Dedicated task the staging upgrade
Plan:
-stop the loaders and listers workers
-stop the indexers
-stop the scheduler runners *
-on db1:
- connect to the serial console => swh-ceph-osd1-adm.inria.fr pass in the credential store (infra/db1.staging/idrac)
- disable puppet
- stop and disable postgresql
- perform the last buster upgrade
- reboot
- perform the bullseye upgrade
- reboot
- restart and enable postgresql
- restart puppet
-restart the scheduler runners
-restart the indexers
-restart the lister / loaders