etcdbalancer

README

etcdbalancer

using etcd implement grpc balancer

how to use, please see example

reference

• https://grpc.io/blog/loadbalancing/
• https://godoc.org/github.com/coreos/etcd/clientv3
• https://morecrazy.github.io/2018/08/14/grpc-go%E5%9F%BA%E4%BA%8Eetcd%E5%AE%9E%E7%8E%B0%E6%9C%8D%E5%8A%A1%E5%8F%91%E7%8E%B0%E6%9C%BA%E5%88%B6/
• https://yuerblog.cc/2017/12/12/etcd-v3-sdk-usage/

Documentation

Index

• type Register
  • func NewRegister(schema, name, addr string, config etcd.Config) *Register
  • func (r *Register) RegisterServer(ttl int64) error
  • func (r *Register) UnRegister()
• type Resolver
  • func NewResolver(schema string, config etcd.Config) *Resolver
  • func (r *Resolver) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOption) (resolver.Resolver, error)
  • func (r *Resolver) Close()
  • func (r *Resolver) ResolveNow(option resolver.ResolveNowOption)
  • func (r *Resolver) Scheme() string

Types

type Register

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

Register grpc server register to etcd and keepalive

func NewRegister

func NewRegister(schema, name, addr string, config etcd.Config) *Register

NewRegister new register

func (*Register) RegisterServer

func (r *Register) RegisterServer(ttl int64) error

RegisterServer register server to etcd

func (*Register) UnRegister

func (r *Register) UnRegister()

UnRegister remove server from etcd

type Resolver

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

Resolver grpc remote server address resolver

func NewResolver

func NewResolver(schema string, config etcd.Config) *Resolver

NewResolver new resolver

func (*Resolver) Build

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

Build implement grpc Builder interface

func (*Resolver) Close

func (r *Resolver) Close()

Close graceful close grpc resolver balancer

func (*Resolver) ResolveNow

func (r *Resolver) ResolveNow(option resolver.ResolveNowOption)

func (*Resolver) Scheme

func (r *Resolver) Scheme() string

Scheme implement grpc Builder interface