smartd_warning.sh.in

   1 #! /bin/sh
   2 #
   3 # smartd warning script
   4 #
   5 # Home page of code is: http://www.smartmontools.org
   6 #
   7 # Copyright (C) 2012-16 Christian Franke
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2, or (at your option)
  12 # any later version.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # $Id: smartd_warning.sh.in 4351 2016-10-17 18:53:40Z chrfranke $
  18 #
  19
  20 set -e
  21
  22 # Set by config.status
  23 @ENABLE_SCRIPTPATH_TRUE@export PATH="@scriptpath@"
  24 PACKAGE="@PACKAGE@"
  25 VERSION="@VERSION@"
  26 prefix="@prefix@"
  27 sysconfdir="@sysconfdir@"
  28 smartdscriptdir="@smartdscriptdir@"
  29
  30 # Default mailer
  31 os_mailer="@os_mailer@"
  32
  33 # Plugin directory (disabled if empty)
  34 plugindir="@smartdplugindir@"
  35
  36 # Parse options
  37 dryrun=
  38 case $1 in
  39   --dryrun) dryrun=t; shift ;;
  40 esac
  41
  42 if [ $# != 0 ]; then
  43   cat <<EOF
  44 smartd $VERSION warning message script
  45
  46 Usage:
  47   export SMARTD_MAILER='Path to external script, empty for "$os_mailer"'
  48   export SMARTD_ADDRESS='Space separated mail adresses, empty if none'
  49   export SMARTD_MESSAGE='Error Message'
  50   export SMARTD_FAILTYPE='Type of failure, "EMailTest" for tests'
  51   export SMARTD_TFIRST='Date of first message sent, empty if none'
  52   #export SMARTD_TFIRSTEPOCH='time_t format of above'
  53   export SMARTD_PREVCNT='Number of previous messages, 0 if none'
  54   export SMARTD_NEXTDAYS='Number of days until next message, empty if none'
  55   export SMARTD_DEVICEINFO='Device identify information'
  56   #export SMARTD_DEVICE='Device name'
  57   #export SMARTD_DEVICESTRING='Annotated device name'
  58   #export SMARTD_DEVICETYPE='Device type from -d directive, "auto" if none'
  59   $0 [--dryrun]
  60 EOF
  61   exit 1
  62 fi
  63
  64 if [ -z "${SMARTD_ADDRESS}${SMARTD_MAILER}" ]; then
  65   echo "$0: SMARTD_ADDRESS or SMARTD_MAILER must be set" >&2
  66   exit 1
  67 fi
  68
  69 # Get host and domain names
  70 for cmd in @os_hostname@ 'echo "[Unknown]"'; do
  71   hostname=`eval $cmd 2>/dev/null` || continue
  72   test -n "$hostname" || continue
  73   break
  74 done
  75
  76 dnsdomain=${hostname#*.}
  77 if [ "$dnsdomain" != "$hostname" ]; then
  78   # hostname command printed FQDN
  79   hostname=${hostname%%.*}
  80 else
  81   for cmd in @os_dnsdomainname@ 'echo'; do
  82     dnsdomain=`eval $cmd 2>/dev/null` || continue
  83     break
  84   done
  85   test "$dnsdomain" != "(none)" || dnsdomain=
  86 fi
  87
  88 for cmd in @os_nisdomainname@ 'echo'; do
  89   nisdomain=`eval $cmd 2>/dev/null` || continue
  90   break
  91 done
  92 test "$nisdomain" != "(none)" || nisdomain=
  93
  94 # Format subject
  95 export SMARTD_SUBJECT="SMART error (${SMARTD_FAILTYPE-[SMARTD_FAILTYPE]}) detected on host: $hostname"
  96
  97 # Format message
  98 fullmessage=`
  99   echo "This message was generated by the smartd daemon running on:"
 100   echo
 101   echo "   host name:  $hostname"
 102   echo "   DNS domain: ${dnsdomain:-[Empty]}"
 103   test -z "$nisdomain" ||
 104     echo "   NIS domain: $nisdomain"
 105   @OS_WIN32_TRUE@test -z "$USERDOMAIN" ||
 106   @OS_WIN32_TRUE@  echo "   Win domain: $USERDOMAIN"
 107   echo
 108   echo "The following warning/error was logged by the smartd daemon:"
 109   echo
 110   echo "${SMARTD_MESSAGE-[SMARTD_MESSAGE]}"
 111   echo
 112   echo "Device info:"
 113   echo "${SMARTD_DEVICEINFO-[SMARTD_DEVICEINFO]}"
 114   echo
 115   echo "For details see host's SYSLOG."
