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  • Committer: Ryan Beisner
  • Date: 2016-04-07 17:18:34 UTC
  • Revision ID: ryan.beisner@canonical.com-20160407171834-sadfjmzcj065x912
Set smt off and cpu-mode to host-passthrough for ppc64 architectures

When deploying a ppc64el compute node, smt needs to be
turned off and cpu-mode needs to be set to host-passthrough
for nova/libvirt/kvm use.

Change-Id: I48bd8f9e42dbc5f7c626addaa2fdd1e3f8fdd97e

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hooks/nova_compute_hooks.py
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#!/usr/bin/python
 
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import platform
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import sys
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from charmhelpers.core.hookenv import (
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    install_hugepages,
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    get_hugepage_number,
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    assess_status,
 
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    set_ppc64_cpu_smt_state,
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)
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from charmhelpers.contrib.network.ip import (
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    if config('hugepages'):
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        install_hugepages()
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    # Disable smt for ppc64, required for nova/libvirt/kvm
 
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    arch = platform.machine()
 
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    log('CPU architecture: {}'.format(arch))
 
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    if arch in ['ppc64el', 'ppc64le']:
 
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        set_ppc64_cpu_smt_state('off')
 
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    if (config('libvirt-image-backend') == 'rbd' and
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            assert_libvirt_imagebackend_allowed()):
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        for rid in relation_ids('ceph'):