From: Rishabh Dave <ridave@redhat.com>
Date: Wed, 8 Nov 2023 15:48:27 +0000 (+0530)
Subject: Merge pull request #50212 from rishabh-d-dave/fs-swap-subcmd
X-Git-Tag: v19.0.0~123
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=50aab7dadbcbb2e9752f15e99789fcfea17b9279;p=ceph.git

Merge pull request #50212 from rishabh-d-dave/fs-swap-subcmd

cephfs: add command "ceph fs swap"

Reviewed-by: Venky Shankar <vshankar@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
---

50aab7dadbcbb2e9752f15e99789fcfea17b9279
diff --cc src/mon/FSCommands.cc
index 822080426fc,300c025486a..2faba87f73d
--- a/src/mon/FSCommands.cc
+++ b/src/mon/FSCommands.cc
@@@ -1234,31 -1233,14 +1233,30 @@@ class RenameFilesystemHandler : public 
        mon->osdmon()->wait_for_writeable(op, new PaxosService::C_RetryMessage(mon->mdsmon(), op));
        return -EAGAIN;
      }
 +
 +    // Check that no MDS daemons is up for this CephFS.
 +    if (fsp->get_mds_map().get_num_up_mds() > 0) {
 +      ss << "CephFS '" << fs_name << "' is not offline. Before renaming "
 +	 << "a CephFS, it must be marked as down. See `ceph fs fail`.";
 +      return -EPERM;
 +    }
 +
 +    // Check that refuse_client_session is set.
 +    if (!fsp->get_mds_map().test_flag(CEPH_MDSMAP_REFUSE_CLIENT_SESSION)) {
 +      ss << "CephFS '" << fs_name << "' doesn't refuse clients. Before "
 +	 << "renaming a CephFS, flag 'refuse_client_session' must be set. "
 +	 << "See `ceph fs set`.";
 +      return -EPERM;
 +    }
 +
      for (const auto p : fsp->get_mds_map().get_data_pools()) {
-       mon->osdmon()->do_application_enable(p,
- 					   pg_pool_t::APPLICATION_NAME_CEPHFS,
- 					   "data", new_fs_name, true);
+       mon->osdmon()->do_application_enable(p, APP_NAME_CEPHFS, "data",
+ 					   new_fs_name, true);
      }
  
-     mon->osdmon()->do_application_enable(fsp->get_mds_map().get_metadata_pool(),
- 					 pg_pool_t::APPLICATION_NAME_CEPHFS,
- 					 "metadata", new_fs_name, true);
+     mon->osdmon()->do_application_enable(
+       fsp->get_mds_map().get_metadata_pool(), APP_NAME_CEPHFS, "metadata",
+       new_fs_name, true);
      mon->osdmon()->propose_pending();
  
      auto f = [new_fs_name](auto&& fs) {