Raise exception when provisioning fails

Currently, no error is thrown when the schedule fails to provision. Only a message is printed in the console 'Provisioning failed, please try again or contact support.':

# schedule.py
def _wait_for_provisioning(self, timeout_seconds):
        """
        Wait for the completion of provisioning for this schedule.

        Returns the status after the wait.

        :param timeout_seconds: Number of seconds to wait before timing out.
        :type timeout_seconds: int

        :return: The final status.
        :rtype: str
        """
        status = self._schedule_provider.get_schedule_provisioning_status(self.id)
        time_run = 0
        sleep_period = 5
        while status == 'Provisioning':
            if time_run + sleep_period > timeout_seconds:
                print('Timed out of waiting, status:%s.' % status, flush=True)
                break
            time_run += sleep_period
            time.sleep(sleep_period)
            status = self._schedule_provider.get_schedule_provisioning_status(self.id)
            print('Provisioning status:', status)
        if status == "Failed":
            print('Provisioning failed, please try again or contact support.')
        return status

If the provisioning fails, it is easy for the user to miss that. Also, there is no way the process can be safeguarded in production environments (e.g., stop the process if the schedule has not being properly provisioned). On top of this, when the provisioning fails, the schedule will still appear as Active (see also https://github.com/MicrosoftDocs/azure-docs/issues/77089).

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ID: bdf111d3-ff02-238f-68d9-5a36bb3bf75b
Version Independent ID: da555131-26d9-c768-d8d4-e46c485d2601
Content: azureml.pipeline.core.schedule.Schedule class - Azure Machine Learning Python
Content Source: AzureML-Docset/stable/docs-ref-autogen/azureml-pipeline-core/azureml.pipeline.core.schedule.Schedule.yml
Service: machine-learning
Sub-service: core
GitHub Login: @DebFro
Microsoft Alias: debfro

Azure / MachineLearningNotebooks

Raise exception when provisioning fails #1524

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