destinations=""
# Default settings, can be overwritten in backup-script.conf:
-conf_d="/etc/backup-script.d"
+[ -d "/usr/local/etc/backup-script.d" ] \
+ && conf_d="/usr/local/etc/backup-script.d" \
+ || conf_d="/etc/backup-script.d"
pre_exec=""
post_exec=""
+default_backup_type="rsync"
default_source_root="/"
-default_target=""
+default_files="running-config"
+default_target="/var/backups"
default_user="root"
default_ssh_args_add=""
default_rsync_args_add=""
default_exclude_args_add=""
+default_exclude_dirs_add=""
default_compress=1
default_ping=1
default_local=0
echo
echo "When no <system> is given, all defined systems are used."
echo
- exit 1
+ echo -e $config_info
+ echo
+ exit 2
}
CleanUp() {
zfs snapshot "$snapshot" || return 1
link_name="$(echo "$snapshot" | cut -d@ -f2-)"
ln -s \
- "$volume/.zfs/snapshot/$link_name" \
+ "current/.zfs/snapshot/$link_name" \
"$(dirname "$volume")/$link_name"
;;
*)
;;
"zfs")
# On ZFS, the last generation is always named "current"
- [ -e "$sys_target/current" ] \
- && last="$sys_target/current" \
- || last=""
- snapshot="$(echo "$sys_target/current" | cut -c2-)@$(date +%Y%m%d-%H%M%S)"
+ if [ -e "$sys_target/current" ]; then
+ last="$sys_target/current"
+ if [ "$(uname)" = "Linux" ]; then
+ date=$(LC_ALL=C stat "$1" | grep "^Modify: " \
+ | cut -d':' -f2- | cut -d. -f1)
+ else
+ date=$(LC_ALL=C stat -f "%Sc" "$1")
+ fi
+ date=$(echo "$date" | sed -e's/^ //g' -e 's/[-:]//g' -e 's/ /-/g')
+
+ else
+ last=""
+ date="$(date +%Y%m%d-%H%M%S)"
+ fi
+ snapshot="$(echo "$sys_target/current" | cut -c2-)@$date"
sys_target="$sys_target/current"
;;
*)
return 0
}
+# Search configuration file (last one is used as default!)
+for conf in \
+ "/usr/local/etc/backup-script.conf" \
+ "/etc/backup-script.conf" \
+ "${conf_d}/backup-script.conf" \
+ "/usr/local/etc/backup-script.conf" \
+; do
+ [ -r "$conf" ] && break
+done
+
+# Read in configuration file
+config_info="Configuration file is \"$conf\""
+if [ -r "$conf" ]; then
+ source "$conf"
+else
+ config_info="${config_info} (not readable, using defaults)"
+fi
+config_info="${config_info},\nusing \"$conf_d\" as configuration directory."
+
while [ $# -gt 0 ]; do
case "$1" in
"-n"|"--dry-run")
esac
done
-trap GotSignal SIGINT
-
echo -n "Started: "; date
+echo -e "$config_info"
-for conf in "/etc/backup-script.conf" "${conf_d}/backup-script.conf"; do
- if [ -r "$conf" ]; then
- echo "Reading configuration: \"$conf\" ..."
- source "$conf"
- fi
-done
+# Check rsync and its protocol version
+rsync=$(which "rsync" 2>/dev/null)
+if [ $? -ne 0 ]; then
+ echo "Failed to detect rsync(1)! Is it installed in your \$PATH?"
+ exit 1
+fi
+rsync_proto=$($rsync --version 2>/dev/null | head -n 1 | sed 's/.* protocol version \([0-9]*\)$/\1/')
+if [ $? -ne 0 ]; then
+ echo "Failed to detect protocol version of $rsync!"
+ exit 1
+fi
+echo "Rsync command is $rsync, protocol version $rsync_proto."
echo
+trap GotSignal SIGINT
+
if [ $# -ge 1 ]; then
for s in "$@"; do
if [ ! -r "${conf_d}/$s" ]; then
echo "$NAME: Can' read \"${conf_d}/$s\"!"
- exit 1
+ exit 3
fi
sys="$sys ${conf_d}/$s"
done
echo
echo -n "Aborted: "; date
echo
- exit 3
+ exit 4
fi
touch "$PIDFILE" 2>/dev/null
if [ $? -ne 0 ]; then
echo "Error: pre-exec command failed!"; echo
CleanUp
echo "Aborting backup."; echo
- exit 2
+ exit 5
fi
sleep 2
echo
fi
for f in $sys; do
- [ -r "$f" -a -f "$f" ] || continue
+ [[ -r "$f" && -f "$f" ]] || continue
fname=$(basename "$f")
case "$fname" in
# 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"
exclude_args_add="$default_exclude_args_add"
+ exclude_dirs_add="$default_exclude_dirs_add"
compress="$default_compress"
ping="$default_ping"
local="$default_local"
post_exec_saved="$post_exec"
# Compatibility with backup-pull(1) script: Set defaults
- unset host
+ host=""
unset source
unset pre_exec
unset post_exec
source "$f"
# Compatibility with backup-pull(1) script: Fix up configuration
- [ "$system" = "$fname" -a -n "$host" ] \
+ [[ "$system" = "$fname" && -n "$host" ]] \
&& system="$host"
- [ "$source_root" = "$default_source_root" -a -n "$source" ] \
+ [[ "$source_root" = "$default_source_root" && -n "$source" ]] \
&& source_root="$source"
- [ -z "$job_pre_exec" -a -n "$pre_exec" ] \
+ [[ -z "$job_pre_exec" && -n "$pre_exec" ]] \
&& job_pre_exec="$pre_exec"
- [ -z "$job_post_exec" -a -n "$post_exec" ] \
+ [[ -z "$job_post_exec" && -n "$post_exec" ]] \
&& job_post_exec="$post_exec"
