ci: install docker 19.03 for arm64 to let build image go

"make proto" will fail on arm64 using docker 18.06. This bug will be
gone if using docker 19.03. so upgrade docker before "make proto"
for arm64.

Fixes: kata-containers#861
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>

.ci/run.sh

@@ -9,10 +9,33 @@ set -e
 cidir=$(dirname "$0")
 source "${cidir}/lib.sh"
 
+arch=$(uname -m)
+install_docker_ubuntu() {
+	docker_version=${docker_version:-19.03}
+	pkg_name="docker-ce"
+	repo_url="https://download.docker.com/linux/ubuntu"
+	curl -fsSL "${repo_url}/gpg" | sudo apt-key add -
+	sudo -E add-apt-repository "deb [arch=${arch}] ${repo_url} $(lsb_release -cs) stable"
+	sudo -E apt-get update
+	docker_version_full=$(apt-cache madison $pkg_name | grep "$docker_version" | awk '{print $3}' | head -1)
+	sudo -E apt-get -y install "${pkg_name}=${docker_version_full}"
+}
+
 pushd "${tests_repo_dir}"
 .ci/run.sh
 testcidir=$(dirname "$0")
 
+if [ "$arch" == "aarch64" ]; then
+	command -v docker >/dev/null 2>&1 && "${testcidir}/../cmd/container-manager/manage_ctr_mgr.sh" docker remove
+	sudo rm -rf /etc/systemd/system/docker*
+	sudo rm -rf /lib/systemd/system/docker*
+	sudo rm -rf /etc/docker
+	sudo rm -rf /var/lib/docker
+	sudo rm -rf /run/docker
+	echo "reinstall docker 19.03 for arm64"
+	install_docker_ubuntu 19.03
+fi
+
 echo "Starting docker service before making proto"
 sudo systemctl start docker