Source code for airflow.contrib.operators.gcp_transfer_operator

# -*- coding: utf-8 -*-
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from copy import deepcopy
from datetime import date, time

from airflow import AirflowException
from airflow.contrib.hooks.gcp_transfer_hook import (
    GCPTransferServiceHook,
    GcpTransferJobsStatus,
    TRANSFER_OPTIONS,
    OBJECT_CONDITIONS,
    PROJECT_ID,
    BUCKET_NAME,
    GCS_DATA_SINK,
    STATUS,
    DESCRIPTION,
    GCS_DATA_SOURCE,
    HTTP_DATA_SOURCE,
    SECONDS,
    MINUTES,
    HOURS,
    YEAR,
    MONTH,
    DAY,
    START_TIME_OF_DAY,
    SCHEDULE_END_DATE,
    SCHEDULE_START_DATE,
    SCHEDULE,
    SECRET_ACCESS_KEY,
    ACCESS_KEY_ID,
    AWS_ACCESS_KEY,
    AWS_S3_DATA_SOURCE,
    TRANSFER_SPEC,
)
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults

try:
    from airflow.contrib.hooks.aws_hook import AwsHook
except ImportError:  # pragma: no cover
[docs] AwsHook = None # type: ignore
[docs]class TransferJobPreprocessor: def __init__(self, body, aws_conn_id='aws_default', default_schedule=False): self.body = body self.aws_conn_id = aws_conn_id self.default_schedule = default_schedule
[docs] def _inject_aws_credentials(self): if TRANSFER_SPEC not in self.body or AWS_S3_DATA_SOURCE not in self.body[TRANSFER_SPEC]: return aws_hook = AwsHook(self.aws_conn_id) aws_credentials = aws_hook.get_credentials() aws_access_key_id = aws_credentials.access_key aws_secret_access_key = aws_credentials.secret_key self.body[TRANSFER_SPEC][AWS_S3_DATA_SOURCE][AWS_ACCESS_KEY] = { ACCESS_KEY_ID: aws_access_key_id, SECRET_ACCESS_KEY: aws_secret_access_key,
}
[docs] def _reformat_date(self, field_key): schedule = self.body[SCHEDULE] if field_key not in schedule: return if isinstance(schedule[field_key], date): schedule[field_key] = self._convert_date_to_dict(schedule[field_key])
[docs] def _reformat_time(self, field_key): schedule = self.body[SCHEDULE] if field_key not in schedule: return if isinstance(schedule[field_key], time): schedule[field_key] = self._convert_time_to_dict(schedule[field_key])
[docs] def _reformat_schedule(self): if SCHEDULE not in self.body: if self.default_schedule: self.body[SCHEDULE] = { SCHEDULE_START_DATE: date.today(), SCHEDULE_END_DATE: date.today() } else: return self._reformat_date(SCHEDULE_START_DATE) self._reformat_date(SCHEDULE_END_DATE) self._reformat_time(START_TIME_OF_DAY)
[docs] def process_body(self): self._inject_aws_credentials() self._reformat_schedule() return self.body
@staticmethod
[docs] def _convert_date_to_dict(field_date): """ Convert native python ``datetime.date`` object to a format supported by the API """ return {DAY: field_date.day, MONTH: field_date.month, YEAR: field_date.year}
@staticmethod
[docs] def _convert_time_to_dict(time): """ Convert native python ``datetime.time`` object to a format supported by the API """ return {HOURS: time.hour, MINUTES: time.minute, SECONDS: time.second}
[docs]class TransferJobValidator: def __init__(self, body): self.body = body
[docs] def _verify_data_source(self): is_gcs = GCS_DATA_SOURCE in self.body[TRANSFER_SPEC] is_aws_s3 = AWS_S3_DATA_SOURCE in self.body[TRANSFER_SPEC] is_http = HTTP_DATA_SOURCE in self.body[TRANSFER_SPEC] sources_count = sum([is_gcs, is_aws_s3, is_http]) if sources_count != 0 and sources_count != 1: raise AirflowException( "More than one data source detected. Please choose exactly one data source from: "
"gcsDataSource, awsS3DataSource and httpDataSource." )
[docs] def _restrict_aws_credentials(self): if AWS_S3_DATA_SOURCE not in self.body[TRANSFER_SPEC]: return if AWS_ACCESS_KEY in self.body[TRANSFER_SPEC][AWS_S3_DATA_SOURCE]: raise AirflowException( "AWS credentials detected inside the body parameter (awsAccessKey). This is not allowed, "
"please use Airflow connections to store credentials." )
[docs] def _restrict_empty_body(self): if not self.body: raise AirflowException("The required parameter 'body' is empty or None")
[docs] def validate_body(self): self._restrict_empty_body() if TRANSFER_SPEC not in self.body: return self._restrict_aws_credentials() self._verify_data_source()
[docs]class GcpTransferServiceJobCreateOperator(BaseOperator): """ Creates a transfer job that runs periodically. .. warning:: This operator is NOT idempotent. If you run it many times, many transfer jobs will be created in the Google Cloud Platform. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceJobCreateOperator` :param body: (Required) The request body, as described in https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs/create#request-body With three additional improvements: * dates can be given in the form :class:`datetime.date` * times can be given in the form :class:`datetime.time` * credentials to Amazon Web Service should be stored in the connection and indicated by the aws_conn_id parameter :type body: dict :param aws_conn_id: The connection ID used to retrieve credentials to Amazon Web Service. :type aws_conn_id: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_job_create_template_fields]
