def _check_pods_using_same_pvc_are_on_same_zone(self, storage_class_name):
pod_names = set()
for i in range(5):
pod_names.add('pod-' + str(i))
# create PVC
pvc_name = 'topology-single-pvc-' + storage_class_name
KubeUtils.create_pvc_with_cleanup(self,
pvc_name,
storage_class_name,
volumeMode='Block')
# Create Pods
for pod_name in pod_names:
pod = KubeUtils.get_block_consumer_pod_template(pod_name, pvc_name)
KubeUtils.create_pod(pod)
# cleanup
def pods_cleanup():
for pod_name in pod_names:
KubeUtils.delete_pod(pod_name)
for pod_name in pod_names:
KubeUtils.wait_for_pod_to_delete(pod_name)
self.addCleanup(pods_cleanup)
for pod_name in pod_names:
KubeUtils.wait_for_pod_to_be_running(pod_name, attempts=15)
# collect Pod, Node and Zone data
info = self._collect_pods_info(pod_names)
# at least 2 different zones
all_zones = set()
for pod_name, pod_info in info.iteritems():
all_zones.add(pod_info['zone'])
print('all_zones = %s' % all_zones)
self.assertEqual(len(all_zones), 1)
def _create_multiple_pods_each_with_own_pvc(self,
storage_class_name,
num_of_pods=6):
pod_names = set()
pvc_names = set()
for i in range(num_of_pods):
pod_names.add('pod-' + str(i))
pvc_names.add('pvc-' + str(i))
# create PVCs
for pvc_name in pvc_names:
KubeUtils.create_pvc_with_cleanup(self,
pvc_name,
storage_class_name,
volumeMode='Block')
# Create Pods
for i in range(num_of_pods):
pod_name = 'pod-' + str(i)
pvc_name = 'pvc-' + str(i)
pod = KubeUtils.get_block_consumer_pod_template(pod_name, pvc_name)
KubeUtils.create_pod(pod)
# pods cleanups
def cleanup():
for pod_name in pod_names:
KubeUtils.delete_pod(pod_name)
for pod_name in pod_names:
KubeUtils.wait_for_pod_to_delete(pod_name)
self.addCleanup(cleanup)
for pod_name in pod_names:
KubeUtils.wait_for_pod_to_be_running(pod_name, attempts=30)
return pod_names