
CORS middleware needs to be added to api pipeline to support Cross-Origin Resource Sharing(CORS). CORS is supported globally by multiple OpenStack services but is not by watcher, due to lack of CORS middleware and no mechanism to inject it into api pipeline. Closes-Bug: #2122347 Change-Id: I6b47abe4f08dc257e9156b254fa60005b82898d7 Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>