lotus/tools/stats/influx/influx.go
2022-06-15 12:06:22 +02:00

134 lines
2.8 KiB
Go

package influx
import (
"context"
"encoding/json"
"fmt"
"time"
_ "github.com/influxdata/influxdb1-client"
"github.com/influxdata/influxdb1-client/models"
client "github.com/influxdata/influxdb1-client/v2"
"github.com/filecoin-project/lotus/build"
)
type PointList struct {
points []models.Point
}
func NewPointList() *PointList {
return &PointList{}
}
func (pl *PointList) AddPoint(p models.Point) {
pl.points = append(pl.points, p)
}
func (pl *PointList) Points() []models.Point {
return pl.points
}
type WriteQueue struct {
ch chan client.BatchPoints
}
func NewWriteQueue(ctx context.Context, influx client.Client) *WriteQueue {
ch := make(chan client.BatchPoints, 128)
maxRetries := 10
go func() {
main:
for {
select {
case <-ctx.Done():
return
case batch := <-ch:
for i := 0; i < maxRetries; i++ {
if err := influx.Write(batch); err != nil {
log.Warnw("Failed to write batch", "error", err)
build.Clock.Sleep(3 * time.Second)
continue
}
continue main
}
log.Error("dropping batch due to failure to write")
}
}
}()
return &WriteQueue{
ch: ch,
}
}
func (i *WriteQueue) AddBatch(bp client.BatchPoints) {
i.ch <- bp
}
func (i *WriteQueue) Close() {
close(i.ch)
}
func NewClient(addr, user, pass string) (client.Client, error) {
return client.NewHTTPClient(client.HTTPConfig{
Addr: addr,
Username: user,
Password: pass,
})
}
func NewBatch() (client.BatchPoints, error) {
return client.NewBatchPoints(client.BatchPointsConfig{})
}
func NewPoint(name string, value interface{}) models.Point {
pt, _ := models.NewPoint(name, models.Tags{},
map[string]interface{}{"value": value}, build.Clock.Now().UTC())
return pt
}
func NewPointFrom(p models.Point) *client.Point {
return client.NewPointFrom(p)
}
func ResetDatabase(influx client.Client, database string) error {
log.Debug("resetting database")
q := client.NewQuery(fmt.Sprintf(`DROP DATABASE "%s"; CREATE DATABASE "%s";`, database, database), "", "")
_, err := influx.Query(q)
if err != nil {
return err
}
log.Infow("database reset", "database", database)
return nil
}
func GetLastRecordedHeight(influx client.Client, database string) (int64, error) {
log.Debug("retrieving last record height")
q := client.NewQuery(`SELECT "value" FROM "chain.height" ORDER BY time DESC LIMIT 1`, database, "")
res, err := influx.Query(q)
if err != nil {
return 0, err
}
if len(res.Results) == 0 {
return 0, fmt.Errorf("No results found for last recorded height")
}
if len(res.Results[0].Series) == 0 {
return 0, fmt.Errorf("No results found for last recorded height")
}
height, err := (res.Results[0].Series[0].Values[0][1].(json.Number)).Int64()
if err != nil {
return 0, err
}
log.Infow("last record height", "height", height)
return height, nil
}