96 lines
3.1 KiB
Bash
Executable file
96 lines
3.1 KiB
Bash
Executable file
#!/bin/sh
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#
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# Make incremental inc of all jails
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# Usage: inc
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#
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# shellcheck source=./includes
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LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"
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create_inc_btrfs() {
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jail_name=$1
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inc_name=$2
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jail_path=$(jail_path "${jail_name}")
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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# The lock file prevents from starting a new copy when one is already being done
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lock_file="${LOCKDIR}/inc-${jail_name}-${inc_name}.lock"
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if [ -f "${lock_file}" ]; then
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warning "${jail_name}: skipping '${inc_name}', it is already being created."
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else
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(
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start=$(current_time)
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mkdir --parents "${LOCKDIR}" && touch "${lock_file}"
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# shellcheck disable=SC2064
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trap "rm -f ${lock_file}" 0
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if dry_run; then
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echo "[dry-run] btrfs subvolume snapshot of ${jail_path} to ${inc_path}"
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else
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mkdir --parents "$(dirname "${inc_path}")"
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# create a btrfs readonly snapshot from the jail
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/bin/btrfs subvolume snapshot -r "${jail_path}" "${inc_path}" | debug
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fi
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end=$(current_time)
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notice "${jail_name}: inc '${inc_name}' has been created [${start}/${end}]"
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)
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fi
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}
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create_inc_ext4() {
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jail_name=$1
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inc_name=$2
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jail_path=$(jail_path "${jail_name}")
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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# The lock file prevents from starting a new copy when one is already being done
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lock_file="${LOCKDIR}/inc-${jail_name}-${inc_name}.lock"
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if [ -f "${lock_file}" ]; then
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warning "${jail_name}: skipping '${inc_name}', it is already being created."
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else
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(
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start=$(current_time)
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mkdir --parents "${LOCKDIR}" && touch "${lock_file}"
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# shellcheck disable=SC2064
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trap "rm -f ${lock_file}" 0
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if dry_run; then
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echo "[dry-run] copy of ${jail_path} to ${inc_path}"
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else
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mkdir --parents "$(dirname "${inc_path}")"
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# create a copy of the jail with hard links
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cp --archive --link --one-file-system "${jail_path}/" "${inc_path}"
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fi
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end=$(current_time)
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notice "${jail_name}: in '${inc_name}' has been created [${start}/${end}]"
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)
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fi
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}
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inc_name=$(date +"%Y-%m-%d-%H")
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for jail_name in $(jails_list); do
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jail_path=$(jail_path "${jail_name}")
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inc_path=$(inc_path "${jail_name}" "${inc_name}")
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incs_policy_file=$(current_jail_incs_policy_file ${jail_name})
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# If no incs policy is found, we don't create incs
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if [ -n "${incs_policy_file}" ]; then
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# If not incs directory is found, we don't create incs
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if [ ! -d "${inc_path}" ]; then
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if is_btrfs "${jail_path}"; then
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create_inc_btrfs "${jail_name}" "${inc_name}"
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else
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create_inc_ext4 "${jail_name}" "${inc_name}"
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fi
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else
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warning "${jail_name}: skipping ${inc_name}, it already exists."
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fi
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else
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warning "${jail_name}: skipping ${inc_name}, incs policy not found."
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fi
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done
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