 116   if [ "$SMARTD_FAILTYPE" != "EmailTest" ]; then
 117     echo
 118     echo "You can also use the smartctl utility for further investigation."
 119     test "$SMARTD_PREVCNT" = "0" ||
 120       echo "The original message about this issue was sent at ${SMARTD_TFIRST-[SMARTD_TFIRST]}"
 121     case $SMARTD_NEXTDAYS in
 122       '') echo "No additional messages about this problem will be sent." ;;
 123       1)  echo "Another message will be sent in 24 hours if the problem persists." ;;
 124       *)  echo "Another message will be sent in $SMARTD_NEXTDAYS days if the problem persists." ;;
 125     esac
 126   fi
 127 `
 128
 129 # Export message with trailing newline
 130 export SMARTD_FULLMESSAGE="$fullmessage
 131 "
 132
 133 # Run plugin scripts if requested
 134 if test -n "$plugindir"; then
 135  case " $SMARTD_ADDRESS" in
 136   *\ @*)
 137     if [ -n "$dryrun" ]; then
 138       echo "export SMARTD_SUBJECT='$SMARTD_SUBJECT'"
 139       echo "export SMARTD_FULLMESSAGE='$SMARTD_FULLMESSAGE'"
 140     fi
 141
 142     # Run ALL scripts if requested
 143     case " $SMARTD_ADDRESS " in
 144       *\ @ALL\ *)
 145         for cmd in "$plugindir"/*; do
 146           if [ -f "$cmd" ] && [ -x "$cmd" ]; then
 147             if [ -n "$dryrun" ]; then
 148               echo "$cmd </dev/null"
 149             else
 150               "$cmd" </dev/null
 151             fi
 152           fi
 153         done
 154         ;;
 155     esac
 156
 157     # Run selected scripts
 158     addrs=$SMARTD_ADDRESS
 159     SMARTD_ADDRESS=
 160     for ad in $addrs; do
 161       case $ad in
 162         @ALL)
 163           ;;
 164         @?*)
 165           cmd="$plugindir/${ad#@}"
 166           if [ -f "$cmd" ] && [ -x "$cmd" ]; then
 167             if [ -n "$dryrun" ]; then
 168               echo "$cmd </dev/null"
 169             else
 170               "$cmd" </dev/null
 171             fi
 172           elif [ ! -e "$cmd" ]; then
 173             echo "$cmd: Not found" >&2
 174           fi
 175           ;;
 176         *)
 177           SMARTD_ADDRESS="${SMARTD_ADDRESS:+ }$ad"
 178           ;;
 179       esac
 180     done
 181
 182     # Send email to remaining addresses
 183     test -n "$SMARTD_ADDRESS" || exit 0
 184     ;;
 185  esac
 186 fi
 187
 188 # Send mail or run command
 189 if [ -n "$SMARTD_ADDRESS" ]; then
 190
 191   # Send mail, use platform mailer by default
 192   test -n "$SMARTD_MAILER" || SMARTD_MAILER=$os_mailer
 193   if [ -n "$dryrun" ]; then
 194     echo "exec '$SMARTD_MAILER' -s '$SMARTD_SUBJECT' $SMARTD_ADDRESS <<EOF
 195 $fullmessage
 196 EOF"
 197   else
 198     exec "$SMARTD_MAILER" -s "$SMARTD_SUBJECT" $SMARTD_ADDRESS <<EOF
 199 $fullmessage
 200 EOF
 201   fi
 202
 203 elif [ -n "$SMARTD_MAILER" ]; then
 204
 205   # Run command
 206   if [ -n "$dryrun" ]; then
 207     echo "export SMARTD_SUBJECT='$SMARTD_SUBJECT'"
 208     echo "export SMARTD_FULLMESSAGE='$SMARTD_FULLMESSAGE'"
 209     echo "exec '$SMARTD_MAILER' </dev/null"
 210   else
 211     unset SMARTD_ADDRESS
 212     exec "$SMARTD_MAILER" </dev/null
 213   fi
 214
 215 fi