#!/bin/bash
#
# backup-script system for cloning systems using rsync
-# Copyright (c)2008-201
5 Alexander Barton <alex@barton.de>
+# Copyright (c)2008-201
6 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
DRYRUN=0
VERBOSE=0
+TAG=""
export LC_ALL=C
|| conf_d="/etc/backup-script.d"
pre_exec=""
post_exec=""
+default_backup_type="rsync"
default_source_root="/"
+default_files="running-config"
default_target="/var/backups"
default_user="root"
default_ssh_args_add=""
default_ping=1
default_local=0
default_generations=0
+default_io_timeout="1800"
default_job_pre_exec=""
default_job_post_exec=""
+default_tags=""
Usage() {
echo "Usage: $NAME [<options>] [<system> [<system> [...]]]"
echo
- echo " -p, --progress Show progress, see rsync(1)."
- echo " -n, --dry-run Test run only, don't copy any data."
+ echo " -n, --dry-run Test run only, don't copy any data."
+ echo " -p, --progress Show progress, see rsync(1)."
+ echo " -t TAG, --tag TAG Only run jobs with tag TAG."
echo
echo "When no <system> is given, all defined systems are used."
echo
# Read in configuration file
config_info="Configuration file is \"$conf\""
if [ -r "$conf" ]; then
+ # shellcheck source=/dev/null
source "$conf"
else
config_info="${config_info} (not readable, using defaults)"
"-p"|"--progress")
VERBOSE=1; shift
;;
+ "-t"|"--tag")
+ shift; TAG="$1"; shift
+ [ -n "$TAG" ] || Usage
+ ;;
"-"*)
Usage
;;
exit 1
fi
echo "Rsync command is $rsync, protocol version $rsync_proto."
+
+[[ -n "$TAG" ]] && echo "Running jobs tagged with \"$TAG\"."
echo
trap GotSignal SIGINT
echo "$NAME: Can' read \"${conf_d}/$s\"!"
exit 3
fi
- sys="$sys ${conf_d}/$s"
+ sys+=("${conf_d}/$s")
done
else
- sys="${conf_d}/"*
+ sys=("${conf_d}/"*)
fi
# check and create PID file
echo
fi
-for f in $sys; do
+for f in "${sys[@]}"; do
[[ -r "$f" && -f "$f" ]] || continue
fname=$(basename "$f")
# Set global defaults
system="$fname"
+ backup_type="$default_backup_type"
user="$default_user"
source_root="$default_source_root"
+ files="$default_files"
target="$default_target"
ssh_args_add="$default_ssh_args_add"
rsync_args_add="$default_rsync_args_add"
generations="$default_generations"
job_pre_exec="$default_job_pre_exec"
job_post_exec="$default_job_post_exec"
+ tags="$default_tags"
+ io_timeout="$default_io_timeout"
# Compatibility with backup-pull(1) script: Save global values ...
pre_exec_saved="$pre_exec"
unset post_exec
# Read in system configuration file
+ # shellcheck source=/dev/null
source "$f"
# Compatibility with backup-pull(1) script: Fix up configuration
compress=0
fi
- # Make sure "source" ends with a slash ("/")
- case "$source" in
- "*/")
+ # Add "NONE" tag when no tags are given in the config file:
+ [[ -z "$tags" ]] && tags="NONE"
+ # Add "auto-tags":
+ [[ "$local" -eq 1 ]] && tags="$tags,LOCAL"
+ # Check tags
+ if [[ -n "$TAG" && "$TAG" != "ALL" ]]; then
+ echo "$tags" | grep -E "(^|,)$TAG(,|$)" >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ if [ "$DRYRUN" -ne 0 ]; then
+ echo "Tags of system \"$system\" don't match \"$TAG\": \"$tags\". Skipped."
