/
factory.go
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/
factory.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 otlphttpexporter // import "go.opentelemetry.io/collector/exporter/otlphttpexporter"
import (
"context"
"fmt"
"net/url"
"time"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/exporter/exporterhelper"
)
const (
// The value of "type" key in configuration.
typeStr = "otlphttp"
)
// NewFactory creates a factory for OTLP exporter.
func NewFactory() component.ExporterFactory {
return exporterhelper.NewFactory(
typeStr,
createDefaultConfig,
exporterhelper.WithTraces(createTracesExporter),
exporterhelper.WithMetrics(createMetricsExporter),
exporterhelper.WithLogs(createLogsExporter))
}
func createDefaultConfig() config.Exporter {
return &Config{
ExporterSettings: config.NewExporterSettings(config.NewComponentID(typeStr)),
RetrySettings: exporterhelper.DefaultRetrySettings(),
QueueSettings: exporterhelper.DefaultQueueSettings(),
HTTPClientSettings: confighttp.HTTPClientSettings{
Endpoint: "",
Timeout: 30 * time.Second,
Headers: map[string]string{},
// We almost read 0 bytes, so no need to tune ReadBufferSize.
WriteBufferSize: 512 * 1024,
},
}
}
func composeSignalURL(oCfg *Config, signalOverrideURL string, signalName string) (string, error) {
switch {
case signalOverrideURL != "":
_, err := url.Parse(signalOverrideURL)
if err != nil {
return "", fmt.Errorf("%s_endpoint must be a valid URL", signalName)
}
return signalOverrideURL, nil
case oCfg.Endpoint == "":
return "", fmt.Errorf("either endpoint or %s_endpoint must be specified", signalName)
default:
return oCfg.Endpoint + "/v1/" + signalName, nil
}
}
func createTracesExporter(
_ context.Context,
set component.ExporterCreateSettings,
cfg config.Exporter,
) (component.TracesExporter, error) {
oce, err := newExporter(cfg, set)
if err != nil {
return nil, err
}
oCfg := cfg.(*Config)
oce.tracesURL, err = composeSignalURL(oCfg, oCfg.TracesEndpoint, "traces")
if err != nil {
return nil, err
}
return exporterhelper.NewTracesExporter(
cfg,
set,
oce.pushTraces,
exporterhelper.WithStart(oce.start),
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// explicitly disable since we rely on http.Client timeout logic.
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(oCfg.RetrySettings),
exporterhelper.WithQueue(oCfg.QueueSettings))
}
func createMetricsExporter(
_ context.Context,
set component.ExporterCreateSettings,
cfg config.Exporter,
) (component.MetricsExporter, error) {
oce, err := newExporter(cfg, set)
if err != nil {
return nil, err
}
oCfg := cfg.(*Config)
oce.metricsURL, err = composeSignalURL(oCfg, oCfg.MetricsEndpoint, "metrics")
if err != nil {
return nil, err
}
return exporterhelper.NewMetricsExporter(
cfg,
set,
oce.pushMetrics,
exporterhelper.WithStart(oce.start),
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// explicitly disable since we rely on http.Client timeout logic.
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(oCfg.RetrySettings),
exporterhelper.WithQueue(oCfg.QueueSettings))
}
func createLogsExporter(
_ context.Context,
set component.ExporterCreateSettings,
cfg config.Exporter,
) (component.LogsExporter, error) {
oce, err := newExporter(cfg, set)
if err != nil {
return nil, err
}
oCfg := cfg.(*Config)
oce.logsURL, err = composeSignalURL(oCfg, oCfg.LogsEndpoint, "logs")
if err != nil {
return nil, err
}
return exporterhelper.NewLogsExporter(
cfg,
set,
oce.pushLogs,
exporterhelper.WithStart(oce.start),
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// explicitly disable since we rely on http.Client timeout logic.
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(oCfg.RetrySettings),
exporterhelper.WithQueue(oCfg.QueueSettings))
}