From e11fc2c3b4ec53c591aaff0a331deef55a8fe23d Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Fri, 7 Nov 2008 14:11:05 +0000
Subject: [PATCH] -Fix problem where failed migration caused xCAT to lose track
 of Xen hypervisor -Fix problem where the gPXE dhcp configuration would not
 work

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2472 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/lib/xcat/plugins/dhcp.pm | 5 ++++-
 xCAT-server/lib/xcat/plugins/xen.pm  | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/xCAT-server/lib/xcat/plugins/dhcp.pm b/xCAT-server/lib/xcat/plugins/dhcp.pm
index 61027640d..647e3d153 100644
--- a/xCAT-server/lib/xcat/plugins/dhcp.pm
+++ b/xCAT-server/lib/xcat/plugins/dhcp.pm
@@ -233,7 +233,7 @@ sub addnode
                     if ($chainent and $chainent->{currstate} and $chainent->{currstate} eq 'iscsiboot') {
                         $lstatements = 'if exists gpxe.bus-id { filename = \"\"; } else { filename = \"undionly.kpxe\"; } '.$lstatements;
                     } else {
-                        $lstatements = 'if exists gpxe.bus-id { filename = \"pxelinux.0\"; } else { filename = \"undionly.kpxe\"; } '.$lstatements;
+                        $lstatements = 'if exists gpxe.bus-id { filename = \"pxelinux.0\"; } else if exists client-architecture { filename = \"undionly.kpxe\"; } '.$lstatements; #Only PXE compliant clients should ever receive gPXE
                     } 
                 } #TODO: warn when windows
             }
@@ -768,6 +768,9 @@ sub newconfig
     push @dhcpconf, "#xCAT generated dhcp configuration\n";
     push @dhcpconf, "\n";
     push @dhcpconf, "authoritative;\n";
+    push @dhcpconf, "option space gpxe;\n";
+    push @dhcpconf, "option gpxe-encap-opts code 175 = encapsulate gpxe;\n";
+    push @dhcpconf, "option gpxe.bus-id code 177 = string;\n";
     push @dhcpconf, "ddns-update-style none;\n";
     push @dhcpconf,
       "option client-architecture code 93 = unsigned integer 16;\n";
diff --git a/xCAT-server/lib/xcat/plugins/xen.pm b/xCAT-server/lib/xcat/plugins/xen.pm
index 087e6461a..d47c9637c 100644
--- a/xCAT-server/lib/xcat/plugins/xen.pm
+++ b/xCAT-server/lib/xcat/plugins/xen.pm
@@ -275,13 +275,13 @@ sub migrate {
     eval {
      $dom = $newhypconn->get_domain_by_name($node);
     };
-    $vmtab->setNodeAttribs($node,{host=>$targ});
     if ($dom) {
         refresh_vm($dom);
     }
     if ($rc) {
         return (1,"Failed migration from $prevhyp to $targ");
     } else {
+        $vmtab->setNodeAttribs($node,{host=>$targ});
         return (0,"migrated to $targ");
     }
 }