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/run.sh

@@ -13,6 +13,12 @@ pushd "${tests_repo_dir}"
 .ci/run.sh
 testcidir=$(dirname "$0")
 
+# docker version may need to be upgraded to let make proto go on arm64
+arch=$(go env GOARCH)
+if [ "$arch" == "arm64" ]; then
+	"../agent/.ci/run_arm64.sh"
+fi
+
 echo "Starting docker service before making proto"
 sudo systemctl start docker
 

.ci/run_arm64.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+# Copyright (c) 2020 Arm Ltd Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+source "${tests_repo_dir}/.ci/lib.sh"
+
+install_docker_ubuntu() {
+        pkg_name="docker-ce"
+        repo_url="https://download.docker.com/linux/ubuntu"
+        curl -L "${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}=${docker_version_full}"
+}
+
+# make proto will fail on arm64 when use docker 18.06 and using docker 19.03
+# can avoid this failure. For now this change is only for ubuntu as we know little
+# about the other cases.
+main() {
+	ID=$(cat /etc/os-release | grep "^ID=" | cut -f 2 -d "=")
+        if [ "$ID" != "ubuntu" ]; then
+		echo "docker upgrade is only done for ubuntu"
+                exit 0
+        fi
+        current_docker_version=$(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
+}
+
+main