xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed.d/statechange-notify.sh (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1#!/bin/sh
2# SPDX-License-Identifier: CDDL-1.0
3# shellcheck disable=SC2154
4#
5# CDDL HEADER START
6#
7# The contents of this file are subject to the terms of the
8# Common Development and Distribution License Version 1.0 (CDDL-1.0).
9# You can obtain a copy of the license from the top-level file
10# "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
11# You may not use this file except in compliance with the license.
12#
13# CDDL HEADER END
14#
15
16#
17# Send notification in response to a fault induced statechange
18#
19# ZEVENT_SUBCLASS: 'statechange'
20# ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED', 'REMOVED', or 'UNAVAIL'
21#
22# Exit codes:
23#   0: notification sent
24#   1: notification failed
25#   2: notification not configured
26#   3: statechange not relevant
27#   4: statechange string missing (unexpected)
28
29[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
30. "${ZED_ZEDLET_DIR}/zed-functions.sh"
31
32[ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
33
34if [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
35        && [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
36        && [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ] \
37        && [ "${ZEVENT_VDEV_STATE_STR}" != "UNAVAIL" ]; then
38    exit 3
39fi
40
41umask 077
42note_subject="ZFS device fault for pool ${ZEVENT_POOL} on $(hostname)"
43note_pathname="$(mktemp)"
44{
45    if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
46        echo "The number of I/O errors associated with a ZFS device exceeded"
47        echo "acceptable levels. ZFS has marked the device as faulted."
48    elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
49        echo "The number of checksum errors associated with a ZFS device"
50        echo "exceeded acceptable levels. ZFS has marked the device as"
51        echo "degraded."
52    else
53        echo "ZFS has detected that a device was removed."
54    fi
55
56    echo
57    echo " impact: Fault tolerance of the pool may be compromised."
58    echo "    eid: ${ZEVENT_EID}"
59    echo "  class: ${ZEVENT_SUBCLASS}"
60    echo "  state: ${ZEVENT_VDEV_STATE_STR}"
61    echo "   host: $(hostname)"
62    echo "   time: ${ZEVENT_TIME_STRING}"
63
64    [ -n "${ZEVENT_VDEV_TYPE}" ] && echo "  vtype: ${ZEVENT_VDEV_TYPE}"
65    [ -n "${ZEVENT_VDEV_PATH}" ] && echo "  vpath: ${ZEVENT_VDEV_PATH}"
66    [ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo "  vphys: ${ZEVENT_VDEV_PHYSPATH}"
67    [ -n "${ZEVENT_VDEV_GUID}" ] && echo "  vguid: ${ZEVENT_VDEV_GUID}"
68    [ -n "${ZEVENT_VDEV_DEVID}" ] && echo "  devid: ${ZEVENT_VDEV_DEVID}"
69
70    echo "   pool: ${ZEVENT_POOL} (${ZEVENT_POOL_GUID})"
71
72} > "${note_pathname}"
73
74zed_notify "${note_subject}" "${note_pathname}"; rv=$?
75
76rm -f "${note_pathname}"
77exit "${rv}"
78