def validateMetaVolumePath(self):
"""
In file volume repositories,
the volume metadata must exists after the image/volume is created.
"""
metaVolumePath = self._getMetaVolumePath()
if not self.oop.fileUtils.pathExists(metaVolumePath):
raise se.VolumeDoesNotExist(self.volUUID)
def validateVolumePath(self):
"""
In file volume repositories,
the volume file and the volume md must exists after the image/volume is created.
"""
self.log.debug("validate path for %s" % self.volUUID)
if not self.imagePath:
self.validateImagePath()
volPath = os.path.join(self.imagePath, self.volUUID)
if not self.oop.fileUtils.pathExists(volPath):
raise se.VolumeDoesNotExist(self.volUUID)
self.volumePath = volPath
if not sdCache.produce(self.sdUUID).isISO():
self.validateMetaVolumePath()
def findImagesByVolume(self, legal=False):
"""
Find the image(s) UUID by one of its volume UUID.
Templated and shared disks volumes may result more then one image.
"""
try:
pattern = os.path.join(self.repoPath, self.sdUUID,
sd.DOMAIN_IMAGES, "*", self.volUUID)
vollist = self.oop.glob.glob(pattern)
for vol in vollist[:]:
img = os.path.basename(os.path.dirname(vol))
if img.startswith(image.REMOVED_IMAGE_PREFIX):
vollist.remove(vol)
except Exception, e:
self.log.info("Volume %s does not exists." % (self.volUUID))
raise se.VolumeDoesNotExist("%s: %s:" % (self.volUUID, e))
def _getVolumeTag(sdUUID, volUUID, tagPrefix):
tags = lvm.getLV(sdUUID, volUUID).tags
if TAG_VOL_UNINIT in tags:
log.warning("Reloading uninitialized volume %s/%s", sdUUID, volUUID)
lvm.invalidateVG(sdUUID)
tags = lvm.getLV(sdUUID, volUUID).tags
if TAG_VOL_UNINIT in tags:
log.error("Found uninitialized volume: %s/%s", sdUUID, volUUID)
raise se.VolumeDoesNotExist("%s/%s" % (sdUUID, volUUID))
for tag in tags:
if tag.startswith(tagPrefix):
return tag[len(tagPrefix):]
else:
log.error("Missing tag %s in volume: %s/%s. tags: %s", tagPrefix,
sdUUID, volUUID, tags)
raise se.MissingTagOnLogicalVolume(volUUID, tagPrefix)
def validate(self):
try:
lvm.getLV(self.sdUUID, self.volUUID)
except se.LogicalVolumeDoesNotExistError:
raise se.VolumeDoesNotExist(self.volUUID)
volume.VolumeMetadata.validate(self)