[docs] template_fields = ('body', 'gcp_conn_id', 'aws_conn_id')
# [END gcp_transfer_job_create_template_fields] @apply_defaults def __init__( self, body, aws_conn_id='aws_default', gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs ): super(GcpTransferServiceJobCreateOperator, self).__init__(*args, **kwargs) self.body = deepcopy(body) self.aws_conn_id = aws_conn_id self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs()
[docs] def _validate_inputs(self): TransferJobValidator(body=self.body).validate_body()
[docs] def execute(self, context): TransferJobPreprocessor(body=self.body, aws_conn_id=self.aws_conn_id).process_body() hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) return hook.create_transfer_job(body=self.body)
[docs]class GcpTransferServiceJobUpdateOperator(BaseOperator): """ Updates a transfer job that runs periodically. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceJobUpdateOperator` :param job_name: (Required) Name of the job to be updated :type job_name: str :param body: (Required) The request body, as described in https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs/patch#request-body With three additional improvements: * dates can be given in the form :class:`datetime.date` * times can be given in the form :class:`datetime.time` * credentials to Amazon Web Service should be stored in the connection and indicated by the aws_conn_id parameter :type body: dict :param aws_conn_id: The connection ID used to retrieve credentials to Amazon Web Service. :type aws_conn_id: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_job_update_template_fields]
[docs] template_fields = ('job_name', 'body', 'gcp_conn_id', 'aws_conn_id')
# [END gcp_transfer_job_update_template_fields] @apply_defaults def __init__( self, job_name, body, aws_conn_id='aws_default', gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs ): super(GcpTransferServiceJobUpdateOperator, self).__init__(*args, **kwargs) self.job_name = job_name self.body = body self.gcp_conn_id = gcp_conn_id self.api_version = api_version self.aws_conn_id = aws_conn_id self._validate_inputs()
[docs] def _validate_inputs(self): TransferJobValidator(body=self.body).validate_body() if not self.job_name: raise AirflowException("The required parameter 'job_name' is empty or None")
[docs] def execute(self, context): TransferJobPreprocessor(body=self.body, aws_conn_id=self.aws_conn_id).process_body() hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) return hook.update_transfer_job(job_name=self.job_name, body=self.body)
[docs]class GcpTransferServiceJobDeleteOperator(BaseOperator): """ Delete a transfer job. This is a soft delete. After a transfer job is deleted, the job and all the transfer executions are subject to garbage collection. Transfer jobs become eligible for garbage collection 30 days after soft delete. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceJobDeleteOperator` :param job_name: (Required) Name of the TRANSFER operation :type job_name: str :param project_id: (Optional) the ID of the project that owns the Transfer Job. If set to None or missing, the default project_id from the GCP connection is used. :type project_id: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_job_delete_template_fields]
[docs] template_fields = ('job_name', 'project_id', 'gcp_conn_id', 'api_version')
# [END gcp_transfer_job_delete_template_fields] @apply_defaults def __init__( self, job_name, gcp_conn_id='google_cloud_default', api_version='v1', project_id=None, *args, **kwargs ): super(GcpTransferServiceJobDeleteOperator, self).__init__(*args, **kwargs) self.job_name = job_name self.project_id = project_id self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs()
[docs] def _validate_inputs(self): if not self.job_name: raise AirflowException("The required parameter 'job_name' is empty or None")
[docs] def execute(self, context): self._validate_inputs() hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) hook.delete_transfer_job(job_name=self.job_name, project_id=self.project_id)
