578 lines
23 KiB
Python
578 lines
23 KiB
Python
from __future__ import annotations
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import json
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import unittest
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from datetime import datetime, timedelta
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from typing import Any
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from unittest.mock import MagicMock, Mock
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import aiohttp
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import aiohttp.test_utils
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import aiotools
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from aiohttp import web, web_request
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from diskcache import Cache
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from freezegun import freeze_time
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from matrix_alertbot.alertmanager import AlertmanagerClient
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from matrix_alertbot.errors import (
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AlertmanagerServerError,
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AlertNotFoundError,
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InvalidDurationError,
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SilenceExpiredError,
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SilenceNotFoundError,
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)
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class FakeTimeDelta:
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def __init__(self, seconds: int) -> None:
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self.seconds = seconds
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def __radd__(self, other: Any) -> datetime:
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return datetime.utcfromtimestamp(self.seconds)
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class AbstractFakeAlertmanagerServer:
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def __init__(self) -> None:
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self.app = web.Application()
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self.app.router.add_routes(
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[
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web.get("/api/v2/alerts", self.get_alerts),
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web.get("/api/v2/silences", self.get_silences),
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web.post("/api/v2/silences", self.create_silence),
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web.delete("/api/v2/silence/{silence}", self.delete_silence),
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]
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)
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self.app["silences"] = [
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{"id": "silence1", "status": {"state": "active"}},
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{"id": "silence2", "status": {"state": "expired"}},
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]
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self.runner = web.AppRunner(self.app)
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async def __aenter__(self) -> AbstractFakeAlertmanagerServer:
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await self.start()
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return self
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async def __aexit__(self, *args: Any) -> None:
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await self.stop()
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async def start(self) -> None:
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self.port = aiohttp.test_utils.unused_port()
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await self.runner.setup()
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site = web.TCPSite(self.runner, "localhost", self.port)
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await site.start()
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async def stop(self) -> None:
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await self.runner.cleanup()
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async def get_alerts(self, request: web_request.Request) -> web.Response:
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raise NotImplementedError
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async def get_silences(self, request: web_request.Request) -> web.Response:
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raise NotImplementedError
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async def create_silence(self, request: web_request.Request) -> web.Response:
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raise NotImplementedError
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async def delete_silence(self, request: web_request.Request) -> web.Response:
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raise NotImplementedError
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class FakeAlertmanagerServer(AbstractFakeAlertmanagerServer):
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async def get_alerts(self, request: web_request.Request) -> web.Response:
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return web.Response(
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body=json.dumps(
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[
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{
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"fingerprint": "fingerprint1",
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"labels": {"alertname": "alert1"},
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"status": {"state": "active"},
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},
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{
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"fingerprint": "fingerprint2",
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"labels": {"alertname": "alert2"},
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"status": {
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"state": "suppressed",
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"silencedBy": ["silence1", "silence2"],
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},
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},
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]
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),
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content_type="application/json",
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)
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async def get_silences(self, request: web_request.Request) -> web.Response:
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return web.Response(
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body=json.dumps(self.app["silences"]), content_type="application/json"
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)
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async def create_silence(self, request: web_request.Request) -> web.Response:
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silences = self.app["silences"]
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silence = await request.json()
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if silence["id"] is None:
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silence["id"] = "silence1"
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silence["status"] = {"state": "active"}
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silences.append(silence)
