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itd/metrics.go

132 lines
3.0 KiB
Go

package main
import (
"context"
"database/sql"
"path/filepath"
"time"
"github.com/rs/zerolog/log"
"go.arsenm.dev/infinitime"
_ "modernc.org/sqlite"
)
func initMetrics(ctx context.Context, dev *infinitime.Device) error {
// If metrics disabled, return nil
if !k.Bool("metrics.enabled") {
return nil
}
// Open metrics database
db, err := sql.Open("sqlite", filepath.Join(cfgDir, "metrics.db"))
if err != nil {
return err
}
// Create heartRate table
_, err = db.Exec("CREATE TABLE IF NOT EXISTS heartRate(time INT, bpm INT);")
if err != nil {
return err
}
// Create stepCount table
_, err = db.Exec("CREATE TABLE IF NOT EXISTS stepCount(time INT, steps INT);")
if err != nil {
return err
}
// Create battLevel table
_, err = db.Exec("CREATE TABLE IF NOT EXISTS battLevel(time INT, percent INT);")
if err != nil {
return err
}
// Create motion table
_, err = db.Exec("CREATE TABLE IF NOT EXISTS motion(time INT, X INT, Y INT, Z INT);")
if err != nil {
return err
}
// If heart rate metrics enabled in config
if k.Bool("metrics.heartRate.enabled") {
// Watch heart rate
heartRateCh, err := dev.WatchHeartRate(ctx)
if err != nil {
return err
}
go func() {
// For every heart rate sample
for heartRate := range heartRateCh {
// Get current time
unixTime := time.Now().UnixNano()
// Insert sample and time into database
db.Exec("INSERT INTO heartRate VALUES (?, ?);", unixTime, heartRate)
}
}()
}
// If step count metrics enabled in config
if k.Bool("metrics.stepCount.enabled") {
// Watch step count
stepCountCh, err := dev.WatchStepCount(ctx)
if err != nil {
return err
}
go func() {
// For every step count sample
for stepCount := range stepCountCh {
// Get current time
unixTime := time.Now().UnixNano()
// Insert sample and time into database
db.Exec("INSERT INTO stepCount VALUES (?, ?);", unixTime, stepCount)
}
}()
}
// If battery level metrics enabled in config
if k.Bool("metrics.battLevel.enabled") {
// Watch battery level
battLevelCh, err := dev.WatchBatteryLevel(ctx)
if err != nil {
return err
}
go func() {
// For every battery level sample
for battLevel := range battLevelCh {
// Get current time
unixTime := time.Now().UnixNano()
// Insert sample and time into database
db.Exec("INSERT INTO battLevel VALUES (?, ?);", unixTime, battLevel)
}
}()
}
// If motion metrics enabled in config
if k.Bool("metrics.motion.enabled") {
// Watch motion values
motionCh, err := dev.WatchMotion(ctx)
if err != nil {
return err
}
go func() {
// For every motion sample
for motionVals := range motionCh {
// Get current time
unixTime := time.Now().UnixNano()
// Insert sample values and time into database
db.Exec(
"INSERT INTO motion VALUES (?, ?, ?, ?);",
unixTime,
motionVals.X,
motionVals.Y,
motionVals.Z,
)
}
}()
}
log.Info().Msg("Initialized metrics collection")
return nil
}