def test_get_host_stats(self):
memory = {
'total': 4 * units.Mi,
'used': 1 * units.Mi
}
self.mox.StubOutWithMock(socket, 'gethostname')
self.mox.StubOutWithMock(hostinfo, 'get_memory_usage')
socket.gethostname().AndReturn('foo')
hostinfo.get_memory_usage().AndReturn(memory)
socket.gethostname().AndReturn('bar')
hostinfo.get_memory_usage().AndReturn(memory)
self.mox.ReplayAll()
self.assertEqual('foo',
self.connection.get_host_stats()['host_hostname'])
self.assertEqual('foo',
self.connection.get_host_stats()['host_hostname'])
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
), {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': 1,
'vcpus_used': 0,
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': utils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'supported_instances': jsonutils.dumps([
('i686', 'docker', 'lxc'),
('x86_64', 'docker', 'lxc')
])
}
return stats
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
), {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': hostinfo.get_total_vcpus(),
'vcpus_used': hostinfo.get_vcpus_used(self.list_instances(True)),
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': versionutils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'numa_topology': None,
'supported_instances': [
(arch.I686, hv_type.DOCKER, vm_mode.EXE),
(arch.X86_64, hv_type.DOCKER, vm_mode.EXE)
]
}
return stats
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
) % {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': 1,
'vcpus_used': 0,
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': utils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'supported_instances': jsonutils.dumps([
('i686', 'docker', 'lxc'),
('x86_64', 'docker', 'lxc')
])
}
return stats
def get_host_stats(self, refresh=False):
hostname = socket.gethostname()
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = self.get_available_resource(hostname)
stats['hypervisor_hostname'] = stats['hypervisor_hostname']
stats['host_hostname'] = stats['hypervisor_hostname']
stats['host_name_label'] = stats['hypervisor_hostname']
return stats
def get_host_stats(self, refresh=False):
hostname = socket.gethostname()
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = self.get_available_resource(hostname)
stats['hypervisor_hostname'] = stats['hypervisor_hostname']
stats['host_hostname'] = stats['hypervisor_hostname']
stats['host_name_label'] = stats['hypervisor_hostname']
return stats
def test_get_memory_usage(self):
fake_total_memory = 4096
fake_used_memory = 2048
with mock.patch.object(psutil,
'virtual_memory') as mock_virtual_memory:
mock_virtual_memory.return_value.total = fake_total_memory
mock_virtual_memory.return_value.used = fake_used_memory
usage = hostinfo.get_memory_usage()
self.assertEqual(fake_total_memory, usage['total'])
self.assertEqual(fake_used_memory, usage['used'])
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(
_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'), {
'old': self._nodename,
'new': nodename
})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus':
hostinfo.get_total_vcpus(),
'vcpus_used':
hostinfo.get_vcpus_used(self.list_instances(True)),
'memory_mb':
memory['total'] / units.Mi,
'memory_mb_used':
memory['used'] / units.Mi,
'local_gb':
disk['total'] / units.Gi,
'local_gb_used':
disk['used'] / units.Gi,
'disk_available_least':
disk['available'] / units.Gi,
'hypervisor_type':
'docker',
'hypervisor_version':
versionutils.convert_version_to_int('1.0'),
'hypervisor_hostname':
self._nodename,
'cpu_info':
'?',
'numa_topology':
None,
# zy: pay attention that if you do not define supported_instance,you won't start an container from this node
# zy: add new architectures
'supported_instances':
[(arch.I686, hv_type.DOCKER, vm_mode.EXE),
(arch.X86_64, hv_type.DOCKER, vm_mode.EXE),
(arch.ARMV7, hv_type.DOCKER, vm_mode.EXE),
(arch.AARCH64, hv_type.DOCKER, vm_mode.EXE),
(arch.PPC64LE, hv_type.DOCKER, vm_mode.EXE)]
}
return stats
def test_get_memory_usage(self):
meminfo_str = """MemTotal: 1018784 kB
MemFree: 220060 kB
Buffers: 21640 kB
Cached: 63364 kB
SwapCached: 0 kB
Active: 13988 kB
Inactive: 50616 kB
"""
with mock.patch('__builtin__.open',
mock.mock_open(read_data=meminfo_str),
create=True) as m:
usage = hostinfo.get_memory_usage()
m.assert_called_once_with('/proc/meminfo')
self.assertEqual(usage['total'], 1043234816)
self.assertEqual(usage['used'], 730849280)
def test_get_memory_usage(self):
meminfo_str = """MemTotal: 1018784 kB
MemFree: 220060 kB
Buffers: 21640 kB
Cached: 63364 kB
SwapCached: 0 kB
Active: 13988 kB
Inactive: 50616 kB
"""
with mock.patch('__builtin__.open',
mock.mock_open(read_data=meminfo_str),
create=True) as m:
usage = hostinfo.get_memory_usage()
m.assert_called_once_with('/proc/meminfo')
self.assertEqual(usage['total'], 1043234816)
self.assertEqual(usage['used'], 730849280)
def test_get_memory_usage(self):
usage = hostinfo.get_memory_usage()
self.assertEqual(usage['total'], 1043234816)
self.assertEqual(usage['used'], 730849280)
self.assertEqual(usage['free'], 312385536)
