/
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 loggingexporter // import "go.opentelemetry.io/collector/exporter/loggingexporter"
import (
"context"
"time"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/exporter/exporterhelper"
)
const (
// The value of "type" key in configuration.
typeStr = "logging"
defaultSamplingInitial = 2
defaultSamplingThereafter = 500
)
// NewFactory creates a factory for Logging exporter
func NewFactory() component.ExporterFactory {
return component.NewExporterFactory(
typeStr,
createDefaultConfig,
component.WithTracesExporter(createTracesExporter, component.StabilityLevelInDevelopment),
component.WithMetricsExporter(createMetricsExporter, component.StabilityLevelInDevelopment),
component.WithLogsExporter(createLogsExporter, component.StabilityLevelInDevelopment),
)
}
func createDefaultConfig() config.Exporter {
return &Config{
ExporterSettings: config.NewExporterSettings(config.NewComponentID(typeStr)),
LogLevel: zapcore.InfoLevel,
SamplingInitial: defaultSamplingInitial,
SamplingThereafter: defaultSamplingThereafter,
}
}
func createTracesExporter(ctx context.Context, set component.ExporterCreateSettings, config config.Exporter) (component.TracesExporter, error) {
cfg := config.(*Config)
exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
s := newLoggingExporter(exporterLogger, cfg.LogLevel)
return exporterhelper.NewTracesExporterWithContext(ctx, set, cfg,
s.pushTraces,
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// Disable Timeout/RetryOnFailure and SendingQueue
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
exporterhelper.WithShutdown(loggerSync(exporterLogger)),
)
}
func createMetricsExporter(ctx context.Context, set component.ExporterCreateSettings, config config.Exporter) (component.MetricsExporter, error) {
cfg := config.(*Config)
exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
s := newLoggingExporter(exporterLogger, cfg.LogLevel)
return exporterhelper.NewMetricsExporterWithContext(ctx, set, cfg,
s.pushMetrics,
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// Disable Timeout/RetryOnFailure and SendingQueue
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
exporterhelper.WithShutdown(loggerSync(exporterLogger)),
)
}
func createLogsExporter(ctx context.Context, set component.ExporterCreateSettings, config config.Exporter) (component.LogsExporter, error) {
cfg := config.(*Config)
exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
s := newLoggingExporter(exporterLogger, cfg.LogLevel)
return exporterhelper.NewLogsExporterWithContext(ctx, set, cfg,
s.pushLogs,
exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
// Disable Timeout/RetryOnFailure and SendingQueue
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
exporterhelper.WithShutdown(loggerSync(exporterLogger)),
)
}
func createLogger(cfg *Config, logger *zap.Logger) *zap.Logger {
core := zapcore.NewSamplerWithOptions(
logger.Core(),
1*time.Second,
cfg.SamplingInitial,
cfg.SamplingThereafter,
)
return zap.New(core)
}