Examples with KERNEL_ROLLBACK com.aws.greengrass.deployment.model.Deployment.DeploymentStage.KERNEL_ROLLBACK used on opensource projects

Example 1 with KERNEL_ROLLBACK

use of com.aws.greengrass.deployment.model.Deployment.DeploymentStage.KERNEL_ROLLBACK in project aws-greengrass-nucleus by aws-greengrass.

the class KernelUpdateDeploymentTask method call.

@SuppressWarnings({ "PMD.AvoidDuplicateLiterals" })
@Override
public DeploymentResult call() {
    Deployment.DeploymentStage stage = deployment.getDeploymentStage();
    try {
        List<GreengrassService> servicesToTrack = kernel.orderedDependencies().stream().filter(GreengrassService::shouldAutoStart).filter(o -> !kernel.getMain().equals(o)).collect(Collectors.toList());
        long mergeTimestamp = kernel.getConfig().lookup("system", "rootpath").getModtime();
        logger.atDebug().kv("serviceToTrack", servicesToTrack).kv("mergeTime", mergeTimestamp).log("Nucleus update workflow waiting for services to complete update");
        DeploymentConfigMerger.waitForServicesToStart(servicesToTrack, mergeTimestamp);
        DeploymentResult result = null;
        if (KERNEL_ACTIVATION.equals(stage)) {
            result = new DeploymentResult(DeploymentResult.DeploymentStatus.SUCCESSFUL, null);
        } else if (KERNEL_ROLLBACK.equals(stage)) {
            result = new DeploymentResult(DeploymentResult.DeploymentStatus.FAILED_ROLLBACK_COMPLETE, getDeploymentStatusDetails());
        }
        componentManager.cleanupStaleVersions();
        return result;
    } catch (InterruptedException e) {
        logger.atError("deployment-interrupted", e).log();
        try {
            saveDeploymentStatusDetails(e.getMessage());
        } catch (IOException ioException) {
            logger.atError().log("Failed to persist deployment error information", ioException);
        }
        // Interrupted workflow. Shutdown kernel and retry this stage.
        kernel.shutdown(30, REQUEST_RESTART);
        return null;
    } catch (ServiceUpdateException e) {
        logger.atError("deployment-errored", e).log();
        if (KERNEL_ACTIVATION.equals(stage)) {
            try {
                deployment.setDeploymentStage(KERNEL_ROLLBACK);
                saveDeploymentStatusDetails(e.getMessage());
                // Rollback workflow. Flip symlinks and restart kernel
                kernel.getContext().get(KernelAlternatives.class).prepareRollback();
                kernel.shutdown(30, REQUEST_RESTART);
            } catch (IOException ioException) {
                logger.atError().log("Failed to set up Nucleus rollback directory", ioException);
                return new DeploymentResult(DeploymentResult.DeploymentStatus.FAILED_UNABLE_TO_ROLLBACK, e);
            }
            return null;
        } else if (KERNEL_ROLLBACK.equals(stage)) {
            logger.atError().log("Nucleus update workflow failed on rollback", e);
            return new DeploymentResult(DeploymentResult.DeploymentStatus.FAILED_UNABLE_TO_ROLLBACK, getDeploymentStatusDetails());
        }
        return null;
    }
}