github.com/openshift/installer@v1.4.17/pkg/destroy/powervs/errortracker.go (about)

     1  package powervs
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/sirupsen/logrus"
     7  )
     8  
     9  const (
    10  	suppressDuration = time.Minute * 5
    11  )
    12  
    13  // errorTracker holds a history of errors.
    14  type errorTracker struct {
    15  	history map[string]time.Time
    16  }
    17  
    18  // suppressWarning logs errors WARN once every duration and the rest to DEBUG.
    19  func (o *errorTracker) suppressWarning(identifier string, err error, logger logrus.FieldLogger) {
    20  	if o.history == nil {
    21  		o.history = map[string]time.Time{}
    22  	}
    23  	if firstSeen, ok := o.history[identifier]; ok {
    24  		if time.Since(firstSeen) > suppressDuration {
    25  			logger.Warn(err)
    26  			o.history[identifier] = time.Now() // reset the clock
    27  		} else {
    28  			logger.Debug(err)
    29  		}
    30  	} else { // first error for this identifier
    31  		o.history[identifier] = time.Now()
    32  		logger.Debug(err)
    33  	}
    34  }