"id": "persistent-root-volume",
"type-of-storage": "persistent-storage:persistent-storage",
"size-of-storage": "10",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "true"},
+ ],
},
{
"id": "ephemeral-volume",
"id": "persistent-root-volume",
"size-of-storage": "10",
"type-of-storage": "persistent-storage:persistent-storage",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "true"},
+ ],
},
{
"id": "ephemeral-volume",
self.ns = Ns()
self.logger = CopyingMock(autospec=True)
- def test_find_persistent_root_volumes_empty_instantiation_vol_list(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_empty_instantiation_vol_list(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, instantiation_vol_list is empty."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
target_vdu = target_vdu_wth_persistent_storage
vdu_instantiation_volumes_list = []
disk_list = []
+ mock_volume_keeping_required.return_value = True
+ expected_root_disk = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [{"key": "keep-volume", "value": "true"}],
+ }
expected_persist_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
},
]
persist_root_disk = self.ns.find_persistent_root_volumes(
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(persist_root_disk, expected_persist_root_disk)
+ mock_volume_keeping_required.assert_called_once_with(expected_root_disk)
self.assertEqual(disk_list, expected_disk_list)
self.assertEqual(len(disk_list), 1)
- def test_find_persistent_root_volumes_always_selects_first_vsd_as_root(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_always_selects_first_vsd_as_root(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, always selects the first vsd as root volume."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
vnfd["vdu"][0]["virtual-storage-desc"] = [
target_vdu = target_vdu_wth_persistent_storage
vdu_instantiation_volumes_list = []
disk_list = []
+ mock_volume_keeping_required.return_value = True
+ expected_root_disk = {
+ "id": "persistent-volume2",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ }
expected_persist_root_disk = {
"persistent-volume2": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
},
]
persist_root_disk = self.ns.find_persistent_root_volumes(
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(persist_root_disk, expected_persist_root_disk)
+ mock_volume_keeping_required.assert_called_once_with(expected_root_disk)
self.assertEqual(disk_list, expected_disk_list)
self.assertEqual(len(disk_list), 1)
- def test_find_persistent_root_volumes_empty_size_of_storage(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_empty_size_of_storage(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, size of storage is empty."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
vnfd["virtual-storage-desc"][0]["size-of-storage"] = ""
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(persist_root_disk, None)
+ mock_volume_keeping_required.assert_not_called()
self.assertEqual(disk_list, [])
- def test_find_persistent_root_empty_disk_list(self):
- """Find persistent root volume, empty disk list."""
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_keeping_is_not_required(
+ self, mock_volume_keeping_required
+ ):
+ """Find persistent root volume, volume keeping is not required."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
+ vnfd["virtual-storage-desc"][1]["vdu-storage-requirements"] = [
+ {"key": "keep-volume", "value": "false"},
+ ]
target_vdu = target_vdu_wth_persistent_storage
vdu_instantiation_volumes_list = []
disk_list = []
+ mock_volume_keeping_required.return_value = False
+ expected_root_disk = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [{"key": "keep-volume", "value": "false"}],
+ }
expected_persist_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
}
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
]
persist_root_disk = self.ns.find_persistent_root_volumes(
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(persist_root_disk, expected_persist_root_disk)
+ mock_volume_keeping_required.assert_called_once_with(expected_root_disk)
self.assertEqual(disk_list, expected_disk_list)
self.assertEqual(len(disk_list), 1)
- def test_find_persistent_root_volumes_target_vdu_mismatch(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_target_vdu_mismatch(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, target vdu name is not matching."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
vnfd["vdu"][0]["name"] = "Several_Volumes-VM"
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(result, None)
+ mock_volume_keeping_required.assert_not_called()
self.assertEqual(disk_list, [])
self.assertEqual(len(disk_list), 0)
- def test_find_persistent_root_volumes_with_instantiation_vol_list(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_with_instantiation_vol_list(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, existing volume needs to be used."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
target_vdu = target_vdu_wth_persistent_storage
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(persist_root_disk, expected_persist_root_disk)
+ mock_volume_keeping_required.assert_not_called()
self.assertEqual(disk_list, expected_disk_list)
self.assertEqual(len(disk_list), 1)
- def test_find_persistent_root_volumes_invalid_instantiation_params(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_root_volumes_invalid_instantiation_params(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent root volume, existing volume id keyword is invalid."""
