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Add support for replacing/refreshing OSDs

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Adds commands to both replace an OSD disk, and refresh (reimport) an
existing OSD disk on a new node. This handles the cases where an OSD
disk should be replaced (either due to upgrades or failures) or where a
node is rebuilt in-place and an existing OSD must be re-imported to it.

This should avoid the need to do a full remove/add sequence for either
case.

Also cleans up some aspects of OSD removal that are identical between
methods (e.g. using safe-to-destroy and sleeping after stopping) and
fixes a bug if an OSD does not truly exist when the daemon starts up.
This commit is contained in:
Joshua Boniface
2022-05-06 15:31:58 -04:00
parent d18e009b00
commit 21bbb0393f
7 changed files with 853 additions and 37 deletions
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32
api-daemon/pvcapid/helper.py
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@ -1301,6 +1301,38 @@ def ceph_osd_add(zkhandler, node, device, weight, ext_db_flag=False, ext_db_rati
return output, retcode
@ZKConnection(config)
def ceph_osd_replace(zkhandler, osd_id, device, weight):
"""
Replace a Ceph OSD in the PVC Ceph storage cluster.
"""
retflag, retdata = pvc_ceph.replace_osd(zkhandler, osd_id, device, weight)
if retflag:
retcode = 200
else:
retcode = 400
output = {"message": retdata.replace('"', "'")}
return output, retcode
@ZKConnection(config)
def ceph_osd_refresh(zkhandler, osd_id, device):
"""
Refresh (reimport) a Ceph OSD in the PVC Ceph storage cluster.
"""
retflag, retdata = pvc_ceph.refresh_osd(zkhandler, osd_id, device)
if retflag:
retcode = 200
else:
retcode = 400
output = {"message": retdata.replace('"', "'")}
return output, retcode
@ZKConnection(config)
def ceph_osd_remove(zkhandler, osd_id, force_flag):
"""