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stopper.go
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stopper.go
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package workers
import (
"context"
"errors"
"fmt"
"github.com/kubeshop/tracetest/agent/event"
"github.com/kubeshop/tracetest/agent/proto"
"go.uber.org/zap"
)
type StopperWorker struct {
logger *zap.Logger
observer event.Observer
cancelContexts *cancelCauseFuncMap
}
type StopperOption func(*StopperWorker)
func WithStopperCancelFuncList(cancelContexts *cancelCauseFuncMap) StopperOption {
return func(tw *StopperWorker) {
tw.cancelContexts = cancelContexts
}
}
func WithStopperObserver(observer event.Observer) StopperOption {
return func(tw *StopperWorker) {
tw.observer = observer
}
}
func NewStopperWorker(opts ...StopperOption) *StopperWorker {
worker := &StopperWorker{
logger: zap.NewNop(),
observer: event.NewNopObserver(),
}
for _, opt := range opts {
opt(worker)
}
return worker
}
func (w *StopperWorker) SetLogger(logger *zap.Logger) {
w.logger = logger
}
func (w *StopperWorker) Stop(ctx context.Context, stopRequest *proto.StopRequest) error {
w.logger.Debug("Stop request received", zap.Any("stopRequest", stopRequest))
w.observer.StartStopRequest(stopRequest)
cacheKey := key(stopRequest.TestID, stopRequest.RunID)
cancelFn, found := w.cancelContexts.Get(cacheKey)
if !found {
err := fmt.Errorf("cancel func for StopRequest not found")
w.logger.Error(err.Error(), zap.String("testID", stopRequest.TestID), zap.Int32("runID", stopRequest.RunID))
w.observer.EndStopRequest(stopRequest, err)
return err
}
cancelFn(errors.New(stopRequest.Type))
w.observer.EndStopRequest(stopRequest, nil)
return nil
}