Expose nova config option [workaround]/never_download_image_if_on_rbd
This exposes the nova workaround to disable downloading images from glance to rbd (vs a cheap COW clone) when nova-compute and glance are not backed by the same ceph cluster. Related nova change: I069b6b1d28eaf1eee5c7fb8d0fdef9c0c229a1bf Change-Id: I8329810d6c047c0d94e7b123e7cdc1263a7856cd (cherry picked from commit9f26045197
) (cherry picked from commit38c233271a
) (cherry picked from commitf71fa558de
)
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@ -243,6 +243,7 @@ class nova::compute (
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include ::nova::deps
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include ::nova::params
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include ::nova::workarounds
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$cpu_shared_set_real = pick(join(any2array($cpu_shared_set), ','), $::os_service_default)
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$cpu_dedicated_set_real = pick(join(any2array($cpu_dedicated_set), ','), $::os_service_default)
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@ -4,17 +4,27 @@
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#
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# === Parameters:
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#
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# [*never_download_image_if_on_rbd*]
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# (optional) refuse to boot an instance if it would require downloading from
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# glance and uploading to ceph instead of a COW clone
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# Defaults to $::os_service_default
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#
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# [*enable_numa_live_migration*]
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# (optional) Whether to enable live migration for NUMA topology instances.
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# Defaults to false
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#
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class nova::workarounds (
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$enable_numa_live_migration = false,
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$never_download_image_if_on_rbd = $::os_service_default,
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) {
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nova_config {
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'workarounds/enable_numa_live_migration': value => $enable_numa_live_migration;
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}
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nova_config {
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'workarounds/never_download_image_if_on_rbd': value => $never_download_image_if_on_rbd;
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}
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}
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@ -10,14 +10,19 @@ describe 'nova::workarounds' do
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context 'with default parameters' do
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it { is_expected.to contain_nova_config('workarounds/enable_numa_live_migration').with_value(false) }
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it { is_expected.to contain_nova_config('workarounds/never_download_image_if_on_rbd').with_value('<SERVICE DEFAULT>') }
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end
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context 'with overridden parameters' do
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let :params do
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{ :enable_numa_live_migration => true,}
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{
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:enable_numa_live_migration => true,
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:never_download_image_if_on_rbd => true
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}
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end
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it { is_expected.to contain_nova_config('workarounds/enable_numa_live_migration').with_value('true') }
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it { is_expected.to contain_nova_config('workarounds/never_download_image_if_on_rbd').with_value('true') }
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end
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end
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