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Merge "tests: add more unit tests for qinling.orchestrator"

changes/47/553947/1
Zuul 3 years ago
committed by Gerrit Code Review
parent
commit
7cd0e933b1
1 changed files with 262 additions and 0 deletions
  1. +262
    -0
      qinling/tests/unit/orchestrator/kubernetes/test_manager.py

+ 262
- 0
qinling/tests/unit/orchestrator/kubernetes/test_manager.py View File

@ -13,6 +13,7 @@
# limitations under the License.
import mock
import testtools
import yaml
from oslo_config import cfg
@ -26,6 +27,7 @@ from qinling.utils import common
CONF = cfg.CONF
SERVICE_PORT = 9090
SERVICE_ADDRESS_EXTERNAL = '1.2.3.4'
SERVICE_ADDRESS_INTERNAL = '127.0.0.1'
class TestKubernetesManager(base.BaseTest):
@ -73,6 +75,55 @@ class TestKubernetesManager(base.BaseTest):
nodes.items = [item]
return nodes
def _create_nodes_with_internal_ip(self):
addr1 = mock.Mock()
addr1.type = 'InternalIP'
addr1.address = SERVICE_ADDRESS_INTERNAL
addr2 = mock.Mock()
addr2.type = 'UNKNOWN TYPE'
item = mock.Mock()
item.status.addresses = [addr1, addr2]
nodes = mock.Mock()
nodes.items = [item]
return nodes
def test__ensure_namespace(self):
# self.manager is not used in this test.
namespaces = mock.Mock()
namespaces.items = []
self.k8s_v1_api.list_namespace.return_value = namespaces
k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
namespace_body = {
'apiVersion': 'v1',
'kind': 'Namespace',
'metadata': {
'name': self.fake_namespace,
'labels': {
'name': self.fake_namespace
}
},
}
# setUp also calls list_namespace.
self.assertEqual(2, self.k8s_v1_api.list_namespace.call_count)
self.k8s_v1_api.create_namespace.assert_called_once_with(
namespace_body)
def test__ensure_namespace_not_create_namespace(self):
# self.manager is not used in this test.
item = mock.Mock()
item.metadata.name = self.fake_namespace
namespaces = mock.Mock()
namespaces.items = [item]
self.k8s_v1_api.list_namespace.return_value = namespaces
k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
# setUp also calls list_namespace.
self.assertEqual(2, self.k8s_v1_api.list_namespace.call_count)
self.k8s_v1_api.create_namespace.assert_not_called()
def test_create_pool(self):
ret = mock.Mock()
ret.status.replicas = 5
@ -102,6 +153,42 @@ class TestKubernetesManager(base.BaseTest):
self.k8s_v1_ext.read_namespaced_deployment.assert_called_once_with(
fake_deployment_name, self.fake_namespace)
def test_create_pool_wait_deployment_available(self):
ret1 = mock.Mock()
ret1.status.replicas = 0
ret2 = mock.Mock()
ret2.status.replicas = 3
ret2.status.available_replicas = 1
ret3 = mock.Mock()
ret3.status.replicas = 3
ret3.status.available_replicas = 3
self.k8s_v1_ext.read_namespaced_deployment.side_effect = [
ret1, ret2, ret3
]
fake_deployment_name = self.rand_name('deployment',
prefix='TestKubernetesManager')
fake_image = self.rand_name('image', prefix='TestKubernetesManager')
self.manager.create_pool(fake_deployment_name, fake_image)
self.assertEqual(
3, self.k8s_v1_ext.read_namespaced_deployment.call_count)
@testtools.skip("Default timeout is too long.")
def test_create_pool_wait_deployment_timeout(self):
ret = mock.Mock()
ret.status.replicas = 0
self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
fake_deployment_name = self.rand_name('deployment',
prefix='TestKubernetesManager')
fake_image = self.rand_name('image', prefix='TestKubernetesManager')
self.manager.create_pool(fake_deployment_name, fake_image)
self.assertLess(
200, # Default timeout is 600s with wait interval set to 2s.
self.k8s_v1_ext.read_namespaced_deployment.call_count)
def test_delete_pool(self):
# Deleting namespaced service is also tested in this.
svc1 = mock.Mock()
@ -293,6 +380,56 @@ class TestKubernetesManager(base.BaseTest):
self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
self.fake_namespace, body=yaml.safe_load(pod_body))
def test_prepare_execution_with_image_function_input(self):
function_id = common.generate_unicode_uuid()
image = self.rand_name('image', prefix='TestKubernetesManager')
identifier = ('%s-%s' % (
common.generate_unicode_uuid(dashed=False),
function_id)
)[:63]
fake_input = {'__function_input': 'input_item1 input_item2'}
pod_name, url = self.manager.prepare_execution(
function_id, image=image, identifier=identifier,
input=fake_input)
# in _create_pod
pod_body = self.manager.pod_template.render(
{
'pod_name': identifier,
'labels': {'function_id': function_id},
'pod_image': image,
'input': ['input_item1', 'input_item2']
}
)
self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
self.fake_namespace, body=yaml.safe_load(pod_body))
def test_prepare_execution_with_image_json_input(self):
function_id = common.generate_unicode_uuid()
image = self.rand_name('image', prefix='TestKubernetesManager')
identifier = ('%s-%s' % (
common.generate_unicode_uuid(dashed=False),
function_id)
)[:63]
fake_input = '["input_item3", "input_item4"]'
pod_name, url = self.manager.prepare_execution(
function_id, image=image, identifier=identifier,
input=fake_input)
# in _create_pod
pod_body = self.manager.pod_template.render(
{
'pod_name': identifier,
