input/otlp/timestamps.go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 otlp

import (
	"time"

	"go.opentelemetry.io/collector/pdata/pcommon"
)

// exportTimestamp extracts the `telemetry.sdk.elastic_export_timestamp`
// resource attribute as a timestamp, and returns a boolean indicating
// whether the attribute was found.
func exportTimestamp(resource pcommon.Resource) (time.Time, bool) {
	attr, ok := resource.Attributes().Get("telemetry.sdk.elastic_export_timestamp")
	if !ok {
		return time.Time{}, false
	}
	nsec := attr.Int()
	return time.Unix(0, nsec), nsec > 0
}