fnext

package
v0.3.624 Latest Latest
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Published: Nov 22, 2018 License: Apache-2.0 Imports: 3 Imported by: 16

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// MiddlewareControllerKey is a context key. It can be used in handlers with context.WithValue to
	// access the MiddlewareContext.
	MiddlewareControllerKey = contextKey("middleware_controller")
	// AppNameKey
	AppNameKey = contextKey("app_name")
)

Keys for extensions to get things out of the context

Functions

func NewDatastore

NewDatastore returns a Datastore that wraps the provided Datastore, calling any relevant listeners around any of the Datastore methods.

Types

type APIAppHandler

type APIAppHandler interface {
	// Handle(ctx context.Context)
	ServeHTTP(w http.ResponseWriter, r *http.Request, app *models.App)
}

APIAppHandler may be used to add an http endpoint on the versioned route of fn API, at /:version/apps/:app

type APIAppHandlerFunc

type APIAppHandlerFunc func(w http.ResponseWriter, r *http.Request, app *models.App)

APIAppHandlerFunc is a convenience for getting an APIAppHandler.

func (APIAppHandlerFunc) ServeHTTP

func (f APIAppHandlerFunc) ServeHTTP(w http.ResponseWriter, r *http.Request, app *models.App)

ServeHTTP calls f(w, r).

type APIHandler

type APIHandler interface {
	// Handle(ctx context.Context)
	ServeHTTP(w http.ResponseWriter, r *http.Request)
}

APIHandler may be used to add an http endpoint on the versioned route of the Fn API.

type APIHandlerFunc

type APIHandlerFunc func(w http.ResponseWriter, r *http.Request)

APIHandlerFunc is a convenience to make an APIHandler.

func (APIHandlerFunc) ServeHTTP

func (f APIHandlerFunc) ServeHTTP(w http.ResponseWriter, r *http.Request)

ServeHTTP calls f(w, r).

type AppListener

type AppListener interface {
	// BeforeAppCreate called right before creating App in the database
	BeforeAppCreate(ctx context.Context, app *models.App) error
	// AfterAppCreate called after creating App in the database
	AfterAppCreate(ctx context.Context, app *models.App) error
	// BeforeAppUpdate called right before updating App in the database
	BeforeAppUpdate(ctx context.Context, app *models.App) error
	// AfterAppUpdate called after updating App in the database
	AfterAppUpdate(ctx context.Context, app *models.App) error
	// BeforeAppDelete called right before deleting App in the database
	BeforeAppDelete(ctx context.Context, app *models.App) error
	// AfterAppDelete called after deleting App in the database
	AfterAppDelete(ctx context.Context, app *models.App) error
	// BeforeAppGet called right before getting an app
	BeforeAppGet(ctx context.Context, appID string) error
	// AfterAppGet called after getting app from database
	AfterAppGet(ctx context.Context, app *models.App) error
	// BeforeAppsList called right before getting a list of all user's apps. Modify the filter to adjust what gets returned.
	BeforeAppsList(ctx context.Context, filter *models.AppFilter) error
	// AfterAppsList called after deleting getting a list of user's apps. apps is the result after applying AppFilter.
	AfterAppsList(ctx context.Context, apps []*models.App) error
}

AppListener is an interface used to inject custom code at key points in the app lifecycle.

type CallListener

type CallListener interface {
	// BeforeCall called before a function is executed
	BeforeCall(ctx context.Context, call *models.Call) error
	// AfterCall called after a function completes
	AfterCall(ctx context.Context, call *models.Call) error
}

CallListener enables callbacks around Call events.

type ExtServer

type ExtServer interface {
	// AddAppListener adds a listener that will be invoked around any relevant methods.
	AddAppListener(listener AppListener)
	// AddCallListener adds a listener that will be invoked around any call invocations.
	AddCallListener(listener CallListener)

	// AddAPIMiddleware add middleware
	AddAPIMiddleware(m Middleware)
	// AddAPIMiddlewareFunc add middlewarefunc
	AddAPIMiddlewareFunc(m MiddlewareFunc)
	// AddRootMiddleware add middleware add middleware for end user applications
	AddRootMiddleware(m Middleware)
	// AddRootMiddlewareFunc add middleware for end user applications
	AddRootMiddlewareFunc(m MiddlewareFunc)

	// AddEndpoint adds an endpoint to /v1/x
	AddEndpoint(method, path string, handler APIHandler)
	// AddEndpoint adds an endpoint to /v1/x
	AddEndpointFunc(method, path string, handler func(w http.ResponseWriter, r *http.Request))
	// AddAppEndpoint adds an endpoints to /v1/apps/:app/x
	AddAppEndpoint(method, path string, handler APIAppHandler)
	// AddAppEndpoint adds an endpoints to /v1/apps/:app/x
	AddAppEndpointFunc(method, path string, handler func(w http.ResponseWriter, r *http.Request, app *models.App))

	// Datastore returns the Datastore Fn is using
	Datastore() models.Datastore
}

ExtServer limits what the extension should do and prevents dependency loop, it can be used to alter / modify / add the behavior of fn server.

type Extension

type Extension interface {
	Name() string
	Setup(s ExtServer) error
}

Extension is the interface that all extensions must implement in order to configure themselves against an ExtServer.

type FnListener

type FnListener interface {
	// BeforeFnCreate called before fn created in the datastore
	BeforeFnCreate(ctx context.Context, fn *models.Fn) error
	// AfterFnCreate called after fn create in the datastore
	AfterFnCreate(ctx context.Context, fn *models.Fn) error
	// BeforeFnUpdate called before fn update in datastore
	BeforeFnUpdate(ctx context.Context, fn *models.Fn) error
	// AfterFnUpdate called after fn updated in datastore
	AfterFnUpdate(ctx context.Context, fn *models.Fn) error
	// BeforeFnDelete called before fn deleted from the datastore
	BeforeFnDelete(ctx context.Context, fnID string) error
	// AfterFnDelete called after fn deleted from the datastore
	AfterFnDelete(ctx context.Context, fnID string) error
}

FnListener enables callbacks around Fn events

type Middleware

type Middleware interface {
	Handle(next http.Handler) http.Handler
}

Middleware just takes a http.Handler and returns one. So the next middle ware must be called within the returned handler or it would be ignored.

type MiddlewareFunc

type MiddlewareFunc func(next http.Handler) http.Handler

MiddlewareFunc is a here to allow a plain function to be a middleware.

func (MiddlewareFunc) Handle

func (m MiddlewareFunc) Handle(next http.Handler) http.Handler

Handle used to allow middlewarefuncs to be middleware.

type TriggerListener

type TriggerListener interface {
	// BeforeTriggerCreate called before trigger created in the datastore
	BeforeTriggerCreate(ctx context.Context, trigger *models.Trigger) error
	// AfterTriggerCreate called after trigger create in the datastore
	AfterTriggerCreate(ctx context.Context, trigger *models.Trigger) error
	// BeforeTriggerUpdate called before trigger update in datastore
	BeforeTriggerUpdate(ctx context.Context, trigger *models.Trigger) error
	// AfterTriggerUpdate called after trigger updated in datastore
	AfterTriggerUpdate(ctx context.Context, trigger *models.Trigger) error
	// BeforeTriggerDelete called before trigger deleted from the datastore
	BeforeTriggerDelete(ctx context.Context, triggerId string) error
	// AfterTriggerDelete called after trigger deleted from the datastore
	AfterTriggerDelete(ctx context.Context, triggerId string) error
}

// TriggerListener enables callbacks around Trigger events

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