io.grpc.testing.integration

Class RpcBehaviorLoadBalancerProvider

java.lang.Object

io.grpc.LoadBalancer.Factory

io.grpc.LoadBalancerProvider

io.grpc.testing.integration.RpcBehaviorLoadBalancerProvider

public class RpcBehaviorLoadBalancerProvider
extends io.grpc.LoadBalancerProvider

Provides a xDS interop test LoadBalancer designed to work with XdsTestServer. It looks for an "rpc_behavior" field in its configuration and includes the value in the "rpc-behavior" metadata entry that is sent to the server. This will cause the test server to behave in a predefined way. Endpoint picking logic is delegated to the io.grpc.util.RoundRobinLoadBalancer.

Initial use case is to prove that a custom load balancer can be configured by the control plane via xDS. An interop test will configure this LB and then verify it has been correctly configured by observing a specific RPC behavior by the server(s).

For more details on what behaviors can be specified, please see: https://github.com/grpc/grpc/blob/master/doc/xds-test-descriptions.md#server

Constructor Summary

Constructors

Constructor and Description
RpcBehaviorLoadBalancerProvider()

Method Summary

Modifier and Type	Method and Description
String	getPolicyName()
int	getPriority()
boolean	isAvailable()
io.grpc.LoadBalancer	newLoadBalancer(io.grpc.LoadBalancer.Helper helper)
io.grpc.NameResolver.ConfigOrError	parseLoadBalancingPolicyConfig(Map<String,?> rawLoadBalancingPolicyConfig)

Methods inherited from class io.grpc.LoadBalancerProvider

equals, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RpcBehaviorLoadBalancerProvider

public RpcBehaviorLoadBalancerProvider()

Method Detail

parseLoadBalancingPolicyConfig

public io.grpc.NameResolver.ConfigOrError parseLoadBalancingPolicyConfig(Map<String,?> rawLoadBalancingPolicyConfig)

Overrides:

parseLoadBalancingPolicyConfig in class io.grpc.LoadBalancerProvider

newLoadBalancer

public io.grpc.LoadBalancer newLoadBalancer(io.grpc.LoadBalancer.Helper helper)

Specified by:

newLoadBalancer in class io.grpc.LoadBalancer.Factory

isAvailable

public boolean isAvailable()

Specified by:

isAvailable in class io.grpc.LoadBalancerProvider

getPriority

public int getPriority()

Specified by:

getPriority in class io.grpc.LoadBalancerProvider

getPolicyName

public String getPolicyName()

Specified by:

getPolicyName in class io.grpc.LoadBalancerProvider