vnfd = deepcopy(vnfd_wth_persistent_storage)
target_vdu = target_vdu_wth_persistent_storage
self.ns.find_persistent_root_volumes(
vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
)
-
+ mock_volume_keeping_required.assert_not_called()
self.assertEqual(disk_list, [])
self.assertEqual(len(disk_list), 0)
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
def test_find_persistent_volumes_vdu_wth_persistent_root_disk_wthout_inst_vol_list(
- self,
+ self, mock_volume_keeping_required
):
"""Find persistent ordinary volume, there is persistent root disk and instatiation volume list is empty."""
persistent_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
}
-
+ mock_volume_keeping_required.return_value = False
target_vdu = target_vdu_wth_persistent_storage
vdu_instantiation_volumes_list = []
disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
]
-
+ expected_disk = {
+ "id": "persistent-volume2",
+ "size-of-storage": "10",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ }
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
{
"size": "10",
+ "keep": False,
},
]
self.ns.find_persistent_volumes(
persistent_root_disk, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(disk_list, expected_disk_list)
+ mock_volume_keeping_required.assert_called_once_with(expected_disk)
- def test_find_persistent_volumes_vdu_wth_inst_vol_list(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_volumes_vdu_wth_inst_vol_list(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent ordinary volume, vim-volume-id is given as instantiation parameter."""
persistent_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
}
vdu_instantiation_volumes_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
]
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
{
"vim_volume_id": vim_volume_id,
persistent_root_disk, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(disk_list, expected_disk_list)
+ mock_volume_keeping_required.assert_not_called()
- def test_find_persistent_volumes_vdu_wthout_persistent_storage(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_volumes_vdu_wthout_persistent_storage(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent ordinary volume, there is not any persistent disk."""
persistent_root_disk = {}
vdu_instantiation_volumes_list = []
+ mock_volume_keeping_required.return_value = False
target_vdu = target_vdu_wthout_persistent_storage
disk_list = []
self.ns.find_persistent_volumes(
persistent_root_disk, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(disk_list, disk_list)
+ mock_volume_keeping_required.assert_not_called()
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
def test_find_persistent_volumes_vdu_wth_persistent_root_disk_wthout_ordinary_disk(
- self,
+ self, mock_volume_keeping_required
):
"""There is persistent root disk, but there is not ordinary persistent disk."""
persistent_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
}
vdu_instantiation_volumes_list = []
+ mock_volume_keeping_required.return_value = False
target_vdu = deepcopy(target_vdu_wth_persistent_storage)
target_vdu["virtual-storages"] = [
{
"id": "persistent-root-volume",
"size-of-storage": "10",
"type-of-storage": "persistent-storage:persistent-storage",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "true"},
+ ],
},
{
"id": "ephemeral-volume",
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
]
self.ns.find_persistent_volumes(
persistent_root_disk, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(disk_list, disk_list)
+ mock_volume_keeping_required.assert_not_called()
- def test_find_persistent_volumes_wth_inst_vol_list_disk_id_mismatch(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_find_persistent_volumes_wth_inst_vol_list_disk_id_mismatch(
+ self, mock_volume_keeping_required
+ ):
"""Find persistent ordinary volume, volume id is not persistent_root_disk dict,
vim-volume-id is given as instantiation parameter but disk id is not matching."""
+ mock_volume_keeping_required.return_value = True
vdu_instantiation_volumes_list = [
{
"vim-volume-id": vim_volume_id,
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
}
disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
]
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
},
{
"size": "10",
+ "keep": True,
},
]
-
+ expected_disk = {
+ "id": "persistent-volume2",
+ "size-of-storage": "10",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ }
target_vdu = target_vdu_wth_persistent_storage
self.ns.find_persistent_volumes(
persistent_root_disk, target_vdu, vdu_instantiation_volumes_list, disk_list
)
self.assertEqual(disk_list, expected_disk_list)
+ mock_volume_keeping_required.assert_called_once_with(expected_disk)
+
+ def test_is_volume_keeping_required_true(self):
+ """Volume keeping is required."""
