Re-add docker multi-platform support

Dockerfile

@@ -1,8 +1,6 @@
-ARG GOLANG_IMAGE
-ARG BUILD_OS_DISTRI
-ARG BUILD_OS_VERSION
+ARG GO_VERSION=1.20
 
-FROM $GOLANG_IMAGE as elemental-bin
+FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION}-alpine as elemental-bin
 
 ENV CGO_ENABLED=0
 WORKDIR /src/
@@ -22,25 +20,8 @@ ARG ELEMENTAL_VERSION=0.0.1
 ARG ELEMENTAL_COMMIT=""
 ENV ELEMENTAL_VERSION=${ELEMENTAL_VERSION}
 ENV ELEMENTAL_COMMIT=${ELEMENTAL_COMMIT}
-RUN go build \
+RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build \
     -ldflags "-w -s \
-    -X github.com/rancher/elemental-toolkit/internal/version.version=$ELEMENTAL_VERSION \
-    -X github.com/rancher/elemental-toolkit/internal/version.gitCommit=$ELEMENTAL_COMMIT" \
+    -X github.com/rancher/elemental-toolkit/internal/version.version=${ELEMENTAL_VERSION} \
+    -X github.com/rancher/elemental-toolkit/internal/version.gitCommit=${ELEMENTAL_COMMIT}" \
     -o /usr/bin/elemental
-
-FROM $BUILD_OS_DISTRI:$BUILD_OS_VERSION AS elemental
-# This helps invalidate the cache on each build so the following steps are really run again getting the latest packages
-# versions, as long as the elemental commit has changed
-ARG ELEMENTAL_COMMIT=""
-ENV ELEMENTAL_COMMIT=${ELEMENTAL_COMMIT}
-
-# Copy the built CLI
-COPY --from=elemental-bin /usr/bin/elemental /usr/bin/elemental
-
-# Fix for blkid only using udev on opensuse
-RUN echo "EVALUATE=scan" >> /etc/blkid.conf
-ENTRYPOINT ["/usr/bin/elemental"]
-
-# Add to /system/oem folder so install/upgrade/reset hooks will run when running this container.
-# Needed for boot-assessment
-COPY pkg/features/embedded/cloud-config-essentials/system/oem /system/oem/

Dockerfile.toolkit

@@ -0,0 +1,35 @@
+# Elemental CLI is built in another Dockerfile that support multi-arch
+ARG OS_IMAGE=opensuse/leap
+ARG OS_VERSION=15.5
+ARG BIN_REPO
+ARG VERSION
+
+FROM ${BIN_REPO}:${VERSION} AS bin
+FROM ${OS_IMAGE}:${OS_VERSION} AS elemental-toolkit
+
+RUN ARCH=$(uname -m); \
+    [[ "${ARCH}" == "aarch64" ]] && ARCH="arm64"; \
+    zypper install -y --no-recommends xfsprogs \
+        parted \
+        util-linux-systemd \
+        e2fsprogs \
+        util-linux \
+        udev \
+        rsync \
+        grub2 \
+        dosfstools \
+        grub2-${ARCH}-efi \
+        squashfs \
+        mtools \
+        xorriso \
+        cosign \
+        gptfdisk \
+        lvm2
+
+# Copy the built CLI
+COPY --from=bin /usr/bin/elemental /usr/bin/elemental
+ENTRYPOINT ["/usr/bin/elemental"]
+
+# Add to /system/oem folder so install/upgrade/reset hooks will run when running this container.
+# Needed for boot-assessment
+COPY pkg/features/embedded/cloud-config-essentials/system/oem /system/oem/

