// todo: for api/v1/hosts we also end up here so we need to ensure proper 400 response
// todo: since a user shouldn't be posing to that endpoint
private RequestStatusResponse submitHostRequests(Request request) throws SystemException {
ScaleClusterRequest requestRequest;
try {
requestRequest = new ScaleClusterRequest(request.getProperties());
} catch (InvalidTopologyTemplateException e) {
throw new IllegalArgumentException("Invalid Add Hosts Template: " + e, e);
}
try {
return topologyManager.scaleHosts(requestRequest);
} catch (InvalidTopologyException e) {
throw new IllegalArgumentException("Topology validation failed: " + e, e);
} catch (AmbariException e) {
// todo: handle non-system exceptions
e.printStackTrace();
// todo: for now just throw SystemException
throw new SystemException("Unable to add hosts", e);
}
}
/**
* Register information about the host (Internal API to be used for Ambari Agent)
*
* @response.representation.200.doc This API is invoked by Ambari agent running on a cluster to
* register with the server.
* @response.representation.200.mediaType application/json
* @response.representation.406.doc Error in register message format
* @response.representation.408.doc Request Timed out
* @param message Register message
* @throws InvalidStateTransitionException
* @throws AmbariException
* @throws Exception
*/
@Path("register/{hostName}")
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces({MediaType.APPLICATION_JSON})
public RegistrationResponse register(Register message, @Context HttpServletRequest req)
throws WebApplicationException, InvalidStateTransitionException {
/* Call into the heartbeat handler */
RegistrationResponse response = null;
try {
response = hh.handleRegistration(message);
LOG.debug("Sending registration response " + response);
} catch (AmbariException ex) {
response = new RegistrationResponse();
response.setResponseId(-1);
response.setResponseStatus(RegistrationStatus.FAILED);
response.setExitstatus(1);
response.setLog(ex.getMessage());
return response;
}
return response;
}