cmd/zed/zed.d/resilver.finish-notify.sh

   1 #!/bin/sh
   2 #
   3 # Send notification in response to a RESILVER.FINISH or SCRUB.FINISH.
   4 #
   5 # By default, "zpool status" output will only be included for a scrub.finish
   6 # zevent if the pool is not healthy; to always include its output, set
   7 # ZED_NOTIFY_VERBOSE=1.
   8 #
   9 # Exit codes:
  10 #   0: notification sent
  11 #   1: notification failed
  12 #   2: notification not configured
  13 #   3: notification suppressed
  14 #   9: internal error
  15
  16 [ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
  17 . "${ZED_ZEDLET_DIR}/zed-functions.sh"
  18
  19 [ -n "${ZEVENT_POOL}" ] || exit 9
  20 [ -n "${ZEVENT_SUBCLASS}" ] || exit 9
  21
  22 if   [ "${ZEVENT_SUBCLASS}" = "resilver.finish" ]; then
  23     action="resilver"
  24 elif [ "${ZEVENT_SUBCLASS}" = "scrub.finish" ]; then
  25     action="scrub"
  26 else
  27     zed_log_err "unsupported event class \"${ZEVENT_SUBCLASS}\""
  28     exit 9
  29 fi
  30
  31 zed_check_cmd "${ZPOOL}" || exit 9
  32
  33 # For scrub, suppress notification if the pool is healthy
  34 # and verbosity is not enabled.
  35 #
  36 if [ "${ZEVENT_SUBCLASS}" = "scrub.finish" ]; then
  37     healthy="$("${ZPOOL}" status -x "${ZEVENT_POOL}" \
  38         | grep "'${ZEVENT_POOL}' is healthy")"
  39     [ -n "${healthy}" ] && [ "${ZED_NOTIFY_VERBOSE}" -eq 0 ] && exit 3
  40 fi
  41
  42 umask 077
  43 note_subject="ZFS ${ZEVENT_SUBCLASS} event for ${ZEVENT_POOL} on $(hostname)"
  44 note_pathname="${TMPDIR:="/tmp"}/$(basename -- "$0").${ZEVENT_EID}.$$"
  45 {
  46     echo "ZFS has finished a ${action}:"
  47     echo
  48     echo "   eid: ${ZEVENT_EID}"
  49     echo " class: ${ZEVENT_SUBCLASS}"
  50     echo "  host: $(hostname)"
  51     echo "  time: ${ZEVENT_TIME_STRING}"
  52
  53     "${ZPOOL}" status "${ZEVENT_POOL}"
  54
  55 } > "${note_pathname}"
  56
  57 zed_notify "${note_subject}" "${note_pathname}"; rv=$?
  58 rm -f "${note_pathname}"
  59 exit "${rv}"