rpm: minimal RHEL support

Signed-off-by: Bjorn Neergaard <bjorn.neergaard@docker.com>

rpm/Makefile

@@ -10,11 +10,15 @@ CLI_GITCOMMIT?=$(shell cd $(realpath $(CURDIR)/../src/github.com/docker/cli) &&
 ENGINE_GITCOMMIT?=$(shell cd $(realpath $(CURDIR)/../src/github.com/docker/docker) && git rev-parse --short HEAD)
 BUILDX_GITCOMMIT?=$(shell cd $(realpath $(CURDIR)/../src/github.com/docker/buildx) && git rev-parse --short HEAD)
 
+ifdef RH_USER
+	RH_FLAGS=--build-arg RH_USER=$(RH_USER) --build-arg RH_PASS=$(RH_PASS)
+endif
 ifdef BUILD_IMAGE
 	BUILD_IMAGE_FLAG=--build-arg $(BUILD_IMAGE)
 endif
 BUILD?=DOCKER_BUILDKIT=1 \
 	docker build \
+	$(RH_FLAGS) \
 	$(BUILD_IMAGE_FLAG) \
 	--build-arg GO_IMAGE=$(GO_IMAGE) \
 	-t rpmbuild-$@/$(ARCH) \
@@ -53,11 +57,7 @@ RUN?=docker run --rm \
 
 FEDORA_RELEASES ?= fedora-39 fedora-38
 CENTOS_RELEASES ?= centos-7 centos-8 centos-9
-ifeq ($(ARCH),s390x)
-RHEL_RELEASES ?= rhel-7
-else
-RHEL_RELEASES ?=
-endif
+RHEL_RELEASES ?= rhel-8 rhel-9
 
 DISTROS := $(FEDORA_RELEASES) $(CENTOS_RELEASES) $(RHEL_RELEASES)
 BUNDLES := $(patsubst %,rpmbuild/bundles-ce-%-$(DPKG_ARCH).tar.gz,$(DISTROS))

rpm/rhel-8/Dockerfile

@@ -0,0 +1,36 @@
+# syntax=docker/dockerfile:1
+
+ARG GO_IMAGE
+ARG DISTRO=rhel
+ARG SUITE=8
+ARG BUILD_IMAGE=registry.access.redhat.com/ubi8/ubi
+
+FROM ${GO_IMAGE} AS golang
+
+FROM ${BUILD_IMAGE} AS subscribed-image
+ARG RH_USER
+ARG RH_PASS
+RUN rm /etc/rhsm-host 
+RUN subscription-manager register --username=$RH_USER --password=$RH_PASS
+RUN subscription-manager repos --enable codeready-builder-for-rhel-8-$(arch)-rpms
+# RUN dnf config-manager --set-enabled codeready-builder-for-rhel-8-$(arch)-rpms
+
+FROM subscribed-image
+
+ENV GOPROXY=https://proxy.golang.org|direct
+ENV GO111MODULE=off
+ENV GOPATH=/go
+ENV PATH $PATH:/usr/local/go/bin:$GOPATH/bin
+ENV AUTO_GOPATH 1
+ENV DOCKER_BUILDTAGS exclude_graphdriver_btrfs
+ARG DISTRO
+ARG SUITE
+ENV DISTRO=${DISTRO}
+ENV SUITE=${SUITE}
+
+RUN dnf install -y rpm-build rpmlint
+COPY --link SPECS /root/rpmbuild/SPECS
+RUN dnf builddep -y /root/rpmbuild/SPECS/*.spec
+COPY --link --from=golang /usr/local/go /usr/local/go
+WORKDIR /root/rpmbuild
+ENTRYPOINT ["/bin/rpmbuild"]

rpm/rhel-9/Dockerfile

@@ -0,0 +1,36 @@
+# syntax=docker/dockerfile:1
+
+ARG GO_IMAGE
+ARG DISTRO=rhel
+ARG SUITE=9
+ARG BUILD_IMAGE=registry.access.redhat.com/ubi9/ubi
+
+FROM ${GO_IMAGE} AS golang
+
+FROM ${BUILD_IMAGE} AS subscribed-image
+ARG RH_USER
+ARG RH_PASS
+RUN rm /etc/rhsm-host
+RUN subscription-manager register --username=$RH_USER --password=$RH_PASS
+RUN subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
+# RUN dnf config-manager --set-enabled codeready-builder-for-rhel-9-$(arch)-rpms
+
+FROM subscribed-image
+
+ENV GOPROXY=https://proxy.golang.org|direct
+ENV GO111MODULE=off
+ENV GOPATH=/go
+ENV PATH $PATH:/usr/local/go/bin:$GOPATH/bin
+ENV AUTO_GOPATH 1
+ENV DOCKER_BUILDTAGS exclude_graphdriver_btrfs
+ARG DISTRO
+ARG SUITE
+ENV DISTRO=${DISTRO}
+ENV SUITE=${SUITE}
+
+RUN dnf install -y rpm-build rpmlint
+COPY --link SPECS /root/rpmbuild/SPECS
+RUN dnf builddep -y /root/rpmbuild/SPECS/*.spec
+COPY --link --from=golang /usr/local/go /usr/local/go
+WORKDIR /root/rpmbuild
+ENTRYPOINT ["/bin/rpmbuild"]