Merge pull request #68 from fujiwara/invoke-qualifier

invoke --qualifier

README.md

@@ -203,6 +203,7 @@ Flags:
   --function="function.json"  Function file path
   --async                     invocation type async
   --log-tail                  output tail of log to STDERR
+  --qualifier=QUALIFIER       version or alias to invoke
 ```
 
 `lambroll invoke` accepts multiple JSON payloads for invocations from STDIN.

cmd/lambroll/main.go

@@ -67,6 +67,7 @@ func _main() int {
 		FunctionFilePath: function,
 		Async:            invoke.Flag("async", "invocation type async").Bool(),
 		LogTail:          invoke.Flag("log-tail", "output tail of log to STDERR").Bool(),
+		Qualifier:        invoke.Flag("qualifier", "version or alias to invoke").String(),
 	}
 
 	archive := kingpin.Command("archive", "archive zip")

invoke.go

@@ -18,6 +18,7 @@ type InvokeOption struct {
 	FunctionFilePath *string
 	Async            *bool
 	LogTail          *bool
+	Qualifier        *string
 }
 
 // Invoke invokes function
@@ -56,6 +57,9 @@ PAYLOAD:
 			LogType:        logType,
 			Payload:        b,
 		}
+		if len(*opt.Qualifier) > 0 {
+			in.Qualifier = opt.Qualifier
+		}
 		log.Println("[debug] invoking function", in.String())
 		res, err := app.lambda.Invoke(in)
 		if err != nil {