Examples with ResponseContext com.sequenceiq.cloudbreak.orchestrator.yarn.model.response.ResponseContext used on opensource projects

Example 6 with ResponseContext

use of com.sequenceiq.cloudbreak.orchestrator.yarn.model.response.ResponseContext in project cloudbreak by hortonworks.

the class YarnAppBootstrap method call.

@Override
public Boolean call() throws Exception {
    YarnClient dashHttpClient = new YarnHttpClient(apiEndpoint);
    // Make the request
    ApplicationDetailRequest applicationDetailRequest = new ApplicationDetailRequest();
    applicationDetailRequest.setName(appName);
    ResponseContext responseContext = dashHttpClient.getApplicationDetail(applicationDetailRequest);
    // If 404, application isn't ready, sleep
    if (responseContext.getStatusCode() == YarnResourceConstants.HTTP_NOT_FOUND) {
        String msg = String.format("Application %s not ready, received %d response, sleeping 1000 ms", appName, responseContext.getStatusCode());
        LOGGER.debug(msg);
        throw new CloudbreakOrchestratorFailedException(msg);
    }
    // If 200, check application state to ensure RUNNING
    if (responseContext.getStatusCode() == YarnResourceConstants.HTTP_SUCCESS) {
        if (null != responseContext.getResponseObject()) {
            ApplicationDetailResponse applicationDetailResponse = (ApplicationDetailResponse) responseContext.getResponseObject();
            // Validate the application is "RUNNING"
            if (!applicationDetailResponse.getState().equals(ApplicationState.READY.name())) {
                LOGGER.debug(String.format("Application %s not ready, in %s state, sleeping 1000 ms", appName, applicationDetailResponse.getState()));
                throw new CloudbreakOrchestratorFailedException(String.format("Application %s not ready, in %s state, sleeping 1000 ms", appName, applicationDetailResponse.getState()));
            } else {
                // Validate the container is running
                if (!applicationDetailResponse.getContainers().isEmpty()) {
                    Container appContainer = applicationDetailResponse.getContainers().get(0);
                    if (!appContainer.getState().equals(ContainerState.READY.name())) {
                        String msg = String.format("Application %s not ready, in %s state, sleeping 1000 ms", appName, applicationDetailResponse.getState());
                        LOGGER.debug(msg);
                        throw new CloudbreakOrchestratorFailedException(msg);
                    } else {
                        String msg = String.format("Application %s has now successfully started, in %s state", appName, applicationDetailResponse.getState());
                        LOGGER.debug(msg);
                        return true;
                    }
                }
            }
        }
    }
    return true;
}