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// 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.
package util
import (
"bytes"
"context"
"encoding/json"
"math"
"net/http"
"runtime"
"syscall"
"time"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/userapi/storage"
)
type phoneHomeStats struct {
prevData timestampToRUUsage
stats map[string]interface{}
serverName gomatrixserverlib.ServerName
startTime time.Time
cfg *config.Dendrite
db storage.Statistics
isMonolith bool
client *http.Client
}
type timestampToRUUsage struct {
timestamp int64
usage syscall.Rusage
}
func StartPhoneHomeCollector(startTime time.Time, cfg *config.Dendrite, statsDB storage.Statistics) {
p := phoneHomeStats{
startTime: startTime,
serverName: cfg.Global.ServerName,
cfg: cfg,
db: statsDB,
isMonolith: cfg.IsMonolith,
client: &http.Client{
Timeout: time.Second * 30,
Transport: http.DefaultTransport,
},
}
// start initial run after 5min
time.AfterFunc(time.Minute*5, p.collect)
// run every 3 hours
ticker := time.NewTicker(time.Hour * 3)
for range ticker.C {
p.collect()
}
}
func (p *phoneHomeStats) collect() {
p.stats = make(map[string]interface{})
// general information
p.stats["homeserver"] = p.serverName
p.stats["monolith"] = p.isMonolith
p.stats["version"] = internal.VersionString()
p.stats["timestamp"] = time.Now().Unix()
p.stats["go_version"] = runtime.Version()
p.stats["go_arch"] = runtime.GOARCH
p.stats["go_os"] = runtime.GOOS
p.stats["num_cpu"] = runtime.NumCPU()
p.stats["num_go_routine"] = runtime.NumGoroutine()
p.stats["uptime_seconds"] = math.Floor(time.Since(p.startTime).Seconds())
ctx, cancel := context.WithTimeout(context.TODO(), time.Minute*1)
defer cancel()
// cpu and memory usage information
err := getMemoryStats(p)
if err != nil {
logrus.WithError(err).Warn("unable to get memory/cpu stats, using defaults")
}
// configuration information
p.stats["federation_disabled"] = p.cfg.Global.DisableFederation
natsEmbedded := len(p.cfg.Global.JetStream.Addresses) == 0
p.stats["nats_embedded"] = natsEmbedded
p.stats["nats_in_memory"] = p.cfg.Global.JetStream.InMemory && natsEmbedded
if len(p.cfg.Logging) > 0 {
p.stats["log_level"] = p.cfg.Logging[0].Level
} else {
p.stats["log_level"] = "info"
}
// message and room stats
// TODO: Find a solution to actually set this value
p.stats["total_room_count"] = 0
messageStats, activeRooms, activeE2EERooms, err := p.db.DailyRoomsMessages(ctx, p.serverName)
if err != nil {
logrus.WithError(err).Warn("unable to query message stats, using default values")
}
p.stats["daily_messages"] = messageStats.Messages
p.stats["daily_sent_messages"] = messageStats.SentMessages
p.stats["daily_e2ee_messages"] = messageStats.MessagesE2EE
p.stats["daily_sent_e2ee_messages"] = messageStats.SentMessagesE2EE
p.stats["daily_active_rooms"] = activeRooms
p.stats["daily_active_e2ee_rooms"] = activeE2EERooms
// user stats and DB engine
userStats, db, err := p.db.UserStatistics(ctx)
if err != nil {
logrus.WithError(err).Warn("unable to query userstats, using default values")
}
p.stats["database_engine"] = db.Engine
p.stats["database_server_version"] = db.Version
p.stats["total_users"] = userStats.AllUsers
p.stats["total_nonbridged_users"] = userStats.NonBridgedUsers
p.stats["daily_active_users"] = userStats.DailyUsers
p.stats["monthly_active_users"] = userStats.MonthlyUsers
for t, c := range userStats.RegisteredUsersByType {
p.stats["daily_user_type_"+t] = c
}
for t, c := range userStats.R30Users {
p.stats["r30_users_"+t] = c
}
for t, c := range userStats.R30UsersV2 {
p.stats["r30v2_users_"+t] = c
}
output := bytes.Buffer{}
if err = json.NewEncoder(&output).Encode(p.stats); err != nil {
logrus.WithError(err).Error("Unable to encode phone-home statistics")
return
}
logrus.Infof("Reporting stats to %s: %s", p.cfg.Global.ReportStats.Endpoint, output.String())
request, err := http.NewRequestWithContext(ctx, http.MethodPost, p.cfg.Global.ReportStats.Endpoint, &output)
if err != nil {
logrus.WithError(err).Error("Unable to create phone-home statistics request")
return
}
request.Header.Set("User-Agent", "Dendrite/"+internal.VersionString())
_, err = p.client.Do(request)
if err != nil {
logrus.WithError(err).Error("Unable to send phone-home statistics")
return
}
}
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