Java Code Examples for com.netflix.client.ClientFactory#getNamedLoadBalancer()
The following examples show how to use
com.netflix.client.ClientFactory#getNamedLoadBalancer() .
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Example 1
| Source File: DefaultNIWSServerListFilterTest.java From ribbon with Apache License 2.0 | 5 votes |
|
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testZoneExclusivity() throws Exception {
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest2.ribbon.DeploymentContextBasedVipAddresses", "l10nservicegeneral.cloud.netflix.net:7001");
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest2.ribbon.NFLoadBalancerClassName", DynamicServerListLoadBalancer.class.getName());
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest2.ribbon.EnableZoneExclusivity", "true");
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest2.ribbon.NIWSServerListClassName", DiscoveryEnabledNIWSServerList.class.getName());
DynamicServerListLoadBalancer lb = (DynamicServerListLoadBalancer) ClientFactory.getNamedLoadBalancer("DefaultNIWSServerListFilterTest2");
ZoneAffinityServerListFilter filter = (ZoneAffinityServerListFilter) lb.getFilter();
LoadBalancerStats loadBalancerStats = lb.getLoadBalancerStats();
List<DiscoveryEnabledServer> servers = new ArrayList<DiscoveryEnabledServer>();
servers.add(createServer(1, "a"));
servers.add(createServer(2, "a"));
servers.add(createServer(3, "a"));
servers.add(createServer(4, "a"));
servers.add(createServer(1, "b"));
servers.add(createServer(2, "b"));
servers.add(createServer(3, "b"));
servers.add(createServer(1, "c"));
servers.add(createServer(2, "c"));
servers.add(createServer(3, "c"));
servers.add(createServer(4, "c"));
servers.add(createServer(5, "c"));
List<DiscoveryEnabledServer> filtered = filter.getFilteredListOfServers(servers);
List<DiscoveryEnabledServer> expected = new ArrayList<DiscoveryEnabledServer>();
expected.add(createServer(1, "c"));
expected.add(createServer(2, "c"));
expected.add(createServer(3, "c"));
expected.add(createServer(4, "c"));
expected.add(createServer(5, "c"));
assertEquals(expected, filtered);
lb.setServersList(filtered);
for (int i = 1; i <= 4; i++) {
loadBalancerStats.incrementActiveRequestsCount(createServer(i, "c"));
}
filtered = filter.getFilteredListOfServers(servers);
assertEquals(expected, filtered);
}
Example 2
| Source File: PrimeConnectionsTest.java From ribbon with Apache License 2.0 | 5 votes |
|
@Test
public void testPrimeConnectionsSmallPool() throws Exception {
Configuration config = ConfigurationManager.getConfigInstance();
config.setProperty("PrimeConnectionsTest1.ribbon.NFLoadBalancerClassName",
com.netflix.loadbalancer.DynamicServerListLoadBalancer.class.getName());
config.setProperty("PrimeConnectionsTest1.ribbon.NIWSServerListClassName", SmallFixedServerList.class.getName());
config.setProperty("PrimeConnectionsTest1.ribbon.EnablePrimeConnections", "true");
DynamicServerListLoadBalancer<Server> lb = (DynamicServerListLoadBalancer<Server>) ClientFactory.getNamedLoadBalancer("PrimeConnectionsTest1");
PrimeConnectionEndStats stats = lb.getPrimeConnections().getEndStats();
assertEquals(stats.success, SMALL_FIXED_SERVER_LIST_SIZE);
}
Example 3
| Source File: PrimeConnectionsTest.java From ribbon with Apache License 2.0 | 5 votes |
|
@Test
public void testPrimeConnectionsLargePool() throws Exception {
Configuration config = ConfigurationManager.getConfigInstance();
config.setProperty("PrimeConnectionsTest2.ribbon.NFLoadBalancerClassName",
com.netflix.loadbalancer.DynamicServerListLoadBalancer.class.getName());
config.setProperty("PrimeConnectionsTest2.ribbon.NIWSServerListClassName", LargeFixedServerList.class.getName());
config.setProperty("PrimeConnectionsTest2.ribbon.EnablePrimeConnections", "true");
