Unfortunately that isn't currently supported.  However it would be a relatively simple feature to add.  Perhaps you could submit a JIRA feature request?  If you do I'm sure we can have that included in 1.2.0.Final (due by the end of the month).

-Eric

On 12/9/2015 11:19 AM, Ton Swieb wrote:

Hi,

Is it possible to use property placeholders in policy configuration. The
property placeholders should be evaluated at runtime based on a Java
system property.

For example.
I have configured the realm property in the Keycloak Oauth policy to be:
http://localhost:8080/auth/realms/apiman

But instead of setting protocol://host:port hardcoded I want to use
something like:
{{protocol}}://{{host}:{port}/auth/realms/apiman
or
{{baseUrl}}/auth/realms/apiman

The reason I want to use property placeholders is because of our Docker
build.
The Docker image is setup with a preconfigured Apiman installation. So
the image already has some service published an policies applied. Only
when building the image it is unknown on which host the image will run.

In particular. The Keycloak OAuth policy is complaining as follows:

{
   "type": "Authentication",
   "failureCode": 11004,
   "responseCode": 401,
   "message": "Token audience doesn't match domain. Token issuer ishttp://192.168.99.100:8080/auth/realms/apiman, but URL from configuration ishttp://localhost:8080/auth/realms/apiman",
   "headers": {}
}

I hope to solve this by using property placeholders which evaluate at
runtime using a system property.

Regards,

Ton




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