grpcresolver

package

v1.17.0 Latest Latest Go to latest Published: Feb 24, 2020 License: Apache-2.0 Imports: 10 Imported by: 0

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const GRPCServiceConfig = `{"loadBalancingPolicy":"round_robin"}`

GRPCServiceConfig provides grpc service config

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type Resolver struct {
	// contains filtered or unexported fields
}

Resolver uses notifier to fetch list of available hosts

func New(
	notifier discovery.Notifier,
	discoverer discovery.Discoverer,
	logger *zap.Logger,
	discoveryMinPeers int,
) *Resolver

New initialize a new grpc resolver with notifier

func (r *Resolver) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error)

Build returns itself for Resolver, because it's both a builder and a resolver.

func (r *Resolver) Close()

Close closes both discoCh

func (r *Resolver) ResolveNow(o resolver.ResolveNowOptions)

ResolveNow is a noop for Resolver since resolver is already firing r.cc.UpdatesState every time it receives updates of new instance from discoCh

func (r *Resolver) Scheme() string

Scheme returns resolver's scheme.