def test_node_affinity_with_required(self):
model = _constants.pod_with_node_affinity()
pod = Pod(model)
config = _utils.create_config()
k8s = K8sPod(config=config, name="yo")
k8s.model = pod
if _utils.is_reachable(config):
# ensure we have enough nodes
nodes = K8sNode(config=config, name="yo").list()
self.assertGreaterEqual(len(nodes), 3)
# tag the nodes
for i in range(len(nodes)):
node = nodes[i]
if i == 0:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az1'})
if i == 1:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az2'})
if i == 2:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az3'})
node.update()
nodes = K8sNode(config=config, name="yo").list()
for node in nodes:
self.assertIn('kubernetes.io/e2e-az-name', node.labels)
# create the pod
k8s.create()
# untag the nodes
for node in nodes:
node.labels.pop('kubernetes.io/e2e-az-name', None)
node.update()
pass
def list(self, pattern=None, labels=None):
ls = super(K8sPod, self).list(labels=labels)
pods = list(map(lambda pod: Pod(pod), ls))
if pattern is not None:
pods = list(filter(lambda pod: pattern in pod.name, pods))
k8s = list()
for x in pods:
p = K8sPod(config=self.config, name=x.name).from_model(m=x)
k8s.append(p)
return k8s
def list(self, pattern=None):
ls = super(K8sPod, self).list()
pods = map(lambda x: Pod(x), ls)
if pattern is not None:
pods = filter(lambda x: pattern in x.name, pods)
k8s = []
for x in pods:
p = K8sPod(config=self.config, name=x.name)
p.model = x
k8s.append(p)
return k8s
def test_pod_affinity_no_good_nodes(self):
model = _constants.pod_with_pod_affinity()
pod = Pod(model)
config = _utils.create_config()
k8s = K8sPod(config=config, name="yo")
k8s.model = pod
if _utils.is_reachable(config):
nodes = K8sNode(config=config, name="yo").list()
# untag all nodes
for node in nodes:
node.labels.pop('kubernetes.io/e2e-az-name', None)
node.update()
with self.assertRaises(TimedOutException):
# timeout because of required
k8s.create()
def test_pod_affinities(self):
config = _utils.create_config()
container = _utils.create_container(name="nginx", image="nginx:latest")
pod_s1 = _utils.create_pod(config=config, name="s1")
pod_s1.labels.update({'security': 'S1'})
pod_s1.node_selector = {'kubernetes.io/e2e-az-name': 'e2e-az1'}
pod_s1.add_container(container)
pod_s2 = _utils.create_pod(config=config, name="s2")
pod_s2.labels.update({'security': 'S2'})
pod_s2.node_selector = {'kubernetes.io/e2e-az-name': 'e2e-az2'}
pod_s2.add_container(container)
model = _constants.pod_with_pod_affinity()
pod = Pod(model)
config = _utils.create_config()
k8s = K8sPod(config=config, name="yo")
k8s.model = pod
if _utils.is_reachable(config):
# ensure we have enough nodes
nodes = K8sNode(config=config, name="yo").list()
if len(nodes) < 3:
self.skipTest(reason='Not enough nodes to perform test.')
