grpc + appengine? Is this possible?

[Derek Perez]

Is it possible to use grpc with Appengine? Or am I only able to use GCE if I want to stick with Google Cloud Platform?

[Louis Ryan]

Currently no, this is something we're actively looking at addressing. Stay tuned.

On Tue, Mar 3, 2015 at 3:24 PM, Derek Perez <de...@derekperez.com> wrote:

Is it possible to use grpc with Appengine? Or am I only able to use GCE if I want to stick with Google Cloud Platform?

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[eyal...@gmail.com]

Any updates on that?

Assuming not I'm thinking of a mid-term workaround by using appengine sockets and building the request directly.

How hard will it be to write a function which is supposed to send a specific RPC request, That is, a function which gets a specific proto, open a socket to a GCE hosted grpc server send the request (I assume the request should have the serialized proto + few other stuff)?

The alternative is to create an http server on GCE as a grpc bridge, but the first option is better assuming it's not too hard to implement.

Louis, do you think my suggestion is reasonable? or is the grpc protocol is too complicated to do something simple as that?

[Louis Ryan]

+cc Ludo who's team is working on GRPC for AppEngine v2.

Which language are you interested in doing this with? For Java, I doubt plugging the AE socket API below one of the GRPC transport implementation (Netty / OkHttp) would be all that difficult but its not something I've looked at. 

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[Eyal Fink]

Thanks for the reply,

I'm using python.

[Louis Ryan]

+cc Nathaniel -Ludo

[Nathaniel Manista]

On Mon, May 4, 2015 at 11:31 AM, Eyal Fink <eyal...@gmail.com> wrote:

I'm using python.

Hi Eyal-

    For Python in particular: we want to do it but implementation has not yet started so I speculate that it is months away at earliest. For App Engine's other supported languages I believe the work is being done independently so it will arrive either before or after Python but not, except by coincidence, around the same time.

-Nathaniel

[Eyal Fink]

Thanks Nathaniel for the reply!

A follow up question (which is related since it can eliminate the need for GAE):

Any chance you are planning to to release a Cloud Endpoints wrapping around grpc? After all if I have a gRPC service running, it seems that letting my client code which now talks to my GAE endpoints talk directly to it can be done without any specific code, right?

[Nathaniel Manista]

On Tue, May 19, 2015 at 8:23 PM, Eyal Fink <eyal...@gmail.com> wrote:

A follow up question (which is related since it can eliminate the need for GAE):

Any chance you are planning to to release a Cloud Endpoints wrapping around grpc?

I have trouble seeing that far ahead. ;-)

After all if I have a gRPC service running, it seems that letting my client code which now talks to my GAE endpoints talk directly to it can be done without any specific code, right?

That does seem like a smart facility to build.

-N

[Wolfgang Grieskamp]

On Thu, May 21, 2015 at 7:13 PM, 'Nathaniel Manista' via grpc.io <grp...@googlegroups.com> wrote:

On Tue, May 19, 2015 at 8:23 PM, Eyal Fink <eyal...@gmail.com> wrote:

A follow up question (which is related since it can eliminate the need for GAE):

Any chance you are planning to to release a Cloud Endpoints wrapping around grpc?

I have trouble seeing that far ahead. ;-)

It depends on what you define as far ;-)

 

After all if I have a gRPC service running, it seems that letting my client code which now talks to my GAE endpoints talk directly to it can be done without any specific code, right?

That does seem like a smart facility to build.

-N

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[Alexander Yevsyukov]

We are interested in Java support.  Is there a chance for early adopters preview?

We've got an app under AppEngine, with Web and Android clients, and iOS client development recently started. Protobuf and gRPC will help us a lot.

[acha...@brightcove.com]

Any updates on this?

[Miguel Vitorino]

Found this interim solution from a Google developer http://nodir.io/post/138899670556/prpc.

Haven't tested it though.. has anyone?

[jeff...@gmail.com]

hi,

Any updates on golang grpc support on app-engine?

Are we looking at months or a year?

[no...@google.com]

(shameless plug)

You may find pRPC useful: basically allows you to run a gRPC service on appengine via HTTP 1. Unlike grpc, does not support streaming, supports making RPCs from the browser.

https://godoc.org/github.com/luci/luci-go/grpc/prpc

[Ernesto Alejo]

It is similar to https://github.com/grpc-ecosystem/grpc-gateway isn't it? I can see you have a CLI tool that could be great for testing and some helpers for App Engine though.

[Nodir Turakulov]

yeah, looks similar

there is also UI for making RPCs with docs-from-comments and request autocompletion and a discovery service

[Jeff Kusi]

Haha Nodir,

So funny enough, I watched your tech talk after asking the question on here.
I'm definitely going to use it :)

[Ankur Chauhan]

Do you have a link to the tech talk. I would be very interested in something like that.

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[Nodir Turakulov]

a blog post and the tech talk: http://nodir.io/post/138899670556/prpc

[Paul Grosu]

Hi Nodir,

Thank you for sharing this nice demo.  Where are there more tech-talks like this?

Thank you,
Paul

[Nodir Turakulov]

thank you for your interest. There were no more tech talks about prpc.

[cam...@tachyus.com]

I was hoping to host a gRPC service I wrote that manages a GKE cluster in AppEngine. Is this still not possible? The http://www.grpc.io/docs/ has a "Web *(Coming soon) - Early Access Sign Up". I tried to sign up, but haven't heard back. I wrote the service in Go. Will it be possible to host gRPC services on the same port in combination with other web frameworks like Iris. Same question for .NET, will it be possible possible to host gRPC services along side ASP.NET applications on the same port?

cheers,

Cameron

[Louis Ryan]

+cc wenbo

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