def test_replicaset_creation_timestamp(self):
c_redis = _utils.create_container(name="redis", image="redis")
c_nginx_1 = _utils.create_container(name="nginx", image="nginx")
c_nginx_2 = _utils.create_container(name="postgres",
image="postgres:alpine")
name = "yodep-{0}".format(str(uuid.uuid4()))
dep = _utils.create_deployment(name=name)
dep.add_container(c_redis)
dep.desired_replicas = 2
if _utils.is_reachable(dep.config):
dep.create()
self.assertEqual(1, dep.revision)
dep.add_container(c_nginx_1)
dep.update()
dep.get()
self.assertEqual(2, dep.revision)
dep.add_container(c_nginx_2)
dep.update()
dep.get()
self.assertEqual(3, dep.revision)
rsets = K8sReplicaSet(config=dep.config, name="yo").list()
for i in range(0, len(rsets) - 1):
self.assertGreaterEqual(rsets[i].creation_timestamp,
rsets[i + 1].creation_timestamp)
def create_rs(config=None, name=None):
if config is None:
config = create_config()
obj = K8sReplicaSet(
config=config,
name=name,
)
return obj
def test_purge_replica_set(self):
c_redis = _utils.create_container(name="redis", image="redis")
c_nginx = _utils.create_container(name="nginx", image="nginx")
c_postgres = _utils.create_container(name="postgres",
image="postgres:alpine")
# c_memcached = utils.create_container(name="memcached", image="memcached:alpine")
name = "yodep-{0}".format(str(uuid.uuid4()))
dep = _utils.create_deployment(name=name)
dep.add_container(c_redis)
dep.desired_replicas = 2
if _utils.is_reachable(dep.config):
dep.create()
dep.add_container(c_nginx)
dep.update()
dep.add_container(c_postgres)
dep.update()
rsets = K8sReplicaSet(config=dep.config, name="yo").list()
self.assertEqual(3, len(rsets))
dep.purge_replica_sets(keep=2)
rsets = K8sReplicaSet(config=dep.config, name="yo").list()
self.assertEqual(2, len(rsets))
def purge_replica_sets(self, keep=3):
"""
Builds a list of ReplicaSets, sorted from newest to oldest.
Slices the array, keeping the most X most recent ReplicaSets.
:param keep: The number of ReplicaSets to keep.
:return: None
"""
rsets = K8sReplicaSet(config=self.config,
name="yo").list(pattern=self.name, reverse=True)
to_purge = rsets[keep:]
for rset in to_purge:
rset.delete(cascade=True)
def test_delete_cascade(self):
c_redis = _utils.create_container(name="redis", image="redis")
c_nginx = _utils.create_container(name="nginx", image="nginx")
name = "yodep-{0}".format(str(uuid.uuid4()))
dep = _utils.create_deployment(name=name)
dep.add_container(c_redis)
dep.desired_replicas = 3
if _utils.is_reachable(dep.config):
dep.create()
dep.add_container(c_nginx)
dep.update()
repsets = K8sReplicaSet(config=dep.config, name="yo").list()
self.assertEqual(2, len(repsets))
pods = K8sPod(config=dep.config, name="yo").list()
self.assertLessEqual(3, len(pods)) # rollout burst
dep.delete(cascade=True)
result = dep.list()
self.assertIsInstance(result, list)
self.assertEqual(0, len(result))
repsets = K8sReplicaSet(config=dep.config, name="yo").list()
self.assertEqual(0, len(repsets))
pods = K8sPod(config=dep.config, name="yo").list()
self.assertEqual(0, len(pods))
def test_delete_no_cascade(self):
name = "yocontainer"
container = _utils.create_container(name=name)
name = "yodep-{0}".format(str(uuid.uuid4()))
dep = _utils.create_deployment(name=name)
dep.add_container(container)
dep.desired_replicas = 3
if _utils.is_reachable(dep.config):
dep.create()
dep.delete(cascade=False)
result = dep.list()
self.assertIsInstance(result, list)
self.assertEqual(0, len(result))
repsets = K8sReplicaSet(config=dep.config, name="yo").list()
self.assertEqual(1, len(repsets))
pods = K8sPod(config=dep.config, name="yo").list()
self.assertEqual(3, len(pods))
def delete(self, cascade=False):
# delete cascade on top level
super(K8sDeployment, self).delete(cascade)
if cascade:
rsets = K8sReplicaSet(config=self.config,
name="yo").list(pattern=self.name)
# delete cascade on replicasets
for rset in rsets:
try:
rset.delete(cascade=cascade)
except NotFoundException:
pass
pods = K8sPod(config=self.config,
name="yo").list(pattern=self.name)
# delete cascade on pods
for pod in pods:
try:
pod.delete(cascade=cascade)
except NotFoundException:
pass
return self