File label-install of Package kvm-client-container

#!/bin/bash
set -euo pipefail

# Check for read only root filesystem
is_read_only() {
   [[ -n $(awk '$2 ~ /\/host$/ && $4 ~ /(^|,)ro($|,)/' /host/proc/mounts) ]]
}

INSTALL_PATH=$(is_read_only && echo "/host/usr/local/bin" || echo "/host/usr/bin")

link_bin() {
   BIN=$1
   # Temporary PATH that `command -v` will use
   local PATH=/host/usr/bin:/host/usr/local/bin
   # Don't replace already installed binaries with symlinks
   command -v ${BIN} || ln -srv ${INSTALL_PATH}/kvm-client-wrapper ${INSTALL_PATH}/${BIN}
}

virt_bins=()
for package in libvirt-client libvirt-client-qemu python3-pvirsh python3-virt-scenario qemu-tools virt-install virt-top xorriso
do
   virt_bins+=($(basename -a $(rpm -ql $package | grep "/usr/bin" | xargs)))
done

# Install container wrapper script. Installed binaries will be linked to this executable
sed -e "s,%CONTAINER_IMAGE%,${IMAGE},g" /container/kvm-client-wrapper > ${INSTALL_PATH}/kvm-client-wrapper
chmod 755 ${INSTALL_PATH}/kvm-client-wrapper


for bin in "${virt_bins[@]}"
do
   link_bin ${bin}
done