ping?

If we are okay with the way this would change RADOS.xs and RADOS.pm, I can send a follow up for patch 3 and 4 as a few other places started to issue mon commands in the meantime.

There is also the currently pending "Ceph OSD: add detail infos" patch series which either could be included in the follow up patch, or will need its own, depending on what gets applied first.


[0] https://lists.proxmox.com/pipermail/pve-devel/2022-October/054375.html

On 3/25/22 11:55, Aaron Lauterer wrote:
The main motivation behind this series is to leverage several safety
checks that Ceph has to make sure it is ok to stop or destroy a service.

For this to work, the librados2-perl needs to be adapted because if it
is unsafe to perform one of the actions, the Ceph API will return an
error with an explanation in the status message.

The approach chosen is to simplify the bindings and handle errors on the
Perl side. the RADOS.pm::mon_command now always returns a hash ref
containing

* return code
* status message
* data

This makes it necessary to adapt packages that depend on librados2-perl
to handle the changed return values: storage and manager.

Therefore we need to coordinate breaking dependencies and releases of
these packages!

A new cmd-safety endpoint is added which is called from the GUI wherever
possible to show a warning.


changes:

* simplify librados2-perl changes and always return hash ref instead of
   wantarray
* one central cmd-safety API endpoint instead of multiple ones per
   service type

librados2-perl: Aaron Lauterer (2):
   mon_command: refactor to pass all data to perl
   mon_command: optionally ignore errors

  PVE/RADOS.pm | 24 +++++++++++++++++++-----
  RADOS.xs     | 18 ++++++------------
  2 files changed, 25 insertions(+), 17 deletions(-)


storage:Aaron Lauterer (1):
   rbd: adapt to changed rados mon_command return values

  PVE/Storage/RBDPlugin.pm | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)


manager: Aaron Lauterer (4):
   ceph: adapt to changed rados mon_command return values
   api: ceph: add cmd-safety endpoint
   ui: osd: warn if removal could be problematic
   ui: osd: mon: mds: warn if stop/destroy actions are problematic

  PVE/API2/Ceph.pm                 | 102 +++++++++++++++++++++-
  PVE/API2/Ceph/MGR.pm             |   2 +-
  PVE/API2/Ceph/MON.pm             |  19 +++--
  PVE/API2/Ceph/OSD.pm             |  14 ++--
  PVE/API2/Ceph/Pools.pm           |  18 ++--
  PVE/API2/Cluster/Ceph.pm         |   6 +-
  PVE/CLI/pveceph.pm               |   4 +-
  PVE/Ceph/Services.pm             |  10 +--
  PVE/Ceph/Tools.pm                |  16 ++--
  www/manager6/ceph/OSD.js         | 140 ++++++++++++++++++++++++++-----
  www/manager6/ceph/ServiceList.js | 104 ++++++++++++++++++++---
  11 files changed, 360 insertions(+), 75 deletions(-)




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