public void waitForConfigurationResolution(String clusterName, Set<String> updatedConfigTypes) throws AmbariException {
    Cluster cluster = getController().getClusters().getCluster(clusterName);
    boolean shouldWaitForResolution = true;
    while (shouldWaitForResolution) {
      int numOfRequestsStillRequiringResolution = 0;

      // for all config types specified
      for (String actualConfigType : updatedConfigTypes) {
        // get the actual cluster config for comparison
        DesiredConfig actualConfig = cluster.getDesiredConfigs().get(actualConfigType);
        if (actualConfig == null || actualConfigType.equals("core-site")) {
          continue;
        }
        if (!actualConfig.getTag().equals(TopologyManager.TOPOLOGY_RESOLVED_TAG)) {
          // if any expected config is not resolved, deployment must wait
          LOG.info("Config type " + actualConfigType + " not resolved yet, Blueprint deployment will wait until configuration update is completed");
          numOfRequestsStillRequiringResolution++;
        } else {
          LOG.info("Config type " + actualConfigType + " is resolved in the cluster config.");
        }
      }

      if (numOfRequestsStillRequiringResolution == 0) {
        // all configs are resolved, deployment can continue
        LOG.info("All required configuration types are in the " + TopologyManager.TOPOLOGY_RESOLVED_TAG + " state.  Blueprint deployment can now continue.");
        shouldWaitForResolution = false;
      } else {
        LOG.info("Waiting for " + numOfRequestsStillRequiringResolution + " configuration types to be resolved before Blueprint deployment can continue");

        try {
          // sleep before checking the config again
          Thread.sleep(100);
        } catch (InterruptedException e) {
          LOG.warn("sleep interrupted");
        }
      }
    }
  }
Verifies that all desired configurations have reached the resolved state
  before proceeding with the install

@param clusterName name of the cluster
@param updatedConfigTypes set of config types that are required to be in the TOPOLOGY_RESOLVED state

@throws AmbariException upon any system-level error that occurs
ambari-server/src/main/java/org/apache/ambari/server/topology/AmbariContext.java