cmd/zed/zed.d/statechange-notify.sh

   1 #!/bin/sh
   2 # shellcheck disable=SC2154
   3 #
   4 # CDDL HEADER START
   5 #
   6 # The contents of this file are subject to the terms of the
   7 # Common Development and Distribution License Version 1.0 (CDDL-1.0).
   8 # You can obtain a copy of the license from the top-level file
   9 # "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
  10 # You may not use this file except in compliance with the license.
  11 #
  12 # CDDL HEADER END
  13 #
  14
  15 #
  16 # Send notification in response to a fault induced statechange
  17 #
  18 # ZEVENT_SUBCLASS: 'statechange'
  19 # ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED', 'REMOVED', or 'UNAVAIL'
  20 #
  21 # Exit codes:
  22 #   0: notification sent
  23 #   1: notification failed
  24 #   2: notification not configured
  25 #   3: statechange not relevant
  26 #   4: statechange string missing (unexpected)
  27
  28 [ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
  29 . "${ZED_ZEDLET_DIR}/zed-functions.sh"
  30
  31 [ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
  32
  33 if [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
  34         && [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
  35         && [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ] \
  36         && [ "${ZEVENT_VDEV_STATE_STR}" != "UNAVAIL" ]; then
  37     exit 3
  38 fi
  39
  40 umask 077
  41 note_subject="ZFS device fault for pool ${ZEVENT_POOL} on $(hostname)"
  42 note_pathname="$(mktemp)"
  43 {
  44     if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
  45         echo "The number of I/O errors associated with a ZFS device exceeded"
  46         echo "acceptable levels. ZFS has marked the device as faulted."
  47     elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
  48         echo "The number of checksum errors associated with a ZFS device"
  49         echo "exceeded acceptable levels. ZFS has marked the device as"
  50         echo "degraded."
  51     else
  52         echo "ZFS has detected that a device was removed."
  53     fi
  54
  55     echo
  56     echo " impact: Fault tolerance of the pool may be compromised."
  57     echo "    eid: ${ZEVENT_EID}"
  58     echo "  class: ${ZEVENT_SUBCLASS}"
  59     echo "  state: ${ZEVENT_VDEV_STATE_STR}"
  60     echo "   host: $(hostname)"
  61     echo "   time: ${ZEVENT_TIME_STRING}"
  62
  63     [ -n "${ZEVENT_VDEV_TYPE}" ] && echo "  vtype: ${ZEVENT_VDEV_TYPE}"
  64     [ -n "${ZEVENT_VDEV_PATH}" ] && echo "  vpath: ${ZEVENT_VDEV_PATH}"
  65     [ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo "  vphys: ${ZEVENT_VDEV_PHYSPATH}"
  66     [ -n "${ZEVENT_VDEV_GUID}" ] && echo "  vguid: ${ZEVENT_VDEV_GUID}"
  67     [ -n "${ZEVENT_VDEV_DEVID}" ] && echo "  devid: ${ZEVENT_VDEV_DEVID}"
  68
  69     echo "   pool: ${ZEVENT_POOL} (${ZEVENT_POOL_GUID})"
  70
  71 } > "${note_pathname}"
  72
  73 zed_notify "${note_subject}" "${note_pathname}"; rv=$?
  74
  75 rm -f "${note_pathname}"
  76 exit "${rv}"