X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fbackupninja.git;a=blobdiff_plain;f=lib%2Fvserver.in;h=cc96a71050215b063d897800875e6f813298c099;hp=30b2dfb2c2efa5f27892844fc406fbcc8236d725;hb=4ecaae94054c4eb919ddbd45904d834383a09558;hpb=66d619bf64dec4c7472b5d4c09a964f5027fadb4

diff --git a/lib/vserver.in b/lib/vserver.in
index 30b2dfb..cc96a71 100644
--- a/lib/vserver.in
+++ b/lib/vserver.in
@@ -23,31 +23,93 @@
 ##   - 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 $vserver RUNNING || return 1
+   done
+   return 0
+}
+
+##
+## If the argument is the name of a vserver selected by the current helper,
 ## echoes 'on' and returns 0.
 ## Else, echoes 'off' and returns 1.
 ##
@@ -80,9 +142,9 @@ choose_one_vserver() {
    while [ -z "$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
@@ -90,17 +152,17 @@ choose_one_vserver() {
 }
 
 ##
-## 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
@@ -111,11 +173,11 @@ choose_host_or_one_vserver() {
    [ $? = 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
 }
 
@@ -129,10 +191,10 @@ choose_host_or_one_vserver() {
 ## 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
@@ -144,14 +206,14 @@ choose_host_or_vservers_or_both() {
    [ $? = 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
 }
 
@@ -174,13 +236,13 @@ choose_one_or_more_vservers() {
       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 '"'`