[Xen-devel] [OSSTEST Nested PATCH v11 4/7] Changes on test step of Debian hvm guest install

["longtao.pang" <longtaox.pang@xxxxxxxxx>]

1. The default disk size for guest is '10000M' which is not sufficient
for nested HVM guest, using larger disk size for nested guest
to accommodate to nested test requirement, the specific disk_size is
defined by make-flight.
2. In L1 installation context, assign more memory (defined in runvar) to
it; Since it acts as a nested hypervisor anyway.
3. Comment out CDROM entry in sources.list to make HTTP URL entry
available for L1 hvm guest.
4. Enable nestedhvm feature in 'ExtraConfig' for nested job.

Signed-off-by: longtao.pang <longtaox.pang@xxxxxxxxx>
---
Changes in v11:
1. Since the size of debian-7.2.0-amd64-CD-1.iso is just 624M, 
it's no need to extend nested L1's rootfs size, keep the original
size as '5000M'.
2. Add another use of preseed_hook_command to add new command of 
"in-target sed -i 's/^deb *cdrom/#&/g' /etc/apt/sources.list".
---
 ts-debian-hvm-install |   18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/ts-debian-hvm-install b/ts-debian-hvm-install
index ea2d1ad..66ba5b0 100755
--- a/ts-debian-hvm-install
+++ b/ts-debian-hvm-install
@@ -92,6 +92,13 @@ if [ -e \$b/debian/grubx64.efi ] ; then
 fi
 END
 
+preseed_hook_command($gho, 'late_command', '', <<END);
+#!/bin/sh
+set -ex
+
+in-target sed -i 's/^deb *cdrom/#&/g' /etc/apt/sources.list
+END
+
     $preseed_file .= preseed_hook_cmds();
 
     return $preseed_file;
@@ -166,6 +173,10 @@ sub prep () {
     target_putfilecontents_root_stash($ho, 10, preseed(),
                                       $preseed_file_path);
 
+    my $extra_config='';
+    $extra_config .="nestedhvm=1\n"
+        if guest_var($gho,"enable_nestedhvm",'false') eq 'true';
+
     # If host has >8G free memory, create a guest with 4G memory to catch
     # any error that triggers cross 4G boundary
     my $host_freemem_mb = host_get_free_memory($ho);
@@ -174,13 +185,18 @@ sub prep () {
     if ($host_freemem_mb > $ram_lots * 2 + $ram_minslop) {
         $ram_mb = $ram_lots;
     } else {
-        $ram_mb = 768;
+        # Use guest_var to get specific memsize, or will use default '768'
+        $ram_mb= guest_var($gho,'memsize',768);
     }
     logm("Host has $host_freemem_mb MB free memory, setting guest memory size 
to $ram_mb MB");
 
+    # Use guest_var to get specific disk size, or will use default $disk_mb
+    $disk_mb= guest_var($gho,'disksize',$disk_mb);
+
     more_prepareguest_hvm($ho,$gho, $ram_mb, $disk_mb,
                           OnReboot => 'preserve',
                           Bios => $r{bios},
+                          ExtraConfig => $extra_config,
                           PostImageHook => sub {
         my $cmds = iso_copy_content_from_image($gho, $newiso);
         $cmds .= prepare_initrd($initrddir,$newiso,$preseed_file_path);
-- 
1.7.10.4


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