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Merge pull request #872 from micro/round-robin

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Round robin routes we've sorted by metric
This commit is contained in:
Asim Aslam 2019-10-22 11:58:44 +01:00 committed by GitHub
commit 317cf76566
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1 changed files with 11 additions and 2 deletions
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13
proxy/mucp/mucp.go
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@ -11,6 +11,7 @@ import (
"time"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/client/selector"
"github.com/micro/go-micro/codec"
"github.com/micro/go-micro/codec/bytes"
"github.com/micro/go-micro/config/options"
@ -252,11 +253,18 @@ func (p *Proxy) ServeRequest(ctx context.Context, req server.Request, rsp server
routes = addr
}
var opts []client.CallOption
// set strategy to round robin
opts = append(opts, client.WithSelectOption(selector.WithStrategy(selector.RoundRobin)))
// if the address is already set just serve it
// TODO: figure it out if we should know to pick a link
if len(addresses) > 0 {
opts = append(opts, client.WithAddress(addresses...))
// serve the normal way
return p.serveRequest(ctx, p.Client, service, endpoint, req, rsp, client.WithAddress(addresses...))
return p.serveRequest(ctx, p.Client, service, endpoint, req, rsp, opts...)
}
// there's no links e.g we're local routing then just serve it with addresses
@ -288,9 +296,10 @@ func (p *Proxy) ServeRequest(ctx context.Context, req server.Request, rsp server
// set the address to call
addresses := toNodes([]router.Route{route})
opts = append(opts, client.WithAddress(addresses...))
// do the request with the link
gerr = p.serveRequest(ctx, link, service, endpoint, req, rsp, client.WithAddress(addresses...))
gerr = p.serveRequest(ctx, link, service, endpoint, req, rsp, opts...)
// return on no error since we succeeded
if gerr == nil {
return nil