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factory.go
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factory.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package azuredataexplorerexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/azuredataexplorerexporter"
import (
"context"
"errors"
"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/exporter/azuredataexplorerexporter/internal/metadata"
)
const (
// The value of "type" key in configuration.
managedIngestType = "managed"
queuedIngestTest = "queued"
otelDb = "oteldb"
defaultMetricTable = "OTELMetrics"
defaultLogTable = "OTELLogs"
defaultTraceTable = "OTELTraces"
metricsType = 1
logsType = 2
tracesType = 3
)
// Creates a factory for the ADX Exporter
func NewFactory() exporter.Factory {
return exporter.NewFactory(
metadata.Type,
createDefaultConfig,
exporter.WithTraces(createTracesExporter, metadata.TracesStability),
exporter.WithMetrics(createMetricsExporter, metadata.MetricsStability),
exporter.WithLogs(createLogsExporter, metadata.LogsStability),
)
}
// Create default configurations
func createDefaultConfig() component.Config {
return &Config{
Database: otelDb,
MetricTable: defaultMetricTable,
LogTable: defaultLogTable,
TraceTable: defaultTraceTable,
IngestionType: queuedIngestTest,
}
}
func createMetricsExporter(
ctx context.Context,
set exporter.CreateSettings,
config component.Config,
) (exporter.Metrics, error) {
if config == nil {
return nil, errors.New("nil config")
}
adxCfg := config.(*Config)
setDefaultIngestionType(adxCfg, set.Logger)
version := set.BuildInfo.Version
// call the common exporter function in baseexporter. This ensures that the client and the ingest
// are initialized and the metrics struct are available for operations
adp, err := newExporter(adxCfg, set.Logger, metricsType, version)
if err != nil {
return nil, err
}
exporter, err := exporterhelper.NewMetricsExporter(
ctx,
set,
adxCfg,
adp.metricsDataPusher,
exporterhelper.WithTimeout(adxCfg.TimeoutSettings),
exporterhelper.WithRetry(adxCfg.BackOffConfig),
exporterhelper.WithQueue(adxCfg.QueueSettings),
exporterhelper.WithShutdown(adp.Close))
if err != nil {
return nil, err
}
return exporter, nil
}
func createTracesExporter(
ctx context.Context,
set exporter.CreateSettings,
config component.Config,
) (exporter.Traces, error) {
adxCfg := config.(*Config)
setDefaultIngestionType(adxCfg, set.Logger)
version := set.BuildInfo.Version
// call the common exporter function in baseexporter. This ensures that the client and the ingest
// are initialized and the metrics struct are available for operations
adp, err := newExporter(adxCfg, set.Logger, tracesType, version)
if err != nil {
return nil, err
}
exporter, err := exporterhelper.NewTracesExporter(
ctx,
set,
adxCfg,
adp.tracesDataPusher,
exporterhelper.WithTimeout(adxCfg.TimeoutSettings),
exporterhelper.WithRetry(adxCfg.BackOffConfig),
exporterhelper.WithQueue(adxCfg.QueueSettings),
exporterhelper.WithShutdown(adp.Close))
if err != nil {
return nil, err
}
return exporter, nil
}
func createLogsExporter(
ctx context.Context,
set exporter.CreateSettings,
config component.Config,
) (exp exporter.Logs, err error) {
adxCfg := config.(*Config)
setDefaultIngestionType(adxCfg, set.Logger)
version := set.BuildInfo.Version
// call the common exporter function in baseexporter. This ensures that the client and the ingest
// are initialized and the metrics struct are available for operations
adp, err := newExporter(adxCfg, set.Logger, logsType, version)
if err != nil {
return nil, err
}
exporter, err := exporterhelper.NewLogsExporter(
ctx,
set,
adxCfg,
adp.logsDataPusher,
exporterhelper.WithTimeout(adxCfg.TimeoutSettings),
exporterhelper.WithRetry(adxCfg.BackOffConfig),
exporterhelper.WithQueue(adxCfg.QueueSettings),
exporterhelper.WithShutdown(adp.Close))
if err != nil {
return nil, err
}
return exporter, nil
}
func setDefaultIngestionType(config *Config, logger *zap.Logger) {
// If ingestion type is not set , it falls back to queued ingestion.
// This form of ingestion is always available on all clusters
if config.IngestionType == "" {
logger.Warn("Ingestion type is not set , will be defaulted to queued ingestion")
config.IngestionType = queuedIngestTest
}
}