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Diffstat (limited to 'synapse/app/phone_stats_home.py')
-rw-r--r-- | synapse/app/phone_stats_home.py | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/synapse/app/phone_stats_home.py b/synapse/app/phone_stats_home.py new file mode 100644 index 0000000000..2c8e14a8c0 --- /dev/null +++ b/synapse/app/phone_stats_home.py @@ -0,0 +1,202 @@ +# Copyright 2020 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. + +import logging +import math +import resource +import sys + +from prometheus_client import Gauge + +from synapse.metrics.background_process_metrics import run_as_background_process + +logger = logging.getLogger("synapse.app.homeserver") + +# Contains the list of processes we will be monitoring +# currently either 0 or 1 +_stats_process = [] + +# Gauges to expose monthly active user control metrics +current_mau_gauge = Gauge("synapse_admin_mau:current", "Current MAU") +current_mau_by_service_gauge = Gauge( + "synapse_admin_mau_current_mau_by_service", + "Current MAU by service", + ["app_service"], +) +max_mau_gauge = Gauge("synapse_admin_mau:max", "MAU Limit") +registered_reserved_users_mau_gauge = Gauge( + "synapse_admin_mau:registered_reserved_users", + "Registered users with reserved threepids", +) + + +async def phone_stats_home(hs, stats, stats_process=_stats_process): + logger.info("Gathering stats for reporting") + now = int(hs.get_clock().time()) + uptime = int(now - hs.start_time) + if uptime < 0: + uptime = 0 + + # + # Performance statistics. Keep this early in the function to maintain reliability of `test_performance_100` test. + # + old = stats_process[0] + new = (now, resource.getrusage(resource.RUSAGE_SELF)) + stats_process[0] = new + + # Get RSS in bytes + stats["memory_rss"] = new[1].ru_maxrss + + # Get CPU time in % of a single core, not % of all cores + used_cpu_time = (new[1].ru_utime + new[1].ru_stime) - ( + old[1].ru_utime + old[1].ru_stime + ) + if used_cpu_time == 0 or new[0] == old[0]: + stats["cpu_average"] = 0 + else: + stats["cpu_average"] = math.floor(used_cpu_time / (new[0] - old[0]) * 100) + + # + # General statistics + # + + stats["homeserver"] = hs.config.server_name + stats["server_context"] = hs.config.server_context + stats["timestamp"] = now + stats["uptime_seconds"] = uptime + version = sys.version_info + stats["python_version"] = "{}.{}.{}".format( + version.major, version.minor, version.micro + ) + stats["total_users"] = await hs.get_datastore().count_all_users() + + total_nonbridged_users = await hs.get_datastore().count_nonbridged_users() + stats["total_nonbridged_users"] = total_nonbridged_users + + daily_user_type_results = await hs.get_datastore().count_daily_user_type() + for name, count in daily_user_type_results.items(): + stats["daily_user_type_" + name] = count + + room_count = await hs.get_datastore().get_room_count() + stats["total_room_count"] = room_count + + stats["daily_active_users"] = await hs.get_datastore().count_daily_users() + stats["monthly_active_users"] = await hs.get_datastore().count_monthly_users() + stats["daily_active_rooms"] = await hs.get_datastore().count_daily_active_rooms() + stats["daily_messages"] = await hs.get_datastore().count_daily_messages() + + r30_results = await hs.get_datastore().count_r30_users() + for name, count in r30_results.items(): + stats["r30_users_" + name] = count + + daily_sent_messages = await hs.get_datastore().count_daily_sent_messages() + stats["daily_sent_messages"] = daily_sent_messages + stats["cache_factor"] = hs.config.caches.global_factor + stats["event_cache_size"] = hs.config.caches.event_cache_size + + # + # Database version + # + + # This only reports info about the *main* database. + stats["database_engine"] = hs.get_datastore().db_pool.engine.module.__name__ + stats["database_server_version"] = hs.get_datastore().db_pool.engine.server_version + + logger.info("Reporting stats to %s: %s" % (hs.config.report_stats_endpoint, stats)) + try: + await hs.get_proxied_http_client().put_json( + hs.config.report_stats_endpoint, stats + ) + except Exception as e: + logger.warning("Error reporting stats: %s", e) + + +def start_phone_stats_home(hs): + """ + Start the background tasks which report phone home stats. + """ + clock = hs.get_clock() + + stats = {} + + def performance_stats_init(): + _stats_process.clear() + _stats_process.append( + (int(hs.get_clock().time()), resource.getrusage(resource.RUSAGE_SELF)) + ) + + def start_phone_stats_home(): + return run_as_background_process( + "phone_stats_home", phone_stats_home, hs, stats + ) + + def generate_user_daily_visit_stats(): + return run_as_background_process( + "generate_user_daily_visits", hs.get_datastore().generate_user_daily_visits + ) + + # Rather than update on per session basis, batch up the requests. + # If you increase the loop period, the accuracy of user_daily_visits + # table will decrease + clock.looping_call(generate_user_daily_visit_stats, 5 * 60 * 1000) + + # monthly active user limiting functionality + def reap_monthly_active_users(): + return run_as_background_process( + "reap_monthly_active_users", hs.get_datastore().reap_monthly_active_users + ) + + clock.looping_call(reap_monthly_active_users, 1000 * 60 * 60) + reap_monthly_active_users() + + async def generate_monthly_active_users(): + current_mau_count = 0 + current_mau_count_by_service = {} + reserved_users = () + store = hs.get_datastore() + if hs.config.limit_usage_by_mau or hs.config.mau_stats_only: + current_mau_count = await store.get_monthly_active_count() + current_mau_count_by_service = ( + await store.get_monthly_active_count_by_service() + ) + reserved_users = await store.get_registered_reserved_users() + current_mau_gauge.set(float(current_mau_count)) + + for app_service, count in current_mau_count_by_service.items(): + current_mau_by_service_gauge.labels(app_service).set(float(count)) + + registered_reserved_users_mau_gauge.set(float(len(reserved_users))) + max_mau_gauge.set(float(hs.config.max_mau_value)) + + def start_generate_monthly_active_users(): + return run_as_background_process( + "generate_monthly_active_users", generate_monthly_active_users + ) + + if hs.config.limit_usage_by_mau or hs.config.mau_stats_only: + start_generate_monthly_active_users() + clock.looping_call(start_generate_monthly_active_users, 5 * 60 * 1000) + # End of monthly active user settings + + if hs.config.report_stats: + logger.info("Scheduling stats reporting for 3 hour intervals") + clock.looping_call(start_phone_stats_home, 3 * 60 * 60 * 1000) + + # We need to defer this init for the cases that we daemonize + # otherwise the process ID we get is that of the non-daemon process + clock.call_later(0, performance_stats_init) + + # We wait 5 minutes to send the first set of stats as the server can + # be quite busy the first few minutes + clock.call_later(5 * 60, start_phone_stats_home) |