// NewETCDNR creates an etcd NameResolver.
func NewETCDNR(cfg etcdcl.Config) (naming.Resolver, error) {
c, err := etcdcl.New(cfg)
if err != nil {
return nil, err
}
kAPI := etcdcl.NewKeysAPI(c)
ctx, cancel := context.WithCancel(context.Background())
return &etcdNR{
kAPI: kAPI,
recv: newRecvBuffer(),
ctx: ctx,
cancel: cancel,
}, nil
}
func newDiscovery(durl, dproxyurl string, id types.ID) (*discovery, error) {
u, err := url.Parse(durl)
if err != nil {
return nil, err
}
token := u.Path
u.Path = ""
pf, err := newProxyFunc(dproxyurl)
if err != nil {
return nil, err
}
cfg := client.Config{
Transport: &http.Transport{
Proxy: pf,
Dial: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
// TODO: add ResponseHeaderTimeout back when watch on discovery service writes header early
},
Endpoints: []string{u.String()},
}
c, err := client.New(cfg)
if err != nil {
return nil, err
}
dc := client.NewKeysAPIWithPrefix(c, "")
return &discovery{
cluster: token,
c: dc,
id: id,
url: u,
clock: clockwork.NewRealClock(),
}, nil
}