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etcdmain: proxy does not need to belong to the discovered cluster

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This commit is contained in:
Xiang Li 2015-09-01 11:24:02 -07:00
parent a94118893c
commit 7957677cf2
1 changed files with 9 additions and 5 deletions
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14
etcdmain/etcd.go
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@ -171,7 +171,7 @@ func Main() {
// startEtcd launches the etcd server and HTTP handlers for client/server communication. // startEtcd launches the etcd server and HTTP handlers for client/server communication.
func startEtcd(cfg *config) (<-chan struct{}, error) { func startEtcd(cfg *config) (<-chan struct{}, error) {
urlsmap, token, err := getPeerURLsMapAndToken(cfg) urlsmap, token, err := getPeerURLsMapAndToken(cfg, "etcd")
if err != nil { if err != nil {
return nil, fmt.Errorf("error setting up initial cluster: %v", err) return nil, fmt.Errorf("error setting up initial cluster: %v", err)
} }
@ -309,7 +309,7 @@ func startEtcd(cfg *config) (<-chan struct{}, error) {
// startProxy launches an HTTP proxy for client communication which proxies to other etcd nodes. // startProxy launches an HTTP proxy for client communication which proxies to other etcd nodes.
func startProxy(cfg *config) error { func startProxy(cfg *config) error {
urlsmap, _, err := getPeerURLsMapAndToken(cfg) urlsmap, _, err := getPeerURLsMapAndToken(cfg, "proxy")
if err != nil { if err != nil {
return fmt.Errorf("error setting up initial cluster: %v", err) return fmt.Errorf("error setting up initial cluster: %v", err)
} }
@ -430,7 +430,7 @@ func startProxy(cfg *config) error {
} }
// getPeerURLsMapAndToken sets up an initial peer URLsMap and cluster token for bootstrap or discovery. // getPeerURLsMapAndToken sets up an initial peer URLsMap and cluster token for bootstrap or discovery.
func getPeerURLsMapAndToken(cfg *config) (urlsmap types.URLsMap, token string, err error) { func getPeerURLsMapAndToken(cfg *config, which string) (urlsmap types.URLsMap, token string, err error) {
switch { switch {
case cfg.durl != "": case cfg.durl != "":
urlsmap = types.URLsMap{} urlsmap = types.URLsMap{}
@ -445,8 +445,12 @@ func getPeerURLsMapAndToken(cfg *config) (urlsmap types.URLsMap, token string, e
return nil, "", err return nil, "", err
} }
urlsmap, err = types.NewURLsMap(clusterStr) urlsmap, err = types.NewURLsMap(clusterStr)
if _, ok := urlsmap[cfg.name]; !ok { // only etcd member must belong to the discovered cluster.
return nil, "", fmt.Errorf("cannot find local etcd member %q in SRV records", cfg.name) // proxy does not need to belong to the discovered cluster.
if which == "etcd" {
if _, ok := urlsmap[cfg.name]; !ok {
return nil, "", fmt.Errorf("cannot find local etcd member %q in SRV records", cfg.name)
}
} }
default: default:
// We're statically configured, and cluster has appropriately been set. // We're statically configured, and cluster has appropriately been set.