#!/bin/bash
#
# backup-script system for cloning systems using rsync
-# Copyright (c)2008-2015 Alexander Barton <alex@barton.de>
+# Copyright (c)2008-2016 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
default_generations=0
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")
generations="$default_generations"
job_pre_exec="$default_job_pre_exec"
job_post_exec="$default_job_post_exec"
+ tags="$default_tags"
# 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 ("/")
&& cmd="$cmd --info=progress2" \
|| cmd="$cmd --progress"
fi
+ set -f
if [ "$source_root" = "$default_source_root" ]; then
for dir in \
"/dev/**" \
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 $sys_target/" \
elif [ -n "$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