else:
self.assertGreaterEqual(len(nodes), 3)
# tag the nodes
for i in range(len(nodes)):
node = nodes[i]
if i == 0:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az1'})
if i == 1:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az2'})
if i == 2:
node.labels.update(
{'kubernetes.io/e2e-az-name': 'e2e-az3'})
node.update()
# create the pods for affinity lookup
pod_s1.create()
pod_s2.create()
# create the pod with affinities
k8s.create()
pass
def get_by_name(config=None, name=None):
if config is None:
config = K8sConfig()
if not is_valid_string(name):
raise SyntaxError(
'K8sPod.get_by_name(): name: [ {0} ] is invalid.'.format(name))
pod_list = []
data = {'labelSelector': 'name={0}'.format(name)}
pods = K8sPod(config=config, name=name).get_with_params(data=data)
for pod in pods:
try:
p = Pod(pod)
k8s_pod = K8sPod(config=config, name=p.metadata.name).get()
pod_list.append(k8s_pod)
except NotFoundException:
pass
return pod_list
def get_by_labels(config=None, labels=None):
if config is None:
config = K8sConfig()
if not is_valid_dict(labels):
raise SyntaxError(
'K8sPod.get_by_labels(): labels: [ {} ] is invalid.'.format(
labels))
pod_list = []
selector = ",".join(
['%s=%s' % (key, value) for (key, value) in labels.items()])
data = {'labelSelector': selector}
p = K8sPod(config=config, name=labels['name'])
pods = p.get_with_params(data=data)
for pod in pods:
try:
p = Pod(pod)
k8s_pod = K8sPod(config=config, name=p.metadata.name).get()
pod_list.append(k8s_pod)
except NotFoundException:
pass
return pod_list
def get(self):
self.model = Pod(model=self.get_model())
return self
def __init__(self, config=None, name=None):
K8sPodBasedObject.__init__(self, config=config, obj_type='Pod', name=name)
self.model = Pod(name=name, namespace=self.config.namespace)
if self.config.pull_secret is not None:
self.model.add_image_pull_secrets(name=self.config.pull_secret)
class K8sPod(K8sPodBasedObject):
def __init__(self, config=None, name=None):
K8sPodBasedObject.__init__(self, config=config, obj_type='Pod', name=name)
self.model = Pod(name=name, namespace=self.config.namespace)
if self.config.pull_secret is not None:
self.model.add_image_pull_secrets(name=self.config.pull_secret)
# ------------------------------------------------------------------------------------- add
def add_annotation(self, k=None, v=None):
self.model.add_pod_annotation(k=k, v=v)
return self
def add_label(self, k=None, v=None):
self.model.add_pod_label(k=k, v=v)
return self
# ------------------------------------------------------------------------------------- delete
def del_annotation(self, k=None):
self.model.del_pod_annotation(k=k)
return self
def del_label(self, k=None):
self.model.del_pod_label(k=k)
return self
# ------------------------------------------------------------------------------------- get
def get(self):
self.model = Pod(model=self.get_model())
return self
def get_annotation(self, k=None):
return self.model.get_pod_annotation(k=k)
def get_annotations(self):
return self.model.get_pod_annotations()
def get_label(self, k=None):
return self.model.get_pod_label(k=k)
def get_labels(self):
return self.model.get_pod_labels()
def get_namespace(self):
return self.model.get_pod_namespace()
def get_status(self):
return self.model.get_pod_status()
# ------------------------------------------------------------------------------------- polling readiness
def is_ready(self):
ready = False
status = self.get_status()
if status is not None:
assert isinstance(status, PodStatus)
pod_phase = status.get_pod_phase()
conditions = status.get_pod_conditions()
conditions_ok = 0
for cond in conditions:
assert isinstance(cond, dict)
cond_type = cond.get('type', '')
cond_status = cond.get('status', 'False')
if cond_status == 'True' and cond_type == 'Ready':
conditions_ok += 1
if pod_phase == 'Running' and len(conditions) == conditions_ok:
ready = True
return ready
# ------------------------------------------------------------------------------------- set
def set_annotations(self, dico=None):
self.model.set_pod_annotations(new_dict=dico)
return self
def set_labels(self, dico=None):
self.model.set_pod_labels(dico=dico)
return self
