def pools_usage(self, last_ts):
"""
This info is not from proc atm, but will eventually be.
"""
# collect usage only if the data is more than 30 seconds old
now = time.mktime(time.gmtime())
if (now - last_ts < 30):
return last_ts
ts = datetime.utcnow().replace(tzinfo=utc)
for p in Pool.objects.all():
arb_disk = Disk.objects.filter(pool=p)[0].name
try:
usage = pool_usage(arb_disk)
pu = None
try:
pu = PoolUsage.objects.filter(pool=p.name).latest('id')
if ((ts - pu.ts).total_seconds() > 90):
pu = None
except Exception, e:
e_msg = ('Unable to get latest pool usage object for '
'pool(%s). A new one will be created.' % p.name)
logger.error(e_msg)
if (pu is None or pu.usage != usage[1]):
pu = PoolUsage(pool=p.name, usage=usage[1], ts=ts)
else:
pu.ts = ts
pu.count = pu.count + 1
self._save_wrapper(pu)
except Exception, e:
logger.debug('command exception while getting pool usage '
'for: %s' % (p.name))
logger.exception(e)
def pools_usage(self, last_ts):
"""
This info is not from proc atm, but will eventually be.
"""
#collect usage only if the data is more than 30 seconds old
now = time.mktime(time.gmtime())
if (now - last_ts < 30):
return last_ts
ts = datetime.utcnow().replace(tzinfo=utc)
for p in Pool.objects.all():
arb_disk = Disk.objects.filter(pool=p)[0].name
try:
usage = pool_usage(arb_disk)
pu = None
try:
pu = PoolUsage.objects.filter(pool=p.name).latest('id')
if ((ts - pu.ts).total_seconds() > 90):
pu = None
except Exception, e:
e_msg = ('Unable to get latest pool usage object for '
'pool(%s). A new one will be created.' % p.name)
logger.error(e_msg)
if (pu is None or pu.usage != usage[1]):
pu = PoolUsage(pool=p.name, usage=usage[1], ts=ts)
else:
pu.ts = ts
pu.count = pu.count + 1
self._save_wrapper(pu)
except Exception, e:
logger.debug('command exception while getting pool usage '
'for: %s' % (p.name))
logger.exception(e)
def pools_usage(self, last_ts):
"""
This info is not from proc atm, but will eventually be.
"""
# collect usage only if the data is more than 30 seconds old
now = time.mktime(time.gmtime())
if (now - last_ts < 30):
return last_ts
ts = datetime.utcnow().replace(tzinfo=utc)
for p in Pool.objects.all():
total_reclaimable = 0
try:
# get usage of all shares in this pool
pool_device = Disk.objects.filter(pool=p)[0].name
share_map = {}
snap_map = {}
for share in Share.objects.filter(pool=p):
share_map[share.qgroup] = share.name
for snap in Snapshot.objects.filter(share=share):
snap_map[snap.qgroup] = snap.real_name
usaged = shares_usage(p, pool_device, share_map, snap_map)
for s in usaged.keys():
try:
total_reclaimable += (
Share.objects.get(name=s).size - usaged[s][1])
except:
pass
su = None
try:
su = ShareUsage.objects.filter(name=s).latest('id')
if ((ts - su.ts).total_seconds() > 90):
su = None
except Exception, e:
e_msg = ('Unable to get latest share usage object '
'for share(%s). A new one will be created.'
% s)
logger.error(e_msg)
# we check for changed in both referenced and exclusive
# usage because in rare cases it's possible for only one
# to change.
if ((su is None or su.r_usage != usaged[s][0] or
su.e_usage != usaged[s][1])):
su = ShareUsage(name=s, r_usage=usaged[s][0],
e_usage=usaged[s][1], ts=ts)
else:
su.ts = ts
su.count = su.count + 1
self._save_wrapper(su)
except Exception, e:
logger.debug('command exception while getting shares usage '
'for pool: %s' % (p.name))
logger.exception(e)
try:
usage = pool_usage('/%s/%s' % (settings.MNT_PT, p.name))
total_free = usage[2] # free + reclaimable
pu = None
try:
pu = PoolUsage.objects.filter(pool=p.name).latest('id')
if ((ts - pu.ts).total_seconds() > 90):
pu = None
except Exception, e:
e_msg = ('Unable to get latest pool usage object for '
'pool(%s). A new one will be created.' % p.name)
logger.error(e_msg)
if ((pu is None or
p.size - (pu.free + pu.reclaimable) != usage[1])):
pu = PoolUsage(pool=p.name,
free=total_free-total_reclaimable,
reclaimable=total_reclaimable, ts=ts)
else:
pu.ts = ts
pu.count = pu.count + 1
self._save_wrapper(pu)
