zfs-builds-mm/zfs-0.8.4/cmd/zed/zed.d/resilver_finish-notify.sh

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2020-07-19 16:21:53 +02:00
#!/bin/sh
#
# Send notification in response to a RESILVER_FINISH or SCRUB_FINISH.
#
# By default, "zpool status" output will only be included for a scrub_finish
# zevent if the pool is not healthy; to always include its output, set
# ZED_NOTIFY_VERBOSE=1.
#
# Exit codes:
# 0: notification sent
# 1: notification failed
# 2: notification not configured
# 3: notification suppressed
# 9: internal error
[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
. "${ZED_ZEDLET_DIR}/zed-functions.sh"
[ -n "${ZEVENT_POOL}" ] || exit 9
[ -n "${ZEVENT_SUBCLASS}" ] || exit 9
if [ "${ZEVENT_SUBCLASS}" = "resilver_finish" ]; then
action="resilver"
elif [ "${ZEVENT_SUBCLASS}" = "scrub_finish" ]; then
action="scrub"
else
zed_log_err "unsupported event class \"${ZEVENT_SUBCLASS}\""
exit 9
fi
zed_check_cmd "${ZPOOL}" || exit 9
# For scrub, suppress notification if the pool is healthy
# and verbosity is not enabled.
#
if [ "${ZEVENT_SUBCLASS}" = "scrub_finish" ]; then
healthy="$("${ZPOOL}" status -x "${ZEVENT_POOL}" \
| grep "'${ZEVENT_POOL}' is healthy")"
[ -n "${healthy}" ] && [ "${ZED_NOTIFY_VERBOSE}" -eq 0 ] && exit 3
fi
umask 077
note_subject="ZFS ${ZEVENT_SUBCLASS} event for ${ZEVENT_POOL} on $(hostname)"
note_pathname="${TMPDIR:="/tmp"}/$(basename -- "$0").${ZEVENT_EID}.$$"
{
echo "ZFS has finished a ${action}:"
echo
echo " eid: ${ZEVENT_EID}"
echo " class: ${ZEVENT_SUBCLASS}"
echo " host: $(hostname)"
echo " time: ${ZEVENT_TIME_STRING}"
"${ZPOOL}" status "${ZEVENT_POOL}"
} > "${note_pathname}"
zed_notify "${note_subject}" "${note_pathname}"; rv=$?
rm -f "${note_pathname}"
exit "${rv}"