# coding: utf-8 # ------------------------------------------------------------------------- # Copyright (c) Microsoft Corporation. All rights reserved. # Licensed under the MIT License. See License.txt in the project root for # license information. # -------------------------------------------------------------------------- # pylint: disable=line-too-long import azure.mgmt.batchai.models as models from azure.mgmt.batchai import BatchAIManagementClient from devtools_testutils import AzureMgmtTestCase from devtools_testutils import ResourceGroupPreparer from devtools_testutils import StorageAccountPreparer from helpers import Helpers class ClusterTestCase(AzureMgmtTestCase): def setUp(self): super(ClusterTestCase, self).setUp() self.client = Helpers.create_batchai_client(self) # type: BatchAIManagementClient self.cluster_name = self.get_resource_name('cluster') @ResourceGroupPreparer(location=Helpers.LOCATION) @StorageAccountPreparer(name_prefix='psdk', location=Helpers.LOCATION, playback_fake_resource=Helpers.FAKE_STORAGE) def test_creation_and_deletion(self, resource_group, location, storage_account, storage_account_key): """Tests basic use-case scenario. 1. Create cluster 2. Execute a task on the host 3. Execute a task in a docker container 4. Delete cluster """ cluster = Helpers.create_cluster( self.client, location, resource_group.name, self.cluster_name, 'STANDARD_D1', 1, storage_account.name, storage_account_key) self.assertEqual(cluster.name, self.cluster_name) self.assertIsNone(cluster.errors) self.assertEqual(cluster.vm_size, 'STANDARD_D1') # Verify that the cluster is reported in the list of clusters Helpers.assert_existing_clusters_are(self, self.client, resource_group.name, [self.cluster_name]) # Verify that one node is allocated and become available self.assertEqual( Helpers.wait_for_nodes(self.is_live, self.client, resource_group.name, self.cluster_name, 1, Helpers.NODE_STARTUP_TIMEOUT_SEC), 1) Helpers.assert_remote_login_info_reported_for_nodes(self, self.client, resource_group.name, self.cluster_name, 1) # Verify that the cluster able to run tasks. self.assertCanRunJobOnHost(resource_group, location, cluster.id) self.assertCanRunJobInContainer(resource_group, location, cluster.id) # Test cluster deletion self.client.clusters.delete(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name).result() Helpers.assert_existing_clusters_are(self, self.client, resource_group.name, []) @ResourceGroupPreparer(location=Helpers.LOCATION) @StorageAccountPreparer(name_prefix='psdk', location=Helpers.LOCATION, playback_fake_resource=Helpers.FAKE_STORAGE) def test_setup_task_execution(self, resource_group, location, storage_account, storage_account_key): """Tests setup task execution. """ cluster = Helpers.create_cluster( self.client, location, resource_group.name, self.cluster_name, 'STANDARD_D1', 1, storage_account.name, storage_account_key, setup_task_cmd='echo $GREETING $SECRET_GREETING', setup_task_env={'GREETING': 'setup task'}, setup_task_secrets={'SECRET_GREETING': 'has a secret'}) # type: models.Cluster # Verify that the cluster is reported in the list of clusters Helpers.assert_existing_clusters_are(self, self.client, resource_group.name, [self.cluster_name]) # Verify that one node is allocated and become available self.assertEqual( Helpers.wait_for_nodes(self.is_live, self.client, resource_group.name, self.cluster_name, 1, Helpers.NODE_STARTUP_TIMEOUT_SEC), 1) # Check that server doesn't return values for secrets self.assertEqual(len(cluster.node_setup.setup_task.secrets), 1) self.assertEqual(cluster.node_setup.setup_task.secrets[0].name, 'SECRET_GREETING') self.assertIsNone(cluster.node_setup.setup_task.secrets[0].value) # Verify that the setup task is completed by checking generated output. BatchAI reports a path which was auto- # generated for storing setup output logs. setup_task_output_path = cluster.node_setup.setup_task.std_out_err_path_suffix nodes = Helpers.get_node_ids(self.client, resource_group.name, self.cluster_name) self.assertEqual(len(nodes), 1) node_id = nodes[0] Helpers.assert_file_in_file_share(self, storage_account.name, storage_account_key, setup_task_output_path, 'stdout-{0}.txt'.format(node_id), u'setup task has a secret\n') Helpers.assert_file_in_file_share(self, storage_account.name, storage_account_key, setup_task_output_path, 