Allow building storage-provisioner for other arch

Also allow building the static binary in docker

Makefile

@@ -81,6 +81,12 @@ BUILD_OS := $(shell uname -s)
 SHA512SUM=$(shell command -v sha512sum || echo "shasum -a 512")
 
 STORAGE_PROVISIONER_TAG := v1.8.1
+# TODO: multi-arch manifest
+ifeq ($(GOARCH),amd64)
+STORAGE_PROVISIONER_IMAGE ?= $(REGISTRY)/storage-provisioner:$(STORAGE_PROVISIONER_TAG)
+else
+STORAGE_PROVISIONER_IMAGE ?= $(REGISTRY)/storage-provisioner-$(GOARCH):$(STORAGE_PROVISIONER_TAG)
+endif
 
 # Set the version information for the Kubernetes servers
 MINIKUBE_LDFLAGS := -X k8s.io/minikube/pkg/version.version=$(VERSION) -X k8s.io/minikube/pkg/version.isoVersion=$(ISO_VERSION) -X k8s.io/minikube/pkg/version.isoPath=$(ISO_BUCKET) -X k8s.io/minikube/pkg/version.gitCommitID=$(COMMIT)
@@ -472,17 +478,20 @@ $(ISO_BUILD_IMAGE): deploy/iso/minikube-iso/Dockerfile
 	@echo ""
 	@echo "$(@) successfully built"
 
-out/storage-provisioner:
-	CGO_ENABLED=0 GOOS=linux go build -o $@ -ldflags=$(PROVISIONER_LDFLAGS) cmd/storage-provisioner/main.go
+out/storage-provisioner: out/storage-provisioner-$(GOARCH)
+	cp $< $@
 
-.PHONY: storage-provisioner-image
-storage-provisioner-image: out/storage-provisioner ## Build storage-provisioner docker image
-ifeq ($(GOARCH),amd64)
-	docker build -t $(REGISTRY)/storage-provisioner:$(STORAGE_PROVISIONER_TAG) -f deploy/storage-provisioner/Dockerfile  .
+out/storage-provisioner-%: cmd/storage-provisioner/main.go pkg/storage/storage_provisioner.go
+ifeq ($(MINIKUBE_BUILD_IN_DOCKER),y)
+	$(call DOCKER,$(BUILD_IMAGE),/usr/bin/make $@)
 else
-	docker build -t $(REGISTRY)/storage-provisioner-$(GOARCH):$(STORAGE_PROVISIONER_TAG) -f deploy/storage-provisioner/Dockerfile-$(GOARCH) .
+	CGO_ENABLED=0 GOOS=linux GOARCH=$* go build -o $@ -ldflags=$(PROVISIONER_LDFLAGS) cmd/storage-provisioner/main.go
 endif
 
+.PHONY: storage-provisioner-image
+storage-provisioner-image: out/storage-provisioner-$(GOARCH) ## Build storage-provisioner docker image
+	docker build -t $(STORAGE_PROVISIONER_IMAGE) -f deploy/storage-provisioner/Dockerfile  --build-arg arch=$(GOARCH) .
+
 .PHONY: kic-base-image
 kic-base-image: ## builds the base image used for kic.
 	docker rmi -f $(REGISTRY)/kicbase:v0.0.1-snapshot || true
@@ -492,11 +501,7 @@ kic-base-image: ## builds the base image used for kic.
 
 .PHONY: push-storage-provisioner-image
 push-storage-provisioner-image: storage-provisioner-image ## Push storage-provisioner docker image using gcloud
-ifeq ($(GOARCH),amd64)
-	gcloud docker -- push $(REGISTRY)/storage-provisioner:$(STORAGE_PROVISIONER_TAG)
-else
-	gcloud docker -- push $(REGISTRY)/storage-provisioner-$(GOARCH):$(STORAGE_PROVISIONER_TAG)
-endif
+	gcloud docker -- push $(STORAGE_PROVISIONER_IMAGE)
 
 .PHONY: out/gvisor-addon
 out/gvisor-addon: pkg/minikube/assets/assets.go pkg/minikube/translate/translations.go ## Build gvisor addon

deploy/storage-provisioner/Dockerfile

@@ -13,5 +13,6 @@
 # limitations under the License.
 
 FROM scratch
-COPY out/storage-provisioner storage-provisioner
+ARG arch
+COPY out/storage-provisioner-${arch} storage-provisioner
 CMD ["/storage-provisioner"]

deploy/storage-provisioner/Dockerfile-s390x

-# Copyright 2016 The Kubernetes Authors All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-FROM s390x/ubuntu:16.04
-COPY out/storage-provisioner storage-provisioner
-CMD ["/storage-provisioner"]