Use HEAD instead of GET

Andrey Klimentyev · Andrey Klimentyev · commit ab19a9639447 · 2021-10-06T02:13:03.000+03:00
to circumvent possible Registry API rate limits
diff --git a/pkg/registry_checker/checker.go b/pkg/registry_checker/checker.go
@@ -261,7 +261,7 @@ func (rc *RegistryChecker) checkImageAvailability(log *logrus.Entry, imageName s
 				indexedKeychain := *kc
 				indexedKeychain.index = i
 
-				_, imgErr = remote.Image(ref, remote.WithAuthFromKeychain(&indexedKeychain), remote.WithTransport(rc.registryTransport))
+				_, imgErr = remote.Head(ref, remote.WithAuthFromKeychain(&indexedKeychain), remote.WithTransport(rc.registryTransport))
 
 				if imgErr != nil {
 					continue
@@ -272,7 +272,7 @@ func (rc *RegistryChecker) checkImageAvailability(log *logrus.Entry, imageName s
 				}
 			}
 		} else {
-			_, imgErr = remote.Image(ref, remote.WithTransport(rc.registryTransport))
+			_, imgErr = remote.Head(ref, remote.WithTransport(rc.registryTransport))
 		}
 
 		availMode = store.Available

Original file line number	Diff line number	Diff line change
`@@ -261,7 +261,7 @@ func (rc RegistryChecker) checkImageAvailability(log logrus.Entry, imageName s`
`261`	`261`	`indexedKeychain := *kc`
`262`	`262`	`indexedKeychain.index = i`
`263`	`263`
`264`		`- _, imgErr = remote.Image(ref, remote.WithAuthFromKeychain(&indexedKeychain), remote.WithTransport(rc.registryTransport))`
	`264`	`+ _, imgErr = remote.Head(ref, remote.WithAuthFromKeychain(&indexedKeychain), remote.WithTransport(rc.registryTransport))`
`265`	`265`
`266`	`266`	`if imgErr != nil {`
`267`	`267`	`continue`
`@@ -272,7 +272,7 @@ func (rc RegistryChecker) checkImageAvailability(log logrus.Entry, imageName s`
`272`	`272`	`}`
`273`	`273`	`}`
`274`	`274`	`} else {`
`275`		`- _, imgErr = remote.Image(ref, remote.WithTransport(rc.registryTransport))`
	`275`	`+ _, imgErr = remote.Head(ref, remote.WithTransport(rc.registryTransport))`
`276`	`276`	`}`
`277`	`277`
`278`	`278`	`availMode = store.Available`