Add rhel for s390x

Signed-off-by: Stefan Scherer <stefan.scherer@docker.com>
(cherry picked from commit 6ea7ea0)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: a281b4ca453cfd78d1181c2c84ee97d86b2aea32
Component: packaging

Author: StefanScherer

components/packaging/rpm/Makefile

@@ -42,7 +42,8 @@ SOURCES=$(addprefix rpmbuild/SOURCES/, $(SOURCE_FILES))
 
 FEDORA_RELEASES := fedora-32 fedora-31 fedora-30
 CENTOS_RELEASES := centos-7 centos-8
-DISTROS := $(FEDORA_RELEASES) $(CENTOS_RELEASES)
+RHEL_RELEASES := rhel-7
+DISTROS := $(FEDORA_RELEASES) $(CENTOS_RELEASES) $(RHEL_RELEASES)
 
 .PHONY: help
 help: ## show make targets
@@ -65,6 +66,9 @@ centos-8: RPMBUILD_EXTRA_FLAGS=--define '_without_btrfs 1'
 .PHONY: centos
 centos: $(CENTOS_RELEASES) ## build all centos rpm packages
 
+.PHONY: rhel
+rhel: $(RHEL_RELEASES) ## build all rhel rpm packages
+
 .PHONY: $(DISTROS)
 $(DISTROS): rpmbuild/SOURCES/engine.tgz rpmbuild/SOURCES/cli.tgz rpmbuild/SOURCES/docker.service rpmbuild/SOURCES/docker.socket rpmbuild/SOURCES/plugin-installers.tgz
 	@echo "== Building packages for $@ =="

components/packaging/rpm/rhel-7/Dockerfile

@@ -0,0 +1,30 @@
+ARG GO_IMAGE
+ARG DISTRO=rhel
+ARG SUITE=7
+ARG BUILD_IMAGE=dockereng/${DISTRO}:${SUITE}-s390x
+
+FROM ${GO_IMAGE} AS golang
+
+FROM ${BUILD_IMAGE}
+ENV GOPROXY=direct
+ENV GO111MODULE=off
+ENV GOPATH=/go
+ENV PATH $PATH:/usr/local/go/bin:$GOPATH/bin
+ENV AUTO_GOPATH 1
+ENV DOCKER_BUILDTAGS seccomp selinux
+ENV RUNC_BUILDTAGS seccomp selinux
+ARG DISTRO
+ARG SUITE
+ENV DISTRO=${DISTRO}
+ENV SUITE=${SUITE}
+ENV CC=gcc
+
+# In aarch64 (arm64) images, the altarch repo is specified as repository, but
+# failing, so replace the URL.
+RUN if [ -f /etc/yum.repos.d/CentOS-Sources.repo ]; then sed -i 's/altarch/centos/g' /etc/yum.repos.d/CentOS-Sources.repo; fi
+RUN yum install -y rpm-build rpmlint
+COPY SPECS /root/rpmbuild/SPECS
+RUN yum-builddep -y /root/rpmbuild/SPECS/*.spec
+COPY --from=golang /usr/local/go /usr/local/go
+WORKDIR /root/rpmbuild
+ENTRYPOINT ["/bin/rpmbuild"]