+ echo
+ fi
+ continue
+ fi
+ fi
+
+ # Make sure "source_root" ends with a slash ("/")
+ case "$source_root" in
+ *"/")
;;
- "*")
- source="$source/"
+ *)
+ source_root="$source_root/"
esac
# Make sure "target" DOESN'T end with a slash ("/")
fi
# prepare (remote) command ...
- cmd="$rsync --archive"
- [ "$compress" -ne 0 ] && cmd="$cmd --compress"
- [ "$local" -eq 0 ] && cmd="$cmd --rsh=\"$ssh_cmd\""
- cmd="$cmd --delete --delete-excluded --sparse"
- if [ "$VERBOSE" -gt 0 ]; then
- [ "$rsync_proto" -ge 31 ] \
- && cmd="$cmd --info=progress2" \
- || cmd="$cmd --progress"
- fi
- if [ "$source_root" = "$default_source_root" ]; then
- for dir in \
- "/dev/**" \
- "/media/**" \
- "/mnt/**" \
- "/net/**" \
- "/proc/**" \
- "/run/**" \
- "/sys/**" \
- "/tmp/**" \
- "/var/cache/apt/**" \
- "/var/log/**" \
- "/var/tmp/**" \
- ; do
+ if [[ "$backup_type" == "rsync" ]]; then
+ cmd="$rsync --archive --timeout=$io_timeout"
+ [ "$compress" -ne 0 ] && cmd="$cmd --compress"
+ [ "$local" -eq 0 ] && cmd="$cmd --rsh=\"$ssh_cmd\""
+ cmd="$cmd --delete-during --delete-excluded --sparse"
+ if [ "$VERBOSE" -gt 0 ]; then
+ [ "$rsync_proto" -ge 31 ] \
+ && cmd="$cmd --info=progress2" \
+ || cmd="$cmd --progress"
+ fi
+ set -f
+ if [ "$source_root" = "$default_source_root" ]; then
+ for dir in \
+ "/dev/**" \
+ "/media/**" \
+ "/mnt/**" \
+ "/net/**" \
+ "/proc/**" \
+ "/run/**" \
+ "/sys/**" \
+ "/tmp/**" \
+ "/var/cache/apt/**" \
+ "/var/log/**" \
+ "/var/tmp/**" \
+ ; do
+ cmd="$cmd --exclude=$dir"
+ done
+ fi
+ [ -n "$exclude_args_add" ] && cmd="$cmd $exclude_args_add"
+ for dir in $exclude_dirs_add; do
cmd="$cmd --exclude=$dir"
done
+ [ -n "$rsync_args_add" ] && cmd="$cmd $rsync_args_add"
+ set +f
+
+ [ "$local" -eq 0 ] \
+ && cmd="$cmd ${user}@${system}:$source_root $sys_target/" \
+ || cmd="$cmd $source_root $sys_target/"
+ elif [[ "$backup_type" == "scp" ]]; then
+ cmd="scp"
+ [ "$VERBOSE" -eq 0 ] && cmd="$cmd -q"
+ for file in $files; do
+ cmd="$cmd ${user}@${system}:$file $sys_target/"
+ done
+ else
+ echo "Backup type \"$backup_type\" undefined, \"$system\" skipped!"
+ echo; continue
fi
- [ -n "$exclude_args_add" ] && cmd="$cmd $exclude_args_add"
- for dir in $exclude_dirs_add; do
- cmd="$cmd --exclude=$dir"
- done
- [ -n "$rsync_args_add" ] && cmd="$cmd $rsync_args_add"
-
- [ "$local" -eq 0 ] \
- && cmd="$cmd ${user}@${system}:$source_root $sys_target/" \
- || cmd="$cmd $source_root $sys_target/"
echo "Backing up to \"$sys_target\" ..."
echo -n "Start date: "; date
ok=0
if [ "$DRYRUN" -eq 0 ]; then
- rm -f "$sys_target/.stamp"
+ stamp_file="$sys_target/.stamp"
+ rm -f "$stamp_file"
+
+ # Execute backup command:
+ start_t=$(date "+%s")
$SHELL -c "$cmd"; ret=$?
- echo "code=$ret" >"$sys_target/.stamp"
+ end_t=$(date "+%s")
+
+ echo "code=$ret" >"$stamp_file"
+ echo "start_t=$start_t" >>"$stamp_file"
+ echo "end_t=$end_t" >>"$stamp_file"
+ echo "cmd='$cmd'" >>"$stamp_file"
+ echo "backup_host='`hostname -f`'" >>"$stamp_file"
+ echo "backup_user='`id -un`'" >>"$stamp_file"
else
- echo " *** Trial run, not executing synchronization command!"
+ echo " *** Trial run, not executing save command!"
ret=0
fi
elif [ -n "$to_delete" ]; then
echo "There have been errors, not cleaning up old generations!"
else
- echo "Nothing to clean up."
+ echo "Nothing to clean up (keep up to $generations generations)."
fi
fi
projects / backup-script.git / blobdiff