AutoScale. Re-organized NetScalerResource. Bringing autoscale functions in a logical order.

This commit is contained in:
Vijay venkatachalam 2012-09-20 14:18:58 +05:30 committed by Vijay Venkatachalam
parent eec892dfbc
commit 3ceebc140a

View File

@ -47,7 +47,8 @@ import com.citrix.netscaler.nitro.resource.config.network.vlan_nsip_binding;
import com.citrix.netscaler.nitro.resource.config.ns.nsconfig;
import com.citrix.netscaler.nitro.resource.config.ns.nshardware;
import com.citrix.netscaler.nitro.resource.config.ns.nsip;
import com.citrix.netscaler.nitro.resource.config.autoscale.*;
import com.citrix.netscaler.nitro.resource.config.timer.timerpolicy;
import com.citrix.netscaler.nitro.resource.config.timer.timertrigger_timerpolicy_binding;
import com.citrix.netscaler.nitro.resource.stat.lb.lbvserver_stats;
import com.citrix.netscaler.nitro.service.nitro_service;
import com.citrix.netscaler.nitro.util.filtervalue;
@ -1271,7 +1272,7 @@ public class NetscalerResource implements ServerResource {
}
private boolean nsServiceGroupExisits(String lbVServerName ) throws ExecutionException {
private boolean nsServiceGroupExists(String lbVServerName ) throws ExecutionException {
try {
return servicegroup.get(_netscalerService, lbVServerName) != null;
} catch (nitro_exception e) {
@ -1460,202 +1461,30 @@ public class NetscalerResource implements ServerResource {
}
}
private boolean isScaleUpPolicy(AutoScalePolicyTO autoScalePolicyTO) {
return autoScalePolicyTO.getAction().equals("scaleup");
}
public synchronized void applyAutoScaleConfig(LoadBalancerTO loadBalancer) throws Exception, ExecutionException {
private boolean isScaleDownPolicy(AutoScalePolicyTO autoScalePolicyTO) {
return autoScalePolicyTO.getAction().equals("scaledown");
}
private void removeAutoScalePolicy(String timerName, String policyName, boolean isCleanUp) throws Exception {
// unbind timer policy
// unbbind timer trigger lb_astimer -policyName lb_policy_scaleUp
com.citrix.netscaler.nitro.resource.config.timer.timertrigger_timerpolicy_binding timer_policy_binding = new com.citrix.netscaler.nitro.resource.config.timer.timertrigger_timerpolicy_binding();
try {
timer_policy_binding.set_name(timerName);
timer_policy_binding.set_policyname(policyName);
timer_policy_binding.set_global("DEFAULT");
timer_policy_binding.delete(_netscalerService, timer_policy_binding);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
AutoScaleVmGroupTO vmGroupTO = loadBalancer.getAutoScaleVmGroupTO();
if(!isAutoScaleSupportedInNetScaler()) {
throw new ExecutionException("AutoScale not supported in this version of NetScaler");
}
// Removing Timer policy
// rm timer policy lb_policy_scaleUp_cpu_mem
com.citrix.netscaler.nitro.resource.config.timer.timerpolicy timerPolicy = new com.citrix.netscaler.nitro.resource.config.timer.timerpolicy();
try {
timerPolicy.set_name(policyName);
timerPolicy.delete(_netscalerService, timerPolicy);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
if(vmGroupTO.getState().equals("new")) {
assert !loadBalancer.isRevoked();
createAutoScaleConfig(loadBalancer);
}
}
@SuppressWarnings("static-access")
private synchronized boolean removeAutoScaleConfig(LoadBalancerTO loadBalancerTO) throws Exception, ExecutionException {
String srcIp = loadBalancerTO.getSrcIp();
int srcPort = loadBalancerTO.getSrcPort();
String nsVirtualServerName = generateNSVirtualServerName(srcIp, srcPort);
String serviceGroupName = generateAutoScaleServiceGroupName(srcIp, srcPort);
disableAutoScaleConfig(loadBalancerTO, false);
if(isServiceGroupBoundToVirtualServer(nsVirtualServerName, serviceGroupName)) {
// UnBind autoscale service group
// unbind lb vserver lb lb_autoscaleGroup
lbvserver_servicegroup_binding vserver_servicegroup_binding = new lbvserver_servicegroup_binding();
