def test_healthy_vm_list_client_cluster(self):
# Arrange
list_instances_map = {}
instance_resp_map = {
'fake-ig-' + c:
gen_fake_instances_get_entry('fake-ig-' + c, 'n1-standard-16',
'10.0.0.' + ip, 'RUNNING')
for c, ip in zip('abcd', '0123')
}
compute_service = build_mock_compute_service(instance_resp_map,
list_instances_map)
noop_tpu_service = build_mock_tpu_service({})
self.mock_discovery.side_effect = build_mock_services_fn(
compute_service, noop_tpu_service)
# Act
vms = ['fake-ig-a', 'fake-ig-b', 'fake-ig-c', 'fake-ig-d']
cr = ClusterResolver(['fake-tpu'], vms=vms)
vm_cluster = cr.get_client_workers()
# Assert
expected = [
ClientWorker(
internal_ip='10.0.0.' + ip,
machine_type='n1-standard-16',
zone='fake-zone',
hostname='fake-ig-' + c) for c, ip in zip('abcd', '0123')
]
self.assertCountEqual(expected, vm_cluster)
def test_healthy_sea_service_cluster(self):
tpu_resp_map = {
'fake-tpu-{}'.format(ip): gen_fake_tpu_entry(
'v3-8', ['10.0.0.{}'.format(ip)],
'fake-tpu-{}'.format(ip),
'READY',
'pytorch-nightly',
health='HEALTHY') for ip in range(256)
}
noop_compute_service = build_mock_compute_service({}, {})
tpu_service = build_mock_tpu_service(tpu_resp_map)
self.mock_discovery.side_effect = build_mock_services_fn(
noop_compute_service, tpu_service)
tpus = list(tpu_resp_map.keys())
cr = ClusterResolver(tpus)
service_workers = cr.get_service_workers()
expected = [
ServiceWorker(
internal_ip='10.0.0.{}'.format(ip),
port='8470',
machine_type='v3-8',
zone='fake-zone',
sw_version='pytorch-nightly') for ip in range(256)
]
self.assertCountEqual(expected, service_workers)
def test_healthy_cluster(self):
list_instances_map = {
'fake-ig': {
'kind':
'compute#instanceGroupsListInstances',
'items': [
gen_fake_ig_list_instances_entry('fake-ig-' + c, 'RUNNING')
for c in 'abcd'
],
},
}
instance_resp_map = {
'fake-ig-' + c:
gen_fake_instances_get_entry('fake-ig-' + c, 'n1-standard-16',
'10.0.0.' + ip, 'RUNNING')
for c, ip in zip('abcd', '0123')
}
compute_service = build_mock_compute_service(instance_resp_map,
list_instances_map)
tpu_resp_map = {
'fake-pod':
gen_fake_tpu_entry(
'v3-32', ['10.0.0.{}'.format(ip) for ip in range(4)],
'fake-pod',
'READY',
'pytorch-nightly',
health='HEALTHY'),
}
tpu_service = build_mock_tpu_service(tpu_resp_map)
self.mock_discovery.side_effect = build_mock_services_fn(
compute_service, tpu_service)
tpus = list(tpu_resp_map.keys())
cr = ClusterResolver(tpus)
cluster = cr.get_cluster()
expected_client_workers = [
ClientWorker(
internal_ip='10.0.0.' + ip,
machine_type='n1-standard-16',
zone='fake-zone',
hostname='fake-ig-' + c) for c, ip in zip('abcd', '0123')
]
expected_service_workers = [
ServiceWorker(
internal_ip='10.0.0.{}'.format(ip),
port='8470',
machine_type='v3-32',
zone='fake-zone',
sw_version='pytorch-nightly') for ip in range(4)
]
expected = Cluster(expected_client_workers, expected_service_workers)
self.assertEqual(expected, cluster)
def test_empty_instance_group_client_cluster(self):
list_instances_map = {
'fake-ig': {
'kind': 'compute#instanceGroupsListInstances',
'items': [],
},
}
instance_resp_map = {
'fake-ig-a':
gen_fake_instances_get_entry('fake-ig-a', 'n1-standard-16',
'10.0.0.0', 'RUNNING'),
}
compute_service = build_mock_compute_service(instance_resp_map,
list_instances_map)
noop_tpu_service = build_mock_tpu_service({})
self.mock_discovery.side_effect = build_mock_services_fn(
compute_service, noop_tpu_service)
# Act
cr = ClusterResolver(['fake-tpu'])
# Assert
self.assertRaisesRegex(RuntimeError,
'.*vms is empty in instance group.*',
cr._get_client_workers)
def test_non_ready_sea_service_cluster(self):
tpu_resp_map = {
'fake-tpu-0':
gen_fake_tpu_entry('v3-8', ['10.0.0.0'],
