smartd_warning.sh.in

   1 #! /bin/sh
   2 #
   3 # smartd warning script
   4 #
   5 # Copyright (C) 2012-13 Christian Franke <smartmontools-support@lists.sourceforge.net>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2, or (at your option)
  10 # any later version.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
  14 #
  15 # $Id: smartd_warning.sh.in 3809 2013-04-18 19:41:40Z chrfranke $
  16 #
  17
  18 set -e
  19
  20 # Set by config.status
  21 PACKAGE="@PACKAGE@"
  22 VERSION="@VERSION@"
  23 prefix="@prefix@"
  24 sysconfdir="@sysconfdir@"
  25
  26 # Default mailer
  27 os_mailer="@os_mailer@"
  28
  29 # Plugin directory
  30 plugindir="$sysconfdir/smartd_warning.d"
  31
  32 # Parse options
  33 dryrun=
  34 case $1 in
  35   --dryrun) dryrun=t; shift ;;
  36 esac
  37
  38 if [ $# != 0 ]; then
  39   cat <<EOF
  40 smartd $VERSION warning message script
  41
  42 Usage:
  43   export SMARTD_MAILER='Path to external script, empty for "$os_mailer"'
  44   export SMARTD_ADDRESS='Space separated mail adresses, empty if none'
  45   export SMARTD_MESSAGE='Error Message'
  46   export SMARTD_FAILTYPE='Type of failure, "EMailTest" for tests'
  47   export SMARTD_TFIRST='Date of first message sent, empty if none'
  48   #export SMARTD_TFIRSTEPOCH='time_t format of above'
  49   export SMARTD_PREVCNT='Number of previous messages, 0 if none'
  50   export SMARTD_NEXTDAYS='Number of days until next message, empty if none'
  51   export SMARTD_DEVICEINFO='Device identify information'
  52   #export SMARTD_DEVICE='Device name'
  53   #export SMARTD_DEVICESTRING='Annotated device name'
  54   #export SMARTD_DEVICETYPE='Device type from -d directive, "auto" if none'
  55   $0 [--dryrun]
  56 EOF
  57   exit 1
  58 fi
  59
  60 if [ -z "${SMARTD_ADDRESS}${SMARTD_MAILER}" ]; then
  61   echo "$0: SMARTD_ADDRESS or SMARTD_MAILER must be set" >&2
  62   exit 1
  63 fi
  64
  65 # Get host and domain names
  66 for cmd in @os_hostname@ 'echo "[Unknown]"'; do
  67   hostname=`eval $cmd 2>/dev/null` || continue
  68   test -n "$hostname" || continue
  69   break
  70 done
  71
  72 dnsdomain=${hostname#*.}
  73 if [ "$dnsdomain" != "$hostname" ]; then
  74   # hostname command printed FQDN
  75   hostname=${hostname%%.*}
  76 else
  77   for cmd in @os_dnsdomainname@ 'echo'; do
  78     dnsdomain=`eval $cmd 2>/dev/null` || continue
  79     break
  80   done
  81   test "$dnsdomain" != "(none)" || dnsdomain=
  82 fi
  83
  84 for cmd in @os_nisdomainname@ 'echo'; do
  85   nisdomain=`eval $cmd 2>/dev/null` || continue
  86   break
  87 done
  88 test "$nisdomain" != "(none)" || nisdomain=
  89
  90 # Format subject
  91 export SMARTD_SUBJECT="SMART error (${SMARTD_FAILTYPE-[SMARTD_FAILTYPE]}) detected on host: $hostname"
  92
  93 # Format message
  94 fullmessage=`
  95   echo "This message was generated by the smartd daemon running on:"
  96   echo
  97   echo "   host name:  $hostname"
  98   echo "   DNS domain: ${dnsdomain:-[Empty]}"
  99   test -z "$nisdomain" ||
 100     echo "   NIS domain: $nisdomain"
 101   @OS_WIN32_TRUE@test -z "$USERDOMAIN" ||
 102   @OS_WIN32_TRUE@  echo "   Win domain: $USERDOMAIN"
 103   echo
 104   echo "The following warning/error was logged by the smartd daemon:"
 105   echo
 106   echo "${SMARTD_MESSAGE-[SMARTD_MESSAGE]}"
 107   echo
 108   echo "Device info:"
 109   echo "${SMARTD_DEVICEINFO-[SMARTD_DEVICEINFO]}"
 110   echo
 111   echo "For details see host's SYSLOG."
