Hi, I git clone nova-juno from github and searched for 'pygrub'. Here is what i get.
.//etc/nova/rootwrap.d/compute.filters:104:# nova/virt/xenapi/vm_utils.py: 'pygrub', '-qn', dev_path .//etc/nova/rootwrap.d/compute.filters:105:pygrub: CommandFilter, pygrub, root .//nova/tests/unit/virt/xenapi/test_xenapi.py:667: self.assertEqual(self.vm['PV_bootloader'], 'pygrub') .//nova/virt/xenapi/vm_utils.py:298: rec['PV_bootloader'] = 'pygrub' It seems that nova does not specify absolute path for pygrub. I checked libvirt source code and found the following definition. .//src/libxl/libxl_conf.h:52:# define LIBXL_BOOTLOADER_PATH BINDIR "/pygrub" Searched further for difinition of BINDIR revealed the followings. Xing:libvirt-1.2.2 xing$ grep BINDIR -Rn ./ .//ChangeLog:48645: SBINDIR "/libvirtd" .//ChangeLog:48646: SBINDIR "/libvirtd_dbg" .//build-aux/ltmain.sh:2408: -bindir BINDIR specify path to binaries directory (for systems where .//gnulib/lib/Makefile.in:2499: echo '#define BINDIR "$(bindir)"'; \ .//gnulib/lib/Makefile.in:2500: echo '#define SBINDIR "$(sbindir)"'; \ .//gnulib/lib/gnulib.mk:303: echo '#define BINDIR "$(bindir)"'; \ .//gnulib/lib/gnulib.mk:304: echo '#define SBINDIR "$(sbindir)"'; \ I guess BINDIR was pointed to /usr/bin. -Xing On Thu, Nov 20, 2014 at 2:30 AM, Ian Campbell <ian.campb...@citrix.com> wrote: > On Wed, 2014-11-19 at 11:57 -0700, Xing Lin wrote: > > Hi Ian, > > > > > > Both of your two points are valid. There is no need to install > > virt-manager. And the patch to start a qemu process in /etc/init.d/xen > > seems to be enough for launching instances from horizon. I have > > updated the wiki page. Please review it at > > > > http://wiki.xenproject.org/wiki/Xen_via_libvirt_for_OpenStack_juno > > Looks much better, thanks! > > I think the need to symlink pygrub to /usr/bin should be considered an > openstack bug. I presume nova specifies the absolute path, when it > should just say "pygrub" by default and let the toolstack find the > default one. > > Ian. > > >
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