Makefile

@@ -10,24 +10,27 @@ PLATFORM?=linux/$(ARCH)
 IMAGE_SIZE?=20G
 PACKER_TARGET?=qemu.elemental-${ARCH}
 REPO?=local/elemental-$(FLAVOR)
+BIN_REPO?=local/elemental-bin
 TOOLKIT_REPO?=local/elemental-toolkit
 DOCKER?=docker
-
-# Used for docker build
-BUILD_OS_DISTRI?=registry.opensuse.org/opensuse/bci/bci-minimal
-BUILD_OS_VERSION?=latest
-GO_VERSION?=1.20
-GOLANG_IMAGE?=registry.opensuse.org/opensuse/bci/golang:$(GO_VERSION)
-
-GIT_COMMIT ?= $(shell git rev-parse HEAD)
-GIT_COMMIT_SHORT ?= $(shell git rev-parse --short HEAD)
-GIT_TAG ?= $(shell git describe --candidates=50 --abbrev=0 --tags 2>/dev/null || echo "v0.0.1" )
-VERSION ?= ${GIT_TAG}-g${GIT_COMMIT_SHORT}
-
-PKG        := ./cmd ./pkg/...
-LDFLAGS    := -w -s
-LDFLAGS += -X "github.com/rancher/elemental-toolkit/internal/version.version=${GIT_TAG}"
-LDFLAGS += -X "github.com/rancher/elemental-toolkit/internal/version.gitCommit=${GIT_COMMIT}"
+BASE_OS_IMAGE?=opensuse/leap
+BASE_OS_VERSION?=15.5
+
+GIT_COMMIT?=$(shell git rev-parse HEAD)
+GIT_COMMIT_SHORT?=$(shell git rev-parse --short HEAD)
+GIT_TAG?=$(shell git describe --candidates=50 --abbrev=0 --tags 2>/dev/null || echo "v0.0.1" )
+VERSION?=${GIT_TAG}-g${GIT_COMMIT_SHORT}
+
+PKG:=./cmd ./pkg/...
+LDFLAGS:=-w -s
+LDFLAGS+=-X "github.com/rancher/elemental-toolkit/internal/version.version=${GIT_TAG}"
+LDFLAGS+=-X "github.com/rancher/elemental-toolkit/internal/version.gitCommit=${GIT_COMMIT}"
+
+# For RISC-V 64bit support
+ifeq ($(PLATFORM),linux/riscv64)
+BASE_OS_IMAGE=registry.opensuse.org/opensuse/factory/riscv/images/opensuse/tumbleweed
+BASE_OS_VERSION=latest
+endif
 
 # default target
 .PHONY: all
@@ -41,13 +44,21 @@ include make/Makefile.test
 
 .PHONY: build
 build:
-	$(DOCKER) build --platform ${PLATFORM} ${DOCKER_ARGS} \
-			--build-arg ELEMENTAL_VERSION=${GIT_TAG} \
-			--build-arg ELEMENTAL_COMMIT=${GIT_COMMIT} \
-			--build-arg BUILD_OS_DISTRI=${BUILD_OS_DISTRI} \
-			--build-arg BUILD_OS_VERSION=${BUILD_OS_VERSION} \
-			--build-arg GOLANG_IMAGE=${GOLANG_IMAGE} \
-			--target elemental -t ${TOOLKIT_REPO}:${VERSION} .
+	$(DOCKER) build --platform $(PLATFORM) ${DOCKER_ARGS} \
+			--build-arg ELEMENTAL_VERSION=$(GIT_TAG) \
+			--build-arg ELEMENTAL_COMMIT=$(GIT_COMMIT) \
+			--target elemental-bin -t $(BIN_REPO):$(VERSION) .
+	$(DOCKER) build --platform $(PLATFORM) ${DOCKER_ARGS} \
+			--build-arg BIN_REPO=$(BIN_REPO) \
+			--build-arg VERSION=$(VERSION) \
+			--build-arg OS_IMAGE=$(BASE_OS_IMAGE) \
+			--build-arg OS_VERSION=$(BASE_OS_VERSION) \
+			--file Dockerfile.toolkit \
+			--target elemental-toolkit -t $(TOOLKIT_REPO):$(VERSION) .
+
+.PHONY: push-bin
+push-bin:
+	$(DOCKER) push $(BIN_REPO):$(VERSION)
 
 .PHONY: push-toolkit
 push-toolkit:
@@ -59,7 +70,11 @@ build-cli:
 
 .PHONY: build-os
 build-os: build
-	$(DOCKER) build examples/$(FLAVOR) --platform ${PLATFORM} ${DOCKER_ARGS} --build-arg TOOLKIT_REPO=$(TOOLKIT_REPO) --build-arg VERSION=$(VERSION) --build-arg REPO=$(REPO) -t $(REPO):$(VERSION)
+	$(DOCKER) build --platform ${PLATFORM} ${DOCKER_ARGS} \
+			--build-arg TOOLKIT_REPO=$(TOOLKIT_REPO) \
+			--build-arg VERSION=$(VERSION) \
+			--build-arg REPO=$(REPO) -t $(REPO):$(VERSION) \
+			examples/$(FLAVOR)
 
 .PHONY: push-os
 push-os: