Created
March 3, 2020 22:38
-
-
Save soyfrien/d6020f45a7febe85f14efbb44bd55eff to your computer and use it in GitHub Desktop.
Notifications for scrub start
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/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_start | |
# 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_start" ]; then | |
action="resilver" | |
elif [ "${ZEVENT_SUBCLASS}" = "scrub_start" ]; then | |
action="scrub" | |
else | |
zed_log_err "unsupported event class \"${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_start" ]; 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 started 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}" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment