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Add the ability to create linked clones in vsphere

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This commit is contained in:
Eric Stonfer 2012-01-17 11:52:08 -05:00
parent d97384b19e
commit 8e341ad831
1 changed files with 34 additions and 3 deletions
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37
lib/fog/vsphere/requests/compute/vm_clone.rb
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@ -70,10 +70,41 @@ module Fog
esx_host = vm_mob_ref.collect!('runtime.host')['runtime.host']
# The parent of the ESX host itself is a ComputeResource which has a resourcePool
resource_pool = esx_host.parent.resourcePool
# Next, create a Relocation Spec instance
relocation_spec = RbVmomi::VIM.VirtualMachineRelocateSpec(:pool => resource_pool,
relocation_spec=nil
if ( options['linked_clone'] )
# cribbed heavily from the rbvmomi clone_vm.rb
# this chunk of code reconfigures the disk of the clone source to be read only,
# and then creates a delta disk on top of that, this is required by the API in order to create
# linked clondes
disks=vm_mob_ref.config.hardware.device.select{|vm_device| vm_device.class == RbVmomi::VIM::VirtualDisk}
disks.select{|vm_device| vm_device.backing.parent == nil}.each do |disk|
disk_spec = {
:deviceChange => [
{
:operation => :remove,
:device => disk
},
{
:operation => :add,
:fileOperation => :create,
:device => disk.dup.tap{|disk_backing|
disk_backing.backing = disk_backing.backing.dup;
disk_backing.backing.fileName = "[#{disk.backing.datastore.name}]";
disk_backing.backing.parent = disk.backing
}
},
]
}
vm_mob_ref.ReconfigVM_Task(:spec => disk_spec).wait_for_completion
end
# Next, create a Relocation Spec instance
relocation_spec = RbVmomi::VIM.VirtualMachineRelocateSpec(:pool => resource_pool,
:diskMoveType => :moveChildMostDiskBacking)
else
relocation_spec = RbVmomi::VIM.VirtualMachineRelocateSpec(:pool => resource_pool,
:transform => options['transform'] || 'sparse')
end
# And the clone specification
clone_spec = RbVmomi::VIM.VirtualMachineCloneSpec(:location => relocation_spec,
:powerOn => options['power_on'] || true,