#!/bin/bash
#
# backup-script system for cloning systems using rsync
-# Copyright (c)2008-2013 Alexander Barton, alex@barton.de
+# Copyright (c)2008-2015 Alexander Barton, alex@barton.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#
NAME=`basename $0`
-CONF_D="/etc/backup-script.d"
+PIDFILE="/var/run/backup-script.pid"
QUICK=0
export LC_ALL=C
declare -i snapshots=0
# Default settings, can be overwritten in backup-script.conf:
+[ -d "/usr/local/etc/backup-script.d" ] \
+ && conf_d="/usr/local/etc/backup-script.d" \
+ || conf_d="/etc/backup-script.d"
default_target=""
default_generations=0
+# Search configuration file (last one is used as default!)
+for conf in \
+ "/usr/local/etc/backup-script.conf" \
+ "/etc/backup-script.conf" \
+ "${conf_d}/backup-script.conf" \
+ "/usr/local/etc/backup-script.conf" \
+; do
+ if [ -r "$conf" ]; then
+ source "$conf"
+ break
+ fi
+done
+
Check_Size() {
# $1: directory
# $2: padding
if [ "$QUICK" = "0" ]; then
- size=`du -sh "$1" | cut -f1`
+ size=`du -Hhs "$1" | cut -f1`
echo "$2 - Size:" $size
fi
}
# $2: padding
if [ -f "$1" ]; then
- last=`stat "$1" | grep "^Modify: " \
- | cut -d':' -f2- | cut -d. -f1`
+ if [ "$(uname)" = "Linux" ]; then
+ last=`LC_ALL=C stat "$1" | grep "^Modify: " \
+ | cut -d':' -f2- | cut -d. -f1`
+ else
+ last=`LC_ALL=C stat -f "%Sc" "$1"`
+ fi
[ -n "$last" ] && echo "$2 - Date:" $last
- unset code
+ code=
source "$1"
case "$code" in
0) txt=", OK"; ;;
esac
[ -n "$code" ] && echo "$2 - Result code: $code$txt"
else
- echo "$2 - No timestamp recorded!? Backup aborted?"
+ echo "$2 - No timestamp recorded! Backup currently running or aborted?"
fi
}
+if [ "$1" == "-r" -o "$1" == "--running" ]; then
+ pid="$(cat "$PIDFILE" 2>/dev/null)"
+ if [ -n "$pid" ]; then
+ if kill -0 "$pid" >/dev/null 2>&1; then
+ echo "Backup job running with PID $pid."
+ echo
+ pstree -ap "$pid" 2>/dev/null
+ exit 0
+ else
+ echo "No backup running (invalid PID $pid in \"$PIDFILE\")."
+ exit 1
+ fi
+ fi
+ echo "No backup running (no PID file \"$PIDFILE\" found)."
+ exit 1
+fi
+
if [ "$1" == "-q" ]; then
QUICK=1
shift
case "$1" in
"-"*)
- echo "Usage: $NAME [-p] [<system> [<system> [...]]]"
- exit 1
+ echo "Usage: $NAME [-q] [<system> [<system> [...]]]"
+ echo " $NAME {-r|--running}"
+ exit 2
;;
esac
if [ $# -ge 1 ]; then
- for s in $@; do
- if [ ! -r "${CONF_D}/$s" ]; then
- echo "$NAME: Can' read \"${CONF_D}/$s\"!"
+ for s in "$@"; do
+ if [ ! -r "${conf_d}/$s" ]; then
+ echo "$NAME: Can' read \"${conf_d}/$s\"!"
exit 1
fi
- sys="$sys ${CONF_D}/$s"
+ sys="$sys ${conf_d}/$s"
done
else
- sys=${CONF_D}/*
+ sys="${conf_d}/"*
fi
-[ -r "${CONF_D}/backup-script.conf" ] && source "${CONF_D}/backup-script.conf"
+[ -r "${conf_d}/backup-script.conf" ] && source "${conf_d}/backup-script.conf"
for f in $sys; do
[ -r "$f" -a -f "$f" ] || continue
# Read in system configuration file
source "$f"
- # Validate configuration
- [ "$system" = "localhost" -o "$system" = "127.0.0.1" ] && local=1
-
- destdir="$target"
- target="$target/$fname"
+ target="$target/$system"
[ -d "$target" ] || continue
echo "- Target: $target"
if [ $generations -gt 0 ]; then
- for s in $target/[0-9]*-[0-9]*; do
+ for s in $target/[0-9]*-[0-9]* $target/current; do
+ [ -e "$s" ] || continue
echo " - Snapshot: $s"
Check_Size "$s" " "
Check_Stamp "$s/.stamp" " "
done
else
# Timestamp and result code
- Check_Size "$s"
+ Check_Size "$target"
Check_Stamp "$target/.stamp"
snapshots=$snapshots+1
fi