Added requirement between hugetlbfs_mount and libvirt

* Added lost requirement

Change-Id: I468f11772ab142d749ae9aaa0bb2933e027fea60
Closes-Bug: #1556083

deployment/puppet/openstack_tasks/manifests/roles/compute.pp

@@ -221,7 +221,7 @@ class openstack_tasks::roles::compute {
       $libvirt_hugetlbfs_mount = 'set hugetlbfs_mount /run/hugepages/kvm'
     } else {
       $qemu_hugepages_value    = 'rm KVM_HUGEPAGES'
-      $libvirt_hugetlbfs_mount = 'rm hugetlbfs_mount'
+      $libvirt_hugetlbfs_mount = 'set hugetlbfs_mount ""'
     }
     augeas { 'qemu_hugepages':
       context => '/files/etc/default/qemu-kvm',
@@ -231,6 +231,7 @@ class openstack_tasks::roles::compute {
     augeas { 'libvirt_hugetlbfs_mount':
       context => '/files/etc/libvirt/qemu.conf',
       changes => $libvirt_hugetlbfs_mount,
+      require => Package[$::nova::params::libvirt_package_name],
       notify  => Service['libvirt'],
     }
 

tests/noop/spec/hosts/roles/compute_spec.rb

@@ -202,7 +202,7 @@ describe manifest do
         libvirt_hugetlbfs_mount = 'set hugetlbfs_mount /run/hugepages/kvm'
       else
         qemu_hugepages_value    = 'rm KVM_HUGEPAGES'
-        libvirt_hugetlbfs_mount = 'rm hugetlbfs_mount'
+        libvirt_hugetlbfs_mount = 'set hugetlbfs_mount ""'
       end
 
       if facts[:osfamily] == 'Debian'
@@ -214,6 +214,7 @@ describe manifest do
         should contain_augeas('libvirt_hugetlbfs_mount').with(
           'context' => '/files/etc/libvirt/qemu.conf',
           'changes' => libvirt_hugetlbfs_mount,
+          'require' => 'Package[libvirt-bin]',
         ).that_notifies('Service[libvirt]')
 
         should contain_augeas('qemu_hugepages').that_notifies('Service[qemu-kvm]')