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CLOUDSTACK-2741: [GSLB] GSLB service doesn't come up if the LB rule

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mapped to it is serviced by VR

For remote LB services that are not running on NetScaler, there needs to
be a LB monitor bound to GSLB service. Otherwise service is shown down.
This fix binds a LB monitor with GSLB services.
This commit is contained in:
Murali Reddy 2013-06-05 12:10:36 +05:30
parent 402cc917b9
commit 6a92f3b8ac
1 changed files with 38 additions and 0 deletions
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38
plugins/network-elements/netscaler/src/com/cloud/network/resource/NetscalerResource.java
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@ -904,6 +904,27 @@ public class NetscalerResource implements ServerResource {
// Bind 'gslbservice' service object to GSLB virtual server
GSLB.createVserverServiceBinding(_netscalerService, serviceName, vserverName);
// create a monitor for the service running on the site
lbmonitor newmonitor = new lbmonitor();
String monitorName = GSLB.generateGslbServiceMonitorName(servicePublicIp);
newmonitor.set_type("TCP");
newmonitor.set_servicename(serviceName);
newmonitor.set_monitorname(monitorName);
newmonitor.set_state("ENABLED");
lbmonitor.add(_netscalerService, newmonitor);
// bind the monitor to the GSLB servie
try {
gslbservice_lbmonitor_binding monitorBinding = new gslbservice_lbmonitor_binding();
monitorBinding.set_monitor_name(monitorName);
monitorBinding.set_servicename(serviceName);
gslbservice_lbmonitor_binding.add(_netscalerService, monitorBinding);
} catch (Exception e) {
// TODO: Nitro API version 10.* is not compatible for NetScalers 9.*, so may fail
// against NetScaler version lesser than 10 hence ignore the exception
s_logger.warn("Failed to bind monitor to GSLB service due to " + e.getMessage());
}
} else {
// Unbind GSLB service with GSLB virtual server
GSLB.deleteVserverServiceBinding(_netscalerService, serviceName, vserverName);
@ -911,6 +932,19 @@ public class NetscalerResource implements ServerResource {
// delete 'gslbservice' object
gslbservice service = GSLB.getServiceObject(_netscalerService, serviceName);
GSLB.deleteService(_netscalerService, serviceName);
// delete the GSLB service monitor
String monitorName = GSLB.generateGslbServiceMonitorName(servicePublicIp);
try {
lbmonitor serviceMonitor = lbmonitor.get(_netscalerService, monitorName);
if (serviceMonitor != null) {
lbmonitor.delete(_netscalerService, serviceMonitor);
}
} catch (nitro_exception ne) {
if (ne.getErrorCode() != NitroError.NS_RESOURCE_NOT_EXISTS) {
s_logger.warn("Failed to delete monitor "+ monitorName + " for GSLB service due to " + ne.getMessage());
}
}
}
if (site.forRevoke()) { // delete the site if its for revoke
@ -1469,6 +1503,10 @@ public class NetscalerResource implements ServerResource {
return "cloud-gslb-service-" + siteName + "-" + publicIp + "-" + publicPort;
}
private static String generateGslbServiceMonitorName(String publicIp) {
return "cloud-monitor-" + publicIp;
}
private static boolean gslbServerExists(nitro_service client, String serverName) throws ExecutionException {
try {
if (com.citrix.netscaler.nitro.resource.config.basic.server.get(client, serverName) != null) {