Updates godep for etcd-client to 3.1.10.

vendor/github.com/coreos/etcd/clientv3/client.go

@@ -282,8 +282,16 @@ func (c *Client) dial(endpoint string, dopts ...grpc.DialOption) (*grpc.ClientCo
 			tokenMu: &sync.RWMutex{},
 		}
 
-		err := c.getToken(context.TODO())
-		if err != nil {
+		ctx := c.ctx
+		if c.cfg.DialTimeout > 0 {
+			cctx, cancel := context.WithTimeout(ctx, c.cfg.DialTimeout)
+			defer cancel()
+			ctx = cctx
+		}
+		if err := c.getToken(ctx); err != nil {
+			if err == ctx.Err() && ctx.Err() != c.ctx.Err() {
+				err = grpc.ErrClientConnTimeout
+			}
 			return nil, err
 		}
 
@@ -335,6 +343,8 @@ func newClient(cfg *Config) (*Client, error) {
 	client.balancer = newSimpleBalancer(cfg.Endpoints)
 	conn, err := client.dial(cfg.Endpoints[0], grpc.WithBalancer(client.balancer))
 	if err != nil {
+		client.cancel()
+		client.balancer.Close()
 		return nil, err
 	}
 	client.conn = conn
@@ -353,6 +363,7 @@ func newClient(cfg *Config) (*Client, error) {
 		}
 		if !hasConn {
 			client.cancel()
+			client.balancer.Close()
 			conn.Close()
 			return nil, grpc.ErrClientConnTimeout
 		}

vendor/github.com/coreos/etcd/clientv3/watch.go

@@ -616,10 +616,24 @@ func (w *watchGrpcStream) serveSubstream(ws *watcherStream, resumec chan struct{
 					if ws.initReq.createdNotify {
 						ws.outc <- *wr
 					}
+					// once the watch channel is returned, a current revision
+					// watch must resume at the store revision. This is necessary
+					// for the following case to work as expected:
+					//	wch := m1.Watch("a")
+					//	m2.Put("a", "b")
+					//	<-wch
+					// If the revision is only bound on the first observed event,
+					// if wch is disconnected before the Put is issued, then reconnects
+					// after it is committed, it'll miss the Put.
+					if ws.initReq.rev == 0 {
+						nextRev = wr.Header.Revision
+					}
 				}
+			} else {
+				// current progress of watch; <= store revision
+				nextRev = wr.Header.Revision
 			}
 
-			nextRev = wr.Header.Revision
 			if len(wr.Events) > 0 {
 				nextRev = wr.Events[len(wr.Events)-1].Kv.ModRevision + 1
 			}