138 lines
4.3 KiB
Bash
Executable File
138 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Description: Remove old dated copies (incs) according to policy
|
|
# Usage: rm
|
|
#
|
|
|
|
# shellcheck source=./includes
|
|
LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"
|
|
|
|
kill_or_clean_lockfile() {
|
|
lock_file=${1:-}
|
|
|
|
if [ -f "${lock_file}" ]; then
|
|
# Get Process ID from the lock file
|
|
pid=$(cat "${lock_file}")
|
|
if [ -n "${pid}" ]; then
|
|
if kill -0 "${pid}" 2> /dev/null; then
|
|
# Kill the children
|
|
pkill -9 --parent "${pid}"
|
|
# Kill the parent
|
|
kill -9 "${pid}"
|
|
# Only one bkctld-rm can run in parallel, the latest wins
|
|
lockfile_date=$(date --date "@$(stat -c %Y ${lock_file})" +"%Y-%m-%d %H:%M:%S")
|
|
warning "Process \`${pid}' (started at ${lockfile_date}) has been killed by \`$$'"
|
|
else
|
|
warning "Process not found at PID \`${pid}'. Ignoring lock file \`${lock_file}'."
|
|
fi
|
|
else
|
|
warning "Empty lockfile \`${lock_file}'. It should contain a PID."
|
|
fi
|
|
# Remove the lock file
|
|
rm -f ${lock_file}
|
|
fi
|
|
}
|
|
incs_to_delete() {
|
|
jail_name=${1:?}
|
|
incs_policy_file=${2:?}
|
|
|
|
incs_policy_keep_file=$(new_tmp_file "${jail_name}.incs_policy_keep")
|
|
incs_list_file=$(new_tmp_file "${jail_name}.incs_list")
|
|
|
|
# loop for each line in jail configuration
|
|
for incs_policy_line in $(grep "^\+" ${incs_policy_file}); do
|
|
# inc date in ISO format
|
|
incs_policy_date=$(relative_date ${incs_policy_line})
|
|
echo ${incs_policy_date} >> "${incs_policy_keep_file}"
|
|
done
|
|
for inc_name in $(incs_list "${jail_name}"); do
|
|
echo "${inc_name}" >> ${incs_list_file}
|
|
done
|
|
|
|
# shellcheck disable=SC2046
|
|
incs_to_delete=$(grep -v -f "${incs_policy_keep_file}" "${incs_list_file}")
|
|
|
|
rm -f "${incs_policy_keep_file}" "${incs_list_file}"
|
|
|
|
echo ${incs_to_delete}
|
|
}
|
|
delete_inc_btrfs() {
|
|
jail_name=$1
|
|
inc_name=$2
|
|
|
|
inc_path=$(inc_path "${jail_name}" "${inc_name}")
|
|
|
|
if dry_run; then
|
|
echo "[dry-run] delete btrfs subvolume ${inc_path}"
|
|
else
|
|
/bin/btrfs subvolume delete "${inc_path}" | debug
|
|
fi
|
|
}
|
|
delete_inc_ext4() {
|
|
jail_name=$1
|
|
inc_name=$2
|
|
|
|
inc_path=$(inc_path "${jail_name}" "${inc_name}")
|
|
|
|
if dry_run; then
|
|
echo "[dry-run] delete ${inc_path} with rsync from empty directory"
|
|
else
|
|
empty=$(new_tmp_dir "empty")
|
|
rsync --archive --delete "${empty}/" "${inc_path}/"
|
|
rmdir "${inc_path}/"
|
|
rmdir "${empty}"
|
|
fi
|
|
|
|
}
|
|
|
|
lock_file="${LOCKDIR}/rm-global.lock"
|
|
# shellcheck disable=SC2064
|
|
trap "rm -f ${lock_file}; cleanup_tmp;" 0
|
|
|
|
kill_or_clean_lockfile "${lock_file}"
|
|
new_lock_file "${lock_file}"
|
|
|
|
jails_list=$(jails_list)
|
|
jails_total=$(echo $jails_list | wc -w)
|
|
jails_count=0
|
|
|
|
for jail_name in ${jails_list}; do
|
|
jails_count=$((jails_count+1))
|
|
incs_policy_file=$(current_jail_incs_policy_file ${jail_name})
|
|
# If no incs policy is found, we don't remove incs
|
|
if [ -n "${incs_policy_file}" ]; then
|
|
# shellcheck disable=SC2046
|
|
|
|
incs_to_delete=$(incs_to_delete "${jail_name}" "${incs_policy_file}")
|
|
incs_total=$(echo ${incs_to_delete} | wc -w)
|
|
incs_count=0
|
|
|
|
if [ -n "${incs_to_delete}" ]; then
|
|
debug "Incs to be deleted for \`${jail_name}' : $(echo "${incs_to_delete}" | tr '\n', ',' | sed 's/,$//')."
|
|
for inc_name in ${incs_to_delete}; do
|
|
incs_count=$((incs_count+1))
|
|
info "Progress: jail ${jails_count} out of ${jails_total} - inc ${incs_count} out of ${incs_total}"
|
|
notice "Delete inc \`${inc_name}' for jail \`${jail_name}' : start"
|
|
|
|
inc_path=$(inc_path "${jail_name}" "${inc_name}")
|
|
|
|
if is_btrfs "${inc_path}"; then
|
|
delete_inc_btrfs "${jail_name}" "${inc_name}"
|
|
else
|
|
delete_inc_ext4 "${jail_name}" "${inc_name}"
|
|
fi
|
|
|
|
notice "Delete inc \`${inc_name}' for jail \`${jail_name}' : finish"
|
|
done
|
|
else
|
|
notice "Skip jail \`${jail_name}' : no inc to delete"
|
|
fi
|
|
else
|
|
notice "Skip jail \`${jail_name}' : incs policy is missing"
|
|
fi
|
|
done
|
|
|
|
# Remove the lock file and cleanup tmp files
|
|
rm -f "${lock_file}"
|
|
cleanup_tmp
|