github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/daemon/images/image_events.go (about)

     1  package images // import "github.com/docker/docker/daemon/images"
     2  
     3  import (
     4  	"github.com/docker/docker/api/types/events"
     5  )
     6  
     7  // LogImageEvent generates an event related to an image with only the default attributes.
     8  func (i *ImageService) LogImageEvent(imageID, refName, action string) {
     9  	i.LogImageEventWithAttributes(imageID, refName, action, map[string]string{})
    10  }
    11  
    12  // LogImageEventWithAttributes generates an event related to an image with specific given attributes.
    13  func (i *ImageService) LogImageEventWithAttributes(imageID, refName, action string, attributes map[string]string) {
    14  	img, err := i.GetImage(imageID, nil)
    15  	if err == nil && img.Config != nil {
    16  		// image has not been removed yet.
    17  		// it could be missing if the event is `delete`.
    18  		copyAttributes(attributes, img.Config.Labels)
    19  	}
    20  	if refName != "" {
    21  		attributes["name"] = refName
    22  	}
    23  	actor := events.Actor{
    24  		ID:         imageID,
    25  		Attributes: attributes,
    26  	}
    27  
    28  	i.eventsService.Log(action, events.ImageEventType, actor)
    29  }
    30  
    31  // copyAttributes guarantees that labels are not mutated by event triggers.
    32  func copyAttributes(attributes, labels map[string]string) {
    33  	if labels == nil {
    34  		return
    35  	}
    36  	for k, v := range labels {
    37  		attributes[k] = v
    38  	}
    39  }