+#####################################################
+## VSERVERS RELATED FUNCTIONS
+
+##
+## If vservers are not enabled, exit silently and set host_or_vservers to 'host'.
+## Else, have the user choose the target he/she wants to perform the backup on:
+## - host system only
+## - some vservers only
+## - both the host system and some vservers
+## Sets, respectively, $host_or_vservers to 'host', 'vservers', or 'both'
+## $host_or_vservers is unset when a new helper is run.
+## Returns 1 if cancelled.
+##
+host_or_vservers_chooser() {
+ local title=$1
+ # exit silently if vservers are not enabled
+ if [ "$vservers" != "yes" ]; then
+ host_or_vservers='host'
+ return
+ fi
+ # if there is one, set the previously chosen item as the default
+ [ -n "$host_or_vservers" ] && setDefault $host_or_vservers
+ menuBox "$title - src" "Do you want to operate on the host system and/or on vservers?" \
+ "host" "Host system only" \
+ "vservers" "Vservers only" \
+ "both" "Host system and Vservers"
+ [ $? = 0 ] || return 1
+ case $REPLY in
+ "host")
+ host_or_vservers='host'
+ ;;
+ "vservers")
+ host_or_vservers='vservers'
+ ;;
+ "both")
+ host_or_vservers='both'
+ ;;
+ esac
+}
+
+##
+## If the argument is the name of a vserver selected for backup (in
+## $vservers_chooser_vsnames), echoes 'on' and returns 0.
+## Else, echoes 'off' and returns 1.
+##
+vserver_is_selected() {
+ local vserver=$1
+ local vserver_is_selected=1
+ local i
+ for i in $vservers_chooser_vsnames ; do
+ [ "$vserver" == "$i" ] && vserver_is_selected=0
+ done
+ if [ $vserver_is_selected = 0 ]; then
+ echo on
+ else
+ echo off
+ fi
+ return $vserver_is_selected
+}
+
+##
+## Have the user choose among "all vservers" and a not-empty subset of these.
+## Sets global $vservers_chooser_vsnames variable to "all" or to a
+## space-separated name list.
+## Depends on host_or_vservers() to have already run.
+## $vservers_chooser_vsnames is unset when a new helper is run.
+## Returns 1 if cancelled.
+##
+vservers_chooser() {
+ local title=$1
+ local i=
+ [ -n "$VROOTDIR" ] || (msgBox "warning" "VROOTDIR is not set in $conffile and could not be guessed."; return 1)
+ [ -d "$VROOTDIR" ] || (msgBox "warning" "VROOTDIR ($VROOTDIR) does not exist."; return 1)
+
+ booleanBox "$title" "Do you want to backup all vservers?" ` [ -z "$vservers_chooser_vsnames" -o "$vservers_chooser_vsnames" == "all" ] || echo no`
+ if [ $? = 0 ]; then
+ vservers_chooser_vsnames="all"
+ else
+ # choose among the existing vservers
+ local vserver=
+ local vserver_was_selected=
+ REPLY=
+ while [ -z "$REPLY" ]; do
+ listBegin "$title" "Choose at least one Linux-Vserver to backup:"
+ # list existing vservers, preselecting the previously selected ones
+ for vserver in `ls $VROOTDIR | grep -E -v "lost+found|ARCHIVES"`; do
+ listItem "$vserver" "Backup $vserver vserver" `vserver_is_selected $vserver`
+ done
+ listDisplay checklist
+ [ $? = 0 ] || return 1
+ done
+ # remove quotes around each vserver name
+ vservers_chooser_vsnames=`echo $REPLY | tr -d '"'`
+ fi
+}
+