bin/backup-status

   1 #!/bin/bash
   2 #
   3 # backup-script system for cloning systems using rsync
   4 # Copyright (c)2008-2014 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 $0`
  14 QUICK=0
  15
  16 export LC_ALL=C
  17
  18 declare -i count=0
  19 declare -i snapshots=0
  20
  21 # Default settings, can be overwritten in backup-script.conf:
  22 conf_d="/etc/backup-script.d"
  23 default_target=""
  24 default_generations=0
  25
  26 for conf in "/etc/backup-script.conf" "${conf_d}/backup-script.conf"; do
  27         if [ -r "$conf" ]; then
  28                 source "$conf"
  29         fi
  30 done
  31
  32 Check_Size() {
  33         # $1: directory
  34         # $2: padding
  35
  36         if [ "$QUICK" = "0" ]; then
  37                 size=`du -sh "$1" | cut -f1`
  38                 echo "$2  - Size:" $size
  39         fi
  40 }
  41
  42 Check_Stamp() {
  43         # $1: stamp file
  44         # $2: padding
  45
  46         if [ -f "$1" ]; then
  47                 last=`stat "$1" | grep "^Modify: " \
  48                   | cut -d':' -f2- | cut -d. -f1`
  49                 [ -n "$last" ] && echo "$2  - Date:" $last
  50                 unset code
  51                 source "$1"
  52                 case "$code" in
  53                   0)    txt=", OK"; ;;
  54                   24)   txt=", WARNING (some files vanished during backup)"; ;;
  55                   *)    txt=", ERROR"
  56                 esac
  57                 [ -n "$code" ] && echo "$2  - Result code: $code$txt"
  58         else
  59                 echo "$2  - No timestamp recorded! Backup currently running or aborted?"
  60         fi
  61 }
  62
  63 if [ "$1" == "-q" ]; then
  64         QUICK=1
  65         shift
  66 fi
  67
  68 case "$1" in
  69     "-"*)
  70         echo "Usage: $NAME [-q] [<system> [<system> [...]]]"
  71         exit 1
  72         ;;
  73 esac
  74
  75 if [ $# -ge 1 ]; then
  76         for s in $@; do
  77                 if [ ! -r "${conf_d}/$s" ]; then
  78                         echo "$NAME: Can' read \"${conf_d}/$s\"!"
  79                         exit 1
  80                 fi
  81                 sys="$sys ${conf_d}/$s"
  82         done
  83 else
  84         sys=${conf_d}/*
  85 fi
  86
  87 [ -r "${conf_d}/backup-script.conf" ] && source "${conf_d}/backup-script.conf"
  88
  89 for f in $sys; do
  90         [ -r "$f" -a -f "$f" ] || continue
  91
  92         fname=`basename $f`
  93         case "$fname" in
  94                 "backup-script.conf"|*.sh)
  95                         continue
  96                         ;;
  97         esac
  98
  99         # Set global defaults
 100         system="$fname"
 101         target="$default_target"
 102         generations="$default_generations"
 103
 104         # Read in system configuration file
 105         source "$f"
 106
 107         # Validate configuration
 108         [ "$system" = "localhost" -o "$system" = "127.0.0.1" ] && local=1
 109
 110         destdir="$target"
 111         target="$target/$fname"
 112
 113         [ -d "$target" ] || continue
 114
 115         # System name
 116         [ "$system" = "$fname" ] && echo "$fname" || echo "$fname [$system]"
 117
 118         # System target directory
 119         echo "- Target: $target"
 120
 121         if [ $generations -gt 0 ]; then
 122                 for s in $target/[0-9]*-[0-9]*; do
 123                         echo "  - Snapshot: $s"
 124                         Check_Size "$s" "  "
 125                         Check_Stamp "$s/.stamp" "  "
 126                         snapshots=$snapshots+1
 127                 done
 128         else
 129                 # Timestamp and result code
 130                 Check_Size "$target"
 131                 Check_Stamp "$target/.stamp"
 132                 snapshots=$snapshots+1
 133         fi
 134
 135         count=$count+1
 136         echo
 137 done
 138
 139 if [ $count -lt 1 ]; then
 140         echo "No backups found!"
 141         exit 1
 142 fi
 143 [ $count -eq 1 ] && sc="" || sc="s"
 144 [ $snapshots -eq 1 ] && ss="" || ss="s"
 145 echo "$count system backup$sc found, $snapshots snapshot$ss."
 146
 147 # -eof-