[docs]class GcpTransferServiceOperationGetOperator(BaseOperator): """ Gets the latest state of a long-running operation in Google Storage Transfer Service. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceOperationGetOperator` :param operation_name: (Required) Name of the transfer operation. :type operation_name: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_operation_get_template_fields]
[docs] template_fields = ('operation_name', 'gcp_conn_id')
# [END gcp_transfer_operation_get_template_fields] @apply_defaults def __init__(self, operation_name, gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs): super(GcpTransferServiceOperationGetOperator, self).__init__(*args, **kwargs) self.operation_name = operation_name self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs()
[docs] def _validate_inputs(self): if not self.operation_name: raise AirflowException("The required parameter 'operation_name' is empty or None")
[docs] def execute(self, context): hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) operation = hook.get_transfer_operation(operation_name=self.operation_name) return operation
[docs]class GcpTransferServiceOperationsListOperator(BaseOperator): """ Lists long-running operations in Google Storage Transfer Service that match the specified filter. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceOperationsListOperator` :param filter: (Required) A request filter, as described in https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs/list#body.QUERY_PARAMETERS.filter :type filter: dict :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_operations_list_template_fields]
[docs] template_fields = ('filter', 'gcp_conn_id')
# [END gcp_transfer_operations_list_template_fields] def __init__(self, filter, gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs): super(GcpTransferServiceOperationsListOperator, self).__init__(*args, **kwargs) self.filter = filter self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs()
[docs] def _validate_inputs(self): if not self.filter: raise AirflowException("The required parameter 'filter' is empty or None")
[docs] def execute(self, context): hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) operations_list = hook.list_transfer_operations(filter=self.filter) self.log.info(operations_list) return operations_list
[docs]class GcpTransferServiceOperationPauseOperator(BaseOperator): """ Pauses a transfer operation in Google Storage Transfer Service. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceOperationPauseOperator` :param operation_name: (Required) Name of the transfer operation. :type operation_name: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str :param api_version: API version used (e.g. v1). :type api_version: str """ # [START gcp_transfer_operation_pause_template_fields]
[docs] template_fields = ('operation_name', 'gcp_conn_id', 'api_version')
# [END gcp_transfer_operation_pause_template_fields] @apply_defaults def __init__(self, operation_name, gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs): super(GcpTransferServiceOperationPauseOperator, self).__init__(*args, **kwargs) self.operation_name = operation_name self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs()
[docs] def _validate_inputs(self): if not self.operation_name: raise AirflowException("The required parameter 'operation_name' is empty or None")
[docs] def execute(self, context): hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) hook.pause_transfer_operation(operation_name=self.operation_name)
[docs]class GcpTransferServiceOperationResumeOperator(BaseOperator): """ Resumes a transfer operation in Google Storage Transfer Service. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceOperationResumeOperator` :param operation_name: (Required) Name of the transfer operation. :type operation_name: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :param api_version: API version used (e.g. v1). :type api_version: str :type gcp_conn_id: str """ # [START gcp_transfer_operation_resume_template_fields]
[docs] template_fields = ('operation_name', 'gcp_conn_id', 'api_version')
# [END gcp_transfer_operation_resume_template_fields] @apply_defaults def __init__(self, operation_name, gcp_conn_id='google_cloud_default', api_version='v1', *args, **kwargs): self.operation_name = operation_name self.gcp_conn_id = gcp_conn_id self.api_version = api_version self._validate_inputs() super(GcpTransferServiceOperationResumeOperator, self).__init__(*args, **kwargs)
[docs] def _validate_inputs(self): if not self.operation_name: raise AirflowException("The required parameter 'operation_name' is empty or None")
[docs] def execute(self, context): hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) hook.resume_transfer_operation(operation_name=self.operation_name)
