60 lines
1.9 KiB
Bash
60 lines
1.9 KiB
Bash
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#!/bin/sh
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#
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# Send email to ZED_EMAIL in response to a given zevent.
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# This is a generic script than can be symlinked to a file in the zed
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# enabled-scripts directory in order to have email sent when a particular
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# class of zevents occurs. The symlink filename must begin with the zevent
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# (sub)class string (eg, "probe_failure-email.sh" for the "probe_failure"
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# subclass). Refer to the zed(8) manpage for details.
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# Exit codes:
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# 0: email sent
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# 1: email failed
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# 2: email suppressed
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# 3: missing executable
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#
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test -f "${ZED_SCRIPT_DIR}/zed.rc" && . "${ZED_SCRIPT_DIR}/zed.rc"
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# Only send email if ZED_EMAIL has been configured.
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test -n "${ZED_EMAIL}" || exit 2
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# Ensure requisite executables are installed.
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if ! command -v "${MAIL:=mail}" >/dev/null 2>&1; then
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logger -t "${ZED_SYSLOG_TAG:=zed}" \
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-p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \
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`basename "$0"`: "${MAIL}" not installed
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exit 3
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fi
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# Override the default umask to restrict access to the msgbody tmpfile.
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umask 077
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SUBJECT="ZFS ${ZEVENT_SUBCLASS} event"
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test -n "${ZEVENT_POOL}" && SUBJECT="${SUBJECT} for ${ZEVENT_POOL}"
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SUBJECT="${SUBJECT} on `hostname`"
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MSGBODY="${TMPDIR:=/tmp}/`basename \"$0\"`.$$"
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{
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echo "A ZFS ${ZEVENT_SUBCLASS} event has been posted:"
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echo
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echo " eid: ${ZEVENT_EID}"
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echo " host: `hostname`"
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echo " time: ${ZEVENT_TIME_STRING}"
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test -n "${ZEVENT_VDEV_TYPE}" -a -n "${ZEVENT_VDEV_PATH}" && \
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echo " vdev: ${ZEVENT_VDEV_TYPE}:${ZEVENT_VDEV_PATH}"
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test -n "${ZEVENT_POOL}" -a -x "${ZPOOL}" && \
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"${ZPOOL}" status "${ZEVENT_POOL}"
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} > "${MSGBODY}"
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test -f "${MSGBODY}" && "${MAIL}" -s "${SUBJECT}" "${ZED_EMAIL}" < "${MSGBODY}"
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MAIL_STATUS=$?
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rm -f "${MSGBODY}"
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if test "${MAIL_STATUS}" -ne 0; then
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logger -t "${ZED_SYSLOG_TAG:=zed}" \
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-p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \
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`basename "$0"`: "${MAIL}" exit="${MAIL_STATUS}"
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exit 1
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fi
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exit 0
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