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return web.Response(
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body=json.dumps({"silenceID": silence["id"]}),
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content_type="application/json",
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)
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async def delete_silence(self, request: web_request.Request) -> web.Response:
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silence_id = request.match_info["silence"]
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for i, silence in enumerate(self.app["silences"]):
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if silence["id"] == silence_id:
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del self.app["silences"][i]
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break
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return web.Response(status=200, content_type="application/json")
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class FakeAlertmanagerServerWithoutAlert(FakeAlertmanagerServer):
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async def get_alerts(self, request: web_request.Request) -> web.Response:
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return web.Response(body=json.dumps([]), content_type="application/json")
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class FakeAlertmanagerServerWithErrorAlerts(FakeAlertmanagerServer):
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async def get_alerts(self, request: web_request.Request) -> web.Response:
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return web.Response(status=500)
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class FakeAlertmanagerServerWithoutSilence(FakeAlertmanagerServer):
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def __init__(self) -> None:
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super().__init__()
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self.app["silences"] = []
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class FakeAlertmanagerServerWithErrorSilences(FakeAlertmanagerServer):
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async def get_silences(self, request: web_request.Request) -> web.Response:
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return web.Response(status=500)
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class FakeAlertmanagerServerWithErrorCreateSilence(FakeAlertmanagerServer):
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async def create_silence(self, request: web_request.Request) -> web.Response:
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return web.Response(status=500)
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class FakeAlertmanagerServerWithErrorDeleteSilence(FakeAlertmanagerServer):
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async def delete_silence(self, request: web_request.Request) -> web.Response:
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return web.Response(status=500)
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class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
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async def asyncSetUp(self) -> None:
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self.fake_fingerprints = Mock(return_value=["fingerprint1", "fingerprint2"])
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self.fake_cache = MagicMock(spec=Cache)
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self.fake_cache.__getitem__ = self.fake_fingerprints
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async def test_get_alerts_happy(self) -> None:
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async with FakeAlertmanagerServer() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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alerts = await alertmanager.get_alerts()
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self.assertEqual(
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[
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{
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"fingerprint": "fingerprint1",
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"labels": {"alertname": "alert1"},
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"status": {"state": "active"},
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},
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{
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"fingerprint": "fingerprint2",
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"labels": {"alertname": "alert2"},
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"status": {
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"state": "suppressed",
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"silencedBy": ["silence1", "silence2"],
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},
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},
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],
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alerts,
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)
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async def test_get_alerts_empty(self) -> None:
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async with FakeAlertmanagerServerWithoutAlert() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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alerts = await alertmanager.get_alerts()
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self.assertEqual([], alerts)
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async def test_get_alerts_raise_alertmanager_error(self) -> None:
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async with FakeAlertmanagerServerWithErrorAlerts() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertmanagerServerError):
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await alertmanager.get_alerts()
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async def test_get_silences_happy(self) -> None:
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async with FakeAlertmanagerServer() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silences = await alertmanager.get_silences()
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self.assertEqual(
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[
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{"id": "silence1", "status": {"state": "active"}},
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{"id": "silence2", "status": {"state": "expired"}},
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],
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silences,
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)
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async def test_get_silences_empty(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silences = await alertmanager.get_silences()
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self.assertEqual([], silences)
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async def test_get_silences_raise_alertmanager_error(self) -> None:
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async with FakeAlertmanagerServerWithErrorSilences() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertmanagerServerError):
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await alertmanager.get_silences()
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async def test_get_alert_happy(self) -> None:
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async with FakeAlertmanagerServer() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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alert = await alertmanager.get_alert("fingerprint1")
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self.assertEqual(
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{