[docs]class GcpTransferServiceOperationCancelOperator(BaseOperator): """ Cancels a transfer operation in Google Storage Transfer Service. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:GcpTransferServiceOperationCancelOperator` :param operation_name: (Required) Name of the transfer operation. :type operation_name: str :param api_version: API version used (e.g. v1). :type api_version: str :param gcp_conn_id: The connection ID used to connect to Google Cloud Platform. :type gcp_conn_id: str """ # [START gcp_transfer_operation_cancel_template_fields]
[docs] template_fields = ('operation_name', 'gcp_conn_id', 'api_version')
# [END gcp_transfer_operation_cancel_template_fields] @apply_defaults def __init__(self, operation_name, api_version='v1', gcp_conn_id='google_cloud_default', *args, **kwargs): super(GcpTransferServiceOperationCancelOperator, self).__init__(*args, **kwargs) self.operation_name = operation_name self.api_version = api_version self.gcp_conn_id = gcp_conn_id self._validate_inputs()
[docs] def _validate_inputs(self): if not self.operation_name: raise AirflowException("The required parameter 'operation_name' is empty or None")
[docs] def execute(self, context): hook = GCPTransferServiceHook(api_version=self.api_version, gcp_conn_id=self.gcp_conn_id) hook.cancel_transfer_operation(operation_name=self.operation_name)
[docs]class S3ToGoogleCloudStorageTransferOperator(BaseOperator): """ Synchronizes an S3 bucket with a Google Cloud Storage bucket using the GCP Storage Transfer Service. .. warning:: This operator is NOT idempotent. If you run it many times, many transfer jobs will be created in the Google Cloud Platform. **Example**: .. code-block:: python s3_to_gcs_transfer_op = S3ToGoogleCloudStorageTransferOperator( task_id='s3_to_gcs_transfer_example', s3_bucket='my-s3-bucket', project_id='my-gcp-project', gcs_bucket='my-gcs-bucket', dag=my_dag) :param s3_bucket: The S3 bucket where to find the objects. (templated) :type s3_bucket: str :param gcs_bucket: The destination Google Cloud Storage bucket where you want to store the files. (templated) :type gcs_bucket: str :param project_id: Optional ID of the Google Cloud Platform Console project that owns the job :type project_id: str :param aws_conn_id: The source S3 connection :type aws_conn_id: str :param gcp_conn_id: The destination connection ID to use when connecting to Google Cloud Storage. :type gcp_conn_id: str :param delegate_to: The account to impersonate, if any. For this to work, the service account making the request must have domain-wide delegation enabled. :type delegate_to: str :param description: Optional transfer service job description :type description: str :param schedule: Optional transfer service schedule; If not set, run transfer job once as soon as the operator runs The format is described https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs. With two additional improvements: * dates they can be passed as :class:`datetime.date` * times they can be passed as :class:`datetime.time` :type schedule: dict :param object_conditions: Optional transfer service object conditions; see https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec :type object_conditions: dict :param transfer_options: Optional transfer service transfer options; see https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec :type transfer_options: dict :param wait: Wait for transfer to finish :type wait: bool :param timeout: Time to wait for the operation to end in seconds :type timeout: int """
[docs] template_fields = ('gcp_conn_id', 's3_bucket', 'gcs_bucket', 'description', 'object_conditions')
[docs] ui_color = '#e09411'
@apply_defaults def __init__( self, s3_bucket, gcs_bucket, project_id=None, aws_conn_id='aws_default', gcp_conn_id='google_cloud_default', delegate_to=None, description=None, schedule=None, object_conditions=None, transfer_options=None, wait=True, timeout=None, *args, **kwargs ): super(S3ToGoogleCloudStorageTransferOperator, self).__init__(*args, **kwargs) self.s3_bucket = s3_bucket self.gcs_bucket = gcs_bucket self.project_id = project_id self.aws_conn_id = aws_conn_id self.gcp_conn_id = gcp_conn_id self.delegate_to = delegate_to self.description = description self.schedule = schedule self.object_conditions = object_conditions self.transfer_options = transfer_options self.wait = wait self.timeout = timeout
[docs] def execute(self, context): hook = GCPTransferServiceHook(gcp_conn_id=self.gcp_conn_id, delegate_to=self.delegate_to) body = self._create_body() TransferJobPreprocessor(body=body, aws_conn_id=self.aws_conn_id, default_schedule=True).process_body() job = hook.create_transfer_job(body=body) if self.wait: hook.wait_for_transfer_job(job, timeout=self.timeout)
