def test_process_creation_failure(pm_client): # NOQA
rs = pm_client.process_list()
assert len(rs) == 0
count = 5
for i in range(count):
tmp_dir = tempfile.mkdtemp()
name = REPLICA_NAME_BASE + str(i)
args = ["replica", tmp_dir, "--size", str(SIZE)]
pm_client.process_create(name=name,
binary="/opt/non-existing-binary",
args=args,
port_count=15,
port_args=["--listen,localhost:"])
wait_for_process_error(pm_client, name)
r = pm_client.process_get(name=name)
assert r.spec.name == name
assert r.status.state == PROC_STATE_ERROR
assert "no such file or directory" in r.status.error_msg
for i in range(count):
rs = pm_client.process_list()
assert len(rs) == (count - i)
name = REPLICA_NAME_BASE + str(i)
pm_client.process_delete(name=name)
wait_for_process_deletion(pm_client, name)
rs = pm_client.process_list()
assert len(rs) == (count - 1 - i)
rs = pm_client.process_list()
assert len(rs) == 0
def test_multiple_volumes(pm_client, em_client): # NOQA
rs = pm_client.process_list()
assert len(rs) == 0
cnt = 5
for i in range(cnt):
replica_args = []
tmp_dir = tempfile.mkdtemp()
replica_name = REPLICA_NAME_BASE + str(i)
r = create_replica_process(pm_client,
name=replica_name,
replica_dir=tmp_dir)
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
r = pm_client.process_get(name=replica_name)
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
rs = pm_client.process_list()
assert len(rs) == i + 1
assert replica_name in rs
r = rs[replica_name]
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
replica_args.append("tcp://localhost:" + str(r.status.port_start))
engine_name = ENGINE_NAME_BASE + str(i)
volume_name = VOLUME_NAME_BASE + str(i)
e = create_engine_process(em_client,
name=engine_name,
volume_name=volume_name,
replicas=replica_args)
assert e.spec.name == engine_name
check_dev_existence(volume_name)
es = em_client.process_list()
assert len(es) == i + 1
assert engine_name in es
e = es[engine_name]
assert e.spec.name == engine_name
assert e.status.state == PROC_STATE_RUNNING
ps = pm_client.process_list()
assert len(ps) == i + 1
for i in range(cnt):
engine_name = ENGINE_NAME_BASE + str(i)
volume_name = VOLUME_NAME_BASE + str(i)
delete_process(em_client, engine_name)
wait_for_process_deletion(em_client, engine_name)
wait_for_dev_deletion(volume_name)
es = em_client.process_list()
assert len(es) == (cnt - 1 - i)
assert engine_name not in es
def test_start_stop_replicas(pm_client): # NOQA
rs = pm_client.process_list()
assert len(rs) == 0
for i in range(10):
tmp_dir = tempfile.mkdtemp()
name = REPLICA_NAME_BASE + str(i)
r = create_replica_process(pm_client, name=name, replica_dir=tmp_dir)
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
r = pm_client.process_get(name=name)
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
rs = pm_client.process_list()
assert len(rs) == (i + 1)
assert name in rs
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
for i in range(10):
rs = pm_client.process_list()
assert len(rs) == (10 - i)
name = REPLICA_NAME_BASE + str(i)
r = pm_client.process_delete(name=name)
assert r.spec.name == name
assert r.status.state in (PROC_STATE_STOPPING, PROC_STATE_STOPPED)
wait_for_process_deletion(pm_client, name)
rs = pm_client.process_list()
assert len(rs) == (9 - i)
rs = pm_client.process_list()
assert len(rs) == 0
def test_engine_upgrade(pm_client, em_client): # NOQA
rs = pm_client.process_list()
assert len(rs) == 0
dir_base = "/tmp/replica"
cnt = 3
for i in range(cnt):
replica_args = []
dir = dir_base + str(i)
replica_name = REPLICA_NAME_BASE + str(i)
r = create_replica_process(pm_client,
name=replica_name,
replica_dir=dir)
