1eda14cbcSMatt Macy#!/bin/sh 2*e92ffd9bSMartin Matuska# shellcheck disable=SC2154 3eda14cbcSMatt Macy# 4eda14cbcSMatt Macy# Send notification in response to a given zevent. 5eda14cbcSMatt Macy# 6eda14cbcSMatt Macy# This is a generic script than can be symlinked to a file in the 7eda14cbcSMatt Macy# enabled-zedlets directory to have a notification sent when a particular 8eda14cbcSMatt Macy# class of zevents occurs. The symlink filename must begin with the zevent 9eda14cbcSMatt Macy# (sub)class string (e.g., "probe_failure-notify.sh" for the "probe_failure" 10eda14cbcSMatt Macy# subclass). Refer to the zed(8) manpage for details. 11eda14cbcSMatt Macy# 12eda14cbcSMatt Macy# Only one notification per ZED_NOTIFY_INTERVAL_SECS will be sent for a given 13eda14cbcSMatt Macy# class/pool combination. This protects against spamming the recipient 14eda14cbcSMatt Macy# should multiple events occur together in time for the same pool. 15eda14cbcSMatt Macy# 16eda14cbcSMatt Macy# Exit codes: 17eda14cbcSMatt Macy# 0: notification sent 18eda14cbcSMatt Macy# 1: notification failed 19eda14cbcSMatt Macy# 2: notification not configured 20eda14cbcSMatt Macy# 3: notification suppressed 21eda14cbcSMatt Macy 22eda14cbcSMatt Macy[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc" 23eda14cbcSMatt Macy. "${ZED_ZEDLET_DIR}/zed-functions.sh" 24eda14cbcSMatt Macy 25eda14cbcSMatt Macy# Rate-limit the notification based in part on the filename. 26eda14cbcSMatt Macy# 27dae17134SMartin Matuskarate_limit_tag="${ZEVENT_POOL};${ZEVENT_SUBCLASS};${0##*/}" 28eda14cbcSMatt Macyrate_limit_interval="${ZED_NOTIFY_INTERVAL_SECS}" 29eda14cbcSMatt Macyzed_rate_limit "${rate_limit_tag}" "${rate_limit_interval}" || exit 3 30eda14cbcSMatt Macy 31eda14cbcSMatt Macyumask 077 32eda14cbcSMatt Macypool_str="${ZEVENT_POOL:+" for ${ZEVENT_POOL}"}" 33eda14cbcSMatt Macyhost_str=" on $(hostname)" 34eda14cbcSMatt Macynote_subject="ZFS ${ZEVENT_SUBCLASS} event${pool_str}${host_str}" 3516038816SMartin Matuskanote_pathname="$(mktemp)" 36eda14cbcSMatt Macy{ 37eda14cbcSMatt Macy echo "ZFS has posted the following event:" 38eda14cbcSMatt Macy echo 39eda14cbcSMatt Macy echo " eid: ${ZEVENT_EID}" 40eda14cbcSMatt Macy echo " class: ${ZEVENT_SUBCLASS}" 41eda14cbcSMatt Macy echo " host: $(hostname)" 42eda14cbcSMatt Macy echo " time: ${ZEVENT_TIME_STRING}" 43eda14cbcSMatt Macy 44eda14cbcSMatt Macy [ -n "${ZEVENT_VDEV_TYPE}" ] && echo " vtype: ${ZEVENT_VDEV_TYPE}" 45eda14cbcSMatt Macy [ -n "${ZEVENT_VDEV_PATH}" ] && echo " vpath: ${ZEVENT_VDEV_PATH}" 46eda14cbcSMatt Macy [ -n "${ZEVENT_VDEV_GUID}" ] && echo " vguid: ${ZEVENT_VDEV_GUID}" 47eda14cbcSMatt Macy 48eda14cbcSMatt Macy [ -n "${ZEVENT_POOL}" ] && [ -x "${ZPOOL}" ] \ 49eda14cbcSMatt Macy && "${ZPOOL}" status "${ZEVENT_POOL}" 50eda14cbcSMatt Macy 51eda14cbcSMatt Macy} > "${note_pathname}" 52eda14cbcSMatt Macy 53eda14cbcSMatt Macyzed_notify "${note_subject}" "${note_pathname}"; rv=$? 54eda14cbcSMatt Macyrm -f "${note_pathname}" 55eda14cbcSMatt Macyexit "${rv}" 56