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.

Depends-on: github.com/kata-containers/runtime#3057
Fixes: kata-containers#861
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>

.ci/lib.sh

@@ -5,6 +5,7 @@
 
 export tests_repo="${tests_repo:-github.com/kata-containers/tests}"
 export tests_repo_dir="$GOPATH/src/$tests_repo"
+source "${tests_repo_dir}/.ci/lib.sh"
 
 clone_tests_repo()
 {

.ci/run.sh

@@ -9,10 +9,35 @@ set -e
 cidir=$(dirname "$0")
 source "${cidir}/lib.sh"
 
+install_docker_ubuntu() {
+	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")
 
+# make proto will fail on arm64 when use docker 18.06 and using docker 19.03 can avoid this failure
+arch=$(go env GOARCH)
+if [ "$arch" == "arm64" ]; then
+	current_docker_version=$(docker version | awk '/Engine/{getline; print $2 }')
+	current_docker_version=${current_docker_version%.*}
+	docker_version=$(get_version "externals.docker.architecture.aarch64.agent.version")
+	docker_version=${docker_version/v}
+	docker_version=${docker_version/-*}
+	if [[ `echo "$current_docker_version < $docker_version" | bc` -eq 1 ]]; then
+		command -v docker >/dev/null 2>&1 && "${testcidir}/../cmd/container-manager/manage_ctr_mgr.sh" docker remove
+		echo "reinstall docker $docker_version for arm64"
+		install_docker_ubuntu $docker_version
+	fi
+fi
+
 echo "Starting docker service before making proto"
 sudo systemctl start docker