+ virtual_storage_descriptor = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "true"},
+ ],
+ }
+ result = self.ns.is_volume_keeping_required(virtual_storage_descriptor)
+ self.assertEqual(result, True)
+
+ def test_is_volume_keeping_required_false(self):
+ """Volume keeping is not required."""
+ virtual_storage_descriptor = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "false"},
+ ],
+ }
+ result = self.ns.is_volume_keeping_required(virtual_storage_descriptor)
+ self.assertEqual(result, False)
+
+ def test_is_volume_keeping_required_wthout_vdu_storage_reqirement(self):
+ """Volume keeping is not required, vdu-storage-requirements key does not exist."""
+ virtual_storage_descriptor = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ }
+ result = self.ns.is_volume_keeping_required(virtual_storage_descriptor)
+ self.assertEqual(result, False)
+
+ def test_is_volume_keeping_required_wrong_keyword(self):
+ """vdu-storage-requirements key to indicate keeping-volume is wrong."""
+ virtual_storage_descriptor = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [
+ {"key": "hold-volume", "value": "true"},
+ ],
+ }
+ result = self.ns.is_volume_keeping_required(virtual_storage_descriptor)
+ self.assertEqual(result, False)
def test_sort_vdu_interfaces_position_all_wth_positions(self):
"""Interfaces are sorted according to position, all have positions."""
self.assertDictEqual(cloud_config, expected_cloud_config)
@patch("osm_ng_ro.ns.Ns._select_persistent_root_disk")
- def test_add_persistent_root_disk_to_disk_list(
- self, mock_select_persistent_root_disk
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_add_persistent_root_disk_to_disk_list_keep_false(
+ self, mock_volume_keeping_required, mock_select_persistent_root_disk
):
- """Add persistent root disk to disk_list"""
+ """Add persistent root disk to disk_list, keep volume set to False."""
root_disk = {
"id": "persistent-root-volume",
"type-of-storage": "persistent-storage:persistent-storage",
target_vdu = deepcopy(target_vdu_wth_persistent_storage)
persistent_root_disk = {}
disk_list = []
+ mock_volume_keeping_required.return_value = False
expected_disk_list = [
{
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": False,
}
]
self.ns._add_persistent_root_disk_to_disk_list(
)
self.assertEqual(disk_list, expected_disk_list)
mock_select_persistent_root_disk.assert_called_once()
+ mock_volume_keeping_required.assert_called_once()
@patch("osm_ng_ro.ns.Ns._select_persistent_root_disk")
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
def test_add_persistent_root_disk_to_disk_list_select_persistent_root_disk_raises(
- self, mock_select_persistent_root_disk
+ self, mock_volume_keeping_required, mock_select_persistent_root_disk
):
"""Add persistent root disk to disk_list"""
root_disk = {
)
self.assertEqual(disk_list, [])
mock_select_persistent_root_disk.assert_called_once()
+ mock_volume_keeping_required.assert_not_called()
- def test_add_persistent_ordinary_disk_to_disk_list(self):
- """Add persistent ordinary disk to disk_list"""
+ @patch("osm_ng_ro.ns.Ns._select_persistent_root_disk")
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_add_persistent_root_disk_to_disk_list_keep_true(
+ self, mock_volume_keeping_required, mock_select_persistent_root_disk
+ ):
+ """Add persistent root disk, keeo volume set to True."""