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"fingerprint": "fingerprint1",
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"labels": {"alertname": "alert1"},
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"status": {"state": "active"},
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},
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alert,
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)
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async def test_get_alert_raise_alert_not_found(self) -> None:
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async with FakeAlertmanagerServerWithoutAlert() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertNotFoundError):
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await alertmanager.get_alert("fingerprint1")
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async def test_get_alert_raise_alertmanager_error(self) -> None:
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async with FakeAlertmanagerServerWithErrorAlerts() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertmanagerServerError):
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await alertmanager.get_alert("fingerprint1")
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async def test_get_silence_happy(self) -> None:
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async with FakeAlertmanagerServer() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silence1 = await alertmanager.get_silence("silence1")
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silence2 = await alertmanager.get_silence("silence2")
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self.assertEqual(
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{"id": "silence1", "status": {"state": "active"}},
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silence1,
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)
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self.assertEqual(
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{"id": "silence2", "status": {"state": "expired"}},
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silence2,
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)
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async def test_get_silence_raise_silence_not_found(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(SilenceNotFoundError):
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await alertmanager.get_silence("silence1")
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async def test_get_silence_raise_alertmanager_error(self) -> None:
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async with FakeAlertmanagerServerWithErrorSilences() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertmanagerServerError):
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await alertmanager.get_silence("silence1")
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@freeze_time(datetime.utcfromtimestamp(0))
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async def test_create_silence(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silence_id = await alertmanager.create_silence(
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"fingerprint1", "user", 86400
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)
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silence = await alertmanager.get_silence("silence1")
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self.assertEqual("silence1", silence_id)
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self.assertEqual(
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{
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"id": "silence1",
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"status": {"state": "active"},
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"matchers": [
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{
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"name": "alertname",
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"value": "alert1",
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"isRegex": False,
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"isEqual": True,
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}
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],
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"createdBy": "user",
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"startsAt": "1970-01-01T00:00:00",
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"endsAt": "1970-01-02T00:00:00",
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"comment": "Acknowledge alert from Matrix",
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},
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silence,
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)
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@freeze_time(datetime.utcfromtimestamp(0))
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async def test_create_silence_with_id(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silence_id = await alertmanager.create_silence(
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"fingerprint1", "user", 86400, "silence2"
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)
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silence = await alertmanager.get_silence("silence2")
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self.assertEqual("silence2", silence_id)
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self.assertEqual(
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{
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"id": "silence2",
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"status": {"state": "active"},
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"matchers": [
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{
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"name": "alertname",
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"value": "alert1",
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"isRegex": False,
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"isEqual": True,
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}
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],
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"createdBy": "user",
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"startsAt": "1970-01-01T00:00:00",
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"endsAt": "1970-01-02T00:00:00",
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"comment": "Acknowledge alert from Matrix",
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},
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silence,
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)
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@freeze_time(datetime.utcfromtimestamp(0))
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async def test_create_silence_with_indefinite_duration(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silence_id = await alertmanager.create_silence("fingerprint1", "user")
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silence = await alertmanager.get_silence("silence1")
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self.assertEqual("silence1", silence_id)
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self.assertEqual(
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{
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"id": "silence1",
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"status": {"state": "active"},
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"matchers": [
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{
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"name": "alertname",
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"value": "alert1",
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"isRegex": False,
