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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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dc9d7aedd5
* adds extra_label to all import apis, changes priority for extra_label - now it has priority over original labels * Update README.md Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com> * Update README.md Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com> * adds extra labels to vmagent import api changes order for adding labels, now its added after user values * adds tests for extra_label * import fix Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
package promremotewrite
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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/bytesutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompb"
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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/promremotewrite"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
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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="promremotewrite"}`)
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rowsPerInsert = metrics.NewHistogram(`vmagent_rows_per_insert{type="promremotewrite"}`)
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)
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// InsertHandler processes remote write for prometheus.
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func InsertHandler(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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return writeconcurrencylimiter.Do(func() error {
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return parser.ParseStream(req, func(tss []prompb.TimeSeries) error {
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return insertRows(tss, extraLabels)
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})
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})
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}
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func insertRows(timeseries []prompb.TimeSeries, extraLabels []prompbmarshal.Label) error {
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ctx := common.GetPushCtx()
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defer common.PutPushCtx(ctx)
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rowsTotal := 0
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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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for i := range timeseries {
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ts := ×eries[i]
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rowsTotal += len(ts.Samples)
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labelsLen := len(labels)
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for i := range ts.Labels {
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label := &ts.Labels[i]
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labels = append(labels, prompbmarshal.Label{
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Name: bytesutil.ToUnsafeString(label.Name),
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Value: bytesutil.ToUnsafeString(label.Value),
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})
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}
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labels = append(labels, extraLabels...)
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samplesLen := len(samples)
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for i := range ts.Samples {
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sample := &ts.Samples[i]
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samples = append(samples, prompbmarshal.Sample{
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Value: sample.Value,
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Timestamp: sample.Timestamp,
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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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}
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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(&ctx.WriteRequest)
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rowsInserted.Add(rowsTotal)
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rowsPerInsert.Update(float64(rowsTotal))
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return nil
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}
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