vserver_servicegroup_binding.set_name(nsVirtualServerName);
vserver_servicegroup_binding.set_servicegroupname(serviceGroupName);
vserver_servicegroup_binding.delete(_netscalerService, vserver_servicegroup_binding);
else if(loadBalancer.isRevoked() || vmGroupTO.getState().equals("revoke")) {
removeAutoScaleConfig(loadBalancer);
}
if(nsServiceGroupExisits(serviceGroupName)) {
// Remove autoscale service group
com.citrix.netscaler.nitro.resource.config.basic.servicegroup serviceGroup = new com.citrix.netscaler.nitro.resource.config.basic.servicegroup();
serviceGroup.set_servicegroupname(serviceGroupName);
serviceGroup.delete(_netscalerService, serviceGroup);
else if(vmGroupTO.getState().equals("enabled")) {
assert !loadBalancer.isRevoked();
enableAutoScaleConfig(loadBalancer, false);
}
removeLBVirtualServer(nsVirtualServerName);
return true;
}
@SuppressWarnings("static-access")
private synchronized boolean disableAutoScaleConfig(LoadBalancerTO loadBalancerTO, boolean isCleanUp) throws Exception {
String srcIp = loadBalancerTO.getSrcIp();
int srcPort = loadBalancerTO.getSrcPort();
String nsVirtualServerName = generateNSVirtualServerName(srcIp, srcPort);
String profileName = generateAutoScaleProfileName(srcIp, srcPort);
String timerName = generateAutoScaleTimerName(srcIp, srcPort);
String scaleDownActionName = generateAutoScaleScaleDownActionName(srcIp, srcPort);
String scaleUpActionName = generateAutoScaleScaleUpActionName(srcIp, srcPort);
String mtName = generateSnmpMetricTableName(srcIp, srcPort);
String monitorName = generateSnmpMonitorName(srcIp, srcPort);
String serviceGroupName = generateAutoScaleServiceGroupName(srcIp, srcPort);
AutoScaleVmGroupTO vmGroupTO = loadBalancerTO.getAutoScaleVmGroupTO();
List<AutoScalePolicyTO> policies = vmGroupTO.getPolicies();
String minMemberPolicyName = generateAutoScaleMinPolicyName(srcIp, srcPort);
String maxMemberPolicyName = generateAutoScaleMaxPolicyName(srcIp, srcPort);
try {
/* Delete min/max member policies */
removeAutoScalePolicy(timerName, minMemberPolicyName, isCleanUp);
removeAutoScalePolicy(timerName, maxMemberPolicyName, isCleanUp);
boolean isSnmp = false;
/* Create Counters */
for (AutoScalePolicyTO autoScalePolicyTO : policies) {
List<ConditionTO> conditions = autoScalePolicyTO.getConditions();
for (ConditionTO conditionTO : conditions) {
CounterTO counterTO = conditionTO.getCounter();
if(counterTO.getSource().equals("snmp")) {
isSnmp = true;
break;
}
}
String policyId = Long.toString(autoScalePolicyTO.getId());
String policyName = generateAutoScalePolicyName(srcIp, srcPort,policyId);
// Removing Timer policy
removeAutoScalePolicy(timerName, policyName, isCleanUp);
}
/* Delete AutoScale Config */
// Delete AutoScale ScaleDown action
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction scaleDownAction = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction();
try {
scaleDownAction.set_name(scaleDownActionName);
scaleDownAction.delete(_netscalerService, scaleDownAction);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete AutoScale ScaleUp action
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction scaleUpAction = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction();
try {
scaleUpAction.set_name(scaleUpActionName);
scaleUpAction.delete(_netscalerService, scaleUpAction);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Timer
com.citrix.netscaler.nitro.resource.config.timer.timertrigger timer = new com.citrix.netscaler.nitro.resource.config.timer.timertrigger();
try {
timer.set_name(timerName);
timer.delete(_netscalerService, timer);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete AutoScale Profile
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleprofile autoscaleProfile = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleprofile();
try {