DynamicServerListLoadBalancer<Server> lb = (DynamicServerListLoadBalancer<Server>) ClientFactory.getNamedLoadBalancer("PrimeConnectionsTest2");
PrimeConnectionEndStats stats = lb.getPrimeConnections().getEndStats();
assertEquals(stats.success, LARGE_FIXED_SERVER_LIST_SIZE);
}
Example 4
| Source File: ServerListLoabBalancerTest.java From ribbon with Apache License 2.0 | 5 votes |
|
@BeforeClass
public static void init() {
Configuration config = ConfigurationManager.getConfigInstance();
config.setProperty("ServerListLoabBalancerTest.ribbon.NFLoadBalancerClassName",
com.netflix.loadbalancer.DynamicServerListLoadBalancer.class.getName());
config.setProperty("ServerListLoabBalancerTest.ribbon.NIWSServerListClassName", FixedServerList.class.getName());
lb = (DynamicServerListLoadBalancer<Server>) ClientFactory.getNamedLoadBalancer("ServerListLoabBalancerTest");
}
Example 5
| Source File: LBClientFactory.java From feign with Apache License 2.0 | 5 votes |
|
@Override
public LBClient create(String clientName) {
IClientConfig config =
ClientFactory.getNamedConfig(clientName, DisableAutoRetriesByDefaultClientConfig.class);
ILoadBalancer lb = ClientFactory.getNamedLoadBalancer(clientName);
return LBClient.create(lb, config);
}
Example 6
| Source File: DefaultNIWSServerListFilterTest.java From ribbon with Apache License 2.0 | 4 votes |
|
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testZoneAffinityEnabled() throws Exception {
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest1.ribbon.DeploymentContextBasedVipAddresses", "l10nservicegeneral.cloud.netflix.net:7001");
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest1.ribbon.NFLoadBalancerClassName", DynamicServerListLoadBalancer.class.getName());
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest1.ribbon.NIWSServerListClassName", DiscoveryEnabledNIWSServerList.class.getName());
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest1.ribbon.EnableZoneAffinity", "true");
DynamicServerListLoadBalancer lb = (DynamicServerListLoadBalancer) ClientFactory.getNamedLoadBalancer("DefaultNIWSServerListFilterTest1");
assertTrue(lb.getRule() instanceof AvailabilityFilteringRule);
ZoneAffinityServerListFilter filter = (ZoneAffinityServerListFilter) lb.getFilter();
LoadBalancerStats loadBalancerStats = lb.getLoadBalancerStats();
List<DiscoveryEnabledServer> servers = new ArrayList<DiscoveryEnabledServer>();
servers.add(createServer(1, "a"));
servers.add(createServer(2, "a"));
servers.add(createServer(3, "a"));
servers.add(createServer(4, "a"));
servers.add(createServer(1, "b"));
servers.add(createServer(2, "b"));
servers.add(createServer(3, "b"));
servers.add(createServer(1, "c"));
servers.add(createServer(2, "c"));
servers.add(createServer(3, "c"));
servers.add(createServer(4, "c"));
servers.add(createServer(5, "c"));
List<DiscoveryEnabledServer> filtered = filter.getFilteredListOfServers(servers);
List<DiscoveryEnabledServer> expected = new ArrayList<DiscoveryEnabledServer>();
expected.add(createServer(1, "c"));
expected.add(createServer(2, "c"));
expected.add(createServer(3, "c"));
expected.add(createServer(4, "c"));
expected.add(createServer(5, "c"));
assertEquals(expected, filtered);
lb.setServersList(filtered);
for (int i = 1; i <= 4; i++) {
loadBalancerStats.incrementActiveRequestsCount(createServer(i, "c"));
}
filtered = filter.getFilteredListOfServers(servers);
assertEquals(servers, filtered);
}
Example 7
| Source File: DefaultNIWSServerListFilterTest.java From ribbon with Apache License 2.0 | 4 votes |
|
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testZoneAffinityOverride() throws Exception {
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest3.ribbon.DeploymentContextBasedVipAddresses", "l10nservicegeneral.cloud.netflix.net:7001");
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest3.ribbon.NFLoadBalancerClassName", DynamicServerListLoadBalancer.class.getName());