+ vnfd = deepcopy(vnfd_wth_persistent_storage)
target_vdu = deepcopy(target_vdu_wth_persistent_storage)
+ mock_volume_keeping_required.return_value = True
+ root_disk = {
+ "id": "persistent-root-volume",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ "vdu-storage-requirements": [
+ {"key": "keep-volume", "value": "true"},
+ ],
+ }
+ mock_select_persistent_root_disk.return_value = root_disk
+ persistent_root_disk = {}
+ disk_list = []
+ expected_disk_list = [
+ {
+ "image_id": "ubuntu20.04",
+ "size": "10",
+ "keep": True,
+ }
+ ]
+ self.ns._add_persistent_root_disk_to_disk_list(
+ vnfd, target_vdu, persistent_root_disk, disk_list
+ )
+ self.assertEqual(disk_list, expected_disk_list)
+ mock_volume_keeping_required.assert_called_once_with(root_disk)
+
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_add_persistent_ordinary_disk_to_disk_list(
+ self, mock_volume_keeping_required
+ ):
+ """Add persistent ordinary disk, keeo volume set to True."""
+ target_vdu = deepcopy(target_vdu_wth_persistent_storage)
+ mock_volume_keeping_required.return_value = False
persistent_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
+ ordinary_disk = {
+ "id": "persistent-volume2",
+ "type-of-storage": "persistent-storage:persistent-storage",
+ "size-of-storage": "10",
+ }
persistent_ordinary_disk = {}
disk_list = []
expected_disk_list = [
{
"size": "10",
+ "keep": False,
}
]
self.ns._add_persistent_ordinary_disks_to_disk_list(
target_vdu, persistent_root_disk, persistent_ordinary_disk, disk_list
)
self.assertEqual(disk_list, expected_disk_list)
+ mock_volume_keeping_required.assert_called_once_with(ordinary_disk)
- def test_add_persistent_ordinary_disk_to_disk_list_vsd_id_in_root_disk_dict(self):
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
+ def test_add_persistent_ordinary_disk_to_disk_list_vsd_id_in_root_disk_dict(
+ self, mock_volume_keeping_required
+ ):
"""Add persistent ordinary disk, vsd id is in root_disk dict."""
target_vdu = deepcopy(target_vdu_wth_persistent_storage)
+ mock_volume_keeping_required.return_value = False
persistent_root_disk = {
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
},
"persistent-volume2": {
"size": "10",
target_vdu, persistent_root_disk, persistent_ordinary_disk, disk_list
)
self.assertEqual(disk_list, [])
+ mock_volume_keeping_required.assert_not_called()
@patch("osm_ng_ro.ns.Ns._select_persistent_root_disk")
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
def test_add_persistent_root_disk_to_disk_list_vnfd_wthout_persistent_storage(
- self, mock_select_persistent_root_disk
+ self, mock_volume_keeping_required, mock_select_persistent_root_disk
):
"""VNFD does not have persistent storage."""
vnfd = deepcopy(vnfd_wthout_persistent_storage)
)
self.assertEqual(disk_list, [])
self.assertEqual(mock_select_persistent_root_disk.call_count, 2)
+ mock_volume_keeping_required.assert_not_called()
@patch("osm_ng_ro.ns.Ns._select_persistent_root_disk")
+ @patch("osm_ng_ro.ns.Ns.is_volume_keeping_required")
def test_add_persistent_root_disk_to_disk_list_wthout_persistent_root_disk(
- self, mock_select_persistent_root_disk
+ self, mock_volume_keeping_required, mock_select_persistent_root_disk
):
"""Persistent_root_disk dict is empty."""
vnfd = deepcopy(vnfd_wthout_persistent_storage)
)
self.assertEqual(disk_list, [])
self.assertEqual(mock_select_persistent_root_disk.call_count, 2)
+ mock_volume_keeping_required.assert_not_called()
def test_prepare_vdu_affinity_group_list_invalid_extra_dict(self):
"""Invalid extra dict."""
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
mock_find_persistent_root_volumes.return_value = persistent_root_disk
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
mock_find_persistent_root_volumes.return_value = persistent_root_disk
"persistent-root-volume": {
"image_id": "ubuntu20.04",
"size": "10",
+ "keep": True,
}
}
mock_find_persistent_root_volumes.return_value = persistent_root_disk