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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:https://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 awsemfexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awsemfexporter"
import (
"context"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/exporter/exporterhelper"
"go.uber.org/zap"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/awsutil"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/resourcetotelemetry"
)
const (
// The value of "type" key in configuration.
typeStr = "awsemf"
// The stability level of the exporter.
stability = component.StabilityLevelBeta
)
// NewFactory creates a factory for AWS EMF exporter.
func NewFactory() exporter.Factory {
return exporter.NewFactory(
typeStr,
createDefaultConfig,
exporter.WithMetrics(createMetricsExporter, stability))
}
// CreateDefaultConfig creates the default configuration for exporter.
func createDefaultConfig() component.Config {
return &Config{
AWSSessionSettings: awsutil.CreateDefaultSessionConfig(),
LogGroupName: "",
LogStreamName: "",
Namespace: "",
DimensionRollupOption: "ZeroAndSingleDimensionRollup",
Version: "1",
RetainInitialValueOfDeltaMetric: false,
OutputDestination: "cloudwatch",
logger: zap.NewNop(),
}
}
// createMetricsExporter creates a metrics exporter based on this config.
func createMetricsExporter(ctx context.Context, params exporter.CreateSettings, config component.Config) (exporter.Metrics, error) {
expCfg := config.(*Config)
emfExp, err := newEmfExporter(expCfg, params)
if err != nil {
return nil, err
}
exporter, err := exporterhelper.NewMetricsExporter(
ctx,
params,
config,
emfExp.pushMetricsData,
exporterhelper.WithShutdown(emfExp.shutdown),
)
if err != nil {
return nil, err
}
return resourcetotelemetry.WrapMetricsExporter(expCfg.ResourceToTelemetrySettings, exporter), nil
}