def set_namespace(self, name=None):
self.model.set_pod_namespace(name=name)
return self
# ------------------------------------------------------------------------------------- filtering
@staticmethod
def get_by_name(config=None, name=None):
if name is None:
raise SyntaxError('K8sPod: name: [ {0} ] cannot be None.'.format(name))
if not isinstance(name, str):
raise SyntaxError('K8sPod: name: [ {0} ] must be a string.'.format(name))
pod_list = list()
data = {'labelSelector': 'name={0}'.format(name)}
pods = K8sPod(config=config, name=name).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
return pod_list
@staticmethod
def get_by_labels(config=None, labels=None):
if labels is None:
raise SyntaxError('K8sPod: labels: [ {0} ] cannot be None.'.format(labels))
if not isinstance(labels, dict):
raise SyntaxError('K8sPod: labels: [ {0} ] must be a dict.'.format(labels))
pod_list = list()
my_labels = ",".join(['%s=%s' % (key, value) for (key, value) in labels.items()])
data = dict(labelSelector="{labels}".format(labels=my_labels))
pods = K8sPod(config=config, name=labels.get('name')).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
return pod_list
def get(self):
self.model = Pod(self.get_model())
return self
def __init__(self, config=None, name=None):
super(K8sPod, self).__init__(config=config, obj_type="Pod", name=name)
self.model = Pod(name=name, namespace=self.config.namespace)
if self.config.pull_secret is not None:
self.model.add_image_pull_secrets(name=self.config.pull_secret)
class K8sPod(K8sPodBasedObject):
def __init__(self, config=None, name=None):
super(K8sPod, self).__init__(config=config, obj_type="Pod", name=name)
self.model = Pod(name=name, namespace=self.config.namespace)
if self.config.pull_secret is not None:
self.model.add_image_pull_secrets(name=self.config.pull_secret)
# ------------------------------------------------------------------------------------- override
def create(self):
super(K8sPod, self).create()
self.get()
self._wait_for_readiness()
return self
def update(self):
super(K8sPod, self).update()
self.get()
self._wait_for_readiness()
return self
def _wait_for_readiness(self):
start_time = time.time()
while not self.is_ready():
time.sleep(0.2)
elapsed_time = time.time() - start_time
if elapsed_time >= POD_READY_TIMEOUT_SECONDS:
raise TimedOutException("Timed out on Pod readiness: [ {0} ]".format(self.name))
# ------------------------------------------------------------------------------------- add
def add_annotation(self, k=None, v=None):
self.model.add_pod_annotation(k=k, v=v)
return self
def add_label(self, k=None, v=None):
self.model.add_pod_label(k=k, v=v)
return self
# ------------------------------------------------------------------------------------- delete
def del_annotation(self, k=None):
self.model.del_pod_annotation(k=k)
return self
def del_label(self, k=None):
self.model.del_pod_label(k=k)
return self
# ------------------------------------------------------------------------------------- get
def get(self):
self.model = Pod(model=self.get_model())
return self
def get_annotation(self, k=None):
return self.model.get_pod_annotation(k=k)
def get_annotations(self):
return self.model.get_pod_annotations()
def get_label(self, k=None):
return self.model.get_pod_label(k=k)
def get_labels(self):
return self.model.get_pod_labels()
def get_namespace(self):
return self.model.get_pod_namespace()
def get_status(self):
self.get()
return self.model.get_pod_status()
# ------------------------------------------------------------------------------------- polling readiness
def is_ready(self):
status = self.get_status()
if status is not None and isinstance(status, PodStatus):
pod_phase = status.get_pod_phase()
conditions = status.get_pod_conditions()
conditions_ok = 0
for cond in conditions:
if cond.get("status", "False") == "True":
conditions_ok += 1
if pod_phase == "Running" and len(conditions) == conditions_ok:
return True
return False
# ------------------------------------------------------------------------------------- set
def set_annotations(self, annotations=None):
self.model.set_pod_annotations(annotations)
return self
def set_labels(self, labels=None):
