def fin():
for num in range(1, 4):
try:
replicas = Replicas(topo.ins["standalone{}".format(num)])
replicas.disable(NEW_SUFFIX)
log.info("standalone{} is disabled now".format(num))
except:
pass
def test_basic(topo, new_suffixes, clean_up):
"""Check basic replica functionality
:feature: Replication
:steps: 1. Enable replication on supplier. hub and consumer
2. Create agreements: supplier-hub, hub-consumer
3. Test supplier-consumer replication
4. Disable replication
5. Check that replica, agreements and changelog were deleted
:expectedresults: No errors happen, replication is successfully enabled and disabled
"""
supplier = topo.ins["standalone1"]
hub = topo.ins["standalone2"]
consumer = topo.ins["standalone3"]
log.info("Enable replicas (create replica and changelog entries)")
supplier_replicas = Replicas(supplier)
supplier_replicas.enable(suffix=NEW_SUFFIX,
role=ReplicaRole.SUPPLIER,
replicaID=REPLICA_SUPPLIER_ID)
ents = supplier_replicas.list()
assert len(ents) == 1
ents = supplier.changelog.list()
assert len(ents) == 1
hub_replicas = Replicas(hub)
hub_replicas.enable(suffix=NEW_SUFFIX,
role=ReplicaRole.HUB,
replicaID=CONSUMER_REPLICAID)
ents = hub_replicas.list()
assert len(ents) == 1
ents = hub.changelog.list()
assert len(ents) == 1
consumer_replicas = Replicas(consumer)
consumer_replicas.enable(suffix=NEW_SUFFIX, role=ReplicaRole.CONSUMER)
ents = consumer_replicas.list()
assert len(ents) == 1
log.info("Create agreements between the instances")
supplier.agreement.create(suffix=NEW_SUFFIX, host=hub.host, port=hub.port)
ents = supplier.agreement.list(suffix=NEW_SUFFIX)
assert len(ents) == 1
hub.agreement.create(suffix=NEW_SUFFIX,
host=consumer.host,
port=consumer.port)
ents = hub.agreement.list(suffix=NEW_SUFFIX)
assert len(ents) == 1
log.info("Test replication")
supplier_replicas.test(NEW_SUFFIX, consumer)
log.info("Disable replication")
supplier_replicas.disable(suffix=NEW_SUFFIX)
hub_replicas.disable(suffix=NEW_SUFFIX)
consumer_replicas.disable(suffix=NEW_SUFFIX)
log.info("Check that replica, agreements and changelog were deleted")
for num in range(1, 4):
log.info("Checking standalone{} instance".format(num))
inst = topo.ins["standalone{}".format(num)]
log.info("Checking that replica entries don't exist")
replicas = Replicas(inst)
ents = replicas.list()
assert len(ents) == 0
log.info("Checking that changelog doesn't exist")
ents = inst.changelog.list()
assert len(ents) == 0
log.info(
"Checking that agreements can't be acquired because the replica entry doesn't exist"
)
with pytest.raises(NoSuchEntryError) as e:
inst.agreement.list(suffix=NEW_SUFFIX)
assert "no replica set up" in e.msg