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest3.ribbon.EnableZoneAffinity", "true");
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest3.ribbon.NIWSServerListClassName", DiscoveryEnabledNIWSServerList.class.getName());
ConfigurationManager.getConfigInstance().setProperty("DefaultNIWSServerListFilterTest3.ribbon.zoneAffinity.minAvailableServers", "3");
DynamicServerListLoadBalancer lb = (DynamicServerListLoadBalancer) ClientFactory.getNamedLoadBalancer("DefaultNIWSServerListFilterTest3");
ZoneAffinityServerListFilter filter = (ZoneAffinityServerListFilter) lb.getFilter();
LoadBalancerStats loadBalancerStats = lb.getLoadBalancerStats();
List<DiscoveryEnabledServer> servers = new ArrayList<DiscoveryEnabledServer>();
servers.add(createServer(1, "a"));
servers.add(createServer(2, "a"));
servers.add(createServer(3, "a"));
servers.add(createServer(4, "a"));
servers.add(createServer(1, "b"));
servers.add(createServer(2, "b"));
servers.add(createServer(3, "b"));
servers.add(createServer(1, "c"));
servers.add(createServer(2, "c"));
List<DiscoveryEnabledServer> filtered = filter.getFilteredListOfServers(servers);
List<DiscoveryEnabledServer> expected = new ArrayList<DiscoveryEnabledServer>();
/*
expected.add(createServer(1, "c"));
expected.add(createServer(2, "c"));
expected.add(createServer(3, "c"));
expected.add(createServer(4, "c"));
expected.add(createServer(5, "c")); */
// less than 3 servers in zone c, will not honor zone affinity
assertEquals(servers, filtered);
lb.setServersList(filtered);
servers.add(createServer(3, "c"));
filtered = filter.getFilteredListOfServers(servers);
expected.add(createServer(1, "c"));
expected.add(createServer(2, "c"));
expected.add(createServer(3, "c"));
filtered = filter.getFilteredListOfServers(servers);
// now we have enough servers in C
assertEquals(expected, filtered);
// make one server black out
for (int i = 1; i <= 3; i++) {
loadBalancerStats.incrementSuccessiveConnectionFailureCount(createServer(1, "c"));
}
filtered = filter.getFilteredListOfServers(servers);
assertEquals(servers, filtered);
// new server added in zone c, zone c should now have enough servers
servers.add(createServer(4, "c"));
filtered = filter.getFilteredListOfServers(servers);
expected.add(createServer(4, "c"));
assertEquals(expected, filtered);
}
Example 8
| Source File: SubsetFilterTest.java From ribbon with Apache License 2.0 | 4 votes |
|
@Test
public void testWithLoadBalancer() {
DynamicServerListLoadBalancer<Server> lb = (DynamicServerListLoadBalancer<Server>)
ClientFactory.getNamedLoadBalancer("SubsetFilerTest");
MockServerList serverList = (MockServerList) lb.getServerListImpl();
Object[][] serverStats = {
{"server0", 0, 0},
{"server1", 0, 0},
{"server2", 0, 0},
{"server3", 0, 0},
{"server4", 0, 0},
{"server5", 0, 0},
{"server6", 0, 0},
{"server7", 0, 0},
{"server8", 0, 0},
{"server9", 0, 0}
};
LoadBalancerStats stats = lb.getLoadBalancerStats();
List<Server> list = getServersAndStats(stats, serverStats);
serverList.setServerList(list);
Uninterruptibles.sleepUninterruptibly(2, TimeUnit.SECONDS);
lb.updateListOfServers();
List<Server> filtered = lb.getAllServers();
// first filtering, should get 5 servers
assertEquals(filtered.size(), 5);
Server s1 = filtered.get(0);
Server s2 = filtered.get(1);
Server s3 = filtered.get(2);
Server s4 = filtered.get(3);
Server s5 = filtered.get(4);
// failure count > threshold
DummyServerStats stats1 = (DummyServerStats) stats.getSingleServerStat(s1);
stats1.setConnectionFailureCount(3);
// active requests count > threshold
DummyServerStats stats2 = (DummyServerStats) stats.getSingleServerStat(s2);
stats2.setActiveRequestsCount(3);
// will be forced eliminated after sorting
DummyServerStats stats3 = (DummyServerStats) stats.getSingleServerStat(s3);
stats3.setActiveRequestsCount(2);
// will be forced eliminated after sorting
