internal/boot: adapt to aws sdk v2

internal/cloud/awscloud/awscloud.go

@@ -180,6 +180,11 @@ func NewForEndpointFromFile(filename, endpoint, region, caBundle string, skipSSL
 	return newAwsFromCredsWithEndpoint(config.WithSharedCredentialsFiles([]string{filename, "default"}), region, endpoint, caBundle, skipSSLVerification)
 }
 
+// This is used by the internal/boot test, which access the ec2 apis directly
+func (a *AWS) EC2ForTestsOnly() EC2 {
+	return a.ec2
+}
+
 func (a *AWS) Upload(filename, bucket, key string) (*manager.UploadOutput, error) {
 	file, err := os.Open(filename)
 	if err != nil {
@@ -627,3 +632,19 @@ func (a *AWS) Regions() ([]string, error) {
 	}
 	return result, nil
 }
+
+func (a *AWS) DescribeImagesByName(name string) (*ec2.DescribeImagesOutput, error) {
+	return a.ec2.DescribeImages(
+		context.Background(),
+		&ec2.DescribeImagesInput{
+			Filters: []ec2types.Filter{
+				{
+					Name: aws.String("name"),
+					Values: []string{
+						name,
+					},
+				},
+			},
+		},
+	)
+}