import datetime
import time

from azureml.core.compute import ComputeTarget, ComputeInstance
from azureml.core.compute_target import ComputeTargetException

# Choose a name for your instance
# Compute instance name should be unique across the azure region
compute_name = "ci{}".format(ws._workspace_id)[:10]

# Verify that instance does not exist already
try:
    instance = ComputeInstance(workspace=ws, name=compute_name)
    print('Found existing instance, use it.')
except ComputeTargetException:
    compute_config = ComputeInstance.provisioning_configuration(
        vm_size='STANDARD_D3_V2',
        ssh_public_access=False,
        # vnet_resourcegroup_name='<my-resource-group>',
        # vnet_name='<my-vnet-name>',
        # subnet_name='default',
        # admin_user_ssh_public_key='<my-sshkey>'
    )
    instance = ComputeInstance.create(ws, compute_name, compute_config)
    instance.wait_for_completion(show_output=True)