Package org.apache.stratos.autoscaler

Examples of org.apache.stratos.autoscaler.AutoscalerContext


            }
          return null;
        }
        String clusterId = member.getClusterId();

        AutoscalerContext asCtx = AutoscalerContext.getInstance();
        AbstractMonitor monitor;

        if(asCtx.monitorExist(clusterId)){
            monitor = asCtx.getMonitor(clusterId);
        }else if(asCtx.lbMonitorExist(clusterId)){
            monitor = asCtx.getLBMonitor(clusterId);
        }else{
            if(log.isDebugEnabled()){
                log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
            }
            return null;
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        }
    }

    private void handleMemberFaultEvent(String clusterId, String memberId) {
        try {
          AutoscalerContext asCtx = AutoscalerContext.getInstance();
          AbstractMonitor monitor;
         
          if(asCtx.monitorExist(clusterId)){
            monitor = asCtx.getMonitor(clusterId);
          }else if(asCtx.lbMonitorExist(clusterId)){
            monitor = asCtx.getLBMonitor(clusterId);
          }else{
                if(log.isDebugEnabled()){
                    log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                }
                return;
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                if (log.isDebugEnabled()) {
                    log.debug(String.format("Avg load avg event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setAverageLoadAverage(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new AverageMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {

                AverageMemoryConsumptionEvent e = (AverageMemoryConsumptionEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Avg Memory Consumption event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }

                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setAverageMemoryConsumption(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new AverageRequestsInFlightEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {

                AverageRequestsInFlightEvent e = (AverageRequestsInFlightEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();
                Float floatValue = e.getValue();


                if (log.isDebugEnabled()) {
                    log.debug(String.format("Average Rif event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setAverageRequestsInFlight(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new GradientOfLoadAverageEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                GradientOfLoadAverageEvent e = (GradientOfLoadAverageEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Grad of load avg event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setLoadAverageGradient(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new GradientOfMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {

                GradientOfMemoryConsumptionEvent e = (GradientOfMemoryConsumptionEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Grad of Memory Consumption event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                };
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setMemoryConsumptionGradient(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new GradientOfRequestsInFlightEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                GradientOfRequestsInFlightEvent e = (GradientOfRequestsInFlightEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Gradient of Rif event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setRequestsInFlightGradient(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new MemberAverageLoadAverageEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberAverageLoadAverageEvent e = (MemberAverageLoadAverageEvent) event;
                LoadAverage loadAverage = findLoadAverage(e.getMemberId());
                if(loadAverage != null) {

                    Float floatValue = e.getValue();
                    loadAverage.setAverage(floatValue);

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member avg of load avg event: [member] %s [value] %s", e.getMemberId()
                                , floatValue));
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new MemberAverageMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberAverageMemoryConsumptionEvent e = (MemberAverageMemoryConsumptionEvent) event;
                MemoryConsumption memoryConsumption = findMemoryConsumption(e.getMemberId());
                if(memoryConsumption != null) {

                    Float floatValue = e.getValue();
                    memoryConsumption.setAverage(floatValue);

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member avg Memory Consumption event: [member] %s [value] %s", e.getMemberId(),
                                floatValue));
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new MemberFaultEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberFaultEvent e = (MemberFaultEvent) event;
                String clusterId = e.getClusterId();
                String memberId = e.getMemberId();

                if (memberId == null || memberId.isEmpty()) {
                    if(log.isErrorEnabled()) {
                        log.error("Member id not found in received message");
                    }
                } else {

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member fault event: [member] %s ", e.getMemberId()));
                    }
                    handleMemberFaultEvent(clusterId, memberId);
                }
            }

        });
        healthStatEventReceiver.addEventListener(new MemberGradientOfLoadAverageEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberGradientOfLoadAverageEvent e = (MemberGradientOfLoadAverageEvent) event;
                LoadAverage loadAverage = findLoadAverage(e.getMemberId());
                if(loadAverage != null) {

                    Float floatValue = e.getValue();
                    loadAverage.setGradient(floatValue);

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member grad of load avg event: [member] %s [value] %s", e.getMemberId(),
                                floatValue));
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new MemberGradientOfMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberGradientOfMemoryConsumptionEvent e = (MemberGradientOfMemoryConsumptionEvent) event;
                MemoryConsumption memoryConsumption = findMemoryConsumption(e.getMemberId());
                if(memoryConsumption != null) {

                    Float floatValue = e.getValue();
                    memoryConsumption.setGradient(floatValue);

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member grad of Memory Consumption event: [member] %s [value] %s", e.getMemberId(),
                                floatValue));
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new MemberSecondDerivativeOfLoadAverageEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                MemberSecondDerivativeOfLoadAverageEvent e = (MemberSecondDerivativeOfLoadAverageEvent) event;
                LoadAverage loadAverage = findLoadAverage(e.getMemberId());
                if(loadAverage != null) {

                    Float floatValue = e.getValue();
                    loadAverage.setSecondDerivative(floatValue);

                    if (log.isDebugEnabled()) {
                        log.debug(String.format("Member Second Derivation of load avg event: [member] %s [value] %s", e.getMemberId()
                                , floatValue));
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new MemberSecondDerivativeOfMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
            }

        });
        healthStatEventReceiver.addEventListener(new SecondDerivativeOfLoadAverageEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {

                SecondDerivativeOfLoadAverageEvent e = (SecondDerivativeOfLoadAverageEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Second Derivation of load avg event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setLoadAverageSecondDerivative(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }
            }

        });
        healthStatEventReceiver.addEventListener(new SecondDerivativeOfMemoryConsumptionEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {

                SecondDerivativeOfMemoryConsumptionEvent e = (SecondDerivativeOfMemoryConsumptionEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();

                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Second Derivation of Memory Consumption event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
                }
                if(null != monitor){
                    NetworkPartitionContext networkPartitionContext = monitor.getNetworkPartitionCtxt(networkPartitionId);
                    if(null != networkPartitionContext){
                        networkPartitionContext.setMemoryConsumptionSecondDerivative(floatValue);
                    } else {
                        if(log.isDebugEnabled()) {
                           log.debug(String.format("Network partition context is not available for :" +
                                   " [network partition] %s", networkPartitionId));
                        }
                    }
                }

            }

        });
        healthStatEventReceiver.addEventListener(new SecondDerivativeOfRequestsInFlightEventListener() {
            @Override
            protected void onEvent(org.apache.stratos.messaging.event.Event event) {
                SecondDerivativeOfRequestsInFlightEvent e = (SecondDerivativeOfRequestsInFlightEvent) event;
                String clusterId = e.getClusterId();
                String networkPartitionId = e.getNetworkPartitionId();
                Float floatValue = e.getValue();

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Second derivative of Rif event: [cluster] %s [network-partition] %s [value] %s",
                            clusterId, networkPartitionId, floatValue));
                }
                AutoscalerContext asCtx = AutoscalerContext.getInstance();
                AbstractMonitor monitor;

                if(asCtx.monitorExist(clusterId)){
                    monitor = asCtx.getMonitor(clusterId);
                }else if(asCtx.lbMonitorExist(clusterId)){
                    monitor = asCtx.getLBMonitor(clusterId);
                }else{
                    if(log.isDebugEnabled()){
                        log.debug(String.format("A cluster monitor is not found in autoscaler context [cluster] %s", clusterId));
                    }
                    return;
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