From 55d5b3af8863167432017f23cd8a04a0c14c9d23 Mon Sep 17 00:00:00 2001 From: Amber Brown Date: Sat, 7 Sep 2019 01:45:51 +1000 Subject: Servers-known-about statistic (#5981) --- synapse/config/metrics.py | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'synapse/config') diff --git a/synapse/config/metrics.py b/synapse/config/metrics.py index 3698441963..653b990e67 100644 --- a/synapse/config/metrics.py +++ b/synapse/config/metrics.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2015, 2016 OpenMarket Ltd +# Copyright 2019 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. @@ -13,6 +14,8 @@ # See the License for the specific language governing permissions and # limitations under the License. +import attr + from ._base import Config, ConfigError MISSING_SENTRY = """Missing sentry-sdk library. This is required to enable sentry @@ -20,6 +23,18 @@ MISSING_SENTRY = """Missing sentry-sdk library. This is required to enable sentr """ +@attr.s +class MetricsFlags(object): + known_servers = attr.ib(default=False, validator=attr.validators.instance_of(bool)) + + @classmethod + def all_off(cls): + """ + Instantiate the flags with all options set to off. + """ + return cls(**{x.name: False for x in attr.fields(cls)}) + + class MetricsConfig(Config): def read_config(self, config, **kwargs): self.enable_metrics = config.get("enable_metrics", False) @@ -27,6 +42,12 @@ class MetricsConfig(Config): self.metrics_port = config.get("metrics_port") self.metrics_bind_host = config.get("metrics_bind_host", "127.0.0.1") + if self.enable_metrics: + _metrics_config = config.get("metrics_flags") or {} + self.metrics_flags = MetricsFlags(**_metrics_config) + else: + self.metrics_flags = MetricsFlags.all_off() + self.sentry_enabled = "sentry" in config if self.sentry_enabled: try: @@ -58,6 +79,16 @@ class MetricsConfig(Config): #sentry: # dsn: "..." + # Flags to enable Prometheus metrics which are not suitable to be + # enabled by default, either for performance reasons or limited use. + # + metrics_flags: + # Publish synapse_federation_known_servers, a g auge of the number of + # servers this homeserver knows about, including itself. May cause + # performance problems on large homeservers. + # + #known_servers: true + # Whether or not to report anonymized homeserver usage statistics. """ -- cgit 1.4.1