Examples with StatusDimension com.tencent.polaris.api.pojo.StatusDimension used on opensource projects

Example 1 with StatusDimension

use of com.tencent.polaris.api.pojo.StatusDimension in project polaris-java by polarismesh.

the class ErrRateCircuitBreaker method stat.

@Override
public boolean stat(InstanceGauge gauge) {
    InstanceByProto instance = ChangeStateUtils.getInstance(gauge, localRegistry);
    if (null == instance) {
        return false;
    }
    InstanceLocalValue instanceLocalValue = instance.getInstanceLocalValue();
    if (null == instanceLocalValue) {
        return false;
    }
    ConfigSet<Config> configSet = CircuitBreakUtils.getConfigSet(gauge, this);
    StatusDimension statusDimension = ChangeStateUtils.buildStatusDimension(gauge, configSet.getLevel());
    if (CircuitBreakUtils.instanceClose(instance, statusDimension)) {
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        ErrRateCounter errRateCounter = (ErrRateCounter) pluginValue;
        SliceWindow metricWindow = errRateCounter.getSliceWindow(statusDimension);
        metricWindow.addGauge((bucket -> {
            bucket.addMetric(Dimension.keyRequestCount.ordinal(), 1);
            if (gauge.getRetStatus() == RetStatus.RetFail) {
                return bucket.addMetric(Dimension.keyFailCount.ordinal(), 1);
            }
            return bucket.getMetric(Dimension.keyFailCount.ordinal());
        }));
    } else if (CircuitBreakUtils.instanceHalfOpen(instance, statusDimension)) {
        // 半开计数器
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        HalfOpenCounter consecutiveCounter = (HalfOpenCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        return consecutiveCounter.triggerHalfOpenConversion(statusDimension, retStatus, configSet.getHalfOpenConfig());
    }
    return false;
}

Example 2 with StatusDimension

use of com.tencent.polaris.api.pojo.StatusDimension in project polaris-java by polarismesh.

the class ChangeStateUtils method buildCircuitBreakResult.

/**
 * 构建熔断结果
 *
 * @param stateMachine 熔断状态机
 * @param instances 实例集
 * @param parameter 熔断参数
 * @param <T> 配置类型
 * @return 结果
 */
public static <T extends Verifier> CircuitBreakResult buildCircuitBreakResult(StateMachine<T> stateMachine, Collection<Instance> instances, StateMachine.Parameter parameter) {
    long curTimeMs = System.currentTimeMillis();
    CircuitBreakResult result = new CircuitBreakResult(curTimeMs, parameter.getHalfOpenMaxReqCount());
    String cbName = parameter.getCircuitBreakerName();
    for (Instance instance : instances) {
        Set<StatusDimension> statusDimensions = stateMachine.getStatusDimensions(instance, parameter);
        if (CollectionUtils.isEmpty(statusDimensions)) {
            continue;
        }
        String instanceId = instance.getId();
        for (StatusDimension statusDimension : statusDimensions) {
            if (stateMachine.closeToOpen(instance, statusDimension, parameter)) {
                result.getInstancesToOpen().put(new ResultKey(instanceId, statusDimension), instance);
                LOG.info("circuitBreaker: instance {} and dimension {} changed from close to open by {}", instanceId, statusDimension, cbName);
                continue;
            }
            if (stateMachine.openToHalfOpen(instance, statusDimension, parameter)) {
                result.getInstancesToHalfOpen().put(new ResultKey(instanceId, statusDimension), instance);
                LOG.info("circuitBreaker: instance {} and dimension {} changed from open to halfOpen by {}", instanceId, statusDimension, cbName);
                continue;
            }
            if (stateMachine.halfOpenToOpen(instance, statusDimension, parameter)) {
                result.getInstancesToOpen().put(new ResultKey(instanceId, statusDimension), instance);
                LOG.info("circuitBreaker: instance {} and dimension {} changed from halfOpen to open by {}", instanceId, statusDimension, cbName);
                continue;
            }
            if (stateMachine.halfOpenToClose(instance, statusDimension, parameter)) {
                result.getInstancesToClose().put(new ResultKey(instanceId, statusDimension), instance);
                LOG.info("circuitBreaker: instance {} and dimension {} changed from halfOpen to close by {}", instanceId, statusDimension, cbName);
            }
        }
    }
    return result;
}

Example 3 with StatusDimension

use of com.tencent.polaris.api.pojo.StatusDimension in project polaris-java by polarismesh.

the class ConsecutiveCircuitBreaker method stat.

