out_tcp: support 'false' value to disable json_date_key

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

Author: edsiper

plugins/out_tcp/tcp.c

@@ -82,7 +82,7 @@ static void cb_tcp_flush(const void *data, size_t bytes,
         json = flb_pack_msgpack_to_json_format(data, bytes,
                                                ctx->out_format,
                                                ctx->json_date_format,
-                                               ctx->json_date_key);
+                                               ctx->date_key);
         if (!json) {
             flb_plg_error(ctx->ins, "error formatting JSON payload");
             flb_upstream_conn_release(u_conn);

plugins/out_tcp/tcp.h

@@ -31,6 +31,7 @@ struct flb_out_tcp {
     /* Timestamp format */
     int       json_date_format;
     flb_sds_t json_date_key;
+    flb_sds_t date_key;
 
     /* Upstream connection to the backend server */
     struct flb_upstream *u;

plugins/out_tcp/tcp_conf.c

@@ -93,6 +93,16 @@ struct flb_out_tcp *flb_tcp_conf_create(struct flb_output_instance *ins,
         }
     }
 
+    /* Date key */
+    ctx->date_key = ctx->json_date_key;
+    tmp = flb_output_get_property("json_date_key", ins);
+    if (tmp) {
+        /* Just check if we have to disable it */
+        if (flb_utils_bool(tmp) == FLB_FALSE) {
+            ctx->date_key = NULL;
+        }
+    }
+
     /* Date format for JSON output */
     ctx->json_date_format = FLB_PACK_JSON_DATE_DOUBLE;
     tmp = flb_output_get_property("json_date_format", ins);