Move go build to image-utils

test/images/netexec/Makefile

@@ -12,16 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-BIN=netexec
+SRCS=netexec
 ARCH ?= amd64
 TARGET ?= $(CURDIR)
 GOLANG_VERSION ?= latest
+SRC_DIR = $(notdir $(shell pwd))
+export
 
 bin:
-	docker run --rm -it -v $(TARGET):$(TARGET):Z -v `pwd`/../../../:/go/src/k8s.io/kubernetes:Z \
-	golang:$(GOLANG_VERSION) \
-	/bin/bash -c "\
-		cd /go/src/k8s.io/kubernetes/test/images/netexec && \
-		CGO_ENABLED=0 GOARM=$(GOARM) GOARCH=$(ARCH) go build -a -installsuffix cgo --ldflags '-w' -o $(TARGET)/$(BIN) ."
+	../image-util.sh bin $(SRCS)
 
 .PHONY: bin