Jérémy Lecour
9c6be0e74c
echo-ing the list of incs gives a single line, hard to match with lines in the keep file. We store the incs list in a temp file to help comparing contents.
113 lines
3.5 KiB
Bash
Executable file
113 lines
3.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Remove old incremtal inc of all jails
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# Usage: rm
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#
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# shellcheck source=./includes
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LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"
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relative_date() {
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format=$(echo $1 | cut -d'.' -f1)
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time_jump=$(echo $1 | cut -d'.' -f2)
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reference_date=$(date "${format}")
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past_date=$(date --date "${reference_date} ${time_jump}" +"%Y-%m-%d")
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echo ${past_date}
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}
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delete_inc_btrfs() {
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jail_name=$1
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inc_name=$2
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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start=$(current_time)
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if dry_run; then
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echo "[dry-run] delete btrfs subvolume ${inc_path}"
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else
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/bin/btrfs subvolume delete "${inc_path}" | debug
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fi
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end=$(current_time)
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notice "${jail_name}: inc '${inc_name}' has been deleted [${start}/${end}]"
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}
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delete_inc_ext4() {
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jail_name=$1
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inc_name=$2
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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lock_file="${LOCKDIR}/rm-global.lock"
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if [ -f "${lock_file}" ]; then
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# Get Process ID from the lock file
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pid=$(cat "${lock_file}")
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if kill -0 ${pid} 2> /dev/null; then
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# Kill the children
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pkill -9 --parent "${pid}"
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# Kill the parent
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kill -9 "${pid}"
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# Remove the lock file
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rm -f ${lock_file}
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warning "Process ${pid} has been killed. Only one ${0} can run in parallel, the latest wins."
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else
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error "Empty lockfile '${lock_file}'. It should contain a PID."
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fi
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fi
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mkdir --parents "${LOCKDIR}" && echo $$ > ${lock_file} || error "Failed to acquire lock file '${lock_file}'"
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empty=$(mktemp -d --suffix ".${$}" bkctld.XXXXX)
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# shellcheck disable=SC2064
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trap "rm -f ${lock_file}; rmdir ${empty}" 0
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if dry_run; then
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echo "[dry-run] delete ${inc_path} with rsync from ${empty}"
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else
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rsync --archive --delete "${empty}/" "${inc_path}/"
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rmdir "${inc_path}/"
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fi
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end=$(current_time)
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notice "${jail_name}: inc '${inc_name}' has been deleted [${start}/${end}]"
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}
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for jail_name in $(jails_list); do
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incs_policy_file=$(current_jail_incs_policy_file ${jail_name})
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# If not incs policy if found, we don't remove incs
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if [ -n "${incs_policy_file}" ]; then
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incs_policy_keep_file="$(mktemp)"
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incs_list_file="$(mktemp)"
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# shellcheck disable=SC2064
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trap "rm -f ${incs_policy_keep_file} ${incs_list_file}" 0
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# loop for each line in jail configuration
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for incs_policy_line in $(grep "^\+" ${incs_policy_file}); do
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# inc date in ISO format
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incs_policy_date=$(relative_date ${incs_policy_line})
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echo ${incs_policy_date} >> "${incs_policy_keep_file}"
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done
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for inc_name in $(incs_list "${jail_name}"); do
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echo "${inc_name}" >> ${incs_list_file}
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done
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# shellcheck disable=SC2046
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incs_to_delete=$(grep -v -f "${incs_policy_keep_file}" "${incs_list_file}")
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if [ -n "${incs_to_delete}" ]; then
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debug "${jail_name}: incs to be deleted : $(echo "${incs_to_delete}" | tr '\n', ',' | sed 's/,$//')."
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for inc_name in ${incs_to_delete}; do
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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if is_btrfs "${inc_path}"; then
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delete_inc_btrfs "${jail_name}" "${inc_name}"
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else
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delete_inc_ext4 "${jail_name}" "${inc_name}"
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fi
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done
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else
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notice "${jail_name}: no inc to be deleted."
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fi
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fi
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done
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