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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2022 The Matrix.org Foundation C.I.C
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import TYPE_CHECKING
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import attr
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from synapse.metrics.background_process_metrics import run_as_background_process
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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from prometheus_client import Gauge
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# Gauge to expose daily active users metrics
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current_dau_gauge = Gauge(
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"synapse_admin_daily_active_users",
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"Current daily active users count",
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)
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@attr.s(auto_attribs=True)
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class CommonUsageMetrics:
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"""Usage metrics shared between the phone home stats and the prometheus exporter."""
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daily_active_users: int
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class CommonUsageMetricsManager:
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"""Collects common usage metrics."""
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def __init__(self, hs: "HomeServer") -> None:
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self._store = hs.get_datastores().main
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self._clock = hs.get_clock()
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async def get_metrics(self) -> CommonUsageMetrics:
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"""Get the CommonUsageMetrics object. If no collection has happened yet, do it
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before returning the metrics.
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Returns:
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The CommonUsageMetrics object to read common metrics from.
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"""
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return await self._collect()
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async def setup(self) -> None:
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"""Keep the gauges for common usage metrics up to date."""
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run_as_background_process(
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desc="common_usage_metrics_update_gauges", func=self._update_gauges
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)
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self._clock.looping_call(
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run_as_background_process,
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5 * 60 * 1000,
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desc="common_usage_metrics_update_gauges",
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func=self._update_gauges,
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)
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async def _collect(self) -> CommonUsageMetrics:
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"""Collect the common metrics and either create the CommonUsageMetrics object to
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use if it doesn't exist yet, or update it.
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"""
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dau_count = await self._store.count_daily_users()
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return CommonUsageMetrics(
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daily_active_users=dau_count,
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)
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async def _update_gauges(self) -> None:
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"""Update the Prometheus gauges."""
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metrics = await self._collect()
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current_dau_gauge.set(float(metrics.daily_active_users))
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