def test_replica_delete(grpc_controller_client): # NOQA
f1 = create_backend_file()
f2 = create_backend_file()
f3 = create_backend_file()
r1 = grpc_controller_client.replica_create(address='file://' + f1)
grpc_controller_client.replica_update(r1.address, mode='RW')
r2 = grpc_controller_client.replica_create(address='file://' + f2)
grpc_controller_client.replica_update(r2.address, mode='RW')
r3 = grpc_controller_client.replica_create(address='file://' + f3)
grpc_controller_client.replica_update(r3.address, mode='RW')
rs = grpc_controller_client.replica_list()
assert len(rs) == 3
grpc_controller_client.replica_delete(r1.address)
rs = grpc_controller_client.replica_list()
assert len(rs) == 2
grpc_controller_client.replica_delete(r1.address)
rs = grpc_controller_client.replica_list()
assert len(rs) == 2
grpc_controller_client.replica_delete(r2.address)
rs = grpc_controller_client.replica_list()
assert len(rs) == 1
grpc_controller_client.replica_delete(r3.address)
rs = grpc_controller_client.replica_list()
assert len(rs) == 0
cleanup_backend_file([f1, f2, f3])
def test_replica_create(grpc_controller_client): # NOQA
f1 = create_backend_file()
r1 = 'file://' + f1
replica = grpc_controller_client.replica_create(address=r1)
assert replica.address == r1
grpc_controller_client.replica_create(address=r1)
grpc_controller_client.replica_create(address=r1)
rs = grpc_controller_client.replica_list()
assert len(rs) == 1
assert rs[0].address == r1
assert rs[0].mode == 'WO'
f2 = create_backend_file()
r2 = 'file://' + f2
with pytest.raises(grpc.RpcError) as e:
grpc_controller_client.replica_create(address=r2)
assert 'Can only have one WO replica at a time' in str(e.value)
r = grpc_controller_client.replica_update(rs[0].address, mode='RW')
assert r.mode == 'RW'
replica2 = grpc_controller_client.replica_create(address=r2)
assert replica2.address == r2
rs = grpc_controller_client.replica_list()
assert len(rs) == 2
cleanup_backend_file([f1, f2])
def test_shutdown(grpc_controller_client): # NOQA
v = grpc_controller_client.volume_get()
assert v.replicaCount == 0
f1 = create_backend_file()
f2 = create_backend_file()
addresses = ['file://' + f1, 'file://' + f2]
v = grpc_controller_client.volume_start(replicas=addresses)
assert v.replicaCount == 2
v = grpc_controller_client.volume_shutdown()
assert v.replicaCount == 0
rs = grpc_controller_client.replica_list()
assert len(rs) == 0
cleanup_backend_file([f1, f2])
def test_start(grpc_controller_client): # NOQA
v = grpc_controller_client.volume_get()
assert v.replicaCount == 0
f1 = create_backend_file()
f2 = create_backend_file()
addresses = ['file://' + f1, 'file://' + f2]
v = grpc_controller_client.volume_start(replicas=addresses)
rs = grpc_controller_client.replica_list()
assert len(rs) == 2
assert v.replicaCount == 2
found_addresses = [r.address for r in rs]
assert set(found_addresses) == set(addresses)
cleanup_backend_file([f1, f2])
def test_controller_expand(grpc_controller_client): # NOQA
v = grpc_controller_client.volume_get()
assert v.replicaCount == 0
f1 = create_backend_file()
f2 = create_backend_file()
addresses = ['file://' + f1, 'file://' + f2]
v = grpc_controller_client.volume_start(replicas=addresses)
assert v.replicaCount == 2
expand_volume_with_frontend(grpc_controller_client, EXPANDED_SIZE)
wait_and_check_volume_expansion(grpc_controller_client, EXPANDED_SIZE)
f1_size = os.path.getsize(f1)
f2_size = os.path.getsize(f2)
assert f1_size == f2_size == EXPANDED_SIZE
v = grpc_controller_client.volume_shutdown()
assert v.replicaCount == 0
def test_replica_change(grpc_controller_client): # NOQA
f = create_backend_file()
r1 = grpc_controller_client.replica_create(address='file://' + f)
assert r1.mode == 'WO'
r1 = grpc_controller_client.replica_update(r1.address, mode='RW')
assert r1.mode == 'RW'
r1 = grpc_controller_client.replica_get(r1.address)
assert r1.mode == 'RW'
cleanup_backend_file([f])