package opentsdb import ( "io" "github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/netstorage" "github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel" "github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/tenantmetrics" "github.com/VictoriaMetrics/VictoriaMetrics/lib/auth" parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdb" "github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter" "github.com/VictoriaMetrics/metrics" "github.com/valyala/fastjson/fastfloat" ) var ( rowsInserted = metrics.NewCounter(`vm_rows_inserted_total{type="opentsdb"}`) rowsPerInsert = metrics.NewHistogram(`vm_rows_per_insert{type="opentsdb"}`) ) // InsertHandler processes remote write for OpenTSDB put protocol. // // See http://opentsdb.net/docs/build/html/api_telnet/put.html func InsertHandler(at *auth.Token, r io.Reader) error { return writeconcurrencylimiter.Do(func() error { return parser.ParseStream(r, 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. atCopy := *at 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] if atCopy.AccountID == 0 { // Multi-tenancy support via custom tags. // Do not allow overriding AccountID and ProjectID from atCopy for security reasons. if tag.Key == "VictoriaMetrics_AccountID" { atCopy.AccountID = uint32(fastfloat.ParseUint64BestEffort(tag.Value)) } if atCopy.ProjectID == 0 && tag.Key == "VictoriaMetrics_ProjectID" { atCopy.ProjectID = uint32(fastfloat.ParseUint64BestEffort(tag.Value)) } } ctx.AddLabel(tag.Key, tag.Value) } if hasRelabeling { ctx.ApplyRelabeling() } if len(ctx.Labels) == 0 { // Skip metric without labels. continue } if err := ctx.WriteDataPoint(&atCopy, ctx.Labels, r.Timestamp, r.Value); err != nil { return err } } // Assume that all the rows for a single connection belong to the same (AccountID, ProjectID). rowsInserted.Add(len(rows)) tenantmetrics.RowsInsertedByTenant.Get(&atCopy).Add(len(rows)) rowsPerInsert.Update(float64(len(rows))) return ctx.FlushBufs() }