open_iscsi: support IPv6 portals (#11657)

* fix(modules/open_iscsi): support IPv6 portals

* add changelog frag

tests/unit/plugins/modules/test_open_iscsi.py

@@ -0,0 +1,51 @@
+# Copyright (c) 2026 Alexei Znamensky (russoz@gmail.com)
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from __future__ import annotations
+
+from ansible_collections.community.general.plugins.modules import open_iscsi
+
+from .uthelper import RunCommandMock, UTHelper
+from .uthelper import TestCaseMock as MockBase
+
+_MODULE = "ansible_collections.community.general.plugins.modules.open_iscsi"
+
+
+class SocketMock(MockBase):
+    name = "socket_getaddrinfo"
+
+    def setup(self, mocker):
+        ip = self.mock_specs["return"]
+        mocker.patch(
+            f"{_MODULE}.socket.getaddrinfo",
+            return_value=[(None, None, None, None, (ip, None))],
+        )
+
+    def check(self, test_case, results):
+        pass
+
+
+class GlobMock(MockBase):
+    name = "glob_glob"
+
+    def setup(self, mocker):
+        paths = self.mock_specs.get("return", [])
+        mocker.patch(f"{_MODULE}.glob.glob", return_value=paths)
+        mocker.patch(f"{_MODULE}.os.path.realpath", side_effect=lambda x: x)
+
+    def check(self, test_case, results):
+        pass
+
+
+class TimeSleepMock(MockBase):
+    name = "time_sleep"
+
+    def setup(self, mocker):
+        mocker.patch(f"{_MODULE}.time.sleep")
+
+    def check(self, test_case, results):
+        pass
+
+
+UTHelper.from_module(open_iscsi, __name__, mocks=[RunCommandMock, SocketMock, GlobMock, TimeSleepMock])