add debug statements, try to spot broken package on ubuntu

diff --git a/vbuild-init-vserver.sh b/vbuild-init-vserver.sh
index bd59387..d28b489 100755 (executable)
--- a/vbuild-init-vserver.sh
+++ b/vbuild-init-vserver.sh
@@ -290,11 +290,20 @@ function setup_vserver () {
 
     # set up resolv.conf
     cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
+    cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf.preserve
     # and /etc/hosts for at least localhost
     [ -f /vservers/$vserver/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > /vservers/$vserver/etc/hosts
 
 }
 
+# debugging
+# on precise it looks like at some point when installing additional packages we're losing /etc/resolv.conf
+function status_resolv () {
+    echo "xxxxxxxxxxxxxxxxxxxx" status_resolv "$@"
+    ls -l /etc/resolv.conf* || :
+    echo "xxxxxxxxxxxxxxxxxxxx" status_resolv "$@"
+}
+
 function devel_or_vtest_tools () {
 
     set -x 
@@ -310,6 +319,8 @@ function devel_or_vtest_tools () {
 
     pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
 
+    status_resolv "entering devel_or_vtest_tools"
+
     ### install individual packages, then groups
     # get target arch - use uname -i here (we want either x86_64 or i386)
     vserver_arch=$($personality vserver $vserver exec uname -i)
@@ -338,12 +349,14 @@ function devel_or_vtest_tools () {
                # also adding a link to updates sounds about right
                ( cd /vservers/$vserver/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
            fi
+           status_resolv "before apt-get update & upgrade"
            $personality vserver $vserver exec apt-get update
            $personality vserver $vserver exec apt-get -y upgrade
            # handle this one firt off to be sure; mostly cosmetic but avoid a huge amount of warnings
            $personality vserver $vserver exec apt-get install -y locales
            # install required packages
            # all in a single batch 
+           status_resolv "before apt-get install all packages"
            [ -n "$packages" ] && $personality vserver $vserver exec apt-get install -y --ignore-missing $packages || :
            # of course, on ubuntu apt-get --ignore-missing .. does not ignore missing packages !
            # check it up a bit 
@@ -352,6 +365,7 @@ function devel_or_vtest_tools () {
                    echo "==========(debian) package $package OK (1)"
                else
                    # try to install it individually - so this is for ubuntu
+                   status_resolv "before apt-get install specific to $package"
                    $personality vserver $vserver exec apt-get install -y $package || :
                    # still not there ?
                    if $personality vserver $vserver exec dpkg -l $package >& /dev/null ; then
@@ -361,6 +375,7 @@ function devel_or_vtest_tools () {
                    fi
                fi
            done
+           status_resolv "Done"
            ### xxx todo install groups with apt..
            ;;
        *)