def setup_or_cleanup_iscsi(is_setup, is_login=True,
emulated_image="emulated_iscsi", image_size="1G"):
"""
Set up(and login iscsi target) or clean up iscsi service on localhost.
:param is_setup: Boolean value, true for setup, false for cleanup
:param is_login: Boolean value, true for login, false for not login
:param emulated_image: name of iscsi device
:param image_size: emulated image's size
:return: iscsi device name or iscsi target
"""
try:
utils_misc.find_command("tgtadm")
utils_misc.find_command("iscsiadm")
except ValueError:
raise error.TestNAError("Missing command 'tgtadm' and/or 'iscsiadm'.")
tmpdir = os.path.join(data_dir.get_root_dir(), 'tmp')
emulated_path = os.path.join(tmpdir, emulated_image)
emulated_target = "iqn.2001-01.com.virttest:%s.target" % emulated_image
iscsi_params = {"emulated_image": emulated_path, "target": emulated_target,
"image_size": image_size, "iscsi_thread_id": "virt"}
_iscsi = iscsi.Iscsi(iscsi_params)
if is_setup:
sv_status = None
if utils_misc.selinux_enforcing():
sv_status = utils_selinux.get_status()
utils_selinux.set_status("permissive")
_iscsi.export_target()
if sv_status is not None:
utils_selinux.set_status(sv_status)
if is_login:
_iscsi.login()
# The device doesn't necessarily appear instantaneously, so give
# about 5 seconds for it to appear before giving up
iscsi_device = utils_misc.wait_for(_iscsi.get_device_name, 5, 0, 1,
"Searching iscsi device name.")
if iscsi_device:
logging.debug("iscsi device: %s", iscsi_device)
return iscsi_device
if not iscsi_device:
logging.error("Not find iscsi device.")
# Cleanup and return "" - caller needs to handle that
# _iscsi.export_target() will have set the emulated_id and
# export_flag already on success...
_iscsi.cleanup()
utils.run("rm -f %s" % emulated_path)
else:
return emulated_target
else:
_iscsi.export_flag = True
_iscsi.emulated_id = _iscsi.get_target_id()
_iscsi.cleanup()
utils.run("rm -f %s" % emulated_path)
return ""
def __init__(self, params, root_dir, tag):
"""
Init the default value for image object.
:param params: Dictionary containing the test parameters.
:param root_dir: Base directory for relative filenames.
:param tag: Image tag defined in parameter images
"""
Rawdev.__init__(self, params, root_dir, tag)
self.emulated_file_remove = False
self.emulated_image = params.get("emulated_image")
if self.emulated_image:
if params.get("emulated_file_remove", "no") == "yes":
self.emulated_file_remove = True
params["iscsi_thread_id"] = self.image_name
self.iscsidevice = iscsi.Iscsi(params, root_dir=root_dir)
self.device_id = params.get("device_id")
self.iscsi_init_timeout = int(params.get("iscsi_init_timeout", 10))
def login_iscsi(emulated_image, image_size):
"""
Login the iscsi target, and return the device
"""
utils.run("setenforce 0")
emulated_image_path = os.path.join(test.tmpdir, emulated_image)
emulated_target = "iqn.2001-01.com.autotest:%s.target" % emulated_image
iscsi_params = {"emulated_image": emulated_image_path,
"target": emulated_target,
"image_size": image_size}
_iscsi = iscsi.Iscsi(iscsi_params)
_iscsi.export_target()
_iscsi.login()
iscsi_device = _iscsi.get_device_name()
logging.debug("iscsi device: %s", iscsi_device)
utils.run("setenforce 1")
return iscsi_device