From: Abhishek Lekshmanan <abhishek@suse.com>
Date: Mon, 11 Mar 2019 10:20:37 +0000 (+0100)
Subject: rgw_admin: add a note warning stale instances for multisite
X-Git-Tag: v14.2.1~8^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F27602%2Fhead;p=ceph.git

rgw_admin: add a note warning stale instances for multisite

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>
(cherry picked from commit 55fdcfa0432e2779b45246349d46e17d8b157153)
---

diff --git a/src/rgw/rgw_admin.cc b/src/rgw/rgw_admin.cc
index 118d374325e0..655685f0af62 100644
--- a/src/rgw/rgw_admin.cc
+++ b/src/rgw/rgw_admin.cc
@@ -7855,6 +7855,13 @@ next:
  }
 
  if (opt_cmd == OPT_RESHARD_STALE_INSTANCES_LIST) {
+   if (!store->svc.zone->can_reshard() && !yes_i_really_mean_it) {
+     cerr << "Resharding disabled in a multisite env, stale instances unlikely from resharding" << std::endl;
+     cerr << "These instances may not be safe to delete." << std::endl;
+     cerr << "Use --yes-i-really-mean-it to force displaying these instances." << std::endl;
+     return EINVAL;
+   }
+
    ret = RGWBucketAdminOp::list_stale_instances(store, bucket_op,f);
    if (ret < 0) {
      cerr << "ERROR: listing stale instances" << cpp_strerror(-ret) << std::endl;