def set_conn(self, val):
if not isinstance(val, libvirt.virConnect):
raise ValueError(_("'conn' must be a libvirt connection object."))
if not util.is_storage_capable(val):
raise ValueError(_("Passed connection is not libvirt storage "
"capable"))
self._conn = val
def lookup_pool_by_name(pool_object=None, pool_name=None, conn=None):
"""
Returns pool object determined from passed parameters.
Largely a convenience function for the other static functions.
"""
if pool_object is None and pool_name is None:
raise ValueError(_("Must specify pool_object or pool_name"))
if pool_name is not None and pool_object is None:
if conn is None:
raise ValueError(_("'conn' must be specified with 'pool_name'"))
if not util.is_storage_capable(conn):
raise ValueError(_("Connection does not support storage "
"management."))
try:
pool_object = conn.storagePoolLookupByName(pool_name)
except Exception, e:
raise ValueError(_("Couldn't find storage pool '%s': %s" %
(pool_name, str(e))))
def set_location(self, val):
"""
Valid values for location:
1) it can be a local file (ex. boot.iso), directory (ex. distro
tree) or physical device (ex. cdrom media)
2) tuple of the form (poolname, volname) pointing to a file or
device which will set location as that path
3) http, ftp, or nfs path for an install tree
"""
is_tuple = False
validated = True
self._location_is_path = True
is_local = (not self.conn or not self.is_remote())
# Basic validation
if type(val) is not str and (type(val) is not tuple and len(val) != 2):
raise ValueError(_("Invalid 'location' type %s." % type(val)))
if type(val) is tuple and len(val) == 2:
logging.debug("DistroInstaller location is a (poolname, volname)"
" tuple")
if not self.conn:
raise ValueError(
_("'conn' must be specified if 'location' is"
" a storage tuple."))
is_tuple = True
elif _is_url(val, is_local):
val = _sanitize_url(val)
self._location_is_path = False
logging.debug("DistroInstaller location is a network source.")
elif os.path.exists(os.path.abspath(val)) and is_local:
val = os.path.abspath(val)
logging.debug(
"DistroInstaller location is a local "
"file/path: %s", val)
else:
# Didn't determine anything about the location
validated = False
if self._location_is_path or (not validated and self.conn
and util.is_storage_capable(self.conn)):
# If user passed a storage tuple, OR
# We couldn't determine the location type and a storage capable
# connection was passed:
# Pass the parameters off to VirtualDisk to validate, and pull
# out the path
stuple = (is_tuple and val) or None
path = (not is_tuple and val) or None
try:
d = VirtualDisk(path=path,
device=VirtualDisk.DEVICE_CDROM,
transient=True,
readOnly=True,
conn=self.conn,
volName=stuple)
val = d.path
except:
logging.debug("Error validating install location",
exc_info=True)
raise ValueError(
_("Checking installer location failed: "
"Could not find media '%s'." % str(val)))
elif not validated:
raise ValueError(
_("Install media location must be an NFS, HTTP "
"or FTP network install source, or an existing "
"file/device"))
if (not self._location_is_path and val.startswith("nfs:") and
not User.current().has_priv(User.PRIV_NFS_MOUNT,
(self.conn and self.get_uri()))):
raise ValueError(_('Privilege is required for NFS installations'))
self._location = val
def set_location(self, val):
"""
Valid values for location:
1) it can be a local file (ex. boot.iso), directory (ex. distro
tree) or physical device (ex. cdrom media)
2) tuple of the form (poolname, volname) pointing to a file or
device which will set location as that path
3) http, ftp, or nfs path for an install tree
"""
is_tuple = False
validated = True
self._location_is_path = True
is_local = not self.conn or not self.is_remote()
# Basic validation
if type(val) is not str and (type(val) is not tuple and len(val) != 2):
raise ValueError(_("Invalid 'location' type %s." % type(val)))
if type(val) is tuple and len(val) == 2:
logging.debug("DistroInstaller location is a (poolname, volname)" " tuple")
if not self.conn:
raise ValueError(_("'conn' must be specified if 'location' is" " a storage tuple."))
is_tuple = True
elif _is_url(val, is_local):
val = _sanitize_url(val)
self._location_is_path = False
logging.debug("DistroInstaller location is a network source.")
elif os.path.exists(os.path.abspath(val)) and is_local:
val = os.path.abspath(val)
logging.debug("DistroInstaller location is a local " "file/path: %s", val)
else:
# Didn't determine anything about the location
validated = False
if self._location_is_path or (not validated and self.conn and util.is_storage_capable(self.conn)):
# If user passed a storage tuple, OR
# We couldn't determine the location type and a storage capable
# connection was passed:
# Pass the parameters off to VirtualDisk to validate, and pull
# out the path
stuple = (is_tuple and val) or None
path = (not is_tuple and val) or None
try:
d = VirtualDisk(
path=path,
device=VirtualDisk.DEVICE_CDROM,
transient=True,
readOnly=True,
conn=self.conn,
volName=stuple,
)
val = d.path
except:
logging.debug("Error validating install location", exc_info=True)
raise ValueError(_("Checking installer location failed: " "Could not find media '%s'." % str(val)))
elif not validated:
raise ValueError(
_(
"Install media location must be an NFS, HTTP "
"or FTP network install source, or an existing "
"file/device"
)
)
if (
not self._location_is_path
and val.startswith("nfs:")
and not User.current().has_priv(User.PRIV_NFS_MOUNT, (self.conn and self.get_uri()))
):
raise ValueError(_("Privilege is required for NFS installations"))
self._location = val
