fluentbit: add confing file. Fix errors

example/to_wendelin.conf

+[INPUT]
+    Name  dummy
+    Tag   dummy
+
+[OUTPUT]
+    Name  wendelin_out
+    Match *
+    User <your_wendelin_user>
+    Password <your_wendelin_password>
+    Uri   <Wendelin_URL>/erp5/portal_ingestion_policies/<YOUR_INGESTION_POLICY_ID>
+    Reference <input_stream_reference>
+

out_http.go

@@ -6,7 +6,10 @@ import (
 	"unsafe"
 	"C"
 	"net/http"
+  "strconv"
   "bytes"
+  "regexp"
+
 )
 
 // configuration parameters 
@@ -20,19 +23,18 @@ func FLBPluginRegister(ctx unsafe.Pointer) int {
 	return output.FLBPluginRegister(ctx, "wendelin_out", "Wendelin Out GO!")
 }
 
-/*
- * export FLBPluginInit
- * fluentbit will call this
- * ctx (context) pointer to fluentbit context (state/ c code)
-*/
+//export FLBPluginInit
+// (fluentbit will call this)
+// ctx (context) pointer to fluentbit context (state/ c code)
 func FLBPluginInit(ctx unsafe.Pointer) int {
-	// Retrieve the configuration parameters
-
+	// Example to retrieve an optional configuration parameter
+//	param := output.FLBPluginConfigKey(ctx, "param")
 	user = output.FLBPluginConfigKey(ctx, "User")
 	password = output.FLBPluginConfigKey(ctx, "Password")
 	uri = output.FLBPluginConfigKey(ctx, "Uri")
 	reference = output.FLBPluginConfigKey(ctx, "Reference")
 
+	//fmt.Printf("[flb-go] plugin parameter = '%s'\n", param)
 	fmt.Printf("[flb-go user] plugin parameter = '%s'\n", user)
 	fmt.Printf("[flb-go password] plugin parameter = '%s'\n", password)
 	fmt.Printf("[flb-go uri] plugin parameter = '%s'\n", uri)
@@ -45,17 +47,17 @@ func FLBPluginInit(ctx unsafe.Pointer) int {
 func FLBPluginFlush(data unsafe.Pointer, length C.int, tag *C.char) int {
 
   request_string := uri  + "/ingest?reference=" + reference
-
-  var byte_data []byte
-  byte_data = C.GoBytes(data, C.int(length))
+  var b []byte
+  b = C.GoBytes(data, C.int(length))
 
   hc := http.Client{}
 
-  req, err := http.NewRequest("POST", request_string, bytes.NewBuffer(byte_data))
+  req, err := http.NewRequest("POST", request_string, bytes.NewBuffer(b))
 
   if err != nil {
     return output.FLB_ERROR
   }
+
   req.Header.Set("Content-Type", "application/octet-stream")
   req.SetBasicAuth(user, password)
 
@@ -75,12 +77,21 @@ func FLBPluginFlush(data unsafe.Pointer, length C.int, tag *C.char) int {
    *  - 204: No Content
    *  - 205: Reset content
   */
-  if resp.Status < 200 && resp.Status > 205 {
+  re := regexp.MustCompile("[0-9]+") // get only the status code
+	status_code := re.FindAllString(resp.Status, -1)
+  resp_status, err := strconv.Atoi(status_code[0])
+  if err != nil {
+    fmt.Println(err)
     return output.FLB_RETRY
   }
 
   fmt.Println(resp.Status)
   fmt.Println(err)
+
+  if resp_status < 200 && resp_status > 205 {
+    return output.FLB_RETRY
+  }
+
   defer resp.Body.Close()
 
 	/*