Allow overriding RBD disk cache modes
Keep the default network=writeback setting, but allow it to come from hiera overrides as well. Change-Id: I47aaf4be463684f5b67820b8ebb5db44ba960b44 Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>
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@ -38,8 +38,9 @@ class tripleo::profile::base::nova::compute_libvirt_shared (
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) {
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if $step >= 4 {
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# Ceph + Libvirt
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$rbd_ephemeral_storage = hiera('nova::compute::rbd::ephemeral_storage', false)
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$rbd_ephemeral_storage = hiera('nova::compute::rbd::ephemeral_storage', false)
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$rbd_persistent_storage = hiera('rbd_persistent_storage', false)
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$rbd_disk_cachemodes = hiera('rbd_disk_cachemodes', ['network=writeback'])
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if $rbd_ephemeral_storage or $rbd_persistent_storage {
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include nova::compute::rbd
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exec{ "exec-setfacl-${nova_rbd_client_name}-nova":
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@ -56,7 +57,7 @@ class tripleo::profile::base::nova::compute_libvirt_shared (
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if $rbd_ephemeral_storage {
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class { 'nova::compute::libvirt':
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disk_cachemodes => ['network=writeback'],
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disk_cachemodes => $rbd_disk_cachemodes,
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hw_disk_discard => 'unmap',
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}
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} else {
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@ -0,0 +1,5 @@
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---
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features:
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- |
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New hiera setting `rbd_disk_cachemodes` allows to override
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the disk cache modes for RBD. Defaults to ['network=writeback'].
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