1#!/bin/sh 2# 3# Send notification in response to a given zevent. 4# 5# This is a generic script than can be symlinked to a file in the 6# enabled-zedlets directory to have a notification sent when a particular 7# class of zevents occurs. The symlink filename must begin with the zevent 8# (sub)class string (e.g., "probe_failure-notify.sh" for the "probe_failure" 9# subclass). Refer to the zed(8) manpage for details. 10# 11# Only one notification per ZED_NOTIFY_INTERVAL_SECS will be sent for a given 12# class/pool combination. This protects against spamming the recipient 13# should multiple events occur together in time for the same pool. 14# 15# Exit codes: 16# 0: notification sent 17# 1: notification failed 18# 2: notification not configured 19# 3: notification suppressed 20 21[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc" 22. "${ZED_ZEDLET_DIR}/zed-functions.sh" 23 24# Rate-limit the notification based in part on the filename. 25# 26rate_limit_tag="${ZEVENT_POOL};${ZEVENT_SUBCLASS};$(basename -- "$0")" 27rate_limit_interval="${ZED_NOTIFY_INTERVAL_SECS}" 28zed_rate_limit "${rate_limit_tag}" "${rate_limit_interval}" || exit 3 29 30umask 077 31pool_str="${ZEVENT_POOL:+" for ${ZEVENT_POOL}"}" 32host_str=" on $(hostname)" 33note_subject="ZFS ${ZEVENT_SUBCLASS} event${pool_str}${host_str}" 34note_pathname="${TMPDIR:="/tmp"}/$(basename -- "$0").${ZEVENT_EID}.$$" 35{ 36 echo "ZFS has posted the following event:" 37 echo 38 echo " eid: ${ZEVENT_EID}" 39 echo " class: ${ZEVENT_SUBCLASS}" 40 echo " host: $(hostname)" 41 echo " time: ${ZEVENT_TIME_STRING}" 42 43 [ -n "${ZEVENT_VDEV_TYPE}" ] && echo " vtype: ${ZEVENT_VDEV_TYPE}" 44 [ -n "${ZEVENT_VDEV_PATH}" ] && echo " vpath: ${ZEVENT_VDEV_PATH}" 45 [ -n "${ZEVENT_VDEV_GUID}" ] && echo " vguid: ${ZEVENT_VDEV_GUID}" 46 47 [ -n "${ZEVENT_POOL}" ] && [ -x "${ZPOOL}" ] \ 48 && "${ZPOOL}" status "${ZEVENT_POOL}" 49 50} > "${note_pathname}" 51 52zed_notify "${note_subject}" "${note_pathname}"; rv=$? 53rm -f "${note_pathname}" 54exit "${rv}" 55