'labels': {'function_id': function_id},
'pod_image': image,
'input': ['input_item3', 'input_item4']
}
)
self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
self.fake_namespace, body=yaml.safe_load(pod_body))
def test_prepare_execution_no_worker_available(self):
ret_pods = mock.Mock()
ret_pods.items = []
@ -317,6 +454,34 @@ class TestKubernetesManager(base.BaseTest):
self.k8s_v1_api.list_namespaced_pod.assert_has_calls(list_calls)
self.assertEqual(2, self.k8s_v1_api.list_namespaced_pod.call_count)
def test_prepare_execution_service_already_exists(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
prefix='TestKubernetesManager')
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
list_pod_ret = mock.Mock()
list_pod_ret.items = [pod]
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
exception = RuntimeError()
exception.status = 409
self.k8s_v1_api.create_namespaced_service.side_effect = exception
self.k8s_v1_api.read_namespaced_service.return_value = (
self._create_service()
)
self.k8s_v1_api.list_node.return_value = (
self._create_nodes_with_external_ip()
)
runtime_id = common.generate_unicode_uuid()
function_id = common.generate_unicode_uuid()
pod_names, service_url = self.manager.prepare_execution(
function_id, image=None, identifier=runtime_id,
labels={'runtime_id': runtime_id})
# in _prepare_pod
self.k8s_v1_api.read_namespaced_service.assert_called_once_with(
'service-%s' % function_id, self.fake_namespace)
def test_prepare_execution_pod_preparation_failed(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
@ -345,6 +510,32 @@ class TestKubernetesManager(base.BaseTest):
function_id,
{'runtime_id': runtime_id, 'function_id': function_id})
def test_prepare_execution_service_internal_ip(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
prefix='TestKubernetesManager')
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
list_pod_ret = mock.Mock()
list_pod_ret.items = [pod]
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
self.k8s_v1_api.create_namespaced_service.return_value = (
self._create_service()
)
self.k8s_v1_api.list_node.return_value = (
self._create_nodes_with_internal_ip()
)
runtime_id = common.generate_unicode_uuid()
function_id = common.generate_unicode_uuid()
pod_names, service_url = self.manager.prepare_execution(
function_id, image=None, identifier=runtime_id,
labels={'runtime_id': runtime_id})
self.assertEqual(pod.metadata.name, pod_names)
self.assertEqual(
'http://%s:%s' % (SERVICE_ADDRESS_INTERNAL, SERVICE_PORT),
service_url)
def test_run_execution(self):
pod = mock.Mock()
pod.status.phase = 'Succeeded'
@ -524,6 +715,77 @@ class TestKubernetesManager(base.BaseTest):
self.manager.scaleup_function,
function_id, identifier=runtime_id, count=2)
def test_scaleup_function_service_already_exists(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
prefix='TestKubernetesManager')
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
list_pod_ret = mock.Mock()
list_pod_ret.items = [pod]
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
exception = RuntimeError()
exception.status = 409
self.k8s_v1_api.create_namespaced_service.side_effect = exception
self.k8s_v1_api.read_namespaced_service.return_value = (
self._create_service()
)
self.k8s_v1_api.list_node.return_value = (
self._create_nodes_with_external_ip()
)
runtime_id = common.generate_unicode_uuid()
function_id = common.generate_unicode_uuid()
pod_names, service_url = self.manager.scaleup_function(
function_id, identifier=runtime_id)
# in _prepare_pod
self.k8s_v1_api.read_namespaced_service.assert_called_once_with(
'service-%s' % function_id, self.fake_namespace)
def test_scaleup_function_service_create_failed(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
prefix='TestKubernetesManager')
pod.metadata.labels = None
list_pod_ret = mock.Mock()
list_pod_ret.items = [pod]
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
exception = RuntimeError()
exception.status = 500
self.k8s_v1_api.create_namespaced_service.side_effect = exception
runtime_id = common.generate_unicode_uuid()
function_id = common.generate_unicode_uuid()
self.assertRaises(
RuntimeError,
self.manager.scaleup_function,
function_id, identifier=runtime_id)
def test_scaleup_function_service_internal_ip(self):
pod = mock.Mock()
pod.metadata.name = self.rand_name('pod',
prefix='TestKubernetesManager')
pod.metadata.labels = None
list_pod_ret = mock.Mock()
list_pod_ret.items = [pod]
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
self.k8s_v1_api.create_namespaced_service.return_value = (
self._create_service()
)
self.k8s_v1_api.list_node.return_value = (
self._create_nodes_with_internal_ip()
)
runtime_id = common.generate_unicode_uuid()
function_id = common.generate_unicode_uuid()
pod_names, service_url = self.manager.scaleup_function(
function_id, identifier=runtime_id)
self.assertEqual([pod.metadata.name], pod_names)
self.assertEqual(
'http://%s:%s' % (SERVICE_ADDRESS_INTERNAL, SERVICE_PORT),
service_url)
def test_delete_worker(self):
pod_name = self.rand_name('pod', prefix='TestKubernetesManager')


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