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[Matt Riedemann <mriedem@xxxxxxxxxx>]

Per commit 2f7403bd7200a01e350cde9182c273562e0c9c62 we no longer support
the 1:M mapping described here.

** Changed in: nova
       Status: In Progress => Won't Fix

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https://bugs.launchpad.net/bugs/1483104

Title:
  VMware: host-describe only return the result of one VC cluster when we
  map one nova-compute to multiple VC cluster

Status in OpenStack Compute (nova):
  Won't Fix

Bug description:
  We use nova vCenter driver, and config one nova-compute to manage two
  VC clusters, like this:

  CONF.vmware.cluster_name = ClusterA, ClusterB

  when we use 'nova host-describe' to get statistical information(total,
  used_now) of the nova-compute host, it only return the result of one
  VC cluster.

  We check objects.ComputeNode.get_first_node_by_host_for_old_compat(),
  it only return the first compute-node and ignore others.

      @base.remotable_classmethod
      def get_first_node_by_host_for_old_compat(cls, context, host,
                                                use_slave=False):
          computes = ComputeNodeList.get_all_by_host(context, host, use_slave)
          # FIXME(sbauza): Some hypervisors (VMware, Ironic) can return multiple
          # nodes per host, we should return all the nodes and modify the callers
          # instead.
          # Arbitrarily returning the first node.
          return computes[0]

  Code base:

  $ git log -1
  commit 744f98c8e5bc911a87cbdee28d6ccc3d914c8238
  Merge: cdfd489 0adde67
  Author: Jenkins <jenkins@xxxxxxxxxxxxxxxxxxxx>
  Date:   Sun Aug 9 19:14:36 2015 +0000

      Merge "libvirt: convert GlusterFS driver to
  LibvirtBaseFileSystemVolumeDriver"

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