'stderr-{0}.txt'.format(node_id), u'') self.client.clusters.delete(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name).result() @ResourceGroupPreparer(location=Helpers.LOCATION) @StorageAccountPreparer(name_prefix='psdk', location=Helpers.LOCATION, playback_fake_resource=Helpers.FAKE_STORAGE) def test_cluster_resizing(self, resource_group, location, storage_account, storage_account_key): """Tests manual cluster resizing""" cluster = Helpers.create_cluster( self.client, location, resource_group.name, self.cluster_name, 'STANDARD_D1', 1, storage_account.name, storage_account_key) # Verify that one node is allocated and become available self.assertEqual( Helpers.wait_for_nodes(self.is_live, self.client, resource_group.name, self.cluster_name, 1, Helpers.NODE_STARTUP_TIMEOUT_SEC), 1) Helpers.assert_remote_login_info_reported_for_nodes(self, self.client, resource_group.name, self.cluster_name, 1) self.assertCanResizeCluster(resource_group, 0) self.assertCanResizeCluster(resource_group, 1) # Verify that cluster able to run tasks after resizing. self.assertCanRunJobOnHost(resource_group, location, cluster.id) self.client.clusters.delete(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name).result() @ResourceGroupPreparer(location=Helpers.LOCATION) @StorageAccountPreparer(name_prefix='psdk', location=Helpers.LOCATION, playback_fake_resource=Helpers.FAKE_STORAGE) def test_auto_scaling(self, resource_group, location, storage_account, storage_account_key): """Tests auto-scaling""" # Create the cluster with no nodes. cluster = Helpers.create_cluster( self.client, location, resource_group.name, self.cluster_name, 'STANDARD_D1', 0, storage_account.name, storage_account_key) # Switch the cluster into auto-scale mode self.client.clusters.update(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name, scale_settings=models.ScaleSettings( auto_scale=models.AutoScaleSettings( minimum_node_count=0, maximum_node_count=1))) # Submit a task. BatchAI must increase the number of nodes to execute the task. self.assertCanRunJobOnHost(resource_group, location, cluster.id, timeout_sec=Helpers.AUTO_SCALE_TIMEOUT_SEC) # Verify that cluster downsized to zero since there are no more jobs for it self.assertEqual( Helpers.wait_for_nodes(self.is_live, self.client, resource_group.name, self.cluster_name, 0, Helpers.NODE_STARTUP_TIMEOUT_SEC), 0) self.client.clusters.delete(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name).result() def assertCanRunJobInContainer(self, resource_group, location, cluster_id, timeout_sec=Helpers.MINUTE): self.assertCanRunJob(resource_group, location, cluster_id, 'container_job', models.ContainerSettings(image_source_registry=models.ImageSourceRegistry(image="ubuntu")), timeout_sec) def assertCanRunJobOnHost(self, resource_group, location, cluster_id, timeout_sec=Helpers.MINUTE): self.assertCanRunJob(resource_group, location, cluster_id, 'host_job', None, timeout_sec) def assertCanRunJob(self, resource_group, location, cluster_id, job_name, container_settings, timeout_sec): Helpers.create_custom_job(self.client, resource_group.name, cluster_id, job_name, 1, 'echo hello | tee $AZ_BATCHAI_OUTPUT_OUTPUTS/hi.txt', container=container_settings) # Verify if the job finishes reasonably fast. self.assertEqual( Helpers.wait_for_job_completion(self.is_live, self.client, resource_group.name, job_name, timeout_sec), models.ExecutionState.succeeded) # Verify if output files and standard output files are available and contain expected greeting. Helpers.assert_job_files_are(self, self.client, resource_group.name, job_name, 'OUTPUTS', {u'hi.txt': u'hello\n'}) Helpers.assert_job_files_are(self, self.client, resource_group.name, job_name, Helpers.STANDARD_OUTPUT_DIRECTORY_ID, {u'stdout.txt': u'hello\n', u'stderr.txt': ''}) def assertCanResizeCluster(self, resource_group, target): self.client.clusters.update(resource_group.name, Helpers.DEFAULT_WORKSPACE_NAME, self.cluster_name, scale_settings=models.ScaleSettings( manual=models.ManualScaleSettings(target_node_count=target))) self.assertEqual( Helpers.wait_for_nodes(self.is_live, self.client, resource_group.name, self.cluster_name, target, Helpers.NODE_STARTUP_TIMEOUT_SEC), target) Helpers.assert_remote_login_info_reported_for_nodes(self, self.client, resource_group.name, self.cluster_name, target)