Examples with ServiceCombServer org.apache.servicecomb.loadbalance.ServiceCombServer used on opensource projects

Example 26 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project incubator-servicecomb-java-chassis by apache.

the class IsolationDiscoveryFilterTest method discovery_try_isolated_instance_after_singleTestTime.

@Test
public void discovery_try_isolated_instance_after_singleTestTime() {
    ServiceCombServer server0 = ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServer(data.get("i0"));
    ServiceCombServerStats serviceCombServerStats = ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServerStats(server0);
    for (int i = 0; i < 5; ++i) {
        serviceCombServerStats.markFailure();
    }
    letIsolatedInstancePassSingleTestTime(serviceCombServerStats);
    ServiceCombLoadBalancerStats.INSTANCE.markIsolated(server0, true);
    Assert.assertTrue(ServiceCombServerStats.isolatedServerCanTry());
    Assert.assertNull(TestServiceCombServerStats.getTryingIsolatedServerInvocation());
    DiscoveryTreeNode childNode = filter.discovery(discoveryContext, discoveryTreeNode);
    Map<String, MicroserviceInstance> childNodeData = childNode.data();
    Assert.assertThat(childNodeData.keySet(), Matchers.containsInAnyOrder("i0", "i1", "i2"));
    Assert.assertEquals(data.get("i0"), childNodeData.get("i0"));
    Assert.assertEquals(data.get("i1"), childNodeData.get("i1"));
    Assert.assertEquals(data.get("i2"), childNodeData.get("i2"));
    Assert.assertTrue(serviceCombServerStats.isIsolated());
    Assert.assertFalse(ServiceCombServerStats.isolatedServerCanTry());
    Assert.assertSame(invocation, TestServiceCombServerStats.getTryingIsolatedServerInvocation());
}

Example 27 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project incubator-servicecomb-java-chassis by apache.

the class CommonHttpEdgeDispatcher method onRequest.

protected void onRequest(RoutingContext context) {
    URLMappedConfigurationItem configurationItem = findConfigurationItem(context.request().uri());
    if (configurationItem == null) {
        context.next();
        return;
    }
    String uri = Utils.findActualPath(context.request().uri(), configurationItem.getPrefixSegmentCount());
    Invocation invocation = new Invocation() {

        @Override
        public String getConfigTransportName() {
            return "rest";
        }

        @Override
        public String getMicroserviceName() {
            return configurationItem.getMicroserviceName();
        }
    };
    LoadBalancer loadBalancer = getOrCreateLoadBalancer(invocation, configurationItem.getMicroserviceName(), configurationItem.getVersionRule());
    ServiceCombServer server = loadBalancer.chooseServer(invocation);
    if (server == null) {
        LOG.warn("no available server for service {}", configurationItem.getMicroserviceName());
        serverNotReadyResponse(context);
        return;
    }
    URIEndpointObject endpointObject = new URIEndpointObject(server.getEndpoint().getEndpoint());
    RequestOptions requestOptions = new RequestOptions();
    requestOptions.setHost(endpointObject.getHostOrIp()).setPort(endpointObject.getPort()).setSsl(endpointObject.isSslEnabled()).setMethod(context.request().method()).setURI(uri);
    HttpClient httpClient;
    if (endpointObject.isHttp2Enabled()) {
        httpClient = HttpClients.getClient(Http2TransportHttpClientOptionsSPI.CLIENT_NAME, false).getHttpClient();
    } else {
        httpClient = HttpClients.getClient(HttpTransportHttpClientOptionsSPI.CLIENT_NAME, false).getHttpClient();
    }
    context.request().pause();
    httpClient.request(requestOptions).compose(httpClientRequest -> {
        context.request().headers().forEach((header) -> httpClientRequest.headers().set(header.getKey(), header.getValue()));
        context.request().resume();
        context.request().handler(httpClientRequest::write);
        context.request().endHandler((v) -> httpClientRequest.end());
        return httpClientRequest.response().compose(httpClientResponse -> {
            context.response().setStatusCode(httpClientResponse.statusCode());
            httpClientResponse.headers().forEach((header) -> context.response().headers().set(header.getKey(), header.getValue()));
            httpClientResponse.handler(this.responseHandler(context));
            httpClientResponse.endHandler((v) -> context.response().end());
            return Future.succeededFuture();
        });
    }).onFailure(failure -> {
        LOG.warn("send request to target {}:{} failed, cause {}", endpointObject.getHostOrIp(), endpointObject.getPort(), failure.getMessage());
        serverNotReadyResponse(context);
    });
}

Example 28 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project incubator-servicecomb-java-chassis by apache.

the class DarklaunchServerListFilter method getFilteredListOfServers.

@Override
public List<ServiceCombServer> getFilteredListOfServers(List<ServiceCombServer> serverList, Invocation invocation) {
    DynamicStringProperty ruleStr = DynamicPropertyFactory.getInstance().getStringProperty(String.format(POLICY_SERVICE_COMB, invocation.getMicroserviceName()), null);
    if (ruleStr == null) {
        ruleStr = DynamicPropertyFactory.getInstance().getStringProperty(String.format(POLICY_CSE, invocation.getMicroserviceName()), null);
    }
    DarklaunchRule rule = DarklaunchRule.parse(ruleStr.get());
    if (rule == null) {
        return serverList;
    }
    List<ServiceCombServer> defaultGroup = new ArrayList<>();
    divideServerGroup(serverList, rule, defaultGroup);
    if (rule.getPolicyType() == PolicyType.RULE) {
        for (DarklaunchRuleItem item : rule.getRuleItems()) {
            List<ServiceCombServer> ruleServers = getRuleServers(invocation, item, defaultGroup);
            if (ruleServers != null) {
                return ruleServers;
            }
        }
    } else {
        int rate = random.nextInt(HUNDRED);
        for (DarklaunchRuleItem item : rule.getRuleItems()) {
            item.getPolicyCondition().setActual(DarklaunchRule.PROP_PERCENT, rate);
            if (item.getPolicyCondition().match()) {
                if (item.getServers().isEmpty()) {
                    return defaultGroup;
                }
                return item.getServers();
            }
            rate = rate - Integer.parseInt(item.getPolicyCondition().expected());
        }
    }
    return defaultGroup;
}