Examples with InstancesResponse com.tencent.polaris.api.rpc.InstancesResponse used on opensource projects

Example 1 with InstancesResponse

use of com.tencent.polaris.api.rpc.InstancesResponse in project polaris-java by polarismesh.

the class CircuitBreakerTest method testCircuitBreakByErrorRate.

@Test
public void testCircuitBreakByErrorRate() {
    Configuration configuration = TestUtils.configWithEnvAddress();
    try (ConsumerAPI consumerAPI = DiscoveryAPIFactory.createConsumerAPIByConfig(configuration)) {
        GetInstancesRequest getInstancesRequest = new GetInstancesRequest();
        getInstancesRequest.setNamespace(NAMESPACE_TEST);
        getInstancesRequest.setService(SERVICE_CIRCUIT_BREAKER);
        InstancesResponse instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
        Instance instanceToLimit = instances.getInstances()[1];
        // report 60 fail in 500ms
        for (int i = 0; i < 60; ++i) {
            ServiceCallResult result = instanceToResult(instanceToLimit);
            result.setDelay(1000L);
            if (i % 2 == 0) {
                result.setRetCode(0);
                result.setRetStatus(RetStatus.RetSuccess);
                Utils.sleepUninterrupted(1);
            } else {
                result.setRetCode(-1);
                result.setRetStatus(RetStatus.RetFail);
            }
            consumerAPI.updateServiceCallResult(result);
            Utils.sleepUninterrupted(1);
        }
        Utils.sleepUninterrupted(1000);
        instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT - 1, instances.getInstances().length);
        Instance[] instanceArray = instances.getInstances();
        boolean exists = false;
        for (int i = 0; i < instanceArray.length; ++i) {
            if (instanceArray[i].getId().equals(instanceToLimit.getId())) {
                exists = true;
            }
        }
        Assert.assertFalse(exists);
        Utils.sleepUninterrupted(10000);
        // default halfopen pass 3 success
        int requestCountAfterHalfOpen = configuration.getConsumer().getCircuitBreaker().getRequestCountAfterHalfOpen();
        for (int i = 0; i < requestCountAfterHalfOpen; i++) {
            ServiceCallResult result = instanceToResult(instanceToLimit);
            result.setRetCode(-1);
            result.setRetStatus(RetStatus.RetSuccess);
            consumerAPI.updateServiceCallResult(result);
            Utils.sleepUninterrupted(200);
            consumerAPI.updateServiceCallResult(result);
        }
        LOG.info("start to test half open to close");
        Utils.sleepUninterrupted(1000);
        instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
    }
}

Example 2 with InstancesResponse

use of com.tencent.polaris.api.rpc.InstancesResponse in project polaris-java by polarismesh.

the class CircuitBreakerTest method testUpdateServiceCallResult.

@Test
public void testUpdateServiceCallResult() {
    Configuration configuration = TestUtils.configWithEnvAddress();
    try (ConsumerAPI consumerAPI = DiscoveryAPIFactory.createConsumerAPIByConfig(configuration)) {
        int index = 1;
        GetInstancesRequest req = new GetInstancesRequest();
        req.setNamespace(NAMESPACE_TEST);
        req.setService(SERVICE_CIRCUIT_BREAKER);
        InstancesResponse instances = consumerAPI.getInstances(req);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
        Instance instanceToLimit = instances.getInstances()[index];
        ServiceCallResult result = instanceToResult(instanceToLimit);
        result.setRetCode(-1);
        result.setDelay(1000L);
        result.setRetStatus(RetStatus.RetFail);
        consumerAPI.updateServiceCallResult(result);
    }
}

Example 3 with InstancesResponse

use of com.tencent.polaris.api.rpc.InstancesResponse in project polaris-java by polarismesh.

the class CircuitBreakerTest method testCircuitBreakByErrorCount.

