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https://github.com/kata-containers/kata-containers.git
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91bf410118
Add script and config to build a rootfs based in Clear Linux OS. Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
94 lines
2.1 KiB
Bash
Executable File
94 lines
2.1 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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check_program(){
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type "$1" >/dev/null 2>&1
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}
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generate_dnf_config()
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{
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echo "WARNING: using not signed packages"
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cat > "${DNF_CONF}" << EOF
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[main]
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cachedir=/var/cache/dnf-clear
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keepcache=0
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debuglevel=2
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logfile=/var/log/dnf.log
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exactarch=1
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obsoletes=1
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gpgcheck=0
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plugins=0
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installonly_limit=3
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#Dont use the default dnf reposdir
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#this will prevent to use host repositories
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reposdir=/root/mash
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[clear]
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name=Clear
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failovermethod=priority
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baseurl=${REPO_URL}
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enabled=1
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#Clear Linux based packages security limitations
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#Although the Clear Linux rootfs is constructed from rpm packages, Clear Linux
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#itself is not an rpm-based Linux distribution (the software installed on a
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#Clear Linux system is not managed using rpm). The rpm packages used to
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#generate the rootfs are not signed, so there is no way to ensure that
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#downloaded packages are trustworthy.
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gpgcheck=0
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EOF
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}
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build_rootfs()
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{
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# Mandatory
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local ROOTFS_DIR=$1
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#In case rootfs is created usig repositories allow user to modify
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# the default URL
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local REPO_URL=${REPO_URL:-https://download.clearlinux.org/current/x86_64/os/}
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# In case of support EXTRA packages, use it to allow
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# users add more packages to the base rootfs
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local EXTRA_PKGS=${EXTRA_PKGS:-}
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#PATH where files this script is placed
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#Use it to refer to files in the same directory
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#Exmaple: ${CONFIG_DIR}/foo
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#local CONFIG_DIR=${CONFIG_DIR}
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check_root
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if [ ! -f "${DNF_CONF}" ]; then
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DNF_CONF="./clear-dnf.conf"
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generate_dnf_config
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fi
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mkdir -p "${ROOTFS_DIR}"
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if [ -n "${PKG_MANAGER}" ]; then
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info "DNF path provided by user: ${PKG_MANAGER}"
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elif check_program "dnf"; then
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PKG_MANAGER="dnf"
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elif check_program "yum" ; then
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PKG_MANAGER="yum"
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else
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die "neither yum nor dnf is installed"
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fi
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info "Using : ${PKG_MANAGER} to pull packages from ${REPO_URL}"
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DNF="${PKG_MANAGER} --config=$DNF_CONF -y --installroot=${ROOTFS_DIR} --noplugins"
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$DNF install ${EXTRA_PKGS} ${PACKAGES}
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[ -n "${ROOTFS_DIR}" ] && rm -r "${ROOTFS_DIR}/var/cache/dnf-clear"
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}
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check_root()
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{
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if [ "$(id -u)" != "0" ]; then
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echo "Root is needed"
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exit 1
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fi
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}
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