autoscaleProfile.set_name(profileName);
autoscaleProfile.delete(_netscalerService, autoscaleProfile);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
if(isSnmp) {
com.citrix.netscaler.nitro.resource.config.lb.lbmonitor_servicegroup_binding monitor_servicegroup_binding = new com.citrix.netscaler.nitro.resource.config.lb.lbmonitor_servicegroup_binding();
try {
monitor_servicegroup_binding.set_monitorname(monitorName);
monitor_servicegroup_binding.set_servicegroupname(serviceGroupName);
monitor_servicegroup_binding.delete(_netscalerService, monitor_servicegroup_binding);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Monitor
// rm lb monitor lb_metric_table_mon
com.citrix.netscaler.nitro.resource.config.lb.lbmonitor monitor = new com.citrix.netscaler.nitro.resource.config.lb.lbmonitor();
try {
monitor.set_monitorname(monitorName);
monitor.set_type("LOAD");
monitor.delete(_netscalerService, monitor);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Metric Table
com.citrix.netscaler.nitro.resource.config.lb.lbmetrictable metricTable = new com.citrix.netscaler.nitro.resource.config.lb.lbmetrictable();
try {
metricTable.set_metrictable(mtName);
metricTable.delete(_netscalerService, metricTable);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
}
} catch (Exception ex) {
if(!isCleanUp) {
// Normal course, exception has occurred
enableAutoScaleConfig(loadBalancerTO, true);
throw ex;
} else {
// Programming error
throw ex;
}
else if(vmGroupTO.getState().equals("disabled")) {
assert !loadBalancer.isRevoked();
disableAutoScaleConfig(loadBalancer, false);
} else {
///// This should never happen
throw new ExecutionException("Unknown vmGroup State :" + vmGroupTO.getState());
}
return true;
}
@SuppressWarnings("static-access")
@ -1673,7 +1502,7 @@ public class NetscalerResource implements ServerResource {
addLBVirtualServer(nsVirtualServerName, srcIp, srcPort, lbAlgorithm, lbProtocol, loadBalancerTO.getStickinessPolicies(), vmGroupTO);
String serviceGroupName = generateAutoScaleServiceGroupName(srcIp, srcPort);
if(!nsServiceGroupExisits(serviceGroupName)) {
if(!nsServiceGroupExists(serviceGroupName)) {
// add servicegroup lb_autoscaleGroup -autoscale POLICY -memberPort 80
int memberPort = vmGroupTO.getMemberPort();
try {
@ -1707,6 +1536,45 @@ public class NetscalerResource implements ServerResource {
return true;
}
@SuppressWarnings("static-access")
private synchronized boolean removeAutoScaleConfig(LoadBalancerTO loadBalancerTO) throws Exception, ExecutionException {
String srcIp = loadBalancerTO.getSrcIp();
int srcPort = loadBalancerTO.getSrcPort();
String nsVirtualServerName = generateNSVirtualServerName(srcIp, srcPort);
String serviceGroupName = generateAutoScaleServiceGroupName(srcIp, srcPort);
disableAutoScaleConfig(loadBalancerTO, false);
if(isServiceGroupBoundToVirtualServer(nsVirtualServerName, serviceGroupName)) {
// UnBind autoscale service group
// unbind lb vserver lb lb_autoscaleGroup
lbvserver_servicegroup_binding vserver_servicegroup_binding = new lbvserver_servicegroup_binding();
try {
vserver_servicegroup_binding.set_name(nsVirtualServerName);
vserver_servicegroup_binding.set_servicegroupname(serviceGroupName);
vserver_servicegroup_binding.delete(_netscalerService, vserver_servicegroup_binding);
} catch (Exception e) {
throw e;
}
}
if(nsServiceGroupExists(serviceGroupName)) {
// Remove autoscale service group
com.citrix.netscaler.nitro.resource.config.basic.servicegroup serviceGroup = new com.citrix.netscaler.nitro.resource.config.basic.servicegroup();
try {
serviceGroup.set_servicegroupname(serviceGroupName);
serviceGroup.delete(_netscalerService, serviceGroup);
} catch (Exception e) {
throw e;
}
}
removeLBVirtualServer(nsVirtualServerName);
return true;
}
@SuppressWarnings("static-access")