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
r = pm_client.process_get(name=replica_name)
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
rs = pm_client.process_list()
assert len(rs) == i + 1
assert replica_name in rs
r = rs[replica_name]
assert r.spec.name == replica_name
assert r.status.state == PROC_STATE_RUNNING
replica_args.append("tcp://localhost:" + str(r.status.port_start))
engine_name = ENGINE_NAME_BASE + str(i)
volume_name = VOLUME_NAME_BASE + str(i)
e = create_engine_process(em_client,
name=engine_name,
volume_name=volume_name,
replicas=replica_args)
assert e.spec.name == engine_name
check_dev_existence(volume_name)
es = em_client.process_list()
assert len(es) == i + 1
assert engine_name in es
e = es[engine_name]
assert e.spec.name == engine_name
assert e.status.state == PROC_STATE_RUNNING
dir = dir_base + "0"
engine_name = ENGINE_NAME_BASE + "0"
replica_name = REPLICA_NAME_BASE + "0"
volume_name = VOLUME_NAME_BASE + "0"
replica_name_upgrade = REPLICA_NAME_BASE + "0-upgrade"
r = create_replica_process(pm_client,
name=replica_name_upgrade,
binary=LONGHORN_UPGRADE_BINARY,
replica_dir=dir)
assert r.spec.name == replica_name_upgrade
assert r.status.state == PROC_STATE_RUNNING
replicas = ["tcp://localhost:" + str(r.status.port_start)]
e = upgrade_engine(em_client, LONGHORN_UPGRADE_BINARY, engine_name,
volume_name, replicas)
assert e.spec.name == engine_name
check_dev_existence(volume_name)
r = pm_client.process_delete(name=replica_name)
assert r.spec.name == replica_name
assert r.status.state in (PROC_STATE_STOPPING, PROC_STATE_STOPPED)
wait_for_process_deletion(pm_client, replica_name)
check_dev_existence(volume_name)
wait_for_process_running(em_client, engine_name)
es = em_client.process_list()
assert engine_name in es
e = es[engine_name]
assert e.spec.name == engine_name
assert e.status.state == PROC_STATE_RUNNING
delete_process(em_client, engine_name)
wait_for_process_deletion(em_client, engine_name)
wait_for_dev_deletion(volume_name)
def test_one_volume(pm_client, em_client): # NOQA
rs = pm_client.process_list()
assert len(rs) == 0
replica_args = []
for i in range(3):
tmp_dir = tempfile.mkdtemp()
name = REPLICA_NAME_BASE + str(i)
r = create_replica_process(pm_client, name=name, replica_dir=tmp_dir)
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
r = pm_client.process_get(name=name)
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
rs = pm_client.process_list()
assert len(rs) == (i + 1)
assert name in rs
assert r.spec.name == name
assert r.status.state == PROC_STATE_RUNNING
replica_args.append("tcp://localhost:" + str(r.status.port_start))
engine_name = ENGINE_NAME_BASE + "0"
volume_name = VOLUME_NAME_BASE + "0"
e = create_engine_process(em_client,
name=engine_name,
volume_name=volume_name,
replicas=replica_args)
assert e.spec.name == engine_name
check_dev_existence(volume_name)
es = em_client.process_list()
assert len(es) == 1
assert engine_name in es
e = es[engine_name]
assert e.spec.name == engine_name
assert e.status.state == PROC_STATE_RUNNING
ps = pm_client.process_list()
assert len(ps) == 3
delete_process(em_client, engine_name)
# test duplicate call
delete_process(em_client, engine_name)
wait_for_process_deletion(em_client, engine_name)
# test duplicate call
delete_process(em_client, engine_name)
ps = pm_client.process_list()
assert len(ps) == 3
for i in range(3):
name = REPLICA_NAME_BASE + str(i)
r = pm_client.process_delete(name=name)
assert r.spec.name == name
assert r.status.state in (PROC_STATE_STOPPING, PROC_STATE_STOPPED)
wait_for_process_deletion(pm_client, name)
ps = pm_client.process_list()
assert len(ps) == 0