combime the ip:port to single parameter and fix the comment

Author: hwchiu

ovs/client.go

@@ -318,10 +318,10 @@ func SetSSLParam(pkey string, cert string, cacert string) OptionFunc {
 }
 
 // SetTCPParam configures the OVSDB connection using a TCP format ip:port
-// for use with all ovs commands
-func SetTCPParam(ip string, port string) OptionFunc {
+// for use with all ovs-vsctl commands.
+func SetTCPParam(addr string) OptionFunc {
 	return func(c *Client) {
-		c.flags= append(c.ofctlFlags, fmt.Sprintf("--db=tcp:%s:%s", ip, port))
+		c.flags= append(c.flags, fmt.Sprintf("--db=tcp:%s", addr))
 	}
 }
 

ovs/client_test.go

@@ -102,9 +102,9 @@ func TestNew(t *testing.T) {
 			},
 		},
 		{
-			desc: "SetTCPParam(ip, port)",
+			desc: "SetTCPParam(addr)",
 			options: []OptionFunc{
-				SetTCPParam("127.0.0.1", "6640"),
+				SetTCPParam("127.0.0.1:6640"),
 			},
 			c: &Client{
 				flags: []string{"--db=tcp:127.0.0.1:6640"},