Examples with CHECK_SCOPE_EXISTS io.pravega.shared.controller.tracing.RPCTracingTags.CHECK_SCOPE_EXISTS used on opensource projects

Example 1 with CHECK_SCOPE_EXISTS

use of io.pravega.shared.controller.tracing.RPCTracingTags.CHECK_SCOPE_EXISTS in project pravega by pravega.

the class ControllerServiceImpl method checkScopeExists.

@Override
public void checkScopeExists(ScopeInfo request, StreamObserver<Controller.ExistsResponse> responseObserver) {
    RequestTag requestTag = requestTracker.initializeAndTrackRequestTag(controllerService.nextRequestId(), CHECK_SCOPE_EXISTS, request.getScope());
    String scope = request.getScope();
    log.info(requestTag.getRequestId(), "checkScopeExists called for scope {}.", request);
    final AuthContext ctx;
    if (this.grpcAuthHelper.isAuthEnabled()) {
        ctx = AuthContext.current();
    } else {
        ctx = null;
    }
    Supplier<String> stringSupplier = () -> {
        String result = this.grpcAuthHelper.checkAuthorization(authorizationResource.ofScope(scope), AuthHandler.Permissions.READ, ctx);
        log.debug("Result of authorization for [{}] and READ permission is: [{}]", authorizationResource.ofScopes(), result);
        return result;
    };
    Function<String, CompletableFuture<Controller.ExistsResponse>> scopeFn = delegationToken -> controllerService.getScope(scope, requestTag.getRequestId()).handle((response, e) -> {
        boolean exists;
        if (e != null) {
            if (Exceptions.unwrap(e) instanceof StoreException.DataNotFoundException) {
                exists = false;
            } else {
                throw new CompletionException(e);
            }
        } else {
            exists = true;
        }
        return Controller.ExistsResponse.newBuilder().setExists(exists).build();
    });
    authenticateExecuteAndProcessResults(stringSupplier, scopeFn, responseObserver, requestTag);
}