Example auth service for Ambassador
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example-auth.yaml datawire, not dwflynn Sep 15, 2017
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README.md

Ambassador Auth Service

Example auth service for Ambassador using ExtAuth. See the Ambassador documentation for more information.

Using the service

The service listens on port 3000 and supports the ExtAuth interaction pattern. In short, the service expects a POST to the path /ambassador/auth with client request headers as a JSON map in the POST body. If auth is okay, it returns a 200 to allow the client request to go through. Otherwise it returns a 401 with an HTTP Basic Auth WWW-Authenticate header. Take a look at ExtAuth for more information about the Envoy side of things.

The current version of this code only performs auth when the client headers indicate a request under the /service path. The only valid credentials are username:password. It should be straightforward to extend this sample to perform meaningful auth.

Run using Node

The example service requires a recent version of Node that supports const.

$ git clone https://github.com/datawire/ambassador-auth-service.git
Cloning into 'ambassador-auth-service'...
remote: Counting objects: 36, done.
remote: Compressing objects: 100% (23/23), done.
remote: Total 36 (delta 14), reused 29 (delta 11), pack-reused 0
Unpacking objects: 100% (36/36), done.

$ cd ambassador-auth-service/

$ npm install
added 236 packages in 4.995s

$ npm start

> authserver@1.0.0 start /Users/ark3/temp/ambassador-auth-service
> node server.js

Example app listening on port 3000!

Run using Docker

$ docker pull datawire/ambassador-auth-service:latest
latest: Pulling from datawire/ambassador-auth-service
2aecc7e1714b: Pull complete
8c9904a62f4c: Pull complete
03e43cd0c4c3: Pull complete
ea2ca032df77: Pull complete
cf5c747aca5b: Pull complete
Digest: sha256:78c46829e124be43a6976fea53a6e120f6c9ce24ef68782bdedf55d7acd4b9c5
Status: Downloaded newer image for datawire/ambassador-auth-service:latest

$ docker run -it --rm -p 3000:3000 datawire/ambassador-auth-service:latest

> authserver@1.0.0 start /src
> node server.js

Example app listening on port 3000!

Run using Kubernetes

This assumes your kubectl command is set up to point to your Kubernetes cluster already.

$ kubectl apply -f example-auth.yaml
service "example-auth" created
deployment "example-auth" created

$ kubectl logs example-auth-2014484287-034kz

> authserver@1.0.0 start /src
> node server.js

Example app listening on port 3000!