Files
VictoriaMetrics/app/vminsert/csvimport/request_handler.go
Aliaksandr Valialkin f645479b5e lib/protoparser: rename lib/protoparser/common to lib/protoparser/protoparserutil
This improves readability of the code, which uses this package.
2025-03-18 16:24:51 +01:00

60 lines
1.7 KiB
Go

package csvimport
import (
"net/http"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport/stream"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/protoparserutil"
"github.com/VictoriaMetrics/metrics"
)
var (
rowsInserted = metrics.NewCounter(`vm_rows_inserted_total{type="csvimport"}`)
rowsPerInsert = metrics.NewHistogram(`vm_rows_per_insert{type="csvimport"}`)
)
// InsertHandler processes /api/v1/import/csv requests.
func InsertHandler(req *http.Request) error {
extraLabels, err := protoparserutil.GetExtraLabels(req)
if err != nil {
return err
}
return stream.Parse(req, func(rows []csvimport.Row) error {
return insertRows(rows, extraLabels)
})
}
func insertRows(rows []csvimport.Row, extraLabels []prompbmarshal.Label) error {
ctx := common.GetInsertCtx()
defer common.PutInsertCtx(ctx)
ctx.Reset(len(rows))
hasRelabeling := relabel.HasRelabeling()
for i := range rows {
r := &rows[i]
ctx.Labels = ctx.Labels[:0]
ctx.AddLabel("", r.Metric)
for j := range r.Tags {
tag := &r.Tags[j]
ctx.AddLabel(tag.Key, tag.Value)
}
for j := range extraLabels {
label := &extraLabels[j]
ctx.AddLabel(label.Name, label.Value)
}
if !ctx.TryPrepareLabels(hasRelabeling) {
continue
}
if err := ctx.WriteDataPoint(nil, ctx.Labels, r.Timestamp, r.Value); err != nil {
return err
}
}
rowsInserted.Add(len(rows))
rowsPerInsert.Update(float64(len(rows)))
return ctx.FlushBufs()
}