def get_available_resource():
"""Retrieve resource info.
This method is called when nova-compute launches, and
as part of a periodic task.
:returns: dictionary describing resources
"""
host_info = vmutils.get_host_info()
cpu_info = hostutils.get_cpus_info()
local_gb, _, local_gb_used = _get_local_hdd_info_gb()
resources = {
"vcpus": host_info[constants.HOST_PROCESSOR_COUNT],
"memory_mb": host_info[constants.HOST_MEMORY_SIZE],
"memory_mb_used": (host_info[constants.HOST_MEMORY_SIZE] - host_info[constants.HOST_MEMORY_AVAILABLE]),
"local_gb": local_gb,
"local_gb_used": local_gb_used,
"hypervisor_type": "vbox",
"hypervisor_version": _get_hypervisor_version(),
"hypervisor_hostname": platform.node(),
"vcpus_used": 0,
"cpu_info": jsonutils.dumps(cpu_info),
"supported_instances": jsonutils.dumps(
[(arch.I686, hv_type.VBOX, vm_mode.HVM), (arch.X86_64, hv_type.VBOX, vm_mode.HVM)]
),
"numa_topology": None,
}
return resources
def get_cpus_info():
"""Get the CPU information.
:returns: A dictionary containing the main properties
of the central processor in the hypervisor.
"""
cpu_info = {}
topology = {}
host_info = vmutils.get_host_info()
all_infos = manage.VBoxManage.list(constants.HOST_INFO)
topology['sockets'] = host_info[constants.HOST_PROCESSOR_COUNT]
topology['cores'] = host_info[constants.HOST_PROCESSOR_CORE_COUNT]
topology['threads'] = topology['sockets'] / topology['cores']
cpu_info['topology'] = topology
cpu_info['arch'] = 'Unknown'
cpu_info['model'] = None
cpu_info['vendor'] = None
cpu_info['features'] = []
for line in all_infos.splitlines():
if line.startswith(constants.HOST_FIRST_CPU_DESCRIPTION):
cpu_info['model'] = line.split(':')[1].strip()
cpu_info['vendor'] = cpu_info['model'].split()[0]
break
return cpu_info
def get_cpus_info():
"""Get the CPU information.
:returns: A dictionary containing the main properties
of the central processor in the hypervisor.
"""
cpu_info = {}
topology = {}
host_info = vmutils.get_host_info()
all_infos = manage.VBoxManage.list(constants.HOST_INFO)
topology['sockets'] = host_info[constants.HOST_PROCESSOR_COUNT]
topology['cores'] = host_info[constants.HOST_PROCESSOR_CORE_COUNT]
topology['threads'] = topology['sockets'] / topology['cores']
cpu_info['topology'] = topology
cpu_info['arch'] = 'Unknown'
cpu_info['model'] = None
cpu_info['vendor'] = None
cpu_info['features'] = []
for line in all_infos.splitlines():
if line.startswith(constants.HOST_FIRST_CPU_DESCRIPTION):
cpu_info['model'] = line.split(':')[1].strip()
cpu_info['vendor'] = cpu_info['model'].split()[0]
break
return cpu_info
def test_get_host_info(self, mock_list):
mock_list.return_value = fake.FakeVBoxManage.list_host_info()
response = vmutils.get_host_info()
self.assertEqual(fake.FAKE_HOST_PROCESSOR_COUNT,
response[constants.HOST_PROCESSOR_COUNT])
self.assertEqual(fake.FAKE_HOST_PROCESSOR_CORE_COUNT,
response[constants.HOST_PROCESSOR_CORE_COUNT])
self.assertEqual(fake.FAKE_HOST_MEMORY_AVAILABLE,
response[constants.HOST_MEMORY_AVAILABLE])
self.assertEqual(fake.FAKE_HOST_MEMORY_SIZE,
response[constants.HOST_MEMORY_SIZE])
def test_get_host_info(self, mock_list):
mock_list.return_value = fake.FakeVBoxManage.list_host_info()
response = vmutils.get_host_info()
self.assertEqual(fake.FAKE_HOST_PROCESSOR_COUNT,
response[constants.HOST_PROCESSOR_COUNT])
self.assertEqual(fake.FAKE_HOST_PROCESSOR_CORE_COUNT,
response[constants.HOST_PROCESSOR_CORE_COUNT])
self.assertEqual(fake.FAKE_HOST_MEMORY_AVAILABLE,
response[constants.HOST_MEMORY_AVAILABLE])
self.assertEqual(fake.FAKE_HOST_MEMORY_SIZE,
response[constants.HOST_MEMORY_SIZE])
def get_available_resource():
"""Retrieve resource info.
This method is called when nova-compute launches, and
as part of a periodic task.
:returns: dictionary describing resources
"""
host_info = vmutils.get_host_info()
cpu_info = hostutils.get_cpus_info()
local_gb, _, local_gb_used = _get_local_hdd_info_gb()
resources = {
'vcpus':
host_info[constants.HOST_PROCESSOR_COUNT],
'memory_mb':
host_info[constants.HOST_MEMORY_SIZE],
'memory_mb_used': (host_info[constants.HOST_MEMORY_SIZE] -
host_info[constants.HOST_MEMORY_AVAILABLE]),
'local_gb':
local_gb,
'local_gb_used':
local_gb_used,
'hypervisor_type':
"vbox",
'hypervisor_version':
_get_hypervisor_version(),
'hypervisor_hostname':
platform.node(),
'vcpus_used':
0,
'cpu_info':
jsonutils.dumps(cpu_info),
'supported_instances':
jsonutils.dumps([(arch.I686, hv_type.VBOX, vm_mode.HVM),
(arch.X86_64, hv_type.VBOX, vm_mode.HVM)]),
'numa_topology':
None,
}
return resources
def test_get_host_info_default(self, mock_list):
mock_list.return_value = fake.FakeVBoxManage.list_host_info(False)
response = vmutils.get_host_info()
self.assertEqual(0, response[constants.HOST_PROCESSOR_COUNT])
def test_get_host_info_default(self, mock_list):
mock_list.return_value = fake.FakeVBoxManage.list_host_info(False)
response = vmutils.get_host_info()
self.assertEqual(0, response[constants.HOST_PROCESSOR_COUNT])
