+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
+# vim: set filetype=sh sw=3 sts=3 expandtab autoindent:
+
#####################################################
## VSERVERS RELATED FUNCTIONS FOR NINJAHELPER
##
## - set $vservers_are_available to 'yes';
## - set $found_vservers to the list of all vservers found on the system.
## This function has to be run once before a new helper is run.
+## If the argument is "nodialog", use the backupninja's message functions
+## instead of easydialog.
##
init_vservers() {
+ local arg=$1
# get global variables from the conffile
setfile $conffile
getconf vservers no
getconf VSERVERINFO /usr/sbin/vserver-info
getconf VSERVER /usr/sbin/vserver
- getconf VROOTDIR `if [ -f "$VSERVERINFO" ]; then $VSERVERINFO info SYSINFO |grep vserver-Rootdir | awk '{print $2}'; fi`
+ getconf VROOTDIR `if [ -x "$VSERVERINFO" ]; then $VSERVERINFO info SYSINFO | grep '^ *vserver-Rootdir' | @AWK@ '{print $2}'; fi`
+ # canonicalize VROOTDIR
+ [ -z "$VROOTDIR" ] || VROOTDIR=`readlink --canonicalize $VROOTDIR`
# init this library's global variables
vservers_are_available=no
found_vservers=
selected_vservers=
host_or_vservers=host
# check vservers real availability
- if [ $vservers == yes ]; then
- [ -n "$VROOTDIR" ] || (msgBox "warning" "VROOTDIR is not set in $conffile and could not be guessed."; return)
- [ -d "$VROOTDIR" ] || (msgBox "warning" "VROOTDIR ($VROOTDIR) does not exist."; return)
- found_vservers=`ls $VROOTDIR | grep -E -v "lost+found|ARCHIVES" | tr "\n" " "`
- [ -n "$found_vservers" ] || return
+ if [ $vservers = yes ]; then
+ if [ ! -x "$VSERVERINFO" ]; then
+ `if [ "$arg" = nodialog ]; then echo fatal; else echo "msgBox warning"; fi` \
+ "vservers enabled in $conffile, but vserver-info command was not found. Please set the VSERVERINFO configuration variable to its full path."
+ return
+ fi
+ if [ ! -x "$VSERVER" ]; then
+ `if [ "$arg" = nodialog ]; then echo fatal; else echo "msgBox warning"; fi` \
+ "vservers enabled in $conffile, but vserver command was not found. Please set the VSERVER configuration variable to its full path."
+ return
+ fi
+ if [ -z "$VROOTDIR" ]; then
+ `if [ "$arg" = nodialog ]; then echo fatal; else echo "msgBox warning"; fi` \
+ "vservers enabled in $conffile, but VROOTDIR is not set and could not be guessed."
+ return
+ fi
+ if [ ! -d "$VROOTDIR" ]; then
+ `if [ "$arg" = nodialog ]; then echo fatal; else echo "msgBox warning"; fi` \
+ "vservers enabled in $conffile, but VROOTDIR ($VROOTDIR) does not exist.";
+ return
+ fi
+ found_vservers=`ls $VROOTDIR | grep -E -v "lost\+found|ARCHIVES" | tr "\n" " "`
+ if [ -z "$found_vservers" ]; then
+ `if [ "$arg" = nodialog ]; then echo warning; else echo "msgBox warning"; fi` \
+ "vservers enabled in $conffile, but no vserver was found in $VROOTDIR.";
+ return
+ fi
vservers_are_available=yes
fi
}
##
-## If the argument is the name of a vserver selected use by the current helper,
+## If all the arguments are existing vservers names, returns 0.
+## Else, returns 1. Also returns 1 if no argument is given.
+##
+vservers_exist() {
+ [ $# -ge 1 ] || return 1
+ local args="$1"
+ local vserver i found
+ for vserver in $args ; do
+ found=no
+ for i in $found_vservers ; do
+ if [ $vserver = $i ]; then
+ found=yes
+ break
+ fi
+ done
+ [ $found = yes ] || return 1
+ done
+ return 0
+}
+
+##
+## If all the arguments are running vservers names, returns 0.
+## Else, returns 1. Also returns 1 if no argument is given.
+##
+vservers_running() {
+ [ $# -ge 1 ] || return 1
+ local args="$1"
+ local vserver
+ for vserver in $args ; do
+ $VSERVERINFO -q $vserver RUNNING || return 1
+ done
+ return 0
+}
+
+##
+## If the argument is the name of a vserver selected by the current helper,
## echoes 'on' and returns 0.
## Else, echoes 'off' and returns 1.
##
while [ -z "$REPLY" ]; do
[ -n "$selected_vservers" ] && setDefault $selected_vservers
listBegin "$title" "Choose at least one Linux-Vserver to backup:"
- for vserver in $found_vservers; do
- listItem "$vserver" "Backup $vserver vserver"
- done
+ for vserver in $found_vservers; do
+ listItem "$vserver" "Backup $vserver vserver"
+ done
listDisplay menu
[ $? = 0 ] || return 1
done
}
##
-## If Vservers are not enabled, set host_or_vservers='host' and then return
+## If Vservers are not enabled, set host_or_vservers='host' and then return
## Else, have the user choose if he/she wants to perform the backup on the host
## system or on one Vserver.
## Set, respectively, $host_or_vservers to 'host' or 'vservers'.
## Returns 1 if cancelled.
##
choose_host_or_one_vserver() {
- if [ "$vservers_are_available" != "yes" ]
+ if [ "$vservers_are_available" != "yes" ]
then
- host_or_vservers='host'
- return
+ host_or_vservers='host'
+ return
fi
local title=$1
# if there is one, set the previously chosen item as the default
[ $? = 0 ] || return 1
case $REPLY in
"host")
- host_or_vservers='host'
- ;;
+ host_or_vservers='host'
+ ;;
"vserver")
- host_or_vservers='vservers'
- ;;
+ host_or_vservers='vservers'
+ ;;
esac
}
## Returns 1 if cancelled.
##
choose_host_or_vservers_or_both() {
- if [ "$vservers_are_available" != "yes" ]
+ if [ "$vservers_are_available" != "yes" ]
then
- host_or_vservers='host'
- return
+ host_or_vservers='host'
+ return
fi
local title=$1
# if there is one, set the previously chosen item as the default
[ $? = 0 ] || return 1
case $REPLY in
"host")
- host_or_vservers='host'
- ;;
+ host_or_vservers='host'
+ ;;
"vservers")
- host_or_vservers='vservers'
- ;;
+ host_or_vservers='vservers'
+ ;;
"both")
- host_or_vservers='both'
- ;;
+ host_or_vservers='both'
+ ;;
esac
}
local vserver_was_selected=
REPLY=
while [ -z "$REPLY" ]; do
- listBegin "$title" "Choose at least one Linux-Vserver to backup:"
- # list existing vservers, preselecting the previously selected ones
- for vserver in $found_vservers; do
- listItem "$vserver" "Backup $vserver vserver" `vserver_is_selected $vserver`
- done
- listDisplay checklist
- [ $? = 0 ] || return 1
+ listBegin "$title" "Choose at least one Linux-Vserver to backup:"
+ # list existing vservers, preselecting the previously selected ones
+ for vserver in $found_vservers; do
+ listItem "$vserver" "Backup $vserver vserver" `vserver_is_selected $vserver`
+ done
+ listDisplay checklist
+ [ $? = 0 ] || return 1
done
# remove quotes around each vserver name
selected_vservers=`echo $REPLY | tr -d '"'`
projects / matthijs / upstream / backupninja.git / blobdiff