self.model.set_pod_labels(labels)
return self
def set_namespace(self, namespace=None):
self.model.set_pod_namespace(namespace)
return self
# ------------------------------------------------------------------------------------- filtering
@staticmethod
def get_by_name(config=None, name=None):
if name is None:
raise SyntaxError("K8sPod: name: [ {0} ] cannot be None.".format(name))
if not isinstance(name, str):
raise SyntaxError("K8sPod: name: [ {0} ] must be a string.".format(name))
if config is None:
config = K8sConfig()
pod_list = list()
data = {"labelSelector": "name={0}".format(name)}
pods = K8sPod(config=config, name=name).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
return pod_list
@staticmethod
def get_by_labels(config=None, labels=None):
if labels is None:
raise SyntaxError("K8sPod: labels: [ {0} ] cannot be None.".format(labels))
if not isinstance(labels, dict):
raise SyntaxError("K8sPod: labels: [ {0} ] must be a dict.".format(labels))
if config is None:
config = K8sConfig()
pod_list = list()
my_labels = ",".join(["%s=%s" % (key, value) for (key, value) in labels.items()])
data = dict(labelSelector="{labels}".format(labels=my_labels))
pods = K8sPod(config=config, name=labels.get("name")).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
return pod_list
class K8sPod(K8sPodBasedObject):
def __init__(self, config=None, name=None):
K8sPodBasedObject.__init__(self, config=config, obj_type='Pod', name=name)
self.model = Pod(name=name, namespace=self.config.get_namespace())
if self.config.get_pull_secret() is not None:
self.model.add_image_pull_secrets(name=self.config.get_pull_secret())
def add_annotation(self, k, v):
self.model.add_pod_annotation(k=k, v=v)
return self
def add_label(self, k, v):
self.model.add_pod_label(k=k, v=v)
return self
def del_annotation(self, k):
self.model.del_pod_annotation(k=k)
return self
def del_label(self, k):
self.model.del_pod_label(k=k)
return self
def get(self):
self.model = Pod(model=self.get_model())
return self
def get_annotation(self, k):
return self.model.get_pod_annotation(k=k)
def get_annotations(self):
return self.model.get_pod_annotations()
def get_label(self, k):
return self.model.get_pod_label(k=k)
def get_labels(self):
return self.model.get_pod_labels()
def get_status(self):
return self.model.get_pod_status()
def is_ready(self):
ready = False
status = self.get_status()
if status is not None:
assert isinstance(status, PodStatus)
pod_phase = status.get_pod_phase()
conditions = status.get_pod_conditions()
conditions_ok = 0
for cond in conditions:
assert isinstance(cond, dict)
cond_type = cond.get('type', '')
cond_status = cond.get('status', 'False')
if cond_status == 'True' and cond_type == 'Ready':
conditions_ok += 1
if pod_phase == 'Running' and len(conditions) == conditions_ok:
ready = True
return ready
def set_annotations(self, new_dict):
self.model.set_pod_annotations(new_dict=new_dict)
return self
def set_labels(self, new_dict):
self.model.set_pod_labels(new_dict=new_dict)
return self
def set_namespace(self, name):
self.model.set_pod_namespace(name=name)
return self
@staticmethod
def get_by_name(config, name):
try:
pod_list = list()
data = dict(labelSelector="name={pod_name}".format(pod_name=name))
pods = K8sPod(config=config, name=name).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
except Exception as e:
message = "Got an exception of type {my_type} with message {my_msg}"\
.format(my_type=type(e), my_msg=e.message)
raise Exception(message)
return pod_list
@staticmethod
def get_by_labels(config, labels):
assert isinstance(labels, dict)
try:
pod_list = list()
my_labels = ",".join(['%s=%s' % (key, value) for (key, value) in labels.items()])
data = dict(labelSelector="{labels}".format(labels=my_labels))
pods = K8sPod(config=config, name=labels.get('name')).get_with_params(data=data)
for pod in pods:
try:
pod_name = Pod(model=pod).get_pod_name()
pod_list.append(K8sPod(config=config, name=pod_name).get())
except NotFoundException:
pass
except Exception as e:
message = "Got an exception of type {my_type} with message {my_msg}"\
.format(my_type=type(e), my_msg=e.message)
raise Exception(message)
return pod_list