126 lines
4.8 KiB
Go
126 lines
4.8 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 loggingexporter // import "go.opentelemetry.io/collector/exporter/loggingexporter"
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import (
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"context"
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"sync"
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"time"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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"go.opentelemetry.io/collector/component"
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"go.opentelemetry.io/collector/config/configtelemetry"
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"go.opentelemetry.io/collector/consumer"
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"go.opentelemetry.io/collector/exporter/exporterhelper"
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)
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const (
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// The value of "type" key in configuration.
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typeStr = "logging"
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defaultSamplingInitial = 2
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defaultSamplingThereafter = 500
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)
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var onceWarnLogLevel sync.Once
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// NewFactory creates a factory for Logging exporter
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func NewFactory() component.ExporterFactory {
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return component.NewExporterFactory(
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typeStr,
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createDefaultConfig,
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component.WithTracesExporter(createTracesExporter, component.StabilityLevelInDevelopment),
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component.WithMetricsExporter(createMetricsExporter, component.StabilityLevelInDevelopment),
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component.WithLogsExporter(createLogsExporter, component.StabilityLevelInDevelopment),
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)
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}
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func createDefaultConfig() component.ExporterConfig {
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return &Config{
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ExporterConfigSettings: component.NewExporterConfigSettings(component.NewID(typeStr)),
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LogLevel: zapcore.InfoLevel,
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Verbosity: configtelemetry.LevelNormal,
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SamplingInitial: defaultSamplingInitial,
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SamplingThereafter: defaultSamplingThereafter,
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}
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}
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func createTracesExporter(ctx context.Context, set component.ExporterCreateSettings, config component.ExporterConfig) (component.TracesExporter, error) {
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cfg := config.(*Config)
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exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
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s := newLoggingExporter(exporterLogger, cfg.Verbosity)
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return exporterhelper.NewTracesExporter(ctx, set, cfg,
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s.pushTraces,
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exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
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// Disable Timeout/RetryOnFailure and SendingQueue
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exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
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exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
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exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
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exporterhelper.WithShutdown(loggerSync(exporterLogger)),
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)
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}
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func createMetricsExporter(ctx context.Context, set component.ExporterCreateSettings, config component.ExporterConfig) (component.MetricsExporter, error) {
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cfg := config.(*Config)
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exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
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s := newLoggingExporter(exporterLogger, cfg.Verbosity)
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return exporterhelper.NewMetricsExporter(ctx, set, cfg,
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s.pushMetrics,
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exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
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// Disable Timeout/RetryOnFailure and SendingQueue
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exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
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exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
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exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
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exporterhelper.WithShutdown(loggerSync(exporterLogger)),
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)
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}
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func createLogsExporter(ctx context.Context, set component.ExporterCreateSettings, config component.ExporterConfig) (component.LogsExporter, error) {
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cfg := config.(*Config)
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exporterLogger := createLogger(cfg, set.TelemetrySettings.Logger)
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s := newLoggingExporter(exporterLogger, cfg.Verbosity)
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return exporterhelper.NewLogsExporter(ctx, set, cfg,
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s.pushLogs,
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exporterhelper.WithCapabilities(consumer.Capabilities{MutatesData: false}),
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// Disable Timeout/RetryOnFailure and SendingQueue
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exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
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exporterhelper.WithRetry(exporterhelper.RetrySettings{Enabled: false}),
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exporterhelper.WithQueue(exporterhelper.QueueSettings{Enabled: false}),
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exporterhelper.WithShutdown(loggerSync(exporterLogger)),
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)
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}
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func createLogger(cfg *Config, logger *zap.Logger) *zap.Logger {
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if cfg.warnLogLevel {
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onceWarnLogLevel.Do(func() {
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logger.Warn(
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"'loglevel' option is deprecated in favor of 'verbosity'. Set 'verbosity' to equivalent value to preserve behavior.",
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zap.Stringer("loglevel", cfg.LogLevel),
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zap.Stringer("equivalent verbosity level", cfg.Verbosity),
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)
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})
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}
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core := zapcore.NewSamplerWithOptions(
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logger.Core(),
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1*time.Second,
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cfg.SamplingInitial,
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cfg.SamplingThereafter,
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)
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return zap.New(core)
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}
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