qubes-linux-template-builder/create_template_list.sh
Patrick Schleizer bdd06c77af create_template_list.sh enhancements
- allow to pass environment variable '$YUM_OPTS' (to allow adding for example '--assumeyes')
- only try to uninstall existing template package if already installed to avoid failing and unnecessary output and prompts
- output
- refactoring
2015-10-12 09:41:35 +00:00

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#!/bin/bash
# vim: set ts=4 sw=4 sts=4 et :
#
# Creates a small script to copy to dom0 to retrieve the generated template rpm's
#
set -e
template_dir="$(readlink -m ./rpm/install-templates.sh)"
path="$(readlink -m .)/rpm/noarch"
version="-$(cat ./version)"
name="$(xenstore-read name)"
files_list_temp="$(echo "rpm/noarch/"*)"
files_list_temp="$(printf "%s \n" ${files_list_temp[@]})"
## Newest versions first.
files_list_temp="$(echo "$files_list_temp" | sort --reverse)"
for file_name in $files_list_temp ; do
file_name_without_version="$(echo "${file_name}" | sed -r "s/(${version}).+$//")"
template_name="$(basename "$file_name_without_version")"
template_list+="$template_name "
done
template_list="$(printf "%s \n" ${template_list[@]})"
template_list="$(echo "$template_list" | sort --unique)"
echo "template_list: $template_list"
declare -A -g remembered
for template_item_from_template_list in $template_list ; do
for file_name in $files_list_temp ; do
file_name_without_version="$(echo "${file_name}" | sed -r "s/(${version}).+$//")"
template_name="$(basename "$file_name_without_version")"
file_name_basename="$(basename "$file_name")"
if [ ! "$template_item_from_template_list" = "$template_name" ]; then
continue
fi
if [ "${remembered["$template_name"]}" = "true" ]; then
files+="#$file_name_basename "
else
remembered["$template_name"]="true"
files+="$file_name_basename "
fi
done
done
files="
$(printf "%s \n" ${files[@]})
"
# -----------------------------------------------------------------------------
# Write $vars
# -----------------------------------------------------------------------------
cat << EOF > "${template_dir}"
#!/bin/bash
# Use the following command in DOM0 to retreive this file:
# qvm-run --pass-io ${name} 'cat ${template_dir}' > install-templates.sh
files="${files}"
path="${path}"
version="${version}"
name="${name}"
EOF
# -----------------------------------------------------------------------------
# Write installation function
# -----------------------------------------------------------------------------
cat << 'EOF' >> "${template_dir}"
for file_name in ${files[@]}; do
if echo "$file_name" | grep -q '^#' ; then
continue
fi
if [ ! -e "${file_name}" ]; then
echo "Copying ${file_name} from ${name} to ${PWD}/${file_name}..."
qvm-run --pass-io "${name}" "cat ${path}/${file_name}" > "${PWD}/${file_name}"
fi
package_name="$(echo "${file_name}" | sed -r "s/(${version}).+$//")"
if sudo yum $YUM_OPTS list installed "$package_name" >/dev/null 2>&1 ; then
echo "Uninstalling package ${package_name}..."
sudo yum $YUM_OPTS erase "$package_name"
fi
echo "Installing file ${file_name}..."
if sudo yum $YUM_OPTS install "${file_name}" ; then
echo "Deleting ${PWD}/${file_name}..."
rm -f "${file_name}"
fi
done
echo "Done."
EOF
# -----------------------------------------------------------------------------
# Display instructions
# -----------------------------------------------------------------------------
echo "Use the following command in DOM0 to retreive this file:"
echo "qvm-run --pass-io ${name} 'cat ${template_dir}' > install-templates.sh"