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setup
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setup
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#!/bin/bash -ex
#
# This setup script is an unofficial solution designed to deploy QM in
# non-automotive environments like baremetal, desktop, or CICD.
#
# It will install an OS environment by default into
# /usr/lib/qm/rootfs and create a Podman quadlet containerized environment
# running systemd as PID1 inside.
#
# Globals
SYSTEMCTL_SKIP="N"
REMOVE_QM_ROOTFS="N"
INSTALLDIR="/usr/share/qm"
QM_ROOTFS_TOOL="${INSTALLDIR}/qm-rootfs"
ROOTFS="/usr/lib/qm/rootfs"
RWETCFS="/etc/qm"
RWVARFS="/var/qm"
AGENT_HOSTNAME="$(hostname)"
AGENTCONF="/etc/bluechi/agent.conf.d/agent.conf"
QM_CONTAINER_IDS=1000000000:1500000000
CONTAINER_IDS=2500000000:1500000000
PACKAGES_TO_INSTALL="selinux-policy-targeted podman systemd bluechi-agent procps-ng iptables-nft"
# RHEL kernel uses iptables-nft, not iptables-legacy, the tool should
# make sure this package is removed.
PACKAGES_TO_REMOVE="iptables-legacy"
CMDLINE_ARGUMENT_LIST=(
"installdir"
"rootfs"
"hostname"
"rwetcfs"
"rwvarfs"
"skip-systemctl"
)
root_check() {
if [ "$(id -u)" -ne 0 ];then
echo "Please run this script as root"
exit 1
fi
}
usage()
{
echo "This script is an unofficial solution designed to deploy QM in"
echo "non-automotive environments like baremetal, desktop, or CICD."
echo
echo "The setup script will install an OS environment by default into"
echo "/usr/lib/qm/rootfs and create a Podman quadlet containerized environment"
echo "running systemd as PID1 inside."
echo
echo "Usage: setup [OPTIONS]"
echo
echo "OPTIONS:"
echo
echo "--help Print this message."
echo "--installdir qm install directory (default: /usr/share/qm)"
echo "--rootfs set rootfs (default: /usr/lib/qm/rootfs)"
echo "--rwetcfs set rwetcfs (default: /etc/qm)"
echo "--rwvarfs set rwvarfs (default: /var/qm)"
echo "--skip-systemctl skip systemctl daemon commands (default: false)"
echo "--hostname custom agent hostname to use (default: \$\(hostname\))"
echo "--remove-qm-rootfs WARNING: remove qm rootfs created during setup"
echo
echo "Example:"
echo " $ sudo ./setup --installdir=/usr/share/qm --rootfs=/usr/lib/qm/rootfs"
}
replaceIDs() {
touch "$1"
grep -q "^$2:" "$1" || echo "$2":"$3" >> "$1"
}
bluechiSetup() {
ROOTFS=$1
RWETCFS=$2
RWVARFS=$3
setupRW "${ROOTFS}" "${RWETCFS}" "${RWVARFS}"
if test ! -f "${ROOTFS}${AGENTCONF}"; then
if test -f "${AGENTCONF}"; then
sed -e 's,^NodeName=,NodeName=qm.,g' "${AGENTCONF}" > "${ROOTFS}${AGENTCONF}"
fi
fi
hostname=$AGENT_HOSTNAME
if test -f "${ROOTFS}${AGENTCONF}"; then
sed -e "s,^NodeName=qm.$,NodeName=qm.${hostname},g" \
-e "s,^NodeName=$,NodeName=qm.${hostname},g" \
-i "${ROOTFS}${AGENTCONF}"
else
cat > "${ROOTFS}${AGENTCONF}" <<EOF
[bluechi-agent]
NodeName=qm.${hostname}
EOF
fi
}
setupRW() {
ROOTFS=$1
RWETCFS=$2
RWVARFS=$3
mkdir -Z -p "${ROOTFS}/etc" "${ROOTFS}/var"
mkdir -Z -p "${RWETCFS}" "${RWVARFS}"
mount --bind "${RWETCFS}" "${ROOTFS}/etc"
mount --bind "${RWVARFS}" "${ROOTFS}/var"
}
create_rootfs_required_dirs() {
# List of directories required for rootfs
directories=(
"${ROOTFS}/etc/containers/"
"${ROOTFS}/usr/share/containers/selinux/"
"${ROOTFS}/etc/selinux/targeted/contexts/files/"
)
for dir in "${directories[@]}"; do
if [ ! -d "$dir" ]; then
mkdir -Z -p "$dir"
echo "Created directory: $dir"
fi
done
}
validate_qm_installation() {
files=(
"${INSTALLDIR}/containers.conf"
"${INSTALLDIR}/contexts"
"${INSTALLDIR}/file_contexts"
)
for file in "${files[@]}"; do
if [[ ! -f "$file" ]]; then
