# 100_check_rsync.sh - analyze the BACKUP_URL # # This file is part of Relax-and-Recover, licensed under the GNU General # Public License. Refer to the included COPYING for full text of license. #### OLD STYLE: # BACKUP_URL=[USER@]HOST:PATH # using ssh (no rsh) # # with rsync protocol PATH is a MODULE name defined in remote /etc/rsyncd.conf file # BACKUP_URL=[USER@]HOST::PATH # using rsync # BACKUP_URL=rsync://[USER@]HOST[:PORT]/PATH # using rsync (is not compatible with new style!!!) #### NEW STYLE: # BACKUP_URL=rsync://[USER@]HOST[:PORT]/PATH # using ssh # BACKUP_URL=rsync://[USER@]HOST[:PORT]::/PATH # using rsync if test -z "$BACKUP_URL" ; then Error "Missing BACKUP_URL=rsync://[USER@]HOST[:PORT][::]/PATH !" fi local host=$(url_host $BACKUP_URL) local scheme=$(url_scheme $BACKUP_URL) # url_scheme still recognizes old style local path=$(url_path $BACKUP_URL) if [[ "$scheme" != "rsync" ]]; then Error "Missing BACKUP_URL=rsync://[USER@]HOST[:PORT][::]/PATH !" fi RSYNC_PROTO= # ssh or rsync RSYNC_USER= RSYNC_HOST= RSYNC_PORT=873 # default port (of rsync server) RSYNC_PATH= if egrep -q '(::)' <<< $BACKUP_URL ; then # new style '::' means rsync protocol RSYNC_PROTO=rsync else RSYNC_PROTO=ssh fi if grep -q '@' <<< $host ; then RSYNC_USER="${host%%@*}" # grab user name else RSYNC_USER=root fi # remove USER@ if present (we don't need it anymore) local tmp2="${host#*@}" case "$RSYNC_PROTO" in (rsync) # tmp2=witsbebelnx02::backup or tmp2=witsbebelnx02:: RSYNC_HOST="${tmp2%%::*}" # path=/gdhaese1@witsbebelnx02::backup or path=/backup if grep -q '::' <<< $path ; then RSYNC_PATH="${path##*::}" else RSYNC_PATH="${path##*/}" fi ;; (ssh) # tmp2=host or tmp2=host: RSYNC_HOST="${tmp2%%:*}" RSYNC_PATH=$path ;; esac #echo RSYNC_PROTO=$RSYNC_PROTO #echo RSYNC_USER=$RSYNC_USER #echo RSYNC_HOST=$RSYNC_HOST #echo RSYNC_PORT=$RSYNC_PORT #echo RSYNC_PATH=$RSYNC_PATH # check if host is reachable if test "$PING" ; then ping -c 2 "$RSYNC_HOST" >/dev/null || Error "Backup host [$RSYNC_HOST] not reachable." else Log "Skipping ping test" fi # check protocol connectivity case "$RSYNC_PROTO" in (rsync) Log "Test: $BACKUP_PROG ${BACKUP_RSYNC_OPTIONS[*]} ${RSYNC_PROTO}://${RSYNC_USER}@${RSYNC_HOST}:${RSYNC_PORT}/" $BACKUP_PROG "${BACKUP_RSYNC_OPTIONS[@]}" ${RSYNC_PROTO}://${RSYNC_USER}@${RSYNC_HOST}:${RSYNC_PORT}/ >/dev/null \ || Error "Rsync daemon not running on $RSYNC_HOST" ;; (ssh) Log "Test: ssh ${RSYNC_USER}@${RSYNC_HOST} /bin/true" ssh ${RSYNC_USER}@${RSYNC_HOST} /bin/true >/dev/null 2>&1 \ || Error "Secure shell connection not setup properly [$RSYNC_USER@$RSYNC_HOST]" ;; esac