kernel: build: Add container build

Add script to build kernel in a container.

Signed-off-by: Carlos Venegas <jos.c.venegas.munoz@intel.com>

tools/packaging/static-build/kernel/Dockerfile

@@ -0,0 +1,18 @@
+# Copyright (c) 2021 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+FROM ubuntu
+ENV DEBIAN_FRONTEND=noninteractive
+
+# kernel deps
+RUN apt update
+RUN apt install -y \
+	    bc \
+	    bison \
+	    build-essential \
+	    curl \
+	    flex \
+	    git \
+	    iptables \
+	    libelf-dev \

tools/packaging/static-build/kernel/build.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+#
+# Copyright (c) 2021 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+readonly repo_root_dir="$(cd "${script_dir}/../../../.." && pwd)"
+readonly kernel_builder="${repo_root_dir}/tools/packaging/kernel/build-kernel.sh"
+
+
+kernel_version=${1}
+DESTDIR=${DESTDIR:-${PWD}}
+PREFIX=${PREFIX:-/opt/kata}
+container_image="kata-kernel-builder"
+
+sudo docker build -t "${container_image}" "${script_dir}"
+
+echo "build ${kernel_version}"
+sudo docker run --rm -i -v "${repo_root_dir}:${repo_root_dir}" \
+	-w "${PWD}" \
+	"${container_image}" \
+	bash -c "${kernel_builder} -v ${kernel_version} setup"
+
+sudo docker run --rm -i -v "${repo_root_dir}:${repo_root_dir}" \
+	-w "${PWD}" \
+	"${container_image}" \
+	bash -c "${kernel_builder} -v ${kernel_version} build"
+
+sudo docker run --rm -i -v "${repo_root_dir}:${repo_root_dir}" \
+	-w "${PWD}" \
+	--env DESTDIR="${DESTDIR}" --env PREFIX="${PREFIX}" \
+	"${container_image}" \
+	bash -c "${kernel_builder} -v ${kernel_version} install"