private synchronized boolean enableAutoScaleConfig(LoadBalancerTO loadBalancerTO, boolean isCleanUp) throws Exception {
String srcIp = loadBalancerTO.getSrcIp();
@ -1996,6 +1864,140 @@ public class NetscalerResource implements ServerResource {
return true;
}
@SuppressWarnings("static-access")
private synchronized boolean disableAutoScaleConfig(LoadBalancerTO loadBalancerTO, boolean isCleanUp) throws Exception {
String srcIp = loadBalancerTO.getSrcIp();
int srcPort = loadBalancerTO.getSrcPort();
String nsVirtualServerName = generateNSVirtualServerName(srcIp, srcPort);
String profileName = generateAutoScaleProfileName(srcIp, srcPort);
String timerName = generateAutoScaleTimerName(srcIp, srcPort);
String scaleDownActionName = generateAutoScaleScaleDownActionName(srcIp, srcPort);
String scaleUpActionName = generateAutoScaleScaleUpActionName(srcIp, srcPort);
String mtName = generateSnmpMetricTableName(srcIp, srcPort);
String monitorName = generateSnmpMonitorName(srcIp, srcPort);
String serviceGroupName = generateAutoScaleServiceGroupName(srcIp, srcPort);
AutoScaleVmGroupTO vmGroupTO = loadBalancerTO.getAutoScaleVmGroupTO();
List<AutoScalePolicyTO> policies = vmGroupTO.getPolicies();
String minMemberPolicyName = generateAutoScaleMinPolicyName(srcIp, srcPort);
String maxMemberPolicyName = generateAutoScaleMaxPolicyName(srcIp, srcPort);
try {
/* Delete min/max member policies */
removeAutoScalePolicy(timerName, minMemberPolicyName, isCleanUp);
removeAutoScalePolicy(timerName, maxMemberPolicyName, isCleanUp);
boolean isSnmp = false;
/* Create Counters */
for (AutoScalePolicyTO autoScalePolicyTO : policies) {
List<ConditionTO> conditions = autoScalePolicyTO.getConditions();
for (ConditionTO conditionTO : conditions) {
CounterTO counterTO = conditionTO.getCounter();
if(counterTO.getSource().equals("snmp")) {
isSnmp = true;
break;
}
}
String policyId = Long.toString(autoScalePolicyTO.getId());
String policyName = generateAutoScalePolicyName(srcIp, srcPort,policyId);
// Removing Timer policy
removeAutoScalePolicy(timerName, policyName, isCleanUp);
}
/* Delete AutoScale Config */
// Delete AutoScale ScaleDown action
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction scaleDownAction = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction();
try {
scaleDownAction.set_name(scaleDownActionName);
scaleDownAction.delete(_netscalerService, scaleDownAction);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete AutoScale ScaleUp action
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction scaleUpAction = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleaction();
try {
scaleUpAction.set_name(scaleUpActionName);
scaleUpAction.delete(_netscalerService, scaleUpAction);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Timer
com.citrix.netscaler.nitro.resource.config.timer.timertrigger timer = new com.citrix.netscaler.nitro.resource.config.timer.timertrigger();
try {
timer.set_name(timerName);
timer.delete(_netscalerService, timer);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete AutoScale Profile
com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleprofile autoscaleProfile = new com.citrix.netscaler.nitro.resource.config.autoscale.autoscaleprofile();
try {
autoscaleProfile.set_name(profileName);
autoscaleProfile.delete(_netscalerService, autoscaleProfile);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
if(isSnmp) {
com.citrix.netscaler.nitro.resource.config.lb.lbmonitor_servicegroup_binding monitor_servicegroup_binding = new com.citrix.netscaler.nitro.resource.config.lb.lbmonitor_servicegroup_binding();
try {
monitor_servicegroup_binding.set_monitorname(monitorName);
monitor_servicegroup_binding.set_servicegroupname(serviceGroupName);
monitor_servicegroup_binding.delete(_netscalerService, monitor_servicegroup_binding);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Monitor
