def storage_pools(node):
"""Get 'protocol.Data_Pool' instance for all pools."""
if node.conn is None:
raise StorageError(_('Error listing pools at "%(uri)s": %(error)s'), uri=node.pd.uri, error='no connection')
try:
pools = []
for name in timeout(node.conn.listStoragePools)() + timeout(node.conn.listDefinedStoragePools)():
pool = __get_storage_pool_info(node.conn, name)
pools.append( pool )
return pools
except TimeoutError, e:
logger.warning('libvirt connection "%s" timeout: %s', node.pd.uri, e)
node.pd.last_try = time.time()
return pools
def storage_pools(node):
"""
Get 'protocol.Data_Pool' instance for all (active) pools.
"""
if node.conn is None:
raise StorageError(_('Error listing pools at "%(uri)s": %(error)s'),
uri=node.pd.uri,
error='no connection')
try:
pools = []
for name in timeout(node.conn.listStoragePools)():
pool = get_pool_info(node, name)
pools.append(pool)
return pools
except TimeoutError as ex:
logger.warning(
'libvirt connection "%s" timeout: %s',
node.pd.uri,
ex,
)
node.pd.last_try = time.time()
return pools
except libvirt.libvirtError as ex:
logger.error(ex)
raise StorageError(
_('Error listing pools at "%(uri)s": %(error)s'),
uri=node.uri,
error=ex.get_error_message(),
)
def storage_pools(node):
"""Get 'protocol.Data_Pool' instance for all pools."""
if node.conn is None:
raise StorageError(_('Error listing pools at "%(uri)s": %(error)s'),
uri=node.pd.uri,
error='no connection')
try:
pools = []
for name in timeout(node.conn.listStoragePools)() + timeout(
node.conn.listDefinedStoragePools)():
pool = __get_storage_pool_info(node.conn, name)
pools.append(pool)
return pools
except TimeoutError, e:
logger.warning('libvirt connection "%s" timeout: %s', node.pd.uri, e)
node.pd.last_try = time.time()
return pools
def get_storage_volumes(node, pool_name, type=None):
"""Get 'protocol.Disk' instance for all Storage Volumes in named pool of given type."""
if node.conn is None:
raise StorageError(_('Error listing volumes at "%(uri)s": %(error)s'), uri=node.uri, error='no connection')
volumes = []
try:
pool = timeout(node.conn.storagePoolLookupByName)(pool_name)
pool.refresh(0)
except TimeoutError, e:
logger.warning('libvirt connection "%s" timeout: %s', node.pd.uri, e)
node.pd.last_try = time.time()
return volumes
def get_storage_volumes(node, pool_name, type=None):
"""Get 'protocol.Disk' instance for all Storage Volumes in named pool of given type."""
if node.conn is None:
raise StorageError(_('Error listing volumes at "%(uri)s": %(error)s'),
uri=node.uri,
error='no connection')
volumes = []
try:
pool = timeout(node.conn.storagePoolLookupByName)(pool_name)
pool.refresh(0)
except TimeoutError, e:
logger.warning('libvirt connection "%s" timeout: %s', node.pd.uri, e)
node.pd.last_try = time.time()
return volumes
def get_storage_volumes(node, pool_name, type=None):
"""
Get 'protocol.Disk' instance for all Storage Volumes in named pool of
given type.
"""
if node.conn is None:
raise StorageError(_('Error listing volumes at "%(uri)s": %(error)s'),
uri=node.uri,
error='no connection')
volumes = []
try:
pool = timeout(node.conn.storagePoolLookupByName)(pool_name)
xml = pool.XMLDesc(0)
pool_tree = ET.fromstring(xml)
pool_type = pool_tree.attrib['type']
if pool_type in ('dir', 'fs', 'netfs'):
pool.refresh(0)
except TimeoutError as ex:
logger.warning('libvirt connection "%s" timeout: %s', node.pd.uri, ex)
node.pd.last_try = time.time()
return volumes
except libvirt.libvirtError as ex:
logger.error(ex)
raise StorageError(
_('Error listing volumes at "%(uri)s": %(error)s'),
uri=node.pd.uri,
error=ex.get_error_message(),
)
xml = pool.XMLDesc(0)
pool_tree = ET.fromstring(xml)
pool_type = pool_tree.attrib['type']
for name in pool.listVolumes():
vol = pool.storageVolLookupByName(name)
xml = vol.XMLDesc(0)
try:
volume_tree = ET.fromstring(xml)
except ET.XMLSyntaxError:
continue
disk = Disk()
disk.pool = pool_name
disk.size = int(volume_tree.findtext('capacity'))
target = volume_tree.find('target')
disk.source = target.findtext('path')
disk.type = POOLS_TYPE.get(pool_type)
if disk.type == Disk.TYPE_FILE:
disk.driver_type = target.find('format').attrib['type']
if disk.driver_type == 'iso':
disk.device = Disk.DEVICE_CDROM
else:
disk.device = Disk.DEVICE_DISK
elif disk.type == Disk.TYPE_BLOCK:
disk.device = Disk.DEVICE_DISK
disk.driver_type = None # raw
elif disk.source.startswith('/dev/'):
disk.type = Disk.TYPE_BLOCK
disk.device = Disk.DEVICE_DISK
disk.driver_type = None # raw
else:
logger.info('Unsupported storage pool type: %s', pool_type)
continue
if not type or disk.device == type:
volumes.append(disk)
return volumes
