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74 lines
2.1 KiB
Bash
74 lines
2.1 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 RESILVER.FINISH or SCRUB.FINISH.
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# By default, "zpool status" output will only be included in the email for
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# a scrub.finish zevent if the pool is not healthy; to always include its
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# output, set ZED_EMAIL_VERBOSE=1.
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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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# 4: unsupported event class
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# 5: internal error
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#
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test -f "${ZED_SCRIPT_DIR}/zed.rc" && . "${ZED_SCRIPT_DIR}/zed.rc"
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test -n "${ZEVENT_POOL}" || exit 5
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test -n "${ZEVENT_SUBCLASS}" || exit 5
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if test "${ZEVENT_SUBCLASS}" = "resilver.finish"; then
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ACTION="resilvering"
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elif test "${ZEVENT_SUBCLASS}" = "scrub.finish"; then
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ACTION="scrubbing"
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else
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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 "$0"`: unsupported event class \"${ZEVENT_SUBCLASS}\"
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exit 4
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fi
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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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if ! test -x "${ZPOOL}"; then
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logger -t "${ZED_SYSLOG_TAG:=zed}" \
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-p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \
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`basename "$0"`: "${ZPOOL}" not installed
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exit 3
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fi
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# For scrub, suppress email if pool is healthy and verbosity is not enabled.
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if test "${ZEVENT_SUBCLASS}" = "scrub.finish"; then
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HEALTHY=`"${ZPOOL}" status -x "${ZEVENT_POOL}" | \
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grep "'${ZEVENT_POOL}' is healthy"`
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test -n "${HEALTHY}" -a "${ZED_EMAIL_VERBOSE:=0}" = 0 && exit 2
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fi
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"${MAIL}" -s "ZFS ${ZEVENT_SUBCLASS} event for ${ZEVENT_POOL} on `hostname`" \
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"${ZED_EMAIL}" <<EOF
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A ZFS pool has finished ${ACTION}:
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eid: ${ZEVENT_EID}
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host: `hostname`
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time: ${ZEVENT_TIME_STRING}
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`"${ZPOOL}" status "${ZEVENT_POOL}"`
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EOF
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MAIL_STATUS=$?
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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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