xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed.d/statechange-notify.sh (revision 3332f1b444d4a73238e9f59cca27bfc95fe936bd)
1#!/bin/sh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License Version 1.0 (CDDL-1.0).
7# You can obtain a copy of the license from the top-level file
8# "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
9# You may not use this file except in compliance with the license.
10#
11# CDDL HEADER END
12#
13
14#
15# Send notification in response to a fault induced statechange
16#
17# ZEVENT_SUBCLASS: 'statechange'
18# ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED', 'REMOVED', or 'UNAVAIL'
19#
20# Exit codes:
21#   0: notification sent
22#   1: notification failed
23#   2: notification not configured
24#   3: statechange not relevant
25#   4: statechange string missing (unexpected)
26
27[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
28. "${ZED_ZEDLET_DIR}/zed-functions.sh"
29
30[ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
31
32if [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
33        && [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
34        && [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ] \
35        && [ "${ZEVENT_VDEV_STATE_STR}" != "UNAVAIL" ]; then
36    exit 3
37fi
38
39umask 077
40note_subject="ZFS device fault for pool ${ZEVENT_POOL_GUID} on $(hostname)"
41note_pathname="$(mktemp)"
42{
43    if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
44        echo "The number of I/O errors associated with a ZFS device exceeded"
45        echo "acceptable levels. ZFS has marked the device as faulted."
46    elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
47        echo "The number of checksum errors associated with a ZFS device"
48        echo "exceeded acceptable levels. ZFS has marked the device as"
49        echo "degraded."
50    else
51        echo "ZFS has detected that a device was removed."
52    fi
53
54    echo
55    echo " impact: Fault tolerance of the pool may be compromised."
56    echo "    eid: ${ZEVENT_EID}"
57    echo "  class: ${ZEVENT_SUBCLASS}"
58    echo "  state: ${ZEVENT_VDEV_STATE_STR}"
59    echo "   host: $(hostname)"
60    echo "   time: ${ZEVENT_TIME_STRING}"
61
62    [ -n "${ZEVENT_VDEV_TYPE}" ] && echo "  vtype: ${ZEVENT_VDEV_TYPE}"
63    [ -n "${ZEVENT_VDEV_PATH}" ] && echo "  vpath: ${ZEVENT_VDEV_PATH}"
64    [ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo "  vphys: ${ZEVENT_VDEV_PHYSPATH}"
65    [ -n "${ZEVENT_VDEV_GUID}" ] && echo "  vguid: ${ZEVENT_VDEV_GUID}"
66    [ -n "${ZEVENT_VDEV_DEVID}" ] && echo "  devid: ${ZEVENT_VDEV_DEVID}"
67
68    echo "   pool: ${ZEVENT_POOL_GUID}"
69
70} > "${note_pathname}"
71
72zed_notify "${note_subject}" "${note_pathname}"; rv=$?
73
74rm -f "${note_pathname}"
75exit "${rv}"
76