def test_reattach_volume_ok_iscsi(monkeypatch, fake_os_brick, tmpdir, tmp_db,
fake_lvm, fake_supervdsm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
tmpdir.join("fakemultipathid").write("")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_sd_id", "fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.devices_invalidated = False
with pytest.raises(se.ManagedVolumeAlreadyAttached):
managedvolume.attach_volume(
"fake_sd_id",
"fake_vol_id",
connection_info)
# Device still owned by managed volume.
assert tmp_db.owns_multipath("fakemultipathid")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Volume already attached, no need to invalidated filter.
assert not fake_lvm.devices_invalidated
def test_detach_volume_iscsi_attached(monkeypatch, fake_os_brick, tmpdir,
tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.filter_invalidated = False
tmpdir.join("fakemultipathid").write("")
managedvolume.detach_volume("fake_vol_id")
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("fake_vol_id")
# Device not owned by managed volume.
assert not tmp_db.owns_multipath("fakemultipathid")
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_detach_volume_iscsi_not_attached(monkeypatch, fake_os_brick, tmp_db,
fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {
"some_info": 26
}
}
managedvolume.attach_volume("fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.filter_invalidated = False
managedvolume.detach_volume("fake_vol_id")
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("fake_vol_id")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_reattach_volume_other_connection(monkeypatch, fake_os_brick, tmp_db,
fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.filter_invalidated = False
other_connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 99}
}
with pytest.raises(se.ManagedVolumeConnectionMismatch):
managedvolume.attach_volume("fake_vol_id", other_connection_info)
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_attach_volume_fail_update(monkeypatch, fake_os_brick, tmpdir, tmp_db,
fake_lvm, fake_supervdsm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
tmpdir.join("fakemultipathid").write("")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
def raise_error(*args, **kargs):
raise RuntimeError
monkeypatch.setattr(managedvolumedb.DB, "update_volume", raise_error)
with pytest.raises(RuntimeError):
managedvolume.attach_volume(
"fake_sd_id",
"fake_vol_id",
connection_info)
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
# Multipath id not added, no need to invalidated filter.
assert not fake_lvm.devices_invalidated
def test_reattach_volume_ok_iscsi(monkeypatch, fake_os_brick, tmpdir, tmp_db,
fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
tmpdir.join("fakemultipathid").write("")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.filter_invalidated = False
with pytest.raises(se.ManagedVolumeAlreadyAttached):
managedvolume.attach_volume("fake_vol_id", connection_info)
# Device still owned by managed volume.
assert tmp_db.owns_multipath("fakemultipathid")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Volume already attached, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_attach_volume_fail_update(monkeypatch, fake_os_brick, tmpdir, tmp_db,
fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
tmpdir.join("fakemultipathid").write("")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
def raise_error(*args, **kargs):
raise RuntimeError
monkeypatch.setattr(managedvolumedb.DB, "update_volume", raise_error)
with pytest.raises(RuntimeError):
managedvolume.attach_volume("fake_vol_id", connection_info)
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
# Multipath id not added, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_reattach_volume_other_connection(monkeypatch, fake_os_brick, tmp_db,
fake_lvm, fake_supervdsm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_sd_id", "fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.devices_invalidated = False
other_connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 99}
}
with pytest.raises(se.ManagedVolumeConnectionMismatch):
managedvolume.attach_volume(
"fake_sd_id",
"fake_vol_id",
other_connection_info)
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.devices_invalidated
def test_attach_volume_no_multipath_id(monkeypatch, fake_os_brick, tmp_db,
vol_type, fake_lvm, fake_supervdsm):
# Simulate attaching iSCSI or FC device without multipath_id.
monkeypatch.setenv("FAKE_ATTACH_RESULT", "NO_WWN")
with pytest.raises(se.ManagedVolumeUnsupportedDevice):
managedvolume.attach_volume(
"sd_id",
"vol_id",
{
"driver_volume_type": vol_type,
"data": {"some_info": 26}
})
# Verify that we deatch the unsupported device.
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
# And remove the volume from the db.
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("vol_id")
# Multipath id was not added to database, so no invalidation is needed.
assert not fake_lvm.devices_invalidated
def test_detach_volume_iscsi_attached(monkeypatch, fake_os_brick, tmpdir,
tmp_db, fake_lvm, fake_supervdsm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
monkeypatch.setattr(managedvolume, "DEV_MAPPER", str(tmpdir))
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_sd_id", "fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.devices_invalidated = False
tmpdir.join("fakemultipathid").write("")
managedvolume.detach_volume("fake_sd_id", "fake_vol_id")
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("fake_vol_id")
# Device not owned by managed volume.
assert not tmp_db.owns_multipath("fakemultipathid")
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.devices_invalidated
def test_attach_volume_ok_rbd(monkeypatch, fake_os_brick, tmp_db, fake_lvm,
fake_supervdsm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK_RBD")
connection_info = {
"driver_volume_type": "rbd",
"data": {
"name": "volumes/volume-fake"
}}
ret = managedvolume.attach_volume(
"fake_sd_id",
"fake_vol_id",
connection_info)
path = "/dev/rbd/volumes/volume-fake"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakerbd"
},
"vol_id": "fake_vol_id"
}
assert tmp_db.get_volume("fake_vol_id") == volume_info
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# RBD does not use multipath.
