sdk

package
v0.1.1 Latest Latest
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Published: Feb 22, 2026 License: MIT Imports: 14 Imported by: 0

Documentation

Overview

Package sdk provides the public API for building external workflow plugins. Plugin authors implement the interfaces defined here and call Serve() to run.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Serve

func Serve(provider PluginProvider)

Serve is the entry point for plugin authors. It starts the gRPC plugin server and blocks until the host process terminates the connection.

If provider implements UIProvider, Serve writes a "ui.json" file to the current working directory (if one does not already exist). Plugin authors can also maintain "ui.json" manually without implementing UIProvider.

Usage:

func main() {
    sdk.Serve(&myPlugin{})
}

Types

type ModuleInstance

type ModuleInstance interface {
	Init() error
	Start(ctx context.Context) error
	Stop(ctx context.Context) error
}

ModuleInstance is a remote module's lifecycle.

type ModuleProvider

type ModuleProvider interface {
	// ModuleTypes returns the module type names this plugin provides.
	ModuleTypes() []string
	// CreateModule creates a module instance of the given type.
	CreateModule(typeName, name string, config map[string]any) (ModuleInstance, error)
}

ModuleProvider is optionally implemented to provide module types.

type PluginManifest

type PluginManifest struct {
	Name        string
	Version     string
	Author      string
	Description string
}

PluginManifest describes the plugin.

type PluginProvider

type PluginProvider interface {
	// Manifest returns the plugin's metadata.
	Manifest() PluginManifest
}

PluginProvider is the main interface plugin authors implement.

type StepInstance

type StepInstance interface {
	Execute(ctx context.Context, triggerData map[string]any, stepOutputs map[string]map[string]any, current map[string]any, metadata map[string]any) (*StepResult, error)
}

StepInstance is a remote pipeline step.

type StepProvider

type StepProvider interface {
	// StepTypes returns the step type names this plugin provides.
	StepTypes() []string
	// CreateStep creates a step instance of the given type.
	CreateStep(typeName, name string, config map[string]any) (StepInstance, error)
}

StepProvider is optionally implemented to provide step types.

type StepResult

type StepResult struct {
	Output       map[string]any
	StopPipeline bool
}

StepResult is the output of a step execution.

type UIProvider added in v0.1.1

type UIProvider interface {
	// UIManifest returns the UI manifest for this plugin.
	UIManifest() ext.UIManifest
}

UIProvider is an optional interface that PluginProvider implementations can satisfy to declare UI assets and navigation contributions.

If a PluginProvider implements UIProvider, the SDK Serve() function will write a "ui.json" file to the plugin's working directory on first start (if one does not already exist). Alternatively, authors can maintain "ui.json" manually without implementing this interface.

Type aliases

The UI manifest types (UIManifest, UINavItem) are defined in the github.com/GoCodeAlone/workflow/plugin/external package so that both the host engine and plugin processes share the same type definitions without introducing an import cycle.

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