in_tail: disable Parser if multiline mode is enabled (#696)

Signed-off-by: Eduardo Silva <[email protected]>

plugins/in_tail/tail.c

@@ -248,6 +248,13 @@ static int in_tail_init(struct flb_input_instance *in,
     }
     ctx->coll_fd_pending = ret;
 
+
+    if (ctx->multiline == FLB_TRUE && ctx->parser) {
+        ctx->parser = NULL;
+        flb_warn("[in_tail] on multiline mode 'Parser' is not allowed "
+                 "(parser disabled)");
+    }
+
     /* Register callback to process multiline queued buffer */
     if (ctx->multiline == FLB_TRUE) {
         ret = flb_input_set_collector_time(in, flb_tail_mult_pending_flush,

plugins/in_tail/tail_multiline.c

@@ -97,13 +97,6 @@ int flb_tail_mult_create(struct flb_tail_config *ctx,
         }
     }
 
-    /* Double check and warn if the user is using something not expected */
-    tmp = flb_input_get_property("parser", i_ins);
-    if (tmp) {
-        flb_warn("[in_tail] the 'Parser %s' config is omitted in Multiline mode",
-                 tmp);
-    }
-
     return 0;
 }