mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-22 20:06:07 +02:00
7fc24d2b14
* Change the signature of Export method * Pass tests for otlp exporter * Pass tests for otlp grpc and http packages * Update opencensus bridge * Refactor and pass tests for stdoutmetric package * Update periodic reader tests * Update changelog * Apply suggestions * Apply suggestions * Update CHANGELOG.md --------- Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package opencensus // import "go.opentelemetry.io/otel/bridge/opencensus"
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import (
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"context"
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ocmetricdata "go.opencensus.io/metric/metricdata"
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"go.opencensus.io/metric/metricexport"
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"go.opencensus.io/metric/metricproducer"
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"go.opentelemetry.io/otel"
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internal "go.opentelemetry.io/otel/bridge/opencensus/internal/ocmetric"
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"go.opentelemetry.io/otel/sdk/instrumentation"
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"go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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const scopeName = "go.opentelemetry.io/otel/bridge/opencensus"
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type producer struct {
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manager *metricproducer.Manager
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}
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// NewMetricProducer returns a metric.Producer that fetches metrics from
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// OpenCensus.
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func NewMetricProducer() metric.Producer {
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return &producer{
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manager: metricproducer.GlobalManager(),
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}
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}
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func (p *producer) Produce(context.Context) ([]metricdata.ScopeMetrics, error) {
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producers := p.manager.GetAll()
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data := []*ocmetricdata.Metric{}
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for _, ocProducer := range producers {
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data = append(data, ocProducer.Read()...)
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}
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otelmetrics, err := internal.ConvertMetrics(data)
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if len(otelmetrics) == 0 {
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return nil, err
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}
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return []metricdata.ScopeMetrics{{
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Scope: instrumentation.Scope{
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Name: scopeName,
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},
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Metrics: otelmetrics,
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}}, err
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}
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// exporter implements the OpenCensus metric Exporter interface using an
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// OpenTelemetry base exporter.
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type exporter struct {
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base metric.Exporter
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res *resource.Resource
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}
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// NewMetricExporter returns an OpenCensus exporter that exports to an
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// OpenTelemetry (push) exporter.
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// Deprecated: Use NewMetricProducer instead.
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func NewMetricExporter(base metric.Exporter, res *resource.Resource) metricexport.Exporter {
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return &exporter{base: base, res: res}
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}
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// ExportMetrics implements the OpenCensus metric Exporter interface by sending
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// to an OpenTelemetry exporter.
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func (e *exporter) ExportMetrics(ctx context.Context, ocmetrics []*ocmetricdata.Metric) error {
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otelmetrics, err := internal.ConvertMetrics(ocmetrics)
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if err != nil {
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otel.Handle(err)
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}
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if len(otelmetrics) == 0 {
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return nil
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}
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return e.base.Export(ctx, &metricdata.ResourceMetrics{
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Resource: e.res,
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ScopeMetrics: []metricdata.ScopeMetrics{
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{
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Scope: instrumentation.Scope{
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Name: scopeName,
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},
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Metrics: otelmetrics,
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},
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}})
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}
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