Merge pull request #54 from ovh/fix/connectsingleUrl

fix(connect): allow only URL connects

Author: miton18

spec/doc.md

@@ -703,6 +703,12 @@ In TSL, we can directly use the Connect method to update the set the backend on
 connect("warp10","http://localhost:9090", "TOKEN")
 ```
 
+or when no Token is needed:
+
+```
+connect("warp10","http://localhost:9090")
+```
+
 For a prometheus it's
 ```
 connect("prometheus","http://localhost:9090")

tsl/genericParser.go

@@ -856,11 +856,15 @@ func (p *Parser) parseConnect(tok Token, pos Pos, lit string, instruction *Instr
 
 	if instruction.connectStatement.connectType == WARP.String() {
 
-		if len(fields) != 3 {
+		intToken := ""
+
+		if len(fields) == 3 {
+			intToken = fields[2].lit
+		} else if len(fields) < 2 || len(fields) > 3 {
 			return nil, p.NewTslError("error", pos)
 		}
 		instruction.connectStatement.api = fields[1].lit
-		instruction.connectStatement.token = fields[2].lit
+		instruction.connectStatement.token = intToken
 	}
 
 	if instruction.connectStatement.connectType == PROM.String() || instruction.connectStatement.connectType == PROMETHEUS.String() {