def get_volume_object(self, context, volume_id):
volume = self.cinder_db.get_cinder_volume(volume_id)
LOG.debug("Finding if LUN for volume '%s' already exists", volume_id)
masking = self.emc.populate_masking(volume)
masking_view = self.emc.find_masking_view(masking)
if not masking_view:
self.emc.delete_volume_from_default_sg(masking)
self.created_masking_view = self.emc.create_masking_view(masking)
else:
self.created_masking_view = masking_view
props = self.emc.find_iscsi_connection_properties(masking)
try:
LOG.debug("Connecting iSCSI volume")
self.iscsi.discover(props.target)
block_device = self.iscsi.connect_volume(props.target, props.iqn,
props.lun)
self.connected_volume = props
LOG.debug("Block device connected at %s", block_device)
except (local.LocalExecutionFailed, iscsi.CannotConnectISCSIVolume):
msg = "Unable to connect iSCSI volume '{}'".format(volume_id)
LOG.warning(msg)
raise base.VolumeObjectNotFoundError(msg)
# TODO implicit dependency
host = socket.gethostbyname(socket.gethostname())
return copy_mechanisms.CopyObject(host=host, path=block_device)
def get_volume_object(self, context, volume_id):
""":raises: VolumeObjectNotFoundError in case object is not found"""
controller = context.cloud_config.cloud.ssh_host
user = context.cloud_config.cloud.ssh_user
password = context.cloud_config.cloud.ssh_sudo_password
paths = context.cloud_config.storage.nfs_mount_point_bases
volume_template = context.cloud_config.storage.volume_name_template
volume_pattern = generate_volume_pattern(volume_template, volume_id)
rr = remote_runner.RemoteRunner(
controller, user, ignore_errors=True, sudo=True, password=password)
for mount_point in paths:
# errors are ignored to avoid "Filesystem loop detected" messages
# which don't matter anyways
find = "find {mount_point} -name '{volume_pattern}' 2>/dev/null"
res = rr.run(find.format(mount_point=mount_point,
volume_pattern=volume_pattern))
if res:
# there should only be one file matching
path = res.stdout.splitlines().pop()
return copy_mechanisms.CopyObject(host=controller, path=path)
msg = ("Volume object for volume '{volume_id}' not found. Either "
"volume exists in DB, but is not present on storage, or "
"'nfs_mount_point_bases' is set incorrectly in config")
raise base.VolumeObjectNotFoundError(msg.format(volume_id=volume_id))
def test_has_path_attribute(self):
self.assertTrue(hasattr(copy_mechanisms.CopyObject(), "path"))
def test_has_host_attribute(self):
self.assertTrue(hasattr(copy_mechanisms.CopyObject(), "host"))