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Package flex

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Published: Aug 13, 2020 | License: Apache-2.0 | Module:


Package flex exposes gaemiddleware Environments for AppEngine's Flex environment.



var (
	// ListeningAddr is a address to bind the listening socket to.
	ListeningAddr string
var ReadOnlyFlex = gaemiddleware.Environment{
	MemcacheAvailable: false,
	DSReadOnly:        true,
	DSReadOnlyPredicate: func(k *datastore.Key) (isRO bool) {

		return k.Namespace() != gaetsmon.DatastoreNamespace
	Prepare: func(ctx context.Context) {
		globalFlex = &cloud.Flex{
			Cache: lru.New(65535),
		var err error
		if globalFlexConfig, err = globalFlex.Configure(ctx); err != nil {
			panic(errors.Annotate(err, "could not create Flex config").Err())
	WithInitialRequest: func(ctx context.Context, req *http.Request) context.Context {

		if globalFlexConfig == nil {

			panic("global Flex config is not initialized")
		return globalFlexConfig.Use(ctx, globalFlex.Request(ctx, req))
	WithConfig: gaeconfig.Use,
	WithAuth: func(ctx context.Context) context.Context {
		return auth.Initialize(ctx, &globalAuthConfig)
	ExtraMiddleware: router.NewMiddlewareChain(
	ExtraHandlers: func(r *router.Router, base router.MiddlewareChain) {
		gaeauth.InstallHandlers(r, base)
		pprof.InstallHandlers(r, base)

		r.GET("/_ah/health", router.MiddlewareChain{},
			func(c *router.Context) { c.Writer.WriteHeader(http.StatusOK) })

ReadOnlyFlex is an Environment designed for cooperative Flex support environments.

func HTTPRequest

func HTTPRequest(ctx context.Context) *http.Request

HTTPRequest returns the inbound HTTP request associated with the current Context.

This value will always be available if the Context has been initialized by Use.

func WithGlobal

func WithGlobal(ctx context.Context) context.Context

WithGlobal returns a Context that is not attached to a specific request.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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