1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
# Copyright 2022 The Matrix.org Foundation C.I.C
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING
import attr
from synapse.metrics.background_process_metrics import run_as_background_process
if TYPE_CHECKING:
from synapse.server import HomeServer
from prometheus_client import Gauge
# Gauge to expose daily active users metrics
current_dau_gauge = Gauge(
"synapse_admin_daily_active_users",
"Current daily active users count",
)
@attr.s(auto_attribs=True)
class CommonUsageMetrics:
"""Usage metrics shared between the phone home stats and the prometheus exporter."""
daily_active_users: int
class CommonUsageMetricsManager:
"""Collects common usage metrics."""
def __init__(self, hs: "HomeServer") -> None:
self._store = hs.get_datastores().main
self._clock = hs.get_clock()
async def get_metrics(self) -> CommonUsageMetrics:
"""Get the CommonUsageMetrics object. If no collection has happened yet, do it
before returning the metrics.
Returns:
The CommonUsageMetrics object to read common metrics from.
"""
return await self._collect()
async def setup(self) -> None:
"""Keep the gauges for common usage metrics up to date."""
run_as_background_process(
desc="common_usage_metrics_update_gauges", func=self._update_gauges
)
self._clock.looping_call(
run_as_background_process,
5 * 60 * 1000,
desc="common_usage_metrics_update_gauges",
func=self._update_gauges,
)
async def _collect(self) -> CommonUsageMetrics:
"""Collect the common metrics and either create the CommonUsageMetrics object to
use if it doesn't exist yet, or update it.
"""
dau_count = await self._store.count_daily_users()
return CommonUsageMetrics(
daily_active_users=dau_count,
)
async def _update_gauges(self) -> None:
"""Update the Prometheus gauges."""
metrics = await self._collect()
current_dau_gauge.set(float(metrics.daily_active_users))
|
