Expose libvirt/hw_machine_type for consistent machine types.
The libvirt driver currently does not set the machine type for a KVM
guest by default. When not specified, libvirt will use the newest
one it knows about. Unfortunately, that can result in live
migrations failing if your environment is using different versions of
the host OS on compute nodes as the destination node may not be able
to support the machine type used when the VM was originally started.
Change-Id: I269ade8997389fc56ce3009fbd0660d1a47a0c4a
(cherry picked from commit 13fd6e4045
)
This commit is contained in:
parent
e3fe6dc353
commit
efd92e909d
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@ -50,6 +50,10 @@
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# Qemu1.5 (raw format) Qemu1.6(qcow2 format).
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# Defaults to $::os_service_default
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#
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# [*libvirt_hw_machine_type*]
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# (optional) Option to specify a default machine type per host architecture.
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# Defaults to $::os_service_default
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#
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# [*libvirt_inject_password*]
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# (optional) Inject the admin password at boot time, without an agent.
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# Defaults to false
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@ -119,6 +123,7 @@ class nova::compute::libvirt (
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$libvirt_snapshot_image_format = $::os_service_default,
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$libvirt_disk_cachemodes = [],
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$libvirt_hw_disk_discard = $::os_service_default,
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$libvirt_hw_machine_type = $::os_service_default,
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$libvirt_inject_password = false,
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$libvirt_inject_key = false,
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$libvirt_inject_partition = -2,
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@ -192,6 +197,7 @@ class nova::compute::libvirt (
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'libvirt/inject_key': value => $libvirt_inject_key;
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'libvirt/inject_partition': value => $libvirt_inject_partition;
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'libvirt/hw_disk_discard': value => $libvirt_hw_disk_discard;
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'libvirt/hw_machine_type': value => $libvirt_hw_machine_type;
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}
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# cpu_model param is only valid if cpu_mode=custom
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@ -0,0 +1,5 @@
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---
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features:
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- Add libvirt_hw_machine_type parameter to
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nova::compute::libvirt to allow setting the
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libvirt/hw_machine_type option in nova.conf
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@ -70,6 +70,7 @@ describe 'nova::compute::libvirt' do
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:libvirt_snapshot_image_format => 'raw',
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:libvirt_disk_cachemodes => ['file=directsync','block=none'],
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:libvirt_hw_disk_discard => 'unmap',
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:libvirt_hw_machine_type => 'x86_64=machinetype1,armv7l=machinetype2',
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:remove_unused_base_images => true,
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:remove_unused_resized_minimum_age_seconds => 3600,
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:remove_unused_original_minimum_age_seconds => 3600,
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@ -91,6 +92,7 @@ describe 'nova::compute::libvirt' do
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it { is_expected.to contain_nova_config('libvirt/snapshot_image_format').with_ensure('absent')}
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it { is_expected.to contain_nova_config('libvirt/disk_cachemodes').with_value('file=directsync,block=none')}
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it { is_expected.to contain_nova_config('libvirt/hw_disk_discard').with_value('unmap')}
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it { is_expected.to contain_nova_config('libvirt/hw_machine_type').with_value('x86_64=machinetype1,armv7l=machinetype2')}
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it { is_expected.to contain_nova_config('vnc/vncserver_listen').with_value('0.0.0.0')}
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it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_value(true)}
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it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_value(3600)}
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