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statspayload.go
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/
statspayload.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metrics
import (
pb "github.com/DataDog/datadog-agent/pkg/proto/pbgo/trace"
"github.com/golang/protobuf/proto"
"go.opentelemetry.io/collector/pdata/pmetric"
"go.uber.org/zap"
)
// keyStatsPayload is the key for the stats payload in the attributes map.
// This is used as Metric name and Attribute key.
const keyStatsPayload = "dd.internal.stats.payload"
// StatsToMetrics converts a StatsPayload to a pdata.Metrics
func (t *Translator) StatsToMetrics(sp *pb.StatsPayload) (pmetric.Metrics, error) {
bytes, err := proto.Marshal(sp)
if err != nil {
t.logger.Error("Failed to marshal stats payload", zap.Error(err))
return pmetric.NewMetrics(), err
}
mmx := pmetric.NewMetrics()
rmx := mmx.ResourceMetrics().AppendEmpty()
smx := rmx.ScopeMetrics().AppendEmpty()
mslice := smx.Metrics()
mx := mslice.AppendEmpty()
mx.SetName(keyStatsPayload)
sum := mx.SetEmptySum()
sum.SetIsMonotonic(false)
dp := sum.DataPoints().AppendEmpty()
byteSlice := dp.Attributes().PutEmptyBytes(keyStatsPayload)
byteSlice.Append(bytes...)
return mmx, nil
}