extworker

package

v0.0.0-...-498d591 Latest Latest Go to latest Published: Nov 11, 2023 License: Unlicense Imports: 11 Imported by: 0

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Package extworker provides an external worker service and related utilities.

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This section is empty.

func ProvisionInfo(ctx context.Context, endpoint string) (*fnpb.ProvisionInfo, error)

ProvisionInfo returns the runtime provisioning info for the worker.

func WriteWorkerID(ctx context.Context, id string) context.Context

WriteWorkerID write the worker ID to an outgoing gRPC request context. It merges the information with any existing gRPC metadata.

type Loopback struct {
	fnpb.UnimplementedBeamFnExternalWorkerPoolServer
	// contains filtered or unexported fields
}

Loopback implements fnpb.BeamFnExternalWorkerPoolServer

func StartLoopback(ctx context.Context, port int, exec harness.ExecFunc) (*Loopback, error)

StartLoopback initializes a Loopback ExternalWorkerService, at the given port.

func (s *Loopback) EnvironmentConfig(context.Context) string

EnvironmentConfig returns the environment config for this service instance.

func (s *Loopback) StartWorker(ctx context.Context, req *fnpb.StartWorkerRequest) (*fnpb.StartWorkerResponse, error)

StartWorker initializes a new worker harness, implementing BeamFnExternalWorkerPoolServer.StartWorker.

func (s *Loopback) Stop(ctx context.Context) error

Stop terminates the service and stops all workers.

func (s *Loopback) StopWorker(ctx context.Context, req *fnpb.StopWorkerRequest) (*fnpb.StopWorkerResponse, error)

StopWorker terminates a worker harness, implementing BeamFnExternalWorkerPoolServer.StopWorker.