DummyServerStats stats4 = (DummyServerStats) stats.getSingleServerStat(s4);
stats4.setConnectionFailureCount(1);
// filter again, this time some servers will be eliminated
serverList.setServerList(list);
lb.updateListOfServers();
filtered = lb.getAllServers();
assertEquals(5, filtered.size());
assertTrue(!filtered.contains(s1));
assertTrue(!filtered.contains(s2));
assertTrue(filtered.contains(s3));
assertTrue(!filtered.contains(s4));
assertTrue(filtered.contains(s5));
// Not enough healthy servers, just get whatever is available
serverList.setServerList(Lists.newArrayList(filtered));
lb.updateListOfServers();
List<Server> lastFiltered = lb.getAllServers();
assertEquals(5, lastFiltered.size());
}
Example 9
| Source File: ZoneAwareLoadBalancerTest.java From ribbon with Apache License 2.0 | 4 votes |
|
@Test
public void testConstruction() {
ConfigurationManager.getConfigInstance().setProperty("mylb.ribbon.NFLoadBalancerRuleClassName", RandomRule.class.getName());
ZoneAwareLoadBalancer lb = (ZoneAwareLoadBalancer) ClientFactory.getNamedLoadBalancer("mylb");
assertTrue(lb.getLoadBalancer("myzone").getRule() instanceof RandomRule);
}
Example 10
| Source File: ZoneAwareLoadBalancerTest.java From ribbon with Apache License 2.0 | 4 votes |
|
@Test
public void testActiveConnectionsLimit() {
ConfigurationManager.getConfigInstance().clearProperty("niws.loadbalancer.serverStats.activeRequestsCount.effectiveWindowSeconds");
ConfigurationManager.getConfigInstance().setProperty("testlb.ribbon.ActiveConnectionsLimit", 1);
ZoneAwareLoadBalancer balancer = (ZoneAwareLoadBalancer) ClientFactory.getNamedLoadBalancer("testlb");
LoadBalancerStats loadBalancerStats = balancer.getLoadBalancerStats();
assertNotNull(loadBalancerStats);
List<Server> servers = new ArrayList<Server>();
servers.add(createServer(1, "a"));
servers.add(createServer(2, "a"));
servers.add(createServer(3, "a"));
servers.add(createServer(4, "a"));
servers.add(createServer(5, "a"));
servers.add(createServer(6, "a"));
servers.add(createServer(1, "b"));
servers.add(createServer(2, "b"));
servers.add(createServer(3, "b"));
servers.add(createServer(4, "b"));
servers.add(createServer(5, "b"));
servers.add(createServer(6, "b"));
servers.add(createServer(7, "b"));
servers.add(createServer(8, "b"));
balancer.setServersList(servers);
balancer.setUpServerList(servers);
// cause both zone a and b outage
Server server = servers.get(0);
loadBalancerStats.getSingleServerStat(server).incrementActiveRequestsCount();
server = servers.get(8);
loadBalancerStats.getSingleServerStat(server).incrementActiveRequestsCount();
server = servers.get(servers.size() - 1);
for (int j = 0; j < 3; j++) {
loadBalancerStats.getSingleServerStat(server).incrementSuccessiveConnectionFailureCount();
}
Set<Server> expected = new HashSet<Server>();
expected.add(createServer(2, "a"));
expected.add(createServer(3, "a"));
expected.add(createServer(4, "a"));
expected.add(createServer(5, "a"));
expected.add(createServer(6, "a"));
expected.add(createServer(1, "b"));
expected.add(createServer(2, "b"));
expected.add(createServer(4, "b"));
expected.add(createServer(5, "b"));
expected.add(createServer(6, "b"));
expected.add(createServer(7, "b"));
AvailabilityFilteringRule rule = (AvailabilityFilteringRule) balancer.getRule();
assertEquals(expected.size(), rule.getAvailableServersCount());
AvailabilityFilteringRule rule1 = (AvailabilityFilteringRule) balancer.getLoadBalancer("us-east-1a").getRule();
assertEquals(5, rule1.getAvailableServersCount());
AvailabilityFilteringRule rule2 = (AvailabilityFilteringRule) balancer.getLoadBalancer("us-east-1b").getRule();
assertEquals(6, rule2.getAvailableServersCount());
Set<Server> result = new HashSet<Server>();
for (int i = 0; i < 100; i++) {
result.add(balancer.chooseServer(null));
}
assertEquals(expected, result);
}
