Edouard: There's another branch that has this code added to the libvirt layer, which has already been proposed for merge. I need to make some minor fixes, but once I do, I think it will be approved for merge.
Here's the merge proposal: https://code.launchpad.net/~usc-isi/nova/extra_specs_sched/+merge/65980 Lorin -- Lorin Hochstein, Computer Scientist USC Information Sciences Institute 703.812.3710 http://www.east.isi.edu/~lorin On Jul 20, 2011, at 11:15 AM, <edouard1.thul...@orange-ftgroup.com> wrote: > Hi, > > I try to add code to the Libvirt layer to enable the Instance Type Filter > needed by the zone aware scheduler. > I looked the code of fake virt layer which implement that. The table > ‘host_status’ in class ‘FakeConnection’ contains all capabilities of the host: > > self.host_status = { > 'host_name-description': 'Fake Host', > 'host_hostname': 'fake-mini', > 'host_memory_total': 8000000000, > 'host_memory_overhead': 10000000, > 'host_memory_free': 7900000000, > 'host_memory_free_computed': 7900000000, > 'host_other_config': {}, > 'host_ip_address': '192.168.1.109', > 'host_cpu_info': {}, > 'disk_available': 500000000000, > 'disk_total': 600000000000, > 'disk_used': 100000000000, > 'host_uuid': 'cedb9b39-9388-41df-8891-c5c9a0c0fe5f', > 'host_name_label': 'fake-mini' > } > > Nothing explain what corresponding each elements of this table and what unit > use. I suppose, the unit is bytes for disk and memory. > And in the code of the host filtering in the scheduler > (nova/scheduler/host_filter.py method class ‘InstanceTypeFilter’ method > ‘host_filtrer’), the scheduler compares the host capabilities with specified > resources of the instance to determined which host can support it. But > specified resources of the instance is in Mbytes for memory and Gbytes for > the disk. Is it normal ? > > Édouard. > ******************************************************************************** > IMPORTANT.Les informations contenues dans ce message electronique y compris > les fichiers attaches sont strictement confidentielles > et peuvent etre protegees par la loi. > Ce message electronique est destine exclusivement au(x) destinataire(s) > mentionne(s) ci-dessus. > Si vous avez recu ce message par erreur ou s il ne vous est pas destine, > veuillez immediatement le signaler a l expediteur et effacer ce message > et tous les fichiers eventuellement attaches. > Toute lecture, exploitation ou transmission des informations contenues dans > ce message est interdite. > Tout message electronique est susceptible d alteration. > A ce titre, le Groupe France Telecom decline toute responsabilite notamment s > il a ete altere, deforme ou falsifie. > De meme, il appartient au destinataire de s assurer de l absence de tout > virus. > > IMPORTANT.This e-mail message and any attachments are strictly confidential > and may be protected by law. This message is > intended only for the named recipient(s) above. > If you have received this message in error, or are not the named > recipient(s), please immediately notify the sender and delete this e-mail > message. > Any unauthorized view, usage or disclosure ofthis message is prohibited. > Since e-mail messages may not be reliable, France Telecom Group shall not be > liable for any message if modified, changed or falsified. > Additionally the recipient should ensure they are actually virus free. > ******************************************************************************** > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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