echo "Exiting... '$file' not found. Try reinstall the QM package before continue." >&2
exit 1
fi
done
}
install() {
ROOTFS=$1
RWETCFS=$2
RWVARFS=$3
# shellcheck source=/dev/null
. /etc/os-release
setupRW "${ROOTFS}" "${RWETCFS}" "${RWVARFS}"
cmd_dnf_install="dnf -y install --releasever=${VERSION_ID} --installroot ${ROOTFS} ${PACKAGES_TO_INSTALL}"
${cmd_dnf_install}
if dnf --installroot "${ROOTFS}" list installed "${PACKAGES_TO_REMOVE}" > /dev/null 2>&1; then
dnf --installroot "${ROOTFS}" remove "${PACKAGES_TO_REMOVE}" -y
fi
# check if "${ROOTFS}"/etc/yum.repos.d
if [ -z "$(find "${ROOTFS}"/etc/yum.repos.d -mindepth 1 -maxdepth 1)" ]; then
cat > "${ROOTFS}/etc/yum.repos.d/autosd.repo" << EOF
[autosd]
name=Automotive-Sig \$releasever
baseurl=https://autosd.sig.centos.org/AutoSD-9/nightly/repos/AutoSD/compose/AutoSD/\$basearch/os
enabled=1
gpgcheck=0
EOF
fi
dnf -y update --installroot "${ROOTFS}"
rm -rf "${ROOTFS}"/etc/selinux/targeted/contexts/files/file_contexts/*
create_rootfs_required_dirs
validate_qm_installation
cp "${INSTALLDIR}/containers.conf" "${ROOTFS}/etc/containers/"
cp "${INSTALLDIR}/contexts" "${ROOTFS}/usr/share/containers/selinux/"
cp "${INSTALLDIR}/file_contexts" "${ROOTFS}/etc/selinux/targeted/contexts/files/file_contexts"
replaceIDs "${ROOTFS}/etc/subuid" containers ${QM_CONTAINER_IDS}
replaceIDs "${ROOTFS}/etc/subgid" containers ${QM_CONTAINER_IDS}
bluechiSetup "${ROOTFS}" "${RWETCFS}" "${RWVARFS}"
if [ "$SYSTEMCTL_SKIP" == "N" ]; then
unshare --mount-proc -R "${ROOTFS}" -m systemctl enable bluechi-agent.service
else
chroot "${ROOTFS}" ln -fs \
/usr/lib/systemd/system/bluechi-agent.service \
/etc/systemd/system/multi-user.target.wants/bluechi-agent.service
fi
"${INSTALLDIR}/qm-storage-settings"
restorecon -R "${ROOTFS}"
umount "${ROOTFS}/var" "${ROOTFS}/etc"
}
# read command line arguments
opts=$(getopt \
--longoptions "$(printf "help,skip-systemctl,remove-qm-rootfs,%s:," "${CMDLINE_ARGUMENT_LIST[@]}")" \
--name "$(basename "$0")" \
--options "" \
-- "$@"
)
eval set --"${opts}"
# main()
root_check
while [[ $# -gt 0 ]]; do
case "$1" in
--installdir)
INSTALLDIR="${2}"
shift 2
;;
--rootfs)
ROOTFS="${2}"
shift 2
;;
--rwetcfs)
RWETCFS="${2}"
shift 2
;;
--rwvarfs)
RWVARFS="${2}"
shift 2
;;
--skip-systemctl)
SYSTEMCTL_SKIP="Y"
shift
;;
--hostname)
AGENT_HOSTNAME="${2}"
shift 2
;;
--remove-qm-rootfs)
REMOVE_QM_ROOTFS="Y"
shift 2
;;
--help)
usage
exit 1
;;
*)
break
;;
esac
done
# Figure out the options, execute setup
echo "setup has started..."
echo " * rootfs: ${ROOTFS}"
echo " * rwetcfs: ${RWETCFS}"
echo " * rwvarfs: ${RWVARFS}"
echo " * install dir: ${INSTALLDIR}"
echo " * skip-systemctl: ${SYSTEMCTL_SKIP}"
echo " * remove-qm-rootfs: ${REMOVE_QM_ROOTFS}"
echo " * agent hostname: ${AGENT_HOSTNAME}"
echo
if [ "${REMOVE_QM_ROOTFS}" == "Y" ]; then
# Get the one path below, i.e: /usr/lib/qm instead /usr/lib/qm/rootfs
path_qm_rootfs=$(${QM_ROOTFS_TOOL} | sed 's|/[^/]*$||')
rm -rf "${path_qm_rootfs}"
exit 0
fi
case "$1" in
bluechi-agent)
rm -f "${ROOTFS}${AGENTCONF}"
bluechiSetup "${ROOTFS}" "${RWETCFS}" "${RWVARFS}"
;;
*)
if [ "$SYSTEMCTL_SKIP" == "N" ]; then
if systemctl is-active --quiet "qm.service" ; then
systemctl stop qm.service
fi
fi
install "${ROOTFS}" "${RWETCFS}" "${RWVARFS}"
replaceIDs /etc/subuid qmcontainers ${QM_CONTAINER_IDS}
replaceIDs /etc/subgid qmcontainers ${QM_CONTAINER_IDS}
replaceIDs /etc/subuid containers ${CONTAINER_IDS}
replaceIDs /etc/subgid containers ${CONTAINER_IDS}
if [ "$SYSTEMCTL_SKIP" == "N" ]; then
systemctl daemon-reload
systemctl start qm.service
else
/usr/libexec/podman/quadlet /run/systemd/generator/
fi
;;
esac