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"isEqual": True,
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}
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],
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"createdBy": "user",
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"startsAt": "1970-01-01T00:00:00",
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"endsAt": "1980-01-01T00:00:00",
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"comment": "Acknowledge alert from Matrix",
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},
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silence,
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)
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@freeze_time(datetime.utcfromtimestamp(0))
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async def test_create_silence_with_max_duration(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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silence_id = await alertmanager.create_silence(
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"fingerprint1", "user", int(timedelta.max.total_seconds())
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)
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silence = await alertmanager.get_silence("silence1")
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self.assertEqual("silence1", silence_id)
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self.assertEqual(
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{
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"id": "silence1",
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"status": {"state": "active"},
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"matchers": [
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{
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"name": "alertname",
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"value": "alert1",
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"isRegex": False,
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"isEqual": True,
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}
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],
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"createdBy": "user",
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"startsAt": "1970-01-01T00:00:00",
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"endsAt": "1980-01-01T00:00:00",
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"comment": "Acknowledge alert from Matrix",
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},
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silence,
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)
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@freeze_time(datetime.utcfromtimestamp(0))
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async def test_create_silence_raise_duration_error(self) -> None:
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async with FakeAlertmanagerServerWithoutSilence() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(InvalidDurationError):
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await alertmanager.create_silence("fingerprint1", "user", -1)
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async def test_create_silence_raise_alert_not_found(self) -> None:
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async with FakeAlertmanagerServerWithoutAlert() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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with self.assertRaises(AlertNotFoundError):
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await alertmanager.create_silence("fingerprint1", "user")
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|
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async def test_create_silence_raise_alertmanager_error(self) -> None:
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async with FakeAlertmanagerServerWithErrorCreateSilence() as fake_alertmanager_server:
|
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port = fake_alertmanager_server.port
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alertmanager = AlertmanagerClient(
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f"http://localhost:{port}", self.fake_cache
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)
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async with aiotools.closing_async(alertmanager):
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await alertmanager.get_alert("fingerprint1")
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with self.assertRaises(AlertmanagerServerError):
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await alertmanager.create_silence("fingerprint1", "user")
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|
|
async def test_delete_silence(self) -> None:
|
|
async with FakeAlertmanagerServer() as fake_alertmanager_server:
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port = fake_alertmanager_server.port
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|
alertmanager = AlertmanagerClient(
|
|
f"http://localhost:{port}", self.fake_cache
|
|
)
|
|
async with aiotools.closing_async(alertmanager):
|
|
await alertmanager.delete_silence("silence1")
|
|
silences = await alertmanager.get_silences()
|
|
|
|
self.assertEqual([{"id": "silence2", "status": {"state": "expired"}}], silences)
|
|
|
|
async def test_delete_silence_raise_silence_expired(self) -> None:
|
|
async with FakeAlertmanagerServer() as fake_alertmanager_server:
|
|
port = fake_alertmanager_server.port
|
|
alertmanager = AlertmanagerClient(
|
|
f"http://localhost:{port}", self.fake_cache
|
|
)
|
|
async with aiotools.closing_async(alertmanager):
|
|
with self.assertRaises(SilenceExpiredError):
|
|
await alertmanager.delete_silence("silence2")
|
|
silences = await alertmanager.get_silences()
|
|
|
|
self.assertEqual(
|
|
[
|
|
{"id": "silence1", "status": {"state": "active"}},
|
|
{"id": "silence2", "status": {"state": "expired"}},
|
|
],
|
|
silences,
|
|
)
|
|
|
|
async def test_delete_silence_raise_alertmanager_error(self) -> None:
|
|
async with FakeAlertmanagerServerWithErrorDeleteSilence() as fake_alertmanager_server:
|
|
port = fake_alertmanager_server.port
|
|
alertmanager = AlertmanagerClient(
|
|
f"http://localhost:{port}", self.fake_cache
|
|
)
|
|
async with aiotools.closing_async(alertmanager):
|
|
await alertmanager.get_alert("fingerprint1")
|
|
|
|
with self.assertRaises(AlertmanagerServerError):
|
|
await alertmanager.delete_silence("silence1")
|
|
|
|
async def test_find_alert_happy(self) -> None:
|
|
alertmanager = AlertmanagerClient("http://localhost", self.fake_cache)
|
|
alert = alertmanager._find_alert(
|
|
"fingerprint1", [{"fingerprint": "fingerprint1"}]
|
|
)
|
|
self.assertEqual({"fingerprint": "fingerprint1"}, alert)
|
|
|
|
async def test_find_alert_raise_alert_not_found(self) -> None:
|
|
alertmanager = AlertmanagerClient("http://localhost", self.fake_cache)
|
|
|
|
with self.assertRaises(AlertNotFoundError):
|
|
alertmanager._find_alert("fingerprint1", [])
|
|
|
|
with self.assertRaises(AlertNotFoundError):
|
|
alertmanager._find_alert("fingerprint2", [{"fingerprint": "fingerprint1"}])
|
|
|
|
async def test_find_silence_happy(self) -> None:
|
|
alertmanager = AlertmanagerClient("http://localhost", self.fake_cache)
|
|
silence = alertmanager._find_silence("silence1", [{"id": "silence1"}])
|
|
self.assertEqual({"id": "silence1"}, silence)
|
|
|
|
async def test_find_silence_raise_silence_not_found(self) -> None:
|
|
alertmanager = AlertmanagerClient("http://localhost", self.fake_cache)
|
|
|
|
with self.assertRaises(SilenceNotFoundError):
|
|
alertmanager._find_silence("silence1", [])
|
|
|
|
with self.assertRaises(SilenceNotFoundError):
|
|
alertmanager._find_silence("silence2", [{"id": "silence1"}])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|