def get(self, request, fsid):
def to_bytes(kb):
if kb is not None:
return kb * 1024
else:
return None
df_path = lambda stat_name: "ceph.cluster.{0}.df.{1}".format(fsid, stat_name) # noqa
# Check for old vs. new stats (changed in Ceph Firefly)
# see Ceph commit ee2dbdb0f5e54fe6f9c5999c032063b084424c4c
# Old: New:
# total_used total_used_bytes
# total_space total_bytes
# total_avail total_avail_bytes
#
# the old stats are in terms of kB (must multiply to get bytes);
# the new ones are already in bytes. Check new versions first
# so that old relics in the database after upgrade stop being
# used.
if get_latest_graphite(df_path('total_used_bytes')) is not None:
space = {
'used_bytes': get_latest_graphite(df_path('total_used_bytes')),
'capacity_bytes': get_latest_graphite(df_path('total_bytes')),
'free_bytes': get_latest_graphite(df_path('total_avail_bytes'))
}
else:
space = {
'used_bytes': to_bytes(get_latest_graphite(df_path('total_used'))),
'capacity_bytes': to_bytes(get_latest_graphite(df_path('total_space'))),
'free_bytes': to_bytes(get_latest_graphite(df_path('total_avail')))
}
return Response(ClusterSpaceSerializer(DataObject({
'space': space
})).data)
def get(self, request, fsid):
def to_bytes(kb):
if kb is not None:
return kb * 1024
else:
return None
df_path = lambda stat_name: "ceph.cluster.{0}.df.{1}".format(
fsid, stat_name)
space = {
'used_bytes': to_bytes(get_latest_graphite(df_path('total_used'))),
'capacity_bytes':
to_bytes(get_latest_graphite(df_path('total_space'))),
'free_bytes': to_bytes(get_latest_graphite(df_path('total_avail')))
}
return Response(
ClusterSpaceSerializer(DataObject({'space': space})).data)