[Xen-devel] [PATCH OSSTEST v3 13/19] distros: support booting Debian PV (d-i installed) guests with pvgrub.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

This requires the use of the pv-grub-menu package which is in Jessie
onwards.  (it is in wheezy-backports which is the subject of a
subsequent flight).

The bootloader to use is specified via a runvar {Guest}_bootloader.

Adjust make-distros-flight to use pvgrub for some subset of i386 and
amd64 guests to get coverage.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
v3: Define and use arch_debian2xen and arch_xen2debian
    Avoid pv-grub-x86_64.gz on i386 dom0, we don't built it there.
    Fiddle with py vs pv grub stripy a bit.
---
 Osstest.pm           |  7 +++++++
 Osstest/Debian.pm    |  2 +-
 make-distros-flight  | 21 ++++++++++++++++++++-
 ts-debian-di-install | 11 +++++++++--
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/Osstest.pm b/Osstest.pm
index fc9698b..31088ba 100644
--- a/Osstest.pm
+++ b/Osstest.pm
@@ -36,6 +36,7 @@ BEGIN {
                       db_begin_work
                       ensuredir get_filecontents_core_quiet system_checked
                       nonempty visible_undef show_abs_time
+                      %arch_debian2xen %arch_xen2debian
                       );
     %EXPORT_TAGS = ( );
 
@@ -47,6 +48,12 @@ our $mjobdb;
 
 our $dbh_tests;
 
+our %arch_debian2xen = qw(i386 x86_32
+                         amd64 x86_64
+                         armhf armhf);
+our %arch_xen2debian;
+$arch_xen2debian{$arch_debian2xen{$_}} = $_ foreach keys %arch_debian2xen;
+
 #---------- static default config settings ----------
 
 our %c = qw(
diff --git a/Osstest/Debian.pm b/Osstest/Debian.pm
index c4afde1..a15768f 100644
--- a/Osstest/Debian.pm
+++ b/Osstest/Debian.pm
@@ -570,7 +570,7 @@ sub preseed_create_guest ($$;@) {
 
     my $suite= $xopts{Suite} || $c{DebianSuite};
 
-    my $extra_packages;
+    my $extra_packages = "pv-grub-menu" if $xopts{PvMenuLst};
 
     my $preseed_file= preseed_base($suite, $extra_packages, %xopts);
     $preseed_file.= (<<END);
diff --git a/make-distros-flight b/make-distros-flight
index 5067342..80df21b 100755
--- a/make-distros-flight
+++ b/make-distros-flight
@@ -55,14 +55,33 @@ test_matrix_branch_filter_callback () {
 }
 
 test_do_one_netboot () {
+  stripy bootloader pvgrub pygrub \
+    "$xenarch" "amd64" \
+    "$dom0arch" "i386" \
+    "$domU" "amd64" \
+    "$dist" "sid"
+
+  case ${dom0arch}_${domU}_${dist} in
+    arm*_arm*_*) bootloader="pygrub";; # no pvgrub for arm
+
+    # Needs a menu.lst, not present in Squeeze+ due to switch to grub2,
+    # workedaround in Jessie+ with pv-grub-menu package.
+    *_squeeze) bootloader="pygrub";;
+    *_wheezy) bootloader="pygrub";;
+
+    # pv-grub-x86_64.gz is not built by 32-bit dom0 userspace build.
+    i386_amd64_*) bootloader="pygrub";;
+  esac
+
   job_create_test                                               \
-   test-$xenarch$kern-$dom0arch-$domU-$dist-netboot-pygrub      \
+   test-$xenarch$kern-$dom0arch-$domU-$dist-netboot-$bootloader \
     test-debian-di xl $xenarch $dom0arch                        \
       kernbuildjob=${bfi}build-$dom0arch-$kernbuild             \
       debian_arch=$domU                                         \
       debian_dist=$dist                                         \
       debian_method=netboot                                     \
       debian_diver=current                                      \
+      debian_bootloader=$bootloader                             \
       all_hostflags=$most_hostflags
 }
 
diff --git a/ts-debian-di-install b/ts-debian-di-install
index edccf52..f3fe4cf 100755
--- a/ts-debian-di-install
+++ b/ts-debian-di-install
@@ -93,6 +93,8 @@ sub ginstall () {
     my $method= $r{"$gho->{Guest}_method"};
 
     my $tmpdir= "/root/$flight-$job-di";
+    my $bl= $r{"$gho->{Guest}_bootloader"};
+
     target_cmd_root($ho, <<END);
 rm -rf $tmpdir
 mkdir $tmpdir
@@ -109,7 +111,7 @@ END
 
        $suite = "sid" if $suite eq "daily";
 
-       $ps_url = preseed_create_guest($gho, '', Suite=>$suite);
+       $ps_url = preseed_create_guest($gho, '', Suite=>$suite, PvMenuLst=>($bl 
eq "pvgrub"));
 
        $extra_disk = "";
     }
@@ -152,7 +154,12 @@ END
     guest_await_shutdown($ho,$gho,3600);
     guest_destroy($ho,$gho);
 
-    my $blcfg = <<END;
+    my $xenarch = $arch_debian2xen{$arch};
+    my $pvgrub = "/usr/local/lib/xen/boot/pv-grub-$xenarch.gz";
+    my $blcfg = $bl eq "pvgrub" ? <<END : <<END;
+kernel = "$pvgrub"
+extra = "(hd0,0)/boot/grub/menu.lst"
+END
 bootloader = "pygrub"
 END
 
-- 
2.1.1


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