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logging.go
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logging.go
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package bucket
import (
"fmt"
"github.com/broadinstitute/thelma/internal/thelma/utils/logid"
"github.com/pkg/errors"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"sync"
"time"
)
// operationLogger logs details about a given GCS operation
type operationLogger struct {
operationKind string
objectName string
prefixedObjectName string
bucketPrefix string
bucketName string
mutex sync.Mutex
startTime time.Time
started bool
finished bool
}
func (i *operationLogger) operationStarted() {
i.mutex.Lock()
defer i.mutex.Unlock()
if i.started {
return
}
i.started = true
i.startTime = time.Now()
logger := i.logger()
logger.Trace().Msgf("%s %s", i.operationKind, i.objectUrl())
}
func (i *operationLogger) operationFinished(err error) error {
i.mutex.Lock()
defer i.mutex.Unlock()
if i.finished {
return err
}
i.finished = true
logger := i.logger()
duration := time.Since(i.startTime)
event := logger.Debug()
event.Dur("duration", duration)
if err != nil {
event.Str("status", "error")
event.Err(err)
returnErr := errors.Errorf("%s %q failed: %v", i.operationKind, i.objectUrl(), err)
event.Msgf(returnErr.Error())
return returnErr
}
event.Str("status", "ok")
event.Msgf("%s finished in %s", i.operationKind, duration)
return nil
}
func (i *operationLogger) objectUrl() string {
return fmt.Sprintf("gs://%s/%s", i.bucketName, i.prefixedObjectName)
}
func (i *operationLogger) logger() zerolog.Logger {
ctx := log.With().
Interface("bucket", struct {
Name string `json:"name"`
Prefix string `json:"prefix"`
}{
Name: i.bucketName,
Prefix: i.bucketPrefix,
}).
Interface("object", struct {
Name string `json:"name"`
Url string `json:"url"`
}{
Name: i.objectName,
Url: i.objectUrl(),
}).
Interface("call", struct {
Kind string `json:"kind"`
Id string `json:"id"`
}{
Kind: i.operationKind,
Id: logid.NewId(),
})
return ctx.Logger()
}