forked from open-telemetry/opentelemetry-collector
/
logs.go
127 lines (107 loc) · 3.23 KB
/
logs.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package exporterhelper // import "go.opentelemetry.io/collector/exporter/exporterhelper"
import (
"context"
"errors"
"github.com/xvilaca-te/opentelemetry-collector-personal/exporter"
"github.com/xvilaca-te/opentelemetry-collector-personal/exporter/exporterhelper/internal"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumererror"
"go.opentelemetry.io/collector/pdata/plog"
)
var logsMarshaler = &plog.ProtoMarshaler{}
var logsUnmarshaler = &plog.ProtoUnmarshaler{}
type logsRequest struct {
baseRequest
ld plog.Logs
pusher consumer.ConsumeLogsFunc
}
func newLogsRequest(ctx context.Context, ld plog.Logs, pusher consumer.ConsumeLogsFunc) internal.Request {
return &logsRequest{
baseRequest: baseRequest{ctx: ctx},
ld: ld,
pusher: pusher,
}
}
func newLogsRequestUnmarshalerFunc(pusher consumer.ConsumeLogsFunc) internal.RequestUnmarshaler {
return func(bytes []byte) (internal.Request, error) {
logs, err := logsUnmarshaler.UnmarshalLogs(bytes)
if err != nil {
return nil, err
}
return newLogsRequest(context.Background(), logs, pusher), nil
}
}
func (req *logsRequest) OnError(err error) internal.Request {
var logError consumererror.Logs
if errors.As(err, &logError) {
return newLogsRequest(req.ctx, logError.Data(), req.pusher)
}
return req
}
func (req *logsRequest) Export(ctx context.Context) error {
return req.pusher(ctx, req.ld)
}
func (req *logsRequest) Marshal() ([]byte, error) {
return logsMarshaler.MarshalLogs(req.ld)
}
func (req *logsRequest) Count() int {
return req.ld.LogRecordCount()
}
type logsExporter struct {
*baseExporter
consumer.Logs
}
// NewLogsExporter creates an exporter.Logs that records observability metrics and wraps every request with a Span.
func NewLogsExporter(
_ context.Context,
set exporter.CreateSettings,
cfg component.Config,
pusher consumer.ConsumeLogsFunc,
options ...Option,
) (exporter.Logs, error) {
if cfg == nil {
return nil, errNilConfig
}
if set.Logger == nil {
return nil, errNilLogger
}
if pusher == nil {
return nil, errNilPushLogsData
}
bs := fromOptions(options...)
be, err := newBaseExporter(set, bs, component.DataTypeLogs, newLogsRequestUnmarshalerFunc(pusher))
if err != nil {
return nil, err
}
be.wrapConsumerSender(func(nextSender requestSender) requestSender {
return &logsExporterWithObservability{
obsrep: be.obsrep,
nextSender: nextSender,
}
})
lc, err := consumer.NewLogs(func(ctx context.Context, ld plog.Logs) error {
req := newLogsRequest(ctx, ld, pusher)
serr := be.sender.send(req)
if errors.Is(serr, errSendingQueueIsFull) {
be.obsrep.recordLogsEnqueueFailure(req.Context(), int64(req.Count()))
}
return serr
}, bs.consumerOptions...)
return &logsExporter{
baseExporter: be,
Logs: lc,
}, err
}
type logsExporterWithObservability struct {
obsrep *obsExporter
nextSender requestSender
}
func (lewo *logsExporterWithObservability) send(req internal.Request) error {
req.SetContext(lewo.obsrep.StartLogsOp(req.Context()))
err := lewo.nextSender.send(req)
lewo.obsrep.EndLogsOp(req.Context(), req.Count(), err)
return err
}