bin/backup-status

   1 #!/bin/bash
   2 #
   3 # backup-script system for cloning systems using rsync
   4 # Copyright (c)2008-2015 Alexander Barton, alex@barton.de
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 # Please read the file COPYING, README and AUTHORS for more information.
  11 #
  12
  13 NAME=`basename $0`
  14 QUICK=0
  15
  16 export LC_ALL=C
  17
  18 declare -i count=0
  19 declare -i snapshots=0
  20
  21 # Default settings, can be overwritten in backup-script.conf:
  22 [ -d "/usr/local/etc/backup-script.d" ] \
  23         && conf_d="/usr/local/etc/backup-script.d" \
  24         || conf_d="/etc/backup-script.d"
  25 default_target=""
  26 default_generations=0
  27
  28 # Search configuration file (last one is used as default!)
  29 for conf in \
  30         "/usr/local/etc/backup-script.conf" \
  31         "/etc/backup-script.conf" \
  32         "${conf_d}/backup-script.conf" \
  33         "/usr/local/etc/backup-script.conf" \
  34 ; do
  35         if [ -r "$conf" ]; then
  36                 source "$conf"
  37                 break
  38         fi
  39 done
  40
  41 Check_Size() {
  42         # $1: directory
  43         # $2: padding
  44
  45         if [ "$QUICK" = "0" ]; then
  46                 size=`du -Hhs "$1" | cut -f1`
  47                 echo "$2  - Size:" $size
  48         fi
  49 }
  50
  51 Check_Stamp() {
  52         # $1: stamp file
  53         # $2: padding
  54
  55         if [ -f "$1" ]; then
  56                 if [ "$(uname)" = "Linux" ]; then
  57                         last=`LC_ALL=C stat "$1" | grep "^Modify: " \
  58                          | cut -d':' -f2- | cut -d. -f1`
  59                 else
  60                         last=`LC_ALL=C stat -f "%Sc" "$1"`
  61                 fi
  62                 [ -n "$last" ] && echo "$2  - Date:" $last
  63                 code=
  64                 source "$1"
  65                 case "$code" in
  66                   0)    txt=", OK"; ;;
  67                   24)   txt=", WARNING (some files vanished during backup)"; ;;
  68                   *)    txt=", ERROR"
  69                 esac
  70                 [ -n "$code" ] && echo "$2  - Result code: $code$txt"
  71         else
  72                 echo "$2  - No timestamp recorded! Backup currently running or aborted?"
  73         fi
  74 }
  75
  76 if [ "$1" == "-q" ]; then
  77         QUICK=1
  78         shift
  79 fi
  80
  81 case "$1" in
  82     "-"*)
  83         echo "Usage: $NAME [-q] [<system> [<system> [...]]]"
  84         exit 2
  85         ;;
  86 esac
  87
  88 if [ $# -ge 1 ]; then
  89         for s in "$@"; do
  90                 if [ ! -r "${conf_d}/$s" ]; then
  91                         echo "$NAME: Can' read \"${conf_d}/$s\"!"
  92                         exit 1
  93                 fi
  94                 sys="$sys ${conf_d}/$s"
  95         done
  96 else
  97         sys="${conf_d}/"*
  98 fi
  99
 100 [ -r "${conf_d}/backup-script.conf" ] && source "${conf_d}/backup-script.conf"
 101
 102 for f in $sys; do
 103         [ -r "$f" -a -f "$f" ] || continue
 104
 105         fname=`basename $f`
 106         case "$fname" in
 107                 "backup-script.conf"|*.sh)
 108                         continue
 109                         ;;
 110         esac
 111
 112         # Set global defaults
 113         system="$fname"
 114         target="$default_target"
 115         generations="$default_generations"
 116
 117         # Read in system configuration file
 118         source "$f"
 119
 120         target="$target/$system"
 121
 122         [ -d "$target" ] || continue
 123
 124         # System name
 125         [ "$system" = "$fname" ] && echo "$fname" || echo "$fname [$system]"
 126
 127         # System target directory
 128         echo "- Target: $target"
 129
 130         if [ $generations -gt 0 ]; then
 131                 for s in $target/current $target/[0-9]*-[0-9]*; do
 132                         [ -e "$s" ] || continue
 133                         echo "  - Snapshot: $s"
 134                         Check_Size "$s" "  "
 135                         Check_Stamp "$s/.stamp" "  "
 136                         snapshots=$snapshots+1
 137                 done
 138         else
 139                 # Timestamp and result code
 140                 Check_Size "$target"
 141                 Check_Stamp "$target/.stamp"
 142                 snapshots=$snapshots+1
 143         fi
 144
 145         count=$count+1
 146         echo
 147 done
 148
 149 if [ $count -lt 1 ]; then
 150         echo "No backups found!"
 151         exit 1
 152 fi
 153 [ $count -eq 1 ] && sc="" || sc="s"
 154 [ $snapshots -eq 1 ] && ss="" || ss="s"
 155 echo "$count system backup$sc found, $snapshots snapshot$ss."
 156
 157 # -eof-