Class LocalEndpoint (1.50.0)

Version 1.50.0

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LocalEndpoint(
    serving_container_image_uri: str,
    artifact_uri: typing.Optional[str] = None,
    serving_container_predict_route: typing.Optional[str] = None,
    serving_container_health_route: typing.Optional[str] = None,
    serving_container_command: typing.Optional[typing.Sequence[str]] = None,
    serving_container_args: typing.Optional[typing.Sequence[str]] = None,
    serving_container_environment_variables: typing.Optional[
        typing.Dict[str, str]
    ] = None,
    serving_container_ports: typing.Optional[typing.Sequence[int]] = None,
    credential_path: typing.Optional[str] = None,
    host_port: typing.Optional[str] = None,
    gpu_count: typing.Optional[int] = None,
    gpu_device_ids: typing.Optional[typing.List[str]] = None,
    gpu_capabilities: typing.Optional[typing.List[typing.List[str]]] = None,
    container_ready_timeout: typing.Optional[int] = None,
    container_ready_check_interval: typing.Optional[int] = None,
)

Class that represents a local endpoint.

Methods

LocalEndpoint

LocalEndpoint(
    serving_container_image_uri: str,
    artifact_uri: typing.Optional[str] = None,
    serving_container_predict_route: typing.Optional[str] = None,
    serving_container_health_route: typing.Optional[str] = None,
    serving_container_command: typing.Optional[typing.Sequence[str]] = None,
    serving_container_args: typing.Optional[typing.Sequence[str]] = None,
    serving_container_environment_variables: typing.Optional[
        typing.Dict[str, str]
    ] = None,
    serving_container_ports: typing.Optional[typing.Sequence[int]] = None,
    credential_path: typing.Optional[str] = None,
    host_port: typing.Optional[str] = None,
    gpu_count: typing.Optional[int] = None,
    gpu_device_ids: typing.Optional[typing.List[str]] = None,
    gpu_capabilities: typing.Optional[typing.List[typing.List[str]]] = None,
    container_ready_timeout: typing.Optional[int] = None,
    container_ready_check_interval: typing.Optional[int] = None,
)

Creates a local endpoint instance.

Parameters
Name	Description
serving_container_image_uri	str Required. The URI of the Model serving container.
artifact_uri	str Optional. The path to the directory containing the Model artifact and any of its supporting files. The path is either a GCS uri or the path to a local directory. If this parameter is set to a GCS uri: (1) credential_path must be specified for local prediction. (2) The GCS uri will be passed directly to Predictor.load. If this parameter is a local directory: (1) The directory will be mounted to a default temporary model path. (2) The mounted path will be passed to Predictor.load.
serving_container_predict_route	str Optional. An HTTP path to send prediction requests to the container, and which must be supported by it. If not specified a default HTTP path will be used by Vertex AI.
serving_container_health_route	str Optional. An HTTP path to send health check requests to the container, and which must be supported by it. If not specified a standard HTTP path will be used by Vertex AI.
serving_container_command	Sequence[str] Optional. The command with which the container is run. Not executed within a shell. The Docker image's ENTRYPOINT is used if this is not provided. Variable references $(VAR_NAME) are expanded using the container's environment. If a variable cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded, regardless of whether the variable exists or not.
serving_container_args	typing.Optional[typing.Sequence[str]] (Sequence[str]): Optional. The arguments to the command. The Docker image's CMD is used if this is not provided. Variable references $(VAR_NAME) are expanded using the container's environment. If a variable cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded, regardless of whether the variable exists or not.
serving_container_environment_variables	Dict[str, str] Optional. The environment variables that are to be present in the container. Should be a dictionary where keys are environment variable names and values are environment variable values for those names.
serving_container_ports	Sequence[int] Optional. Declaration of ports that are exposed by the container. This field is primarily informational, it gives Vertex AI information about the network connections the container uses. Listing or not a port here has no impact on whether the port is actually exposed, any port listening on the default "0.0.0.0" address inside a container will be accessible from the network.
credential_path	str Optional. The path to the credential key that will be mounted to the container. If it's unset, the environment variable, GOOGLE_APPLICATION_CREDENTIALS, will be used if set.
host_port	str Optional. The port on the host that the port, AIP_HTTP_PORT, inside the container will be exposed as. If it's unset, a random host port will be assigned.
gpu_count	int Optional. Number of devices to request. Set to -1 to request all available devices. To use GPU, set either gpu_count or gpu_device_ids. The default value is -1 if gpu_capabilities is set but both gpu_count and gpu_device_ids are not set.
gpu_device_ids	List[str] Optional. This parameter corresponds to NVIDIA_VISIBLE_DEVICES in the NVIDIA Runtime. To use GPU, set either gpu_count or gpu_device_ids.
gpu_capabilities	List[List[str]] Optional. This parameter corresponds to NVIDIA_DRIVER_CAPABILITIES in the NVIDIA Runtime. The outer list acts like an OR, and each sub-list acts like an AND. The driver will try to satisfy one of the sub-lists. Available capabilities for the NVIDIA driver can be found in https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/user-guide.html#driver-capabilities. The default value is [["utility", "compute"]] if gpu_count or gpu_device_ids is set.
container_ready_timeout	int Optional. The timeout in second used for starting the container or succeeding the first health check.
container_ready_check_interval	int Optional. The time interval in second to check if the container is ready or the first health check succeeds.

