I'm toying around with API Gateways Websocket APIs...
# helps
Seth Geoghegan
03/22/2021, 7:55 PMI'm toying around with API Gateways Websocket APIs. I've used SST to deploy my lambdas that handle connect/disconnect/default paths. I manually wired up the websocket API via the AWS console in API Gateway. I'm taking a stab at reproducing the whole setup via SST.
Seth Geoghegan
03/22/2021, 7:55 PMI know the SST API construct only currently supports HTTP APIs, so I'll have to use CDK directly to define the API. What I'm fuzzy on is how to connect my SST defined functions to a CDK generated API
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Frank
03/22/2021, 7:57 PM
@Seth Geoghegan don’t look at the DebugStack implementation, i wrote that b4 CDK supported websocket
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Seth Geoghegan
03/22/2021, 7:57 PMahh, glad I asked 🙂
Seth Geoghegan
03/22/2021, 7:57 PMcuz, I'm hella confused 😕
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Frank
03/22/2021, 7:58 PM
Frank
03/22/2021, 7:58 PM
But yeah.. that’s definitely something we want to add a construct for down the road
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Seth Geoghegan
03/22/2021, 7:58 PMahh, that looks promising
Seth Geoghegan
03/22/2021, 7:59 PMYeah, I figured as much. Probably not a top tier use-case for API Gateway, but a nice construct to have in place
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Frank
03/22/2021, 8:07 PM
yup.. to help with setting custom domain, access log and stuff
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Seth Geoghegan
03/22/2021, 8:34 PMThis appears to be working: https://gist.github.com/SethThomas/8c3e06c2aa6add78cc29fca0d32b2d94
Seth Geoghegan
03/22/2021, 8:36 PMI connected to the endpoint using https://www.websocket.org/echo.html, which fired off my wsConnect Function and added the connection info to DynamoDB
Seth Geoghegan
03/22/2021, 8:37 PMwith the functions running on my laptop via SST start
Seth Geoghegan
03/22/2021, 8:37 PMI'm still not over how cool that is
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Frank
03/22/2021, 8:40 PM
Nice! I just opened a discussion with ur example to help us implement it when we get to it https://github.com/serverless-stack/serverless-stack/discussions/268
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Seth Geoghegan
03/22/2021, 8:42 PMI am hacking together a serverless chat to learn this part of API Gateway. If it comes together, I'll have to write something up
Seth Geoghegan
03/22/2021, 8:42 PMso far, so good 🙂
Seth Geoghegan
03/22/2021, 8:43 PMThe example i posted is making use of the SST Table construct to
addConsumersSeth Geoghegan
03/22/2021, 8:44 PMMy app saves chat messages to DDB, which fires off a stream, which I then use websockets to broadcast the message to connected clients
Seth Geoghegan
03/22/2021, 8:44 PMDefinitely 🤓
Seth Geoghegan
03/22/2021, 8:45 PMthe websocket API is the only thing that wasn't entirely in SST
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Frank
04/17/2021, 4:33 AM
Hey @Seth Geoghegan, just looping back to this, we added the
sst.WebSocketApis
Seth Geoghegan
04/17/2021, 5:19 AMAwesome!