def get_vm(self, vm_id):
"""Get the vm reference on a host.
:param vm_id: The name of the vm.
:rtype A vim vm reference.
"""
vm = self._find_by_inventory_path(VM_FOLDER_NAME, vm_id)
if not vm:
raise VmNotFoundException("VM '%s' not found on host." % vm_id)
return vm
def get_location_id(self, vm_id):
"""Get the locationId of the vm
:param vm_id: VM ID as a string.
:return: location id as a string.
"""
vm = self.vim_client.get_vm_in_cache(vm_id)
if not vm:
raise VmNotFoundException("Vm %s not found in cache" % vm_id)
if not vm.location_id:
self._logger.debug("Vm %s does not have location_id" % vm_id)
return vm.location_id
def get_used_memory_mb(self):
vms = self.vim_client.get_vms_in_cache()
if not vms:
return 0
memory = 0
for vm in vms:
# Vms in cache might include half updated record, e.g. with
# None memory_mb, for a short time windows. Those Vms in cache
# could be excluded from total used memory.
if vm.memory_mb:
memory += vm.memory_mb
# This indicates that no values were retrieved from the cache.
if memory == 0:
raise VmNotFoundException("No valid VMs were found")
return memory
def get_configured_cpu_count(self):
"""
Returns the total number of vCPUs across all VMs
:return: number of vCPUs - int
"""
vms = self.vim_client.get_vms_in_cache()
if not vms:
return 0
cpu_count = 0
for vm in vms:
if vm.num_cpu:
cpu_count += vm.num_cpu
# This indicates that no values were retrieved from the cache.
if cpu_count == 0:
raise VmNotFoundException("No valid VMs were found")
return cpu_count