'fake-tpu-0',
'READY',
'pytorch-nightly',
health='HEALTHY'),
'fake-tpu-1':
gen_fake_tpu_entry('v3-8', ['10.0.0.1'],
'fake-tpu-1',
'READY',
'pytorch-nightly',
health='HEALTHY'),
'fake-tpu-2':
gen_fake_tpu_entry('v3-8', ['10.0.0.2'], 'fake-tpu-2', 'CREATING',
'pytorch-nightly'),
'fake-tpu-3':
gen_fake_tpu_entry('v3-8', ['10.0.0.3'],
'fake-tpu-3',
'READY',
'pytorch-nightly',
health='HEALTHY'),
}
noop_compute_service = build_mock_compute_service({}, {})
tpu_service = build_mock_tpu_service(tpu_resp_map)
self.mock_discovery.side_effect = build_mock_services_fn(
noop_compute_service, tpu_service)
tpus = list(tpu_resp_map.keys())
cr = ClusterResolver(tpus)
self.assertRaisesRegex(RuntimeError,
'TPU fake-tpu-2 is not READY yet.*',
cr.get_service_workers)
def get_tpu_fn(*args, **kwargs):
node_name = ClusterResolver._parse_resource_url(
kwargs['name'], 'nodes')
resp = get_tpu_resp[node_name]
get_node = mock.MagicMock()
get_node.execute.return_value = resp
return get_node
def test_unknown_health_pod_service_cluster(self):
tpu_resp_map = {
'fake-pod':
gen_fake_tpu_entry('v3-32',
['10.0.0.{}'.format(ip) for ip in range(4)],
'fake-pod', 'READY', 'pytorch-nightly'),
}
noop_compute_service = build_mock_compute_service({}, {})
tpu_service = build_mock_tpu_service(tpu_resp_map)
self.mock_discovery.side_effect = build_mock_services_fn(
noop_compute_service, tpu_service)
tpus = list(tpu_resp_map.keys())
cr = ClusterResolver(tpus)
self.assertRaisesRegex(RuntimeError,
'TPU fake-pod is not HEALTHY yet.*',
cr.get_service_workers)
def test_unhealthy_client_cluster(self):
# Arrange
list_instances_map = {
'fake-ig': {
'kind':
'compute#instanceGroupsListInstances',
'items': [
gen_fake_ig_list_instances_entry('fake-ig-a', 'RUNNING'),
gen_fake_ig_list_instances_entry('fake-ig-b',
'PROVISIONING'),
gen_fake_ig_list_instances_entry('fake-ig-c', 'RUNNING'),
gen_fake_ig_list_instances_entry('fake-ig-d', 'RUNNING'),
],
},
}
instance_resp_map = {
'fake-ig-a':
gen_fake_instances_get_entry('fake-ig-a', 'n1-standard-16',
'10.0.0.0', 'RUNNING'),
'fake-ig-b':
gen_fake_instances_get_entry('fake-ig-b', 'n1-standard-16',
'10.0.0.1', 'PROVISIONING'),
'fake-ig-c':
gen_fake_instances_get_entry('fake-ig-c', 'n1-standard-16',
'10.0.0.2', 'RUNNING'),
'fake-ig-d':
gen_fake_instances_get_entry('fake-ig-d', 'n1-standard-16',
'10.0.0.3', 'RUNNING'),
}
compute_service = build_mock_compute_service(instance_resp_map,
list_instances_map)
noop_tpu_service = build_mock_tpu_service({})
self.mock_discovery.side_effect = build_mock_services_fn(
compute_service, noop_tpu_service)
# Act
cr = ClusterResolver(['fake-tpu'])
# Assert
self.assertRaisesRegex(RuntimeError,
'Instance fake-ig-b is not running yet.*',
cr._get_client_workers)
def test_bad_cluster(self):
list_instances_map = {
'fake-ig': {
'kind':
'compute#instanceGroupsListInstances',
'items': [
gen_fake_ig_list_instances_entry('fake-ig-' + c, 'RUNNING')
for c in 'abc'
],
},
}
instance_resp_map = {
'fake-ig-' + c:
gen_fake_instances_get_entry('fake-ig-' + c, 'n1-standard-16',
'10.0.0.' + ip, 'RUNNING')
for c, ip in zip('abcd', '0123')
}
compute_service = build_mock_compute_service(instance_resp_map,
list_instances_map)
tpu_resp_map = {
'fake-pod':
gen_fake_tpu_entry(
'v3-32', ['10.0.0.{}'.format(ip) for ip in range(4)],
'fake-pod',
'READY',
'pytorch-nightly',
health='HEALTHY'),
}
tpu_service = build_mock_tpu_service(tpu_resp_map)
self.mock_discovery.side_effect = build_mock_services_fn(
compute_service, tpu_service)
tpus = list(tpu_resp_map.keys())
cr = ClusterResolver(tpus)
self.assertRaisesRegex(
RuntimeError,
'The client_workers and service_workers must have a 1:1 mapping',
cr.get_cluster)