@Test
public void testCircuitBreakByErrorCount() {
    Configuration configuration = TestUtils.configWithEnvAddress();
    try (ConsumerAPI consumerAPI = DiscoveryAPIFactory.createConsumerAPIByConfig(configuration)) {
        Utils.sleepUninterrupted(10000);
        Assert.assertNotNull(consumerAPI);
        GetInstancesRequest getInstancesRequest = new GetInstancesRequest();
        getInstancesRequest.setNamespace(NAMESPACE_TEST);
        getInstancesRequest.setService(SERVICE_CIRCUIT_BREAKER);
        InstancesResponse instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
        Instance instanceToLimit = instances.getInstances()[1];
        // report 60 fail in 500ms
        for (int i = 0; i < 60; ++i) {
            ServiceCallResult result = instanceToResult(instanceToLimit);
            result.setRetCode(-1);
            result.setDelay(1000L);
            result.setRetStatus(RetStatus.RetFail);
            consumerAPI.updateServiceCallResult(result);
            if (i % 10 == 0) {
                Utils.sleepUninterrupted(1);
            }
        }
        Utils.sleepUninterrupted(1000);
        instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT - 1, instances.getInstances().length);
        Instance[] instanceArray = instances.getInstances();
        boolean exists = false;
        for (int i = 0; i < instanceArray.length; ++i) {
            if (instanceArray[i].getId().equals(instanceToLimit.getId())) {
                exists = true;
            }
        }
        Assert.assertFalse(exists);
        LOG.info("start to test half open by error rate");
        Utils.sleepUninterrupted(10000);
        instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
        for (Instance instance : instances.getInstances()) {
            CircuitBreakerStatus circuitBreakerStatus = instance.getCircuitBreakerStatus();
            if (null != circuitBreakerStatus && circuitBreakerStatus.getStatus() == CircuitBreakerStatus.Status.HALF_OPEN) {
                LOG.info("half open instance is {}", instance);
            }
        }
        // default halfopen pass 3 success
        int requestCountAfterHalfOpen = configuration.getConsumer().getCircuitBreaker().getRequestCountAfterHalfOpen();
        for (int i = 0; i < requestCountAfterHalfOpen; i++) {
            ServiceCallResult result = instanceToResult(instanceToLimit);
            result.setRetCode(-1);
            result.setRetStatus(RetStatus.RetSuccess);
            consumerAPI.updateServiceCallResult(result);
            Utils.sleepUninterrupted(200);
            consumerAPI.updateServiceCallResult(result);
        }
        LOG.info("start to test half open to close");
        Utils.sleepUninterrupted(1000);
        instances = consumerAPI.getInstances(getInstancesRequest);
        Assert.assertEquals(MAX_COUNT, instances.getInstances().length);
    }
}

Example 4 with InstancesResponse

use of com.tencent.polaris.api.rpc.InstancesResponse in project polaris-java by polarismesh.

the class CircuitBreakExample method getAvailableInstances.

private static Instance[] getAvailableInstances(ConsumerAPI consumerAPI, InitResult initResult) {
    GetInstancesRequest getInstancesRequest = new GetInstancesRequest();
    getInstancesRequest.setNamespace(initResult.getNamespace());
    getInstancesRequest.setService(initResult.getService());
    InstancesResponse instances = consumerAPI.getInstances(getInstancesRequest);
    return instances.getInstances();
}

Example 5 with InstancesResponse

use of com.tencent.polaris.api.rpc.InstancesResponse in project polaris-java by polarismesh.

the class WatchFlow method watchService.

private WatchServiceResponse watchService(CommonWatchServiceRequest request) throws PolarisException {
    initFlow();
    ServiceKey serviceKey = request.getSvcEventKey().getServiceKey();
    InstancesResponse response = syncFlow.commonSyncGetAllInstances(request.getAllRequest());
    watchers.computeIfAbsent(request.getSvcEventKey().getServiceKey(), key -> Collections.synchronizedSet(new HashSet<>()));
    boolean result = watchers.get(serviceKey).addAll(request.getWatchServiceRequest().getListeners());
    return new WatchServiceResponse(response, result);
}