Comments (2)
I also encountered this problem.
My reason is that the server opens an intranet port
And go micro registers the intranet port to etcd
This makes the two servers unable to connect through the intranet
In grpc, I registered the public IP to etcd. The local server opens the intranet IP so that other servers can perform RPC through the public IP
However, in go micro, the registry and the open port seem to be integrated, so I did not find a solution
from plugins.
In the source code micro_ web_ service
I found gensrv(), which is used to return the IP registered in the registry
If advertise is set, advertise will be registered instead of address
func (s *service) genSrv() *registry.Service {
var host string
var port string
var err error
// default host:port
if len(s.opts.Address) > 0 {
host, port, err = net.SplitHostPort(s.opts.Address)
if err != nil {
logger.Fatal(err)
}
}
// check the advertise address first
// if it exists then use it, otherwise
// use the address
if len(s.opts.Advertise) > 0 {
host, port, err = net.SplitHostPort(s.opts.Advertise)
if err != nil {
logger.Fatal(err)
}
}
addr, err := maddr.Extract(host)
if err != nil {
logger.Fatal(err)
}
if strings.Count(addr, ":") > 0 {
addr = "[" + addr + "]"
}
return ®istry.Service{
Name: s.opts.Name,
Version: s.opts.Version,
Nodes: []*registry.Node{{
Id: s.opts.Id,
Address: net.JoinHostPort(addr, port),
Metadata: s.opts.Metadata,
}},
}
}
Therefore, web services only need the following settings:
http := web.NewService(
web.Name("xxx"),
web.Address("Your intranet IP"),
web.Registry(Reg),
web.Handler(engine),
web.Advertise("Your Internet IP"),
)
Similarly, if it is an RPC service, you can set the server's advertise
app := micro.NewService(
micro.Name(""),
micro.Address(""),
micro.Registry(Reg),
func(o *micro.Options) {
o.Server.Init(server.Advertise(""))
},
)
from plugins.
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