def getStats(self):
"""
"""
vg = lvm.getVG(self.sdUUID)
vgMetadataStatus = metadataValidity(vg)
return dict(disktotal=vg.size, diskfree=vg.free,
mdasize=vg.vg_mda_size, mdafree=vg.vg_mda_free,
mdavalid=vgMetadataStatus['mdavalid'],
mdathreshold=vgMetadataStatus['mdathreshold'])
def getStats(self):
"""
"""
vg = lvm.getVG(self.sdUUID)
vgMetadataStatus = metadataValidity(vg)
return dict(disktotal=vg.size, diskfree=vg.free,
mdasize=vg.vg_mda_size, mdafree=vg.vg_mda_free,
mdavalid=vgMetadataStatus['mdavalid'],
mdathreshold=vgMetadataStatus['mdathreshold'])
def findDomainPath(sdUUID):
try:
vg = lvm.getVG(sdUUID)
except se.VolumeGroupDoesNotExist:
raise se.StorageDomainDoesNotExist(sdUUID)
if _isSD(vg):
return vg.name
raise se.StorageDomainDoesNotExist(sdUUID)
def findDomainPath(sdUUID):
try:
vg = lvm.getVG(sdUUID)
except se.VolumeGroupDoesNotExist:
raise se.StorageDomainDoesNotExist(sdUUID)
if _isSD(vg):
return vg.name
raise se.StorageDomainDoesNotExist(sdUUID)
def readlines(self):
lvm.invalidateVG(self._vgName)
vg = lvm.getVG(self._vgName)
metadata = []
for tag in vg.tags:
if not tag.startswith(self.METADATA_TAG_PREFIX):
continue
metadata.append(lvmTagDecode(tag[self.METADATA_TAG_PREFIX_LEN:]))
return metadata
def readlines(self):
lvm.invalidateVG(self._vgName)
vg = lvm.getVG(self._vgName)
metadata = []
for tag in vg.tags:
if not tag.startswith(self.METADATA_TAG_PREFIX):
continue
metadata.append(lvmTagDecode(tag[self.METADATA_TAG_PREFIX_LEN:]))
return metadata
def getInfo(self):
"""
Get storage domain info
"""
# self.log.info("sdUUID=%s", self.sdUUID)
# First call parent getInfo() - it fills in all the common details
info = sd.StorageDomain.getInfo(self)
# Now add blockSD specific data
vg = lvm.getVG(self.sdUUID) # vg.name = self.sdUUID
info['vguuid'] = vg.uuid
info['state'] = vg.partial
return info
def getInfo(self):
"""
Get storage domain info
"""
# self.log.info("sdUUID=%s", self.sdUUID)
# First call parent getInfo() - it fills in all the common details
info = sd.StorageDomain.getInfo(self)
# Now add blockSD specific data
vg = lvm.getVG(self.sdUUID) # vg.name = self.sdUUID
info['vguuid'] = vg.uuid
info['state'] = vg.partial
return info
def selftest(self):
"""
Run the underlying VG validation routine
"""
timeout = config.getint("irs", "repo_stats_cache_refresh_timeout")
now = time.time()
if now - self._lastUncachedSelftest > timeout:
self._lastUncachedSelftest = now
lvm.chkVG(self.sdUUID)
elif lvm.getVG(self.sdUUID).partial != lvm.VG_OK:
raise se.StorageDomainAccessError(self.sdUUID)
def selftest(self):
"""
Run the underlying VG validation routine
"""
timeout = config.getint("irs", "repo_stats_cache_refresh_timeout")
now = time.time()
if now - self._lastUncachedSelftest > timeout:
self._lastUncachedSelftest = now
lvm.chkVG(self.sdUUID)
elif lvm.getVG(self.sdUUID).partial != lvm.VG_OK:
raise se.StorageDomainAccessError(self.sdUUID)
def metaSize(cls, vgroup):
''' Calc the minimal meta volume size in MB'''
# In any case the metadata volume cannot be less than 512MB for the
# case of 512 bytes per volume metadata, 2K for domain metadata and
# extent size of 128MB. In any case we compute the right size on line.
vg = lvm.getVG(vgroup)
minmetasize = (SD_METADATA_SIZE / sd.METASIZE * int(vg.extent_size) +
(1024 * 1024 - 1)) / (1024 * 1024)
metaratio = int(vg.extent_size) / sd.METASIZE
metasize = (int(vg.extent_count) * sd.METASIZE + (1024*1024-1)) / (1024*1024)
metasize = max(minmetasize, metasize)
if metasize > int(vg.free) / (1024*1024):
raise se.VolumeGroupSizeError("volume group has not enough extents %s (Minimum %s), VG may be too small" % (vg.extent_count, (1024*1024)/sd.METASIZE))
cls.log.info("size %s MB (metaratio %s)" % (metasize, metaratio))
return metasize
def metaSize(cls, vgroup):
''' Calc the minimal meta volume size in MB'''
# In any case the metadata volume cannot be less than 512MB for the
# case of 512 bytes per volume metadata, 2K for domain metadata and
# extent size of 128MB. In any case we compute the right size on line.
vg = lvm.getVG(vgroup)
minmetasize = (SD_METADATA_SIZE / sd.METASIZE * int(vg.extent_size) +
(1024 * 1024 - 1)) / (1024 * 1024)
metaratio = int(vg.extent_size) / sd.METASIZE
metasize = (int(vg.extent_count) * sd.METASIZE +
(1024 * 1024 - 1)) / (1024 * 1024)
metasize = max(minmetasize, metasize)
if metasize > int(vg.free) / (1024 * 1024):
raise se.VolumeGroupSizeError(
"volume group has not enough extents %s (Minimum %s), VG may be too small"
% (vg.extent_count, (1024 * 1024) / sd.METASIZE))
cls.log.info("size %s MB (metaratio %s)" % (metasize, metaratio))
return metasize
