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config: add support for logger provider configuration
Signed-off-by: Alex Boten <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package config // import "go.opentelemetry.io/contrib/config" | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp" | ||
| "go.opentelemetry.io/otel/log" | ||
| "go.opentelemetry.io/otel/log/noop" | ||
| sdklog "go.opentelemetry.io/otel/sdk/log" | ||
| "go.opentelemetry.io/otel/sdk/resource" | ||
| ) | ||
|
|
||
| func loggerProvider(cfg configOptions, res *resource.Resource) (log.LoggerProvider, shutdownFunc, error) { | ||
| if cfg.opentelemetryConfig.LoggerProvider == nil { | ||
| return noop.NewLoggerProvider(), noopShutdown, nil | ||
| } | ||
| opts := []sdklog.LoggerProviderOption{ | ||
| sdklog.WithResource(res), | ||
| } | ||
| var errs []error | ||
| for _, processor := range cfg.opentelemetryConfig.LoggerProvider.Processors { | ||
| sp, err := logProcessor(cfg.ctx, processor) | ||
| if err == nil { | ||
| opts = append(opts, sdklog.WithProcessor(sp)) | ||
| } else { | ||
| errs = append(errs, err) | ||
| } | ||
| } | ||
|
|
||
| if len(errs) > 0 { | ||
| return noop.NewLoggerProvider(), noopShutdown, errors.Join(errs...) | ||
| } | ||
|
|
||
| lp := sdklog.NewLoggerProvider(opts...) | ||
| return lp, lp.Shutdown, nil | ||
| } | ||
|
|
||
| func logProcessor(ctx context.Context, processor LogRecordProcessor) (sdklog.Processor, error) { | ||
| if processor.Batch != nil && processor.Simple != nil { | ||
| return nil, errors.New("must not specify multiple log processor type") | ||
| } | ||
| if processor.Batch != nil { | ||
| exp, err := logExporter(ctx, processor.Batch.Exporter) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return batchLogProcessor(processor.Batch, exp) | ||
| } | ||
| if processor.Simple != nil { | ||
| exp, err := logExporter(ctx, processor.Simple.Exporter) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return sdklog.NewSimpleProcessor(exp), nil | ||
| } | ||
| return nil, fmt.Errorf("unsupported log processor type, must be one of simple or batch") | ||
| } | ||
|
|
||
| func logExporter(ctx context.Context, exporter LogRecordExporter) (sdklog.Exporter, error) { | ||
| if exporter.OTLP != nil { | ||
| switch exporter.OTLP.Protocol { | ||
| case protocolProtobufHTTP: | ||
| return otlpHTTPLogExporter(ctx, exporter.OTLP) | ||
| default: | ||
| return nil, fmt.Errorf("unsupported protocol %q", exporter.OTLP.Protocol) | ||
| } | ||
| } | ||
| return nil, errors.New("no valid log exporter") | ||
| } | ||
|
|
||
| func batchLogProcessor(blp *BatchLogRecordProcessor, exp sdklog.Exporter) (*sdklog.BatchProcessor, error) { | ||
| var opts []sdklog.BatchProcessorOption | ||
| if blp.ExportTimeout != nil { | ||
| if *blp.ExportTimeout < 0 { | ||
| return nil, fmt.Errorf("invalid export timeout %d", *blp.ExportTimeout) | ||
| } | ||
| opts = append(opts, sdklog.WithExportTimeout(time.Millisecond*time.Duration(*blp.ExportTimeout))) | ||
| } | ||
| if blp.MaxExportBatchSize != nil { | ||
| if *blp.MaxExportBatchSize < 0 { | ||
| return nil, fmt.Errorf("invalid batch size %d", *blp.MaxExportBatchSize) | ||
| } | ||
| opts = append(opts, sdklog.WithExportMaxBatchSize(*blp.MaxExportBatchSize)) | ||
| } | ||
| if blp.MaxQueueSize != nil { | ||
| if *blp.MaxQueueSize < 0 { | ||
| return nil, fmt.Errorf("invalid queue size %d", *blp.MaxQueueSize) | ||
| } | ||
| opts = append(opts, sdklog.WithMaxQueueSize(*blp.MaxQueueSize)) | ||
| } | ||
|
|
||
| if blp.ScheduleDelay != nil { | ||
| if *blp.ScheduleDelay < 0 { | ||
| return nil, fmt.Errorf("invalid schedule delay %d", *blp.ScheduleDelay) | ||
| } | ||
| opts = append(opts, sdklog.WithExportInterval(time.Millisecond*time.Duration(*blp.ScheduleDelay))) | ||
| } | ||
|
|
||
| return sdklog.NewBatchProcessor(exp, opts...), nil | ||
| } | ||
|
|
||
| func otlpHTTPLogExporter(ctx context.Context, otlpConfig *OTLP) (sdklog.Exporter, error) { | ||
| var opts []otlploghttp.Option | ||
|
|
||
| if len(otlpConfig.Endpoint) > 0 { | ||
| u, err := url.ParseRequestURI(otlpConfig.Endpoint) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| opts = append(opts, otlploghttp.WithEndpoint(u.Host)) | ||
|
|
||
| if u.Scheme == "http" { | ||
| opts = append(opts, otlploghttp.WithInsecure()) | ||
| } | ||
| if len(u.Path) > 0 { | ||
| opts = append(opts, otlploghttp.WithURLPath(u.Path)) | ||
| } | ||
| } | ||
| if otlpConfig.Compression != nil { | ||
| switch *otlpConfig.Compression { | ||
| case compressionGzip: | ||
| opts = append(opts, otlploghttp.WithCompression(otlploghttp.GzipCompression)) | ||
| case compressionNone: | ||
| opts = append(opts, otlploghttp.WithCompression(otlploghttp.NoCompression)) | ||
| default: | ||
| return nil, fmt.Errorf("unsupported compression %q", *otlpConfig.Compression) | ||
| } | ||
| } | ||
| if otlpConfig.Timeout != nil && *otlpConfig.Timeout > 0 { | ||
| opts = append(opts, otlploghttp.WithTimeout(time.Millisecond*time.Duration(*otlpConfig.Timeout))) | ||
| } | ||
| if len(otlpConfig.Headers) > 0 { | ||
| opts = append(opts, otlploghttp.WithHeaders(otlpConfig.Headers)) | ||
| } | ||
|
|
||
| return otlploghttp.New(ctx, opts...) | ||
| } |
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