VictoriaMetrics/app/vminsert/csvimport/request_handler.go

48 lines
1.4 KiB
Go

package csvimport
import (
"net/http"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/netstorage"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
"github.com/VictoriaMetrics/metrics"
)
var (
rowsInserted = tenantmetrics.NewCounterMap(`vm_rows_inserted_total{type="csvimport"}`)
rowsPerInsert = metrics.NewHistogram(`vm_rows_per_insert{type="csvimport"}`)
)
// InsertHandler processes /api/v1/import/csv requests.
func InsertHandler(at *auth.Token, req *http.Request) error {
return writeconcurrencylimiter.Do(func() error {
return parser.ParseStream(req, func(rows []parser.Row) error {
return insertRows(at, rows)
})
})
}
func insertRows(at *auth.Token, rows []parser.Row) error {
ctx := netstorage.GetInsertCtx()
defer netstorage.PutInsertCtx(ctx)
ctx.Reset() // This line is required for initializing ctx internals.
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)
}
if err := ctx.WriteDataPoint(at, ctx.Labels, r.Timestamp, r.Value); err != nil {
return err
}
}
rowsInserted.Get(at).Add(len(rows))
rowsPerInsert.Update(float64(len(rows)))
return ctx.FlushBufs()
}