rgw: allow larger payload for period commit

testing with 3 zonegroups and 3 zones each, the period json grew larger
than 4k and caused decode failures on period commit

updated to use the new config variable rgw_max_put_param_size

Fixes: http://tracker.ceph.com/issues/19505
Signed-off-by: Casey Bodley <cbodley@redhat.com>
(cherry picked from commit 7f2871fe59d933b03f37fde40f1781b2320d0d50)

diff --git a/src/rgw/rgw_rest_realm.cc b/src/rgw/rgw_rest_realm.cc
index 99fd60b1d06f9309cb3c98a25975849a6786844f..07a77e106ea42f809b9cf9b6d6bbfe8654f71344 100644 (file)
--- a/src/rgw/rgw_rest_realm.cc
+++ b/src/rgw/rgw_rest_realm.cc
@@ -84,9 +84,9 @@ void RGWOp_Period_Post::execute()
   period.init(cct, store, false);
 
   // decode the period from input
-#define PERIOD_MAX_LEN 4096
+  const auto max_size = cct->_conf->rgw_max_put_param_size;
   bool empty;
-  http_ret = rgw_rest_get_json_input(cct, s, period, PERIOD_MAX_LEN, &empty);
+  http_ret = rgw_rest_get_json_input(cct, s, period, max_size, &empty);
   if (http_ret < 0) {
     lderr(cct) << "failed to decode period" << dendl;
     return;