UpdateConnectionLoggingListener.java

package org.openstack.atlas.api.async;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openstack.atlas.service.domain.entities.LoadBalancer;
import org.openstack.atlas.service.domain.entities.LoadBalancerStatus;
import org.openstack.atlas.service.domain.events.entities.EventSeverity;
import org.openstack.atlas.service.domain.exceptions.EntityNotFoundException;

import javax.jms.Message;

import static org.openstack.atlas.service.domain.events.entities.CategoryType.UPDATE;
import static org.openstack.atlas.service.domain.events.entities.EventSeverity.CRITICAL;
import static org.openstack.atlas.service.domain.events.entities.EventType.UPDATE_CONNECTION_LOGGING;
import static org.openstack.atlas.service.domain.services.helpers.AlertType.DATABASE_FAILURE;
import static org.openstack.atlas.service.domain.services.helpers.AlertType.ZEUS_FAILURE;

public class UpdateConnectionLoggingListener extends BaseListener {

    final Log LOG = LogFactory.getLog(UpdateConnectionLoggingListener.class);
    private static final String UPDATE_LOGGING_TITLE = "Update Connection Logging";

    @Override
    public void doOnMessage(Message message) throws Exception {
        LOG.debug("Entering " + getClass());
        LOG.debug(message);
        LoadBalancer queueLb = getLoadbalancerFromMessage(message);
        LoadBalancer dbLoadBalancer;

        try {
            dbLoadBalancer = loadBalancerService.get(queueLb.getId(), queueLb.getAccountId());
        } catch (EntityNotFoundException enfe) {
            String alertDescription = String.format("Load balancer '%d' not found in database.", queueLb.getId());
            LOG.error(alertDescription, enfe);
            notificationService.saveAlert(queueLb.getAccountId(), queueLb.getId(), enfe, DATABASE_FAILURE.name(), alertDescription);
            sendErrorToEventResource(queueLb);
            return;
        }

        try {
            if (isRestAdapter()) {
                LOG.debug(String.format("Updating connection logging for load balancer '%d' in STM...", dbLoadBalancer.getId()));
                reverseProxyLoadBalancerStmService.updateLoadBalancer(dbLoadBalancer, queueLb, loadBalancerService.getUserPages(queueLb.getId(), queueLb.getAccountId()));
                LOG.debug(String.format("Successfully updated connection logging for load balancer '%d' in Zeus.", dbLoadBalancer.getId()));
            } else {
                LOG.debug(String.format("Updating connection logging for load balancer '%d' in ZXTM...", dbLoadBalancer.getId()));
                reverseProxyLoadBalancerService.updateConnectionLogging(dbLoadBalancer);
                LOG.debug(String.format("Successfully updated connection logging for load balancer '%d' in Zeus.", dbLoadBalancer.getId()));
            }
        } catch (Exception e) {
            loadBalancerService.setStatus(dbLoadBalancer, LoadBalancerStatus.ERROR);
            String alertDescription = String.format("Error updating connection logging for load balancer '%d' in Zeus.", dbLoadBalancer.getId());
            LOG.error(alertDescription, e);
            notificationService.saveAlert(dbLoadBalancer.getAccountId(), dbLoadBalancer.getId(), e, ZEUS_FAILURE.name(), alertDescription);
            sendErrorToEventResource(queueLb);
            return;
        }

        String desc = "Connection logging successully set to " + dbLoadBalancer.isConnectionLogging().toString();
        notificationService.saveLoadBalancerEvent(queueLb.getUserName(), dbLoadBalancer.getAccountId(), dbLoadBalancer.getId(), UPDATE_LOGGING_TITLE, desc, UPDATE_CONNECTION_LOGGING, UPDATE, EventSeverity.INFO);


        // Update load balancer status in DB
        loadBalancerService.setStatus(dbLoadBalancer, LoadBalancerStatus.ACTIVE);

        LOG.info("Update connection logging operation complete.");
    }

    private void sendErrorToEventResource(LoadBalancer lb) {
        String title = "Error Updating Connection Logging";
        String desc = "Could not update connection logging at this time.";
        notificationService.saveLoadBalancerEvent(lb.getUserName(), lb.getAccountId(), lb.getId(), title, desc, UPDATE_CONNECTION_LOGGING, UPDATE, CRITICAL);
    }
}