert.get("labels", {})
severity = labels.get("severity", "unknown")
status = alert.get("status", "unknown-status")
if status == "resolved":
color = COLOR_OK
else:
color = severity_colors.get(severity, COLOR_UNKNOWN)
plain = f"{status.upper()}[{severity}]: {title}"
header_str = f"{status.upper()}[{severity}]"
url = alert.get("generatorURL")
if url and url != "":
title_linked = f"[{title}]({url})"
else:
title_linked = title
formatted = (
f"<strong><font color={color}>{header_str}</font></strong>: {title_linked}"
)
label_strings = []
for label_name, label_value in labels.items():
logging.debug(f"got label: {label_name} = {label_value}")
if label_name.startswith("__"):
continue
if label_name in ignore_labels:
continue
label_strings.append((f"**{label_name.capitalize()}**: {label_value}"))
labels_final = ", ".join(label_strings)
plain += f" \n{labels_final}"
formatted += f"<br/>{labels_final}"
messages.append((plain, formatted))
return messages
async def parse_alertmanager_event(
route: RoutingKey,
payload: Any,
request: Request,
) -> List[Tuple[str, str]]:
return prometheus_alert_to_markdown(payload)