def test_multiple_mpath_paths_unordered_with_initial_status(monkeypatch):
def fake_status():
return {
'uuid-1': [
PathStatus('sda', 'F'),
PathStatus('sdb', 'A'),
PathStatus('sdc', 'A'),
PathStatus('sdd', 'A'),
]
}
monkeypatch.setattr(devicemapper, 'multipath_status', fake_status)
monitor = mpathhealth.Monitor()
monitor.start()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdb", 1, 13),
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdb", 2, 12),
]
for e in events:
monitor.handle(e)
expected = {
"uuid-1": {
"valid_paths": 1,
"failed_paths": [
"sda",
"sdb",
]
}
}
assert monitor.status() == expected
def test_removed():
monitor = mpathhealth.Monitor()
event = udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sda", 1, 10)
monitor.handle(event)
event = udev.MultipathEvent(udev.MPATH_REMOVED, "uuid-1", None, None, None)
monitor.handle(event)
assert monitor.status() == {}
def test_reinstated_last_path():
monitor = mpathhealth.Monitor()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdaa", 1, 10),
udev.MultipathEvent(udev.PATH_REINSTATED, "uuid-1", "sdaa", 2, 11)
]
for e in events:
monitor.handle(e)
assert monitor.status() == {}
def tmp_monitor(monkeypatch):
monkeypatch.setattr(
devicemapper, "multipath_status", FakeMultipathStatus())
monitor = mpathhealth.Monitor(MONITOR_INTERVAL)
monitor.callback = MonitorCallback()
yield monitor
# Do not hang the monitor cycles when we are about to stop
monitor.callback.resume()
monitor.stop()
monitor.wait()
def test_reinstated__path():
monitor = mpathhealth.Monitor()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdaa", 2, 10),
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdab", 1, 11),
udev.MultipathEvent(udev.PATH_REINSTATED, "uuid-1", "sdaa", 2, 12)
]
for e in events:
monitor.handle(e)
expected = {"uuid-1": {"valid_paths": 2, "failed_paths": ["sdab"]}}
assert monitor.status() == expected
def test_start_all_active(monkeypatch):
def fake_status():
return {
'uuid-1': [
PathStatus('sda', 'A'),
PathStatus('sdb', 'A'),
PathStatus('sdc', 'A')
]
}
monkeypatch.setattr(devicemapper, 'multipath_status', fake_status)
monitor = mpathhealth.Monitor()
monitor.start()
assert monitor.status() == {}
def test_start_some_failed(monkeypatch):
def fake_status():
return {
'uuid-1': [
PathStatus('sda', 'F'),
PathStatus('sdb', 'A'),
PathStatus('sdc', 'A')
]
}
monkeypatch.setattr(devicemapper, 'multipath_status', fake_status)
monitor = mpathhealth.Monitor()
monitor.start()
expected = {"uuid-1": {"valid_paths": 2, "failed_paths": ["sda"]}}
assert monitor.status() == expected
def test_multiple_mpath_paths_unordered():
monitor = mpathhealth.Monitor()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sda", 2, 13),
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdb", 3, 12),
]
for e in events:
monitor.handle(e)
expected = {
"uuid-1": {
"valid_paths": 2,
"failed_paths": [
"sda",
"sdb",
]
}
}
assert monitor.status() == expected
def test_multiple_mpath():
monitor = mpathhealth.Monitor()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdaa", 1, 10),
udev.MultipathEvent(udev.PATH_FAILED, "uuid-2", "sdba", 2, 11)
]
for e in events:
monitor.handle(e)
expected = {
"uuid-2": {
"valid_paths": 2,
"failed_paths": ["sdba"]
},
"uuid-1": {
"valid_paths": 1,
"failed_paths": ["sdaa"]
}
}
assert monitor.status() == expected
def test_events_after_start(monkeypatch):
def fake_status():
return {
'uuid-1': [
PathStatus('sda', 'F'),
PathStatus('sdb', 'A'),
PathStatus('sdc', 'A')
]
}
monkeypatch.setattr(devicemapper, 'multipath_status', fake_status)
monitor = mpathhealth.Monitor()
monitor.start()
events = [
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdb", 1, 10),
udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sdc", 0, 11),
udev.MultipathEvent(udev.PATH_REINSTATED, "uuid-1", "sda", 1, 12)
]
for e in events:
monitor.handle(e)
expected = {"uuid-1": {"valid_paths": 1, "failed_paths": ["sdb", "sdc"]}}
assert monitor.status() == expected
def test_removed_not_existing():
monitor = mpathhealth.Monitor()
event = udev.MultipathEvent(udev.MPATH_REMOVED, "uuid-1", None, None, None)
monitor.handle(event)
assert monitor.status() == {}
def test_failed_path():
monitor = mpathhealth.Monitor()
event = udev.MultipathEvent(udev.PATH_FAILED, "uuid-1", "sda", 1, 10)
monitor.handle(event)
expected = {"uuid-1": {"valid_paths": 1, "failed_paths": ["sda"]}}
assert monitor.status() == expected
def test_no_events():
monitor = mpathhealth.Monitor()
assert monitor.status() == {}
def test_reinstated_path_no_mpath():
monitor = mpathhealth.Monitor()
event = udev.MultipathEvent(udev.PATH_REINSTATED, "uuid-1", "sdaa", 1, 10)
monitor.handle(event)
assert monitor.status() == {}