[docs] def _create_body(self): body = { DESCRIPTION: self.description, STATUS: GcpTransferJobsStatus.ENABLED, TRANSFER_SPEC: { AWS_S3_DATA_SOURCE: {BUCKET_NAME: self.s3_bucket}, GCS_DATA_SINK: {BUCKET_NAME: self.gcs_bucket}, }, } if self.project_id is not None: body[PROJECT_ID] = self.project_id if self.schedule is not None: body[SCHEDULE] = self.schedule if self.object_conditions is not None: body[TRANSFER_SPEC][OBJECT_CONDITIONS] = self.object_conditions if self.transfer_options is not None: body[TRANSFER_SPEC][TRANSFER_OPTIONS] = self.transfer_options return body
[docs]class GoogleCloudStorageToGoogleCloudStorageTransferOperator(BaseOperator): """ Copies objects from a bucket to another using the GCP Storage Transfer Service. .. warning:: This operator is NOT idempotent. If you run it many times, many transfer jobs will be created in the Google Cloud Platform. **Example**: .. code-block:: python gcs_to_gcs_transfer_op = GoogleCloudStorageToGoogleCloudStorageTransferOperator( task_id='gcs_to_gcs_transfer_example', source_bucket='my-source-bucket', destination_bucket='my-destination-bucket', project_id='my-gcp-project', dag=my_dag) :param source_bucket: The source Google cloud storage bucket where the object is. (templated) :type source_bucket: str :param destination_bucket: The destination Google cloud storage bucket where the object should be. (templated) :type destination_bucket: str :param project_id: The ID of the Google Cloud Platform Console project that owns the job :type project_id: str :param gcp_conn_id: Optional connection ID to use when connecting to Google Cloud Storage. :type gcp_conn_id: str :param delegate_to: The account to impersonate, if any. For this to work, the service account making the request must have domain-wide delegation enabled. :type delegate_to: str :param description: Optional transfer service job description :type description: str :param schedule: Optional transfer service schedule; If not set, run transfer job once as soon as the operator runs See: https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs. With two additional improvements: * dates they can be passed as :class:`datetime.date` * times they can be passed as :class:`datetime.time` :type schedule: dict :param object_conditions: Optional transfer service object conditions; see https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec#ObjectConditions :type object_conditions: dict :param transfer_options: Optional transfer service transfer options; see https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec#TransferOptions :type transfer_options: dict :param wait: Wait for transfer to finish; defaults to `True` :type wait: bool :param timeout: Time to wait for the operation to end in seconds :type timeout: int """
[docs] template_fields = ( 'gcp_conn_id', 'source_bucket', 'destination_bucket', 'description', 'object_conditions',
)
[docs] ui_color = '#e09411'
@apply_defaults def __init__( self, source_bucket, destination_bucket, project_id=None, gcp_conn_id='google_cloud_default', delegate_to=None, description=None, schedule=None, object_conditions=None, transfer_options=None, wait=True, timeout=None, *args, **kwargs ): super(GoogleCloudStorageToGoogleCloudStorageTransferOperator, self).__init__(*args, **kwargs) self.source_bucket = source_bucket self.destination_bucket = destination_bucket self.project_id = project_id self.gcp_conn_id = gcp_conn_id self.delegate_to = delegate_to self.description = description self.schedule = schedule self.object_conditions = object_conditions self.transfer_options = transfer_options self.wait = wait self.timeout = timeout
[docs] def execute(self, context): hook = GCPTransferServiceHook(gcp_conn_id=self.gcp_conn_id, delegate_to=self.delegate_to) body = self._create_body() TransferJobPreprocessor(body=body, default_schedule=True).process_body() job = hook.create_transfer_job(body=body) if self.wait: hook.wait_for_transfer_job(job, timeout=self.timeout)
[docs] def _create_body(self): body = { DESCRIPTION: self.description, STATUS: GcpTransferJobsStatus.ENABLED, TRANSFER_SPEC: { GCS_DATA_SOURCE: {BUCKET_NAME: self.source_bucket}, GCS_DATA_SINK: {BUCKET_NAME: self.destination_bucket}, }, } if self.project_id is not None: body[PROJECT_ID] = self.project_id if self.schedule is not None: body[SCHEDULE] = self.schedule if self.object_conditions is not None: body[TRANSFER_SPEC][OBJECT_CONDITIONS] = self.object_conditions if self.transfer_options is not None: body[TRANSFER_SPEC][TRANSFER_OPTIONS] = self.transfer_options return body

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