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Add code to deep clean the DB to remove entries from people with 1 device that haven't been active in at least 90 days

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This commit is contained in:
David Dworken
2022-12-17 21:27:00 -08:00
parent 63a9f67771
commit 06a4bf0bcb
2 changed files with 105 additions and 30 deletions
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113
backend/server/server.go
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@ -549,11 +549,11 @@ func init() {
func cron(ctx context.Context) error {
err := updateReleaseVersion()
if err != nil {
fmt.Println(err)
panic(err)
}
err = cleanDatabase(ctx)
if err != nil {
fmt.Println(err)
panic(err)
}
return nil
}
@ -802,39 +802,92 @@ func byteCountToString(b int) string {
}
func cleanDatabase(ctx context.Context) error {
checkGormResult(GLOBAL_DB.WithContext(ctx).Exec("DELETE FROM enc_history_entries WHERE read_count > 10"))
checkGormResult(GLOBAL_DB.WithContext(ctx).Exec("DELETE FROM deletion_requests WHERE read_count > 100"))
// TODO(optimization): Clean the database by deleting entries for users that haven't been used in X amount of time
r := GLOBAL_DB.WithContext(ctx).Exec("DELETE FROM enc_history_entries WHERE read_count > 10")
if r.Error != nil {
return r.Error
}
r = GLOBAL_DB.WithContext(ctx).Exec("DELETE FROM deletion_requests WHERE read_count > 100")
if r.Error != nil {
return r.Error
}
return nil
}
func deepCleanDatabase(ctx context.Context) {
err := GLOBAL_DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
r := tx.Exec(`
CREATE TEMP TABLE temp_users_with_one_device AS (
SELECT user_id
FROM devices
GROUP BY user_id
HAVING COUNT(DISTINCT device_id) > 1
)
`)
if r.Error != nil {
return r.Error
}
r = tx.Exec(`
CREATE TEMP TABLE temp_inactive_users AS (
SELECT user_id
FROM usage_data
WHERE last_used <= (now() - INTERVAL '90 days')
)
`)
if r.Error != nil {
return r.Error
}
r = tx.Exec(`
SELECT COUNT(*) FROM enc_history_entries WHERE
date <= (now() - INTERVAL '90 days')
AND user_id IN (SELECT * FROM temp_users_with_one_device)
AND user_id IN (SELECT * FROM temp_inactive_users)
`)
if r.Error != nil {
return r.Error
}
fmt.Printf("Ran deep clean and deleted %d rows\n", r.RowsAffected)
return nil
})
if err != nil {
panic(fmt.Errorf("failed to deep clean DB: %v", err))
}
}
func configureObservability() func() {
err := profiler.Start(
profiler.WithService("hishtory-api"),
profiler.WithVersion(ReleaseVersion),
profiler.WithAPIKey(os.Getenv("DD_API_KEY")),
profiler.WithUDS("/var/run/datadog/apm.socket"),
profiler.WithProfileTypes(
profiler.CPUProfile,
profiler.HeapProfile,
),
)
if err != nil {
fmt.Printf("Failed to start DataDog profiler: %v\n", err)
}
tracer.Start(
tracer.WithRuntimeMetrics(),
tracer.WithService("hishtory-api"),
tracer.WithUDS("/var/run/datadog/apm.socket"),
)
defer tracer.Stop()
ddStats, err := statsd.New("unix:///var/run/datadog/dsd.socket")
if err != nil {
fmt.Printf("Failed to start DataDog statsd: %v\n", err)
}
GLOBAL_STATSD = ddStats
return func() {
profiler.Stop()
tracer.Stop()
}
}
func main() {
if isProductionEnvironment() {
err := profiler.Start(
profiler.WithService("hishtory-api"),
profiler.WithVersion(ReleaseVersion),
profiler.WithAPIKey(os.Getenv("DD_API_KEY")),
profiler.WithUDS("/var/run/datadog/apm.socket"),
profiler.WithProfileTypes(
profiler.CPUProfile,
profiler.HeapProfile,
),
)
if err != nil {
fmt.Printf("Failed to start DataDog profiler: %v\n", err)
}
defer profiler.Stop()
tracer.Start(
tracer.WithRuntimeMetrics(),
tracer.WithService("hishtory-api"),
tracer.WithUDS("/var/run/datadog/apm.socket"),
)
defer tracer.Stop()
ddStats, err := statsd.New("unix:///var/run/datadog/dsd.socket")
if err != nil {
fmt.Printf("Failed to start DataDog statsd: %v\n", err)
}
GLOBAL_STATSD = ddStats
go configureObservability()()
go deepCleanDatabase(context.Background())
}
mux := httptrace.NewServeMux()