[Xen-devel] [PATCH V4 06/12] TestSupport.pm: introduce create_empty_iso

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 Osstest/TestSupport.pm |   15 +++++++++++++++
 ts-redhat-install      |   17 ++++++++---------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index df6c4c1..a4a738f 100644
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -99,6 +99,7 @@ BEGIN {
                       setup_pxeboot setup_pxeboot_local host_pxefile
 
                       create_iso_xorriso
+                      create_empty_iso
                       rewrite_config_nocd
                       );
     %EXPORT_TAGS = ( );
@@ -1881,6 +1882,20 @@ END
 
 }
 
+sub create_empty_iso($$$) {
+    my ($ho,$emptyiso,$emptydir) = @_;
+    my @isogen_opts= qw(-as mkisofs -R -J);
+
+    # Unfortunately xorriso refuses to create an ISO if the input
+    # directory is empty.
+    target_cmd_root($ho, <<END, 60);
+        mkdir -p $emptydir
+        echo empty > $emptydir/empty
+END
+
+    create_iso_xorriso($ho, $emptyiso, $emptydir, 60, @isogen_opts);
+}
+
 sub rewrite_config_nocd ($$$) {
     my ($ho,$gho,$emptyiso) = @_;
     guest_editconfig($ho, $gho, sub {
diff --git a/ts-redhat-install b/ts-redhat-install
index fb60caf..8b2b2f8 100755
--- a/ts-redhat-install
+++ b/ts-redhat-install
@@ -123,15 +123,14 @@ sub prep () {
     my $newiso= '/root/$flight.$job.$gn-newiso';
     my $emptydir= '/root/$flight.$job.$gn-empty-dir';
 
-    my @isogen_base= qw(-as mkisofs -R -J);
-    my @isogen_boot= qw(-b isolinux/isolinux.bin
-                        -c isolinux/boot.cat
-                        -no-emul-boot
-                        -boot-load-size 4
-                        -boot-info-table);
-    my @isogen= (@isogen_base, @isogen_boot);
-
-    create_iso_xorriso($ho, $emptyiso, $emptydir, 60, @isogen_base);
+    create_empty_iso($ho, $emptyiso, $emptydir);
+
+    my @isogen= qw(-as mkisofs -R -J
+                   -b isolinux/isolinux.bin
+                   -c isolinux/boot.cat
+                   -no-emul-boot
+                   -boot-load-size 4
+                   -boot-info-table);
 
     more_prepareguest_hvm($ho,$gho, $ram_mb, $disk_mb,
                           OnReboot => 'preserve',
-- 
1.7.10.4


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