mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-01 14:47:38 +00:00
87 lines
3 KiB
Go
87 lines
3 KiB
Go
package vmimport
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import (
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"net/http"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/netstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
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parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
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parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport/stream"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
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"github.com/VictoriaMetrics/metrics"
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)
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var (
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rowsInserted = metrics.NewCounter(`vm_rows_inserted_total{type="vmimport"}`)
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rowsTenantInserted = tenantmetrics.NewCounterMap(`vm_tenant_inserted_rows_total{type="vmimport"}`)
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rowsPerInsert = metrics.NewHistogram(`vm_rows_per_insert{type="vmimport"}`)
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)
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// InsertHandler processes `/api/v1/import` request.
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//
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// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6
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func InsertHandler(at *auth.Token, req *http.Request) error {
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extraLabels, err := parserCommon.GetExtraLabels(req)
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if err != nil {
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return err
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}
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isGzipped := req.Header.Get("Content-Encoding") == "gzip"
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return stream.Parse(req.Body, isGzipped, func(rows []parser.Row) error {
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return insertRows(at, rows, extraLabels)
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})
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}
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func insertRows(at *auth.Token, rows []parser.Row, extraLabels []prompbmarshal.Label) error {
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ctx := netstorage.GetInsertCtx()
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defer netstorage.PutInsertCtx(ctx)
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ctx.Reset() // This line is required for initializing ctx internals.
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rowsTotal := 0
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perTenantRows := make(map[auth.Token]int)
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hasRelabeling := relabel.HasRelabeling()
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for i := range rows {
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r := &rows[i]
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rowsTotal += len(r.Values)
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ctx.Labels = ctx.Labels[:0]
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for j := range r.Tags {
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tag := &r.Tags[j]
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ctx.AddLabelBytes(tag.Key, tag.Value)
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}
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for j := range extraLabels {
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label := &extraLabels[j]
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ctx.AddLabel(label.Name, label.Value)
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}
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if hasRelabeling {
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ctx.ApplyRelabeling()
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}
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if len(ctx.Labels) == 0 {
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// Skip metric without labels.
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continue
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}
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ctx.SortLabelsIfNeeded()
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atLocal := ctx.GetLocalAuthToken(at)
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ctx.MetricNameBuf = storage.MarshalMetricNameRaw(ctx.MetricNameBuf[:0], atLocal.AccountID, atLocal.ProjectID, ctx.Labels)
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storageNodeIdx := ctx.GetStorageNodeIdx(atLocal, ctx.Labels)
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values := r.Values
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timestamps := r.Timestamps
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if len(timestamps) != len(values) {
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logger.Panicf("BUG: len(timestamps)=%d must match len(values)=%d", len(timestamps), len(values))
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}
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for j, value := range values {
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timestamp := timestamps[j]
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if err := ctx.WriteDataPointExt(storageNodeIdx, ctx.MetricNameBuf, timestamp, value); err != nil {
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return err
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}
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}
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perTenantRows[*atLocal] += len(r.Values)
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}
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rowsInserted.Add(rowsTotal)
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rowsTenantInserted.MultiAdd(perTenantRows)
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rowsPerInsert.Update(float64(rowsTotal))
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return ctx.FlushBufs()
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}
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