def main():
parser = argparse.ArgumentParser()
parser.add_argument('--data_dir', default='data/')
args = parser.parse_args()
data_dir = Path(args.data_dir)
if not data_dir.exists():
(x_train, y_train), (x_test, y_test) = mnist.load_data()
data_dir.mkdir()
np.savez(str(data_dir / 'train'), image=x_train, label=y_train)
np.savez(str(data_dir / 'test'), image=x_test, label=y_test)
session = Session()
s3_bucket_name = os.getenv('S3_BUCKET_NAME', session.default_bucket())
session.upload_data(path=str(data_dir),
bucket=s3_bucket_name,
key_prefix='dataset/mnist')
def main():
session = Session()
s3_bucket_name = os.getenv('S3_BUCKET_NAME', session.default_bucket())
parser = argparse.ArgumentParser()
parser.add_argument('--batch_size', type=int, default=32)
parser.add_argument('--epochs', type=int, default=10)
parser.add_argument('--role', default=os.environ['SAGEMAKER_ROLE'])
parser.add_argument('--input_data',
default=f's3://{s3_bucket_name}/dataset/mnist')
parser.add_argument('--output_path',
default=f's3://{s3_bucket_name}/training')
parser.add_argument('--train_instance_type', default='ml.m5.large')
parser.add_argument('--wait', action='store_true')
# parser.add_argument('--deploy', action='store_true')
args = parser.parse_args()
input_data = {'dataset': args.input_data}
job_name = 'mnist-' + dt.now().strftime('%Y-%m-%d-%H-%M')
hyperparameters = {'batch_size': args.batch_size, 'epochs': args.epochs}
metric_definitions = [
{
'Name': 'train loss',
'Regex': r'loss: (\S+)'
},
{
'Name': 'valid loss',
'Regex': r'val_loss: (\S+)'
},
]
estimator = TensorFlow(entry_point='train.py',
source_dir='src',
role=args.role,
train_instance_count=1,
train_instance_type=args.train_instance_type,
train_volume_size=30,
train_max_run=86400,
output_path=args.output_path,
code_location=args.output_path,
py_version='py3',
framework_version='1.12.0',
hyperparameters=hyperparameters,
metric_definitions=metric_definitions)
estimator.fit(input_data, wait=args.wait, job_name=job_name)
class SageMakerKMeansBatchPredictorIT(ConnectableComponent):
def __init__(self, engine):
super(SageMakerKMeansBatchPredictorIT, self).__init__(engine)
self._dataset_s3_url = None
self._bucket_name = None
self._local_model_filepath = None
self._model_s3_filepath = None
self._results_s3_location = None
self._model_name = None
self._job_name = None
self._instance_type = None
self._instance_count = None
self._sagemaker_session = Session()
self._sagemaker_client = boto3.client('sagemaker')
self._aws_helper = AwsHelper(self._logger)
self._job_monitor = None
def _materialize(self, parent_data_objs, user_data):
if not parent_data_objs:
raise MLCompException(
"Missing expected dataset S3 url from parent input!")
if not self._init_params(parent_data_objs):
return
self._upload_model_to_s3()
self._create_model()
self._create_transformation_job()
self._monitor_job()
return [self._predictions_s3_url()]
def _init_params(self, parent_data_objs):
self._dataset_s3_url = parent_data_objs[0]
self._local_model_filepath = self._params['local_model_filepath']
if not self._local_model_filepath or not os.path.isfile(
self._local_model_filepath):
self._logger.info("Input model is empty! Skip prediction!")
return False
self._bucket_name = self._params.get('bucket_name')
if not self._bucket_name:
self._bucket_name = self._sagemaker_session.default_bucket()
self._model_s3_filepath = self._params.get('model_s3_filepath')
self._results_s3_location = self._params.get('results_s3_location')
if not self._results_s3_location:
bucket_name, input_rltv_path = AwsHelper.s3_url_parse(
self._dataset_s3_url)
self._results_s3_location = "s3://{}/prediction/results".format(
bucket_name)
self._skip_s3_model_uploading = str2bool(
self._params.get('skip_s3_model_uploading'))
self._instance_type = self._params.get('instance_type', 'ml.m4.xlarge')
self._instance_count = self._params.get('instance_count', 1)
return True
def _upload_model_to_s3(self):
self._model_s3_filepath = self._aws_helper.upload_file(
self._local_model_filepath, self._bucket_name,
self._model_s3_filepath, self._skip_s3_model_uploading)
def _create_model(self):
self._model_name = "Kmeans-model-{}".format(
strftime("%Y-%m-%d-%H-%M-%S", gmtime()))
self._logger.info("Creating SageMaker KMeans model ... {}".format(
self._model_name))
primary_container = {
'Image':
get_image_uri(self._sagemaker_session.boto_region_name, 'kmeans'),
'ModelDataUrl':
self._model_s3_filepath
}
create_model_response = self._sagemaker_client.create_model(
ModelName=self._model_name,
ExecutionRoleArn=self._ml_engine.iam_role,
PrimaryContainer=primary_container)
model_arn = create_model_response['ModelArn']
self._logger.info(
"Model created successfully! name: {}, arn: {}".format(
self._model_name, model_arn))
def _create_transformation_job(self):
self._job_name = 'kmeans-batch-prediction-' + strftime(
"%Y-%m-%d-%H-%M-%S", gmtime())
self._logger.info(
"Setup transform job, job-name: {}, input-dataset: {}, output-path-root:{}"
.format(self._job_name, self._dataset_s3_url,
self._results_s3_location))
request = {
"TransformJobName": self._job_name,
"ModelName": self._model_name,
"MaxConcurrentTransforms": 4,
"MaxPayloadInMB": 6,
"BatchStrategy": "MultiRecord",
"TransformOutput": {
"S3OutputPath": self._results_s3_location
},
"TransformInput": {
"DataSource": {
"S3DataSource": {
"S3DataType": "S3Prefix",
"S3Uri": self._dataset_s3_url
}
},
"ContentType": "text/csv;label_size=0",
"SplitType": "Line",
"CompressionType": "None"
},
"TransformResources": {
"InstanceType": self._instance_type,
"InstanceCount": self._instance_count
}
}
self._sagemaker_client.create_transform_job(**request)
self._logger.info("Created transform job with name: {}".format(
self._job_name))
def _monitor_job(self):
JobMonitorTransformer(self._sagemaker_client, self._job_name,
self._logger).monitor()
def _predictions_s3_url(self):
_, input_rltv_path = AwsHelper.s3_url_parse(self._dataset_s3_url)
predictions_s3_url = "{}/{}.out".format(self._results_s3_location,
input_rltv_path)
return predictions_s3_url
class Sagemaker:
"""
Class to provide AWS specific execution of the models.