// rm lb monitor lb_metric_table_mon
com.citrix.netscaler.nitro.resource.config.lb.lbmonitor monitor = new com.citrix.netscaler.nitro.resource.config.lb.lbmonitor();
try {
monitor.set_monitorname(monitorName);
monitor.set_type("LOAD");
monitor.delete(_netscalerService, monitor);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
// Delete Metric Table
com.citrix.netscaler.nitro.resource.config.lb.lbmetrictable metricTable = new com.citrix.netscaler.nitro.resource.config.lb.lbmetrictable();
try {
metricTable.set_metrictable(mtName);
metricTable.delete(_netscalerService, metricTable);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
}
} catch (Exception ex) {
if(!isCleanUp) {
// Normal course, exception has occurred
enableAutoScaleConfig(loadBalancerTO, true);
throw ex;
} else {
// Programming error
throw ex;
}
}
return true;
}
private synchronized void addAutoScalePolicy(String timerName,String policyName, long priority, String policyExpression, String action,
int duration, int interval, boolean isCleanUp) throws Exception {
// Adding a autoscale policy
@ -2035,32 +2037,34 @@ public class NetscalerResource implements ServerResource {
}
}
public synchronized void applyAutoScaleConfig(LoadBalancerTO loadBalancer) throws Exception, ExecutionException {
private void removeAutoScalePolicy(String timerName, String policyName, boolean isCleanUp) throws Exception {
// unbind timer policy
// unbbind timer trigger lb_astimer -policyName lb_policy_scaleUp
com.citrix.netscaler.nitro.resource.config.timer.timertrigger_timerpolicy_binding timer_policy_binding = new com.citrix.netscaler.nitro.resource.config.timer.timertrigger_timerpolicy_binding();
try {
timer_policy_binding.set_name(timerName);
timer_policy_binding.set_policyname(policyName);
timer_policy_binding.set_global("DEFAULT");
timer_policy_binding.delete(_netscalerService, timer_policy_binding);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
AutoScaleVmGroupTO vmGroupTO = loadBalancer.getAutoScaleVmGroupTO();
if(!isAutoScaleSupportedInNetScaler()) {
throw new ExecutionException("AutoScale not supported in this version of NetScaler");
}
if(vmGroupTO.getState().equals("new")) {
assert !loadBalancer.isRevoked();
createAutoScaleConfig(loadBalancer);
}
else if(loadBalancer.isRevoked() || vmGroupTO.getState().equals("revoke")) {
removeAutoScaleConfig(loadBalancer);
}
else if(vmGroupTO.getState().equals("enabled")) {
assert !loadBalancer.isRevoked();
enableAutoScaleConfig(loadBalancer, false);
}
else if(vmGroupTO.getState().equals("disabled")) {
assert !loadBalancer.isRevoked();
disableAutoScaleConfig(loadBalancer, false);
} else {
///// This should never happen
throw new ExecutionException("Unknown vmGroup State :" + vmGroupTO.getState());
// Removing Timer policy
// rm timer policy lb_policy_scaleUp_cpu_mem
com.citrix.netscaler.nitro.resource.config.timer.timerpolicy timerPolicy = new com.citrix.netscaler.nitro.resource.config.timer.timerpolicy();
try {
timerPolicy.set_name(policyName);
timerPolicy.delete(_netscalerService, timerPolicy);
} catch (Exception e) {
// Ignore Exception on cleanup
if(!isCleanUp) throw e;
}
}
private boolean isAutoScaleSupportedInNetScaler() throws ExecutionException {
autoscaleprofile autoscaleProfile = new autoscaleprofile();
try {
@ -2076,6 +2080,14 @@ public class NetscalerResource implements ServerResource {
return true;
}
private boolean isScaleUpPolicy(AutoScalePolicyTO autoScalePolicyTO) {
return autoScalePolicyTO.getAction().equals("scaleup");
}
private boolean isScaleDownPolicy(AutoScalePolicyTO autoScalePolicyTO) {
return autoScalePolicyTO.getAction().equals("scaledown");
}
private void saveConfiguration() throws ExecutionException {
try {
apiCallResult = nsconfig.save(_netscalerService);