FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/cmd/zed/zed.d/generic-notify.sh

     #!/bin/sh
     # shellcheck disable=SC2154
     #
     # Send notification in response to a given zevent.
     #
     # This is a generic script than can be symlinked to a file in the
     # enabled-zedlets directory to have a notification sent when a particular
     # class of zevents occurs.  The symlink filename must begin with the zevent
     # (sub)class string (e.g., "probe_failure-notify.sh" for the "probe_failure"
    # subclass).  Refer to the zed(8) manpage for details.
    #
    # Only one notification per ZED_NOTIFY_INTERVAL_SECS will be sent for a given
    # class/pool combination.  This protects against spamming the recipient
    # should multiple events occur together in time for the same pool.
    #
    # Exit codes:
    #   0: notification sent
    #   1: notification failed
    #   2: notification not configured
    #   3: notification suppressed
    
    [ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
    . "${ZED_ZEDLET_DIR}/zed-functions.sh"
    
    # Rate-limit the notification based in part on the filename.
    #
    rate_limit_tag="${ZEVENT_POOL};${ZEVENT_SUBCLASS};${0##*/}"
    rate_limit_interval="${ZED_NOTIFY_INTERVAL_SECS}"
    zed_rate_limit "${rate_limit_tag}" "${rate_limit_interval}" || exit 3
    
    umask 077
    pool_str="${ZEVENT_POOL:+" for ${ZEVENT_POOL}"}"
    host_str=" on $(hostname)"
    note_subject="ZFS ${ZEVENT_SUBCLASS} event${pool_str}${host_str}"
    note_pathname="$(mktemp)"
    {
        echo "ZFS has posted the following event:"
        echo
        echo "   eid: ${ZEVENT_EID}"
        echo " class: ${ZEVENT_SUBCLASS}"
        echo "  host: $(hostname)"
        echo "  time: ${ZEVENT_TIME_STRING}"
    
        [ -n "${ZEVENT_VDEV_TYPE}" ] && echo " vtype: ${ZEVENT_VDEV_TYPE}"
        [ -n "${ZEVENT_VDEV_PATH}" ] && echo " vpath: ${ZEVENT_VDEV_PATH}"
        [ -n "${ZEVENT_VDEV_GUID}" ] && echo " vguid: ${ZEVENT_VDEV_GUID}"
    
        [ -n "${ZEVENT_POOL}" ] && [ -x "${ZPOOL}" ] \
            && "${ZPOOL}" status "${ZEVENT_POOL}"
    
    } > "${note_pathname}"
    
    zed_notify "${note_subject}" "${note_pathname}"; rv=$?
    rm -f "${note_pathname}"
    exit "${rv}"

Cache object: 30e3839b6dc36aee7f5d1470ac59de1c