# Compatibility with backup-pull(1) script: Restore global values ...
post_exec="$post_exec_saved"
# Validate configuration
- [ "$system" = "localhost" -o "$system" = "127.0.0.1" ] && local=1
+ if [[ "$system" = "localhost" || "$system" = "127.0.0.1" ]]; then
+ # Local system
+ local=1
+ compress=0
+ fi
+
+ # Make sure "source" ends with a slash ("/")
+ case "$source" in
+ "*/")
+ ;;
+ "*")
+ source="$source/"
+ esac
+
+ # Make sure "target" DOESN'T end with a slash ("/")
+ case "$target" in
+ "*/")
+ target=$( echo "$target" | sed -e 's/\/$//g' )
+ ;;
+ esac
[ "$system" = "$fname" ] \
&& systxt="\"$system\"" \
sys_target="$target/$fname"
sys_root="$sys_target"
- if [ "$DRYRUN" -eq 0 -a ! -e "$sys_target" ]; then
+ if [[ "$DRYRUN" -eq 0 && ! -e "$sys_target" ]]; then
if [ $generations -gt 0 ]; then
CreateSubvolume "$sys_target"
else
fi
fi
- if [ "$local" -eq 0 -a "$ping" -ne 0 ]; then
+ if [[ "$local" -eq 0 && "$ping" -ne 0 ]]; then
# Check if system is alive
ping -c 1 "$system" >/dev/null 2>&1
if [ $? -ne 0 ]; then
Initialize_Last_SysTarget_Snapshot "$sys_target" || continue
- if [ -n "$last" -a ! -e "$last/.stamp" ]; then
+ if [[ -n "$last" && ! -e "$last/.stamp" ]]; then
# Old backup directory without "stamp file", continue
echo "Found incomplete snapshot in \"$last\", reusing and renaming it ..."
RenameSubvolume "$last" "$sys_target"
fi
echo "Created new snapshot in \"$snapshot\"."
else
- echo " *** Trial run, not creating new snapshot in \"$sys_target\"!"
+ echo " *** Trial run, not creating new snapshot in \"$snapshot\"!"
fi
else
# No old backup found, create new subvolume
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"
- [ "$VERBOSE" -gt 0 ] && cmd="$cmd --progress"
- if [ "$source_root" = "$default_source_root" ]; then
- cmd="$cmd --exclude=/dev --exclude=/proc --exclude=/sys"
- cmd="$cmd --exclude=/run --exclude=/tmp --exclude=/var/tmp"
- cmd="$cmd --exclude=/media --exclude=/mnt --exclude=/net"
- cmd="$cmd --exclude=/var/cache/apt --exclude=/var/log"
+ if [[ "$backup_type" == "rsync" ]]; then
+ cmd="$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
+ 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 $rsync_args_add"
+
+ [ "$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 $exclude_args_add"
- [ -n "$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
if [ $ret -eq 20 ]; then
echo "Backup of \"$system\" interrupted. Aborting ..."
- CleanUp
- exit 1
+ GotSignal
fi
echo -n "End date: "; date
- if [ $ret -eq 0 -o $ret -eq 24 ]; then
+ if [[ $ret -eq 0 || $ret -eq 24 ]]; then
[ $ret -eq 24 ] && count_ok_vanished=$count_ok_vanished+1
echo "System \"$system\" completed with status $ret, OK."
# Clean up old generations
declare -i gen_count=$generations+2
to_delete=$(ls -1t "$sys_root" 2>/dev/null | tail -n+$gen_count | sort)
- if [ -n "$to_delete" -a $ok -eq 1 ]; then
+ if [[ -n "$to_delete" && $ok -eq 1 ]]; then
[ "$DRYRUN" -eq 0 ] \
&& echo "Deleting old backup generations (keep $generations) ..." \
|| echo " *** Trial run, not deleting old generations:"
sync
-paths=$( echo $destinations | sed -e 's/ /\n/g' | sort | uniq )
-if [ "$DRYRUN" -eq 0 -a -n "$paths" ]; then
- df -h $paths
- echo
+if [ "$DRYRUN" -eq 0 ]; then
+ paths=""
+ paths_zfs=""
+ for dest in $(echo $destinations | sed -e 's/ /\n/g' | sort | uniq); do
+ fs=$(GetFS "$dest")
+ case $fs in
+ "zfs" )
+ paths_zfs="$paths_zfs $dest"
+ ;;
+ *)
+ paths="$paths $dest"
+ esac
+ done
+ if [ -n "$paths" ]; then
+ df -h $paths
+ echo
+ fi
+ if [ -n "$paths_zfs" ]; then
+ zfs list $paths_zfs
+ echo
+ fi
fi
CleanUp
if [ $count_started -ne $count_ok ]; then
echo "-----> THERE HAVE BEEN ERRORS! <-----"
echo
+ exit 6
+elif [ $count_all -ne $count_started ]; then
+ exit 7
fi
# -eof-
projects / backup-script.git / blobdiff