In the future, we can make a superclass that defines the basic methods (such as
uploading data to the right folder/location, loading models etc).
For now, we will only have AWS.
This will be very similar to default session objects.
"""
training_instance_count = 1
training_instance_type = "ml.m4.xlarge"
transformer_instance_count = 1
transformer_instance_type = "ml.c4.xlarge"
deploy_instance_count = 1
deploy_instance_type = "ml.c4.xlarge"
def __init__(
self,
bucket: Optional[str] = None,
role: Optional[str] = None,
prefix: Optional[str] = None,
default_model_kwargs: Optional[Dict] = None,
default_transfomer_kwargs: Optional[Dict] = None,
default_deploy_kwargs: Optional[Dict] = None,
) -> None:
"""
Initializes the AWS object
Arguments:
bucket: The bucket name. Defaulted to the session default bucket
role: The role name to assume. Default is getting from AWS_DEFAULT_ROLE of the env variables
prefix: The prefix to use in the bucket. Defaulted to 'data'
default_model_kwargs: Dict for default kwargs for any sagemaker model.
Default contains train_instance_type, train_instance_count, role and session
default_transformer_kwargs: Dict for default kwargs for any sagemaker transformer.
Default contains instance_type, instance_count, and role.
default_deploy_kwargs: Dict for default kwargs for any sagemaker deployment.
Default contains instance_type and initial_instance_count.
"""
LOGGER.info("Initializing Sagemaker executor")
self.boto_session = BotoSession(
aws_access_key_id=os.environ.get("AWS_ACCESS_KEY_ID"),
aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY"),
region_name="eu-west-1",
)
self.region = self.boto_session.region_name
self.session = Session(boto_session=self.boto_session)
self.role = role if role is not None else os.environ.get(
"AWS_DEFAULT_ROLE")
self.bucket = bucket if bucket is not None else self.session.default_bucket(
)
self.prefix = prefix if prefix is not None else "data"
self.default_model_kwargs = self._default_model_kwargs(
self.role, self.session, default_model_kwargs)
self.default_transformer_kwargs = self._default_transformer_kwargs(
self.role, self.session, default_transfomer_kwargs)
self.default_deploy_kwargs = self._default_deploy_kwargs(
self.role, self.session, default_deploy_kwargs)
def _default_model_kwargs(self, role, session, input_default) -> Dict:
initial = {
"role": role,
"sagemaker_session": session,
"train_instance_count": self.training_instance_count,
"train_instance_type": self.training_instance_type,
}
if input_default is not None:
initial.update(input_default)
return initial
def _default_transformer_kwargs(self, role, session,
input_default) -> Dict:
initial = {
"role": role,
"instance_count": self.transformer_instance_count,
"instance_type": self.transformer_instance_type,
}
if input_default is not None:
initial.update(input_default)
return initial
def _default_deploy_kwargs(self, role, session, input_default) -> Dict:
initial = {
"initial_instance_count": self.deploy_instance_count,
"instance_type": self.deploy_instance_type,
}
if input_default is not None:
initial.update(input_default)
return initial
def upload_data(
self,
local_data_file: str,
bucket: Optional[str] = None,
prefix: Optional[str] = None,
) -> str:
"""
Uploads the data from the local data file to S3. Returns the location
Argument:
local_data_file: the location of the data
bucket: The bucket to upload to. Defaulted to the own default bucket
prefix: The prefix to use to upload to. Defaulted to the own default bucket
Returns:
The s3 data location
"""
if bucket is None:
bucket = self.bucket
if prefix is None:
prefix = self.prefix
LOGGER.info("Uploading data to S3")
return self.session.upload_data(local_data_file,
bucket=bucket,
key_prefix=prefix)
def download_data(
self,
file_name: str,
local_file_directory: str,
bucket: Optional[str] = None,
prefix: Optional[str] = None,
) -> str:
"""
Downloads the S3 data and stores it to the local file location.
Arguments:
file_name: the name of the file
local_file_directory: the directory to store the data to
bucket: The bucket to upload to. Defaulted to the own default bucket
prefix: The prefix to use to upload to. Defaulted to the own default bucket
Returns:
The local file location.
"""
s3_client = self.boto_session.client("s3")
if prefix is None:
prefix = self.prefix
key = f"{prefix}/{file_name}"
local_file_name = os.path.join(local_file_directory, file_name)
LOGGER.info(
f"Downloading data from s3: from s3://{self.bucket}/{key} to {local_file_name}"
)
if not os.path.exists(local_file_directory):
os.makedirs(local_file_directory)
s3_client.download_file(Bucket=self.bucket,
Key=key,
Filename=local_file_name)
return local_file_name