Re: [RFC]Re: [libvirt] [RFC][PATCH] virt-managercallsmigration API

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Hi,

I make the prototype patch.

This patch is displayed destination host in a sub-menu, as follows.

    right-click
      |
      +-  Run
          Pause
          Shutdown
          --------
          Migrate ----> host1.example.com
                        host2.example.com
                        host3.example.com

The item that display in a sub-menu is the host
which is a state of ACTIVE or INACTIVE besides the source host.
When the host which is a state of ACTIVE or INACTIVE besides a source host doesn't exist,
"(None)" that is insensitive is displayed, as follows.

    right-click
      |
      +-  Run
          Pause
          Shutdown
          --------
          Migrate ----> (None)


 domain.py  |    6 ++++
 engine.py  |   36 ++++++++++++++++++++++++++++
 manager.py |   78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 3 files changed, 117 insertions(+), 3 deletions(-)



Thanks,
Shigeki Sakamoto.

> Hi, Daniel
> 
> Sorry for delaying response.
> 
> Thank you for your suggestions. I understand. 
> I will make the prototype patch!
> 
> Thanks
> Shigeki Sakamoto.
> 
> > On Fri, Sep 19, 2008 at 06:43:37PM +0900, S.Sakamoto wrote:
> > > > 
> > > > > You probably want to send this to et-mgmt-list, which is where virt-manager
> > > > > development happens,
> > > > 
> > > > OK. For this, I tried to hear in et-mgmt-list.
> > > > 
> > > 
> > > I'm sorry to be pressing, but would you give me a comment on this patch for
> > > going on the next step to migrate from virt-manager ? 
> > > I attached screenshots this patch shows.
> > 
> > I think rather than having it popup a new window with a list of hosts to
> > migrate to, you could just have a sub-menu where you choose the destination
> > host directly.
> > 
> > eg,
> > 
> >     right-click
> >       |
> >       +-  Run
> >           Pause
> >           Shutdown
> >           --------
> >           Migrate ----> host1.example.com
> >                         host2.example.com
> >                         host3.example.com
> >                         ...etc...
> > 
> > When the user selects one of these hosts, it'd popup a confirmation
> > window, and do the neccessary migration checks, and then allow the
> > admin to confirm to start the migration.
> > 
> > > > > I sent an e-mail last month with proposals for doing this within libvirt.  I put
> > > > > up all of the information I have in the libvirt wiki here:
> > > > > 
> > > > > http://wiki.libvirt.org/page/TodoPreMigrationChecks
> > > > 
> > > > Thank you for your information. I see above libvirt wiki and I have a few 
> > > > idea adding checks within libvirt. These point of view are Guest and Host sanity
> > > > in BASIC CHECKS. How about this points ?
> > > > 
> > > >  1)Guest sanity is checking whether already existing or not on the destination.
> > > >    Otherwise the uniqueness of the domain(UUID, name) are lost.
> > > >    * I think that it is right to check this in libvirt. How do you think this ?
> > 
> > Yes, checking for name/uuid uniqueness has to be done inside libvirt by
> > each hypervisor driver according to their own rules.
> > 
> > > >  2)Host sanity is checking whether a migration flag is ON at each virtualization.
> > 
> > virt-manager will need to check the kind of things on the TodoPreMigrationChecks
> > wiki page.
> > 
> > 
> > Daniel
> > -- 
> > |: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
> > |: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
> > |: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
> > |: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|
> > 
> > _______________________________________________
> > et-mgmt-tools mailing list
> > et-mgmt-tools@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/et-mgmt-tools
> 
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Attachment: migrate_submenu.patch
Description: Binary data

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