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OAuth2 Authentication
You can configure external authentication / oauth on Voyager Ingress controller via frontendrules. For this you have to configure and expose oauth2-proxy and specify it as a backend under same host. For example:
apiVersion: voyager.appscode.com/v1beta1
kind: Ingress
metadata:
name: auth-ingress
namespace: default
spec:
frontendRules:
- port: 80
auth:
oauth:
- host: voyager.appscode.ninja
authBackend: auth-be
authPath: /oauth2/auth
signinPath: /oauth2/start
paths:
- /app
rules:
- host: voyager.appscode.ninja
http:
paths:
- path: /health
backend:
serviceName: test-server
servicePort: 80
- path: /app
backend:
serviceName: test-server
servicePort: 80
- path: /oauth2
backend:
name: auth-be
serviceName: oauth2-proxy
servicePort: 4180
Please note the followings:
Oauth will be enabled only for the specified paths. It is not necessary that this paths should match with the paths specified in the http-rules.
Auth backend and app backend should be under same host.
For secure/tls connections, you have to set
cookie-secure=true(default) and for insecure/non-tls connections, you have to setcookie-secure=falsewhile configuringoauth2-proxy.You can use any random string as
OAUTH2_PROXY_COOKIE_SECRETwhile configuringoauth2-proxy. You can generate one using following command:
$ python -c 'import os,base64; print base64.b64encode(os.urandom(16))'
If you use standard ports, you have to write frontend rules under port
80for non-tls and under port443for tls.You can not use different auth backends for different paths under same host and port. However, it is possible to configure different auth backends for different hosts under same port. For example:
apiVersion: voyager.appscode.com/v1beta1
kind: Ingress
metadata:
name: auth-ingress
namespace: default
spec:
frontendRules:
- port: 80
auth:
oauth:
- host: team01.example.com
authBackend: google-auth
authPath: /google/auth
signinPath: /google/start
paths:
- /foo
- host: team02.example.com
authBackend: github-auth
authPath: /github/auth
signinPath: /github/start
paths:
- /bar
rules:
- host: team01.example.com
http:
paths:
- path: /foo
backend:
serviceName: test-server
servicePort: 80
- path: /google
backend:
name: google-auth
serviceName: oauth2-proxy-google
servicePort: 4180
- host: team02.example.com
http:
paths:
- path: /bar
backend:
serviceName: test-server
servicePort: 80
- path: /github
backend:
name: github-auth
serviceName: oauth2-proxy-github
servicePort: 4180