 112   if [ "$SMARTD_FAILTYPE" != "EmailTest" ]; then
 113     echo
 114     echo "You can also use the smartctl utility for further investigation."
 115     test "$SMARTD_PREVCNT" = "0" ||
 116       echo "The original message about this issue was sent at ${SMARTD_TFIRST-[SMARTD_TFIRST]}"
 117     case $SMARTD_NEXTDAYS in
 118       '') echo "No additional messages about this problem will be sent." ;;
 119       1)  echo "Another message will be sent in 24 hours if the problem persists." ;;
 120       *)  echo "Another message will be sent in $SMARTD_NEXTDAYS days if the problem persists." ;;
 121     esac
 122   fi
 123 `
 124
 125 # Export message with trailing newline
 126 export SMARTD_FULLMESSAGE="$fullmessage
 127 "
 128
 129 # Run plugin scripts if requested
 130 case " $SMARTD_ADDRESS" in
 131   *\ @*)
 132     if [ -n "$dryrun" ]; then
 133       echo "export SMARTD_SUBJECT='$SMARTD_SUBJECT'"
 134       echo "export SMARTD_FULLMESSAGE='$SMARTD_FULLMESSAGE'"
 135     fi
 136
 137     # Run ALL scripts if requested
 138     case " $SMARTD_ADDRESS " in
 139       *\ @ALL\ *)
 140         for cmd in "$plugindir"/*; do
 141           if [ -f "$cmd" ] && [ -x "$cmd" ]; then
 142             if [ -n "$dryrun" ]; then
 143               echo "$cmd </dev/null"
 144             else
 145               "$cmd" </dev/null
 146             fi
 147           fi
 148         done
 149         ;;
 150     esac
 151
 152     # Run selected scripts
 153     addrs=$SMARTD_ADDRESS
 154     SMARTD_ADDRESS=
 155     for ad in $addrs; do
 156       case $ad in
 157         @ALL)
 158           ;;
 159         @?*)
 160           cmd="$plugindir/${ad#@}"
 161           if [ -f "$cmd" ] && [ -x "$cmd" ]; then
 162             if [ -n "$dryrun" ]; then
 163               echo "$cmd </dev/null"
 164             else
 165               "$cmd" </dev/null
 166             fi
 167           elif [ ! -e "$cmd" ]; then
 168             echo "$cmd: Not found" >&2
 169           fi
 170           ;;
 171         *)
 172           SMARTD_ADDRESS="${SMARTD_ADDRESS:+ }$ad"
 173           ;;
 174       esac
 175     done
 176
 177     # Send email to remaining addresses
 178     test -n "$SMARTD_ADDRESS" || exit 0
 179     ;;
 180 esac
 181
 182 # Send mail or run command
 183 if [ -n "$SMARTD_ADDRESS" ]; then
 184
 185   # Send mail, use platform mailer by default
 186   test -n "$SMARTD_MAILER" || SMARTD_MAILER=$os_mailer
 187   if [ -n "$dryrun" ]; then
 188     echo "exec '$SMARTD_MAILER' -s '$SMARTD_SUBJECT' $SMARTD_ADDRESS <<EOF
 189 $fullmessage
 190 EOF"
 191   else
 192     exec "$SMARTD_MAILER" -s "$SMARTD_SUBJECT" $SMARTD_ADDRESS <<EOF
 193 $fullmessage
 194 EOF
 195   fi
 196
 197 elif [ -n "$SMARTD_MAILER" ]; then
 198
 199   # Run command
 200   if [ -n "$dryrun" ]; then
 201     echo "export SMARTD_SUBJECT='$SMARTD_SUBJECT'"
 202     echo "export SMARTD_FULLMESSAGE='$SMARTD_FULLMESSAGE'"
 203     echo "exec '$SMARTD_MAILER' </dev/null"
 204   else
 205     unset SMARTD_ADDRESS
 206     exec "$SMARTD_MAILER" </dev/null
 207   fi
 208
 209 fi