assert not fake_lvm.devices_invalidated
assert fake_supervdsm.udev_rules["fake_vol_id"]["triggered"]
def test_attach_volume_ok_other(monkeypatch, fake_os_brick, tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "NO_WWN")
connection_info = {
"driver_volume_type": "other",
"data": {
"param1": "value1"
}
}
ret = managedvolume.attach_volume("other_vol_id", connection_info)
path = "/dev/fakesda"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakesda"
}
}
assert tmp_db.get_volume("other_vol_id") == volume_info
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Other devices do not use multipath.
assert not fake_lvm.filter_invalidated
def test_attach_volume_ok_iscsi(monkeypatch, fake_os_brick, tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
ret = managedvolume.attach_volume("fake_vol_id", connection_info)
path = "/dev/mapper/fakemultipathid"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakesda",
"scsi_wwn": "fakewwn",
"multipath_id": "fakemultipathid"
},
"multipath_id": "fakemultipathid",
"vol_id": "fake_vol_id"
}
assert tmp_db.get_volume("fake_vol_id") == volume_info
assert tmp_db.owns_multipath("fakemultipathid")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Adding new multipath id requires filter invalidation.
assert fake_lvm.filter_invalidated
def test_attach_volume_ok_other(monkeypatch, fake_os_brick, tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "NO_WWN")
connection_info = {
"driver_volume_type": "other",
"data": {
"param1": "value1"
}
}
ret = managedvolume.attach_volume("other_vol_id", connection_info)
path = "/dev/fakesda"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakesda"
},
"vol_id": "other_vol_id"
}
assert tmp_db.get_volume("other_vol_id") == volume_info
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Other devices do not use multipath.
assert not fake_lvm.filter_invalidated
def test_attach_volume_ok_rbd(monkeypatch, fake_os_brick, tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK_RBD")
connection_info = {
"driver_volume_type": "rbd",
"data": {
"name": "volumes/volume-fake"
}}
ret = managedvolume.attach_volume("fake_vol_id", connection_info)
path = "/dev/rbd/volumes/volume-fake"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakerbd"
},
"vol_id": "fake_vol_id"
}
assert tmp_db.get_volume("fake_vol_id") == volume_info
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# RBD does not use multipath.
assert not fake_lvm.filter_invalidated
def test_attach_volume_ok_iscsi(monkeypatch, fake_os_brick, tmp_db, fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {
"some_info": 26
}
}
ret = managedvolume.attach_volume("fake_vol_id", connection_info)
path = "/dev/mapper/fakemultipathid"
assert ret["result"]["path"] == path
volume_info = {
"connection_info": connection_info,
"path": path,
"attachment": {
"path": "/dev/fakesda",
"scsi_wwn": "fakewwn",
"multipath_id": "fakemultipathid"
},
"multipath_id": "fakemultipathid"
}
assert tmp_db.get_volume("fake_vol_id") == volume_info
assert tmp_db.owns_multipath("fakemultipathid")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# Adding new multipath id requires filter invalidation.
assert fake_lvm.filter_invalidated
def test_attach_volume_no_multipath_id(monkeypatch, fake_os_brick, tmp_db,
vol_type, fake_lvm):
# Simulate attaching iSCSI or FC device without multipath_id.
monkeypatch.setenv("FAKE_ATTACH_RESULT", "NO_WWN")
with pytest.raises(se.ManagedVolumeUnsupportedDevice):
managedvolume.attach_volume("vol_id", {
"driver_volume_type": vol_type,
"data": {"some_info": 26}})
# Verify that we deatch the unsupported device.
entries = fake_os_brick.log()
assert len(entries) == 2
assert entries[0]["action"] == "connect_volume"
assert entries[1]["action"] == "disconnect_volume"
# And remove the volume from the db.
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("vol_id")
# Multipath id was not added to database, so no invalidation is needed.
assert not fake_lvm.filter_invalidated
def test_detach_volume_iscsi_not_attached(monkeypatch, fake_os_brick, tmp_db,
fake_lvm):
monkeypatch.setenv("FAKE_ATTACH_RESULT", "OK")
connection_info = {
"driver_volume_type": "iscsi",
"data": {"some_info": 26}
}
managedvolume.attach_volume("fake_vol_id", connection_info)
# Attaching invalidates the filter, reset.
fake_lvm.filter_invalidated = False
managedvolume.detach_volume("fake_vol_id")
with pytest.raises(managedvolumedb.NotFound):
tmp_db.get_volume("fake_vol_id")
entries = fake_os_brick.log()
assert len(entries) == 1
assert entries[0]["action"] == "connect_volume"
# No multipath id added, no need to invalidated filter.
assert not fake_lvm.filter_invalidated
def test_attach_volume_not_installed_attach(monkeypatch):
# Simulate missing os_brick.
monkeypatch.setattr(managedvolume, "os_brick", None)
with pytest.raises(se.ManagedVolumeNotSupported):
managedvolume.attach_volume("vol_id", {})
def test_attach_volume_not_installed_attach(monkeypatch):
# Simulate missing os_brick.
monkeypatch.setattr(managedvolume, "os_brick", None)
with pytest.raises(se.ManagedVolumeNotSupported):
managedvolume.attach_volume("sd_id", "vol_id", {})
