mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-01 14:47:38 +00:00
89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
package native
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import (
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"net/http"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/common"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
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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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"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/native/stream"
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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(`vmagent_rows_inserted_total{type="native"}`)
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rowsTenantInserted = tenantmetrics.NewCounterMap(`vmagent_tenant_inserted_rows_total{type="native"}`)
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rowsPerInsert = metrics.NewHistogram(`vmagent_rows_per_insert{type="native"}`)
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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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isGzip := req.Header.Get("Content-Encoding") == "gzip"
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return stream.Parse(req.Body, isGzip, func(block *stream.Block) error {
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return insertRows(at, block, extraLabels)
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})
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}
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func insertRows(at *auth.Token, block *stream.Block, extraLabels []prompbmarshal.Label) error {
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ctx := common.GetPushCtx()
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defer common.PutPushCtx(ctx)
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// Update rowsInserted and rowsPerInsert before actual inserting,
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// since relabeling can prevent from inserting the rows.
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rowsLen := len(block.Values)
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rowsInserted.Add(rowsLen)
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if at != nil {
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rowsTenantInserted.Get(at).Add(rowsLen)
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}
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rowsPerInsert.Update(float64(rowsLen))
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tssDst := ctx.WriteRequest.Timeseries[:0]
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labels := ctx.Labels[:0]
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samples := ctx.Samples[:0]
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mn := &block.MetricName
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labelsLen := len(labels)
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labels = append(labels, prompbmarshal.Label{
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Name: "__name__",
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Value: bytesutil.ToUnsafeString(mn.MetricGroup),
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})
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for j := range mn.Tags {
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tag := &mn.Tags[j]
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labels = append(labels, prompbmarshal.Label{
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Name: bytesutil.ToUnsafeString(tag.Key),
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Value: bytesutil.ToUnsafeString(tag.Value),
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})
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}
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labels = append(labels, extraLabels...)
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values := block.Values
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timestamps := block.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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samplesLen := len(samples)
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for j, value := range values {
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samples = append(samples, prompbmarshal.Sample{
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Value: value,
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Timestamp: timestamps[j],
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})
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}
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tssDst = append(tssDst, prompbmarshal.TimeSeries{
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Labels: labels[labelsLen:],
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Samples: samples[samplesLen:],
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})
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ctx.WriteRequest.Timeseries = tssDst
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ctx.Labels = labels
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ctx.Samples = samples
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remotewrite.Push(at, &ctx.WriteRequest)
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return nil
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}
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