mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-10-22 04:18:53 +00:00
8086e5b7a6
Changed the `rootfs.sh` script to exit with an error if `GOPATH` isn't set in the environment. Fixes #20. Signed-off-by: Harshal Patil <harshal.patil@in.ibm.com>
158 lines
3.7 KiB
Bash
Executable File
158 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2017 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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set -e
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script_name="${0##*/}"
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script_dir="$(dirname $(realpath -s $0))"
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ROOTFS_DIR=${ROOTFS_DIR:-${PWD}/rootfs}
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AGENT_VERSION=${AGENT_VERSION:-master}
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GO_AGENT_PKG=${GO_AGENT_PKG:-github.com/kata-containers/agent}
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AGENT_BIN=${AGENT_BIN:-kata-agent}
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# Name of file that will implement build_rootfs
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typeset -r LIB_SH="rootfs_lib.sh"
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if [ -n "$DEBUG" ] ; then
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set -x
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fi
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#$1: Error code if want to exit differnt to 0
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usage(){
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error="${1:-0}"
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cat <<EOT
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USAGE: Build a Guest OS rootfs for Kata Containers image
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${script_name} [options] <distro_name>
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<distro_name> : Linux distribution to use as base OS.
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Supported Linux distributions:
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$(get_distros)
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Options:
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-a : agent version DEFAULT: ${AGENT_VERSION} ENV: AGENT_VERSION
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-h : Show this help message
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-r : rootfs directory DEFAULT: ${ROOTFS_DIR} ENV: ROOTFS_DIR
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ENV VARIABLES:
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GO_AGENT_PKG: Change the golang package url to get the agent source code
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DEFAULT: ${GO_AGENT_PKG}
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AGENT_BIN : Name of the agent binary (needed to check if agent is installed)
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USE_DOCKER: If set will build rootfs in a Docker Container (requries docker)
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DEFAULT: not set
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EOT
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exit "${error}"
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}
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die()
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{
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msg="$*"
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echo "ERROR: ${msg}" >&2
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exit 1
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}
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info()
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{
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msg="$*"
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echo "INFO: ${msg}" >&2
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}
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OK()
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{
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msg="$*"
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echo "INFO: [OK] ${msg}" >&2
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}
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get_distros() {
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cdirs=$(find "${script_dir}" -maxdepth 1 -type d)
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find ${cdirs} -maxdepth 1 -name "${LIB_SH}" -printf '%H\n' | while read dir; do
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basename "${dir}"
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done
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}
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check_function_exist() {
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function_name="$1"
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[ "$(type -t ${function_name})" == "function" ] || die "${function_name} function was not defined"
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}
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while getopts c:hr: opt
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do
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case $opt in
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a) AGENT_VERSION="${OPTARG}" ;;
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h) usage ;;
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r) ROOTFS_DIR="${OPTARG}" ;;
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esac
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done
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shift $(($OPTIND - 1))
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[ -z "$GOPATH" ] && die "GOPATH not set"
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distro="$1"
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[ -n "${distro}" ] || usage 1
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distro_config_dir="${script_dir}/${distro}"
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[ -d "${distro_config_dir}" ] || die "Not found configuration directory ${distro_config_dir}"
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rootfs_lib="${distro_config_dir}/${LIB_SH}"
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source "${rootfs_lib}"
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rootfs_config="${distro_config_dir}/config.sh"
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source "${rootfs_config}"
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CONFIG_DIR=${distro_config_dir}
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check_function_exist "build_rootfs"
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if [ -n "${USE_DOCKER}" ] ; then
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image_name="${distro}-rootfs-osbuilder"
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docker build \
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--build-arg http_proxy="${http_proxy}" \
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--build-arg https_proxy="${https_proxy}" \
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-t "${image_name}" "${distro_config_dir}"
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#Make sure we use a compatible runtime to build rootfs
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# In case Clear Containers Runtime is installed we dont want to hit issue:
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#https://github.com/clearcontainers/runtime/issues/828
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docker run \
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--runtime runc \
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--env https_proxy="${https_proxy}" \
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--env http_proxy="${http_proxy}" \
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--env AGENT_VERSION="${AGENT_VERSION}" \
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--env ROOTFS_DIR="/rootfs" \
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--env GO_AGENT_PKG="${GO_AGENT_PKG}" \
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--env AGENT_BIN="${AGENT_BIN}" \
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--env GOPATH="${GOPATH}" \
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-v "${script_dir}":"/osbuilder" \
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-v "${ROOTFS_DIR}":"/rootfs" \
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-v "${GOPATH}":"${GOPATH}" \
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${image_name} \
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bash /osbuilder/rootfs.sh "${distro}"
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exit $?
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fi
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mkdir -p ${ROOTFS_DIR}
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build_rootfs ${ROOTFS_DIR}
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info "Check init is installed"
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init="${ROOTFS_DIR}/sbin/init"
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[ -x "${init}" ] || [ -L ${init} ] || die "/sbin/init is not installed in ${ROOTFS_DIR}"
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OK "init is installed"
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info "Pull Agent source code"
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go get -d "${GO_AGENT_PKG}" || true
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OK "Pull Agent source code"
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info "Build agent"
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pushd "${GOPATH}/src/${GO_AGENT_PKG}"
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make INIT=no
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make install DESTDIR="${ROOTFS_DIR}" INIT=no
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popd
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[ -x "${ROOTFS_DIR}/bin/${AGENT_BIN}" ] || die "/bin/${AGENT_BIN} is not installed in ${ROOTFS_DIR}"
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OK "Agent installed"
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