[Draft] Test only

[nickzhq]

No description provided.

[nickzhq]

Hello @qingwangrh @XueqiangWei @hellohellenmao @aliang123 , that's a demo case for usage about multi_targets.
I can set up a meeting later for introduction If you guys want.

[nickzhq]

Python 3.12.9 (main, Feb  4 2025, 00:00:00) [GCC 14.2.1 20250110 (Red Hat 14.2.1-7)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from virttest import data_dir
>>> from virttest.iscsi import Iscsi
>>> base_dir = data_dir.get_data_dir()
>>> params = {"iscsi_targets_luns": '{"iqn.xxxx-xx.com.example:target01a": {"portal_ip": "127.0.0.1", "iscsi_backend": "fileio", "default_lun": { "emulated_image": "images/basefile1a", "emulated_image_size": "1G", "iscsi_lun_attrs": "block_size=4096" }, }, "iqn.xxxx-xx.com.example:target02a": { "portal_ip": "127.0.0.1", "iscsi_backend": "fileio","default_lun": {"emulated_image": "images/basefile2a", "emulated_image_size": "1G", "iscsi_lun_attrs": "block_size=4096"}, }, }'}
>>> iscsi = Iscsi.create_iSCSI(params, base_dir)
>>> iscsi.login()
>>> targets = iscsi.query_targets()
>>> targets
['iqn.xxxx-xx.com.example:kvm-qe', 'iqn.xxxx-xx.com.example:target01-user', 'iqn.xxxx-xx.com.example:target01a', 'iqn.xxxx-xx.com.example:target02-user', 'iqn.xxxx-xx.com.example:target02a']
>>> dev_name = iscsi.get_device_names()
>>> dev_name
{'iqn.xxxx-xx.com.example:target01a': {'lun0': '/dev/sdf'}, 'iqn.xxxx-xx.com.example:target02a': {'lun0': '/dev/sdg'}}

cc @qingwangrh @XueqiangWei @hellohellenmao @aliang123