Exceptions
Type	Description
ValueError	If both gpu_count and gpu_device_ids are set.

__del__

__del__()

Stops the container when the instance is about to be destroyed.

__enter__

__enter__()

Enters the runtime context related to this object.

__exit__

__exit__(exc_type, exc_value, exc_traceback)

Exits the runtime context related to this object.

get_container_status

get_container_status() -> str

Gets the container status.

predict

predict(
    request: typing.Optional[typing.Any] = None,
    request_file: typing.Optional[str] = None,
    headers: typing.Optional[typing.Dict] = None,
    verbose: bool = True,
) -> requests.models.Response

Executes a prediction.

Parameters
Name	Description
request	Any Optional. The request sent to the container.
request_file	str Optional. The path to a request file sent to the container.
headers	Dict Optional. The headers in the prediction request.
verbose	bool Required. Whether or not print logs if any.

Exceptions
Type	Description
RuntimeError	If the local endpoint has been stopped.
ValueError	If both request and request_file are specified, both request and request_file are not provided, or request_file is specified but does not exist.
requests.exception.RequestException	If the request fails with an exception.

print_container_logs

print_container_logs(
    show_all: bool = False, message: typing.Optional[str] = None
) -> None

Prints container logs.

Parameters
Name	Description
show_all	bool Required. If True, prints all logs since the container starts.
message	str Optional. The message to be printed before printing the logs.

print_container_logs_if_container_is_not_running

print_container_logs_if_container_is_not_running(
    show_all: bool = False, message: typing.Optional[str] = None
) -> None

Prints container logs if the container is not in "running" status.

Parameters
Name	Description
show_all	bool Required. If True, prints all logs since the container starts.
message	str Optional. The message to be printed before printing the logs.

run_health_check

run_health_check(verbose: bool = True) -> requests.models.Response

Runs a health check.

Parameter
Name	Description
verbose	bool Required. Whether or not print logs if any.

Exceptions
Type	Description
RuntimeError	If the local endpoint has been stopped.
requests.exception.RequestException	If the request fails with an exception.

serve

serve()

Starts running the container and serves the traffic locally.

An environment variable, GOOGLE_CLOUD_PROJECT, will be set to the project in the global config. This is required if the credentials file does not have project specified and used to recognize the project by the Cloud Storage client.

Exceptions
Type	Description
DockerError	If the container is not ready or health checks do not succeed after the timeout.

stop

stop() -> None

Explicitly stops the container.