@Override
public boolean stat(InstanceGauge gauge) {
    InstanceByProto instance = ChangeStateUtils.getInstance(gauge, localRegistry);
    if (null == instance) {
        return false;
    }
    InstanceLocalValue instanceLocalValue = instance.getInstanceLocalValue();
    if (null == instanceLocalValue) {
        return false;
    }
    ConfigSet<Config> configSet = CircuitBreakUtils.getConfigSet(gauge, this);
    StatusDimension statusDimension = ChangeStateUtils.buildStatusDimension(gauge, configSet.getLevel());
    if (CircuitBreakUtils.instanceClose(instance, statusDimension)) {
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        ConsecutiveCounter consecutiveCounter = (ConsecutiveCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        int failCount;
        if (retStatus == RetStatus.RetFail) {
            failCount = consecutiveCounter.onFail(statusDimension);
        } else {
            consecutiveCounter.resetCounter(statusDimension);
            failCount = 0;
        }
        return failCount == configSet.getPlugConfig().getContinuousErrorThreshold();
    } else if (CircuitBreakUtils.instanceHalfOpen(instance, statusDimension)) {
        // 半开计数器
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        HalfOpenCounter consecutiveCounter = (HalfOpenCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        return consecutiveCounter.triggerHalfOpenConversion(statusDimension, retStatus, configSet.getHalfOpenConfig());
    }
    return false;
}

Example 4 with StatusDimension

use of com.tencent.polaris.api.pojo.StatusDimension in project polaris-java by polarismesh.

the class InstancesCircuitBreakTask method buildInstanceProperty.

@SuppressWarnings("unchecked")
private void buildInstanceProperty(long now, Map<ResultKey, Instance> results, int maxRequestAfterHalfOpen, Map<String, InstanceProperty> instanceProperties, String cbName, CircuitBreakerStatus.Status status) {
    if (MapUtils.isEmpty(results)) {
        return;
    }
    for (Map.Entry<ResultKey, Instance> entry : results.entrySet()) {
        ResultKey resultKey = entry.getKey();
        Instance instance = entry.getValue();
        String instId = resultKey.getInstId();
        InstanceProperty instanceProperty = instanceProperties.get(instId);
        if (null == instanceProperty) {
            Map<String, Object> properties = new HashMap<>();
            properties.put(PROPERTY_CIRCUIT_BREAKER_STATUS, new HashMap<StatusDimension, CircuitBreakerStatus>());
            instanceProperty = new InstanceProperty(instance, properties);
            instanceProperties.put(instId, instanceProperty);
        }
        Map<StatusDimension, CircuitBreakerStatus> statusMap = (Map<StatusDimension, CircuitBreakerStatus>) instanceProperty.getProperties().get(PROPERTY_CIRCUIT_BREAKER_STATUS);
        statusMap.put(resultKey.getStatusDimension(), new CircuitBreakerStatus(cbName, status, now));
    }
}

Example 5 with StatusDimension

use of com.tencent.polaris.api.pojo.StatusDimension in project polaris-java-agent by polarismesh.

the class InstanceInvoker method circuitBreakersToString.

public static String circuitBreakersToString(Instance instance) {
    List<String> values = new ArrayList<>();
    Collection<StatusDimension> statusDimensions = instance.getStatusDimensions();
    if (null != statusDimensions && statusDimensions.size() > 0) {
        for (StatusDimension statusDimension : statusDimensions) {
            CircuitBreakerStatus circuitBreakerStatus = instance.getCircuitBreakerStatus(statusDimension);
            if (null != circuitBreakerStatus) {
                values.add(statusDimension.getMethod() + SEP_CIRCUIT_BREAKER_VALUE + circuitBreakerStatus.getStatus().name());
            }
        }
    }
    if (values.isEmpty()) {
        return "";
    }
    return String.join(SEP_CIRCUIT_BREAKER, values.toArray(new String[0]));
}