def test_pvc_delete_and_verify_size_is_returned_to_backend_pool(
self, pvc_factory, pod_factory):
"""
Test case to verify after delete pvc size returned to backend pools
"""
# TODO: Get exact value of replica size
replica_size = 3
used_before_creating_pvc = fetch_used_size()
logger.info(f"Used before creating PVC {used_before_creating_pvc}")
pvc_obj = pvc_factory(interface=constants.CEPHBLOCKPOOL,
size=10,
status=constants.STATUS_BOUND)
pod_obj = pod_factory(interface=constants.CEPHBLOCKPOOL,
pvc=pvc_obj,
status=constants.STATUS_RUNNING)
pvc_obj.reload()
# Write 3Gb
pod.run_io_and_verify_mount_point(pod_obj, bs='10M', count='300')
exp_size = used_before_creating_pvc + (3 * replica_size)
used_after_io = fetch_used_size(exp_size)
logger.info(f"Used space after IO {used_after_io}")
rbd_image_id = pvc_obj.image_uuid
pod_obj.delete()
pod_obj.ocp.wait_for_delete(resource_name=pod_obj.name)
pvc_obj.delete()
pvc_obj.ocp.wait_for_delete(resource_name=pvc_obj.name)
verify_pv_not_exists(pvc_obj, constants.DEFAULT_BLOCKPOOL,
rbd_image_id)
used_after_deleting_pvc = fetch_used_size(used_before_creating_pvc)
logger.info(f"Used after deleting PVC {used_after_deleting_pvc}")
def test_pvc_delete_and_verify_size_is_returned_to_backend_pool(self):
"""
Test case to verify after delete pvc size returned to backend pools
"""
used_before_creating_pvc = check_ceph_used_space()
logger.info(f"Used before creating pvc {used_before_creating_pvc}")
pvc_obj = create_pvc_and_verify_pvc_exists(
self.sc_obj.name, self.cbp_obj.name
)
pod_obj = helpers.create_pod(
interface_type=constants.CEPHBLOCKPOOL, pvc_name=pvc_obj.name
)
helpers.wait_for_resource_state(pod_obj, constants.STATUS_RUNNING)
pod_obj.reload()
used_percentage = pod.run_io_and_verify_mount_point(pod_obj)
assert used_percentage > '90%', "I/O's didn't run completely"
used_after_creating_pvc = check_ceph_used_space()
logger.info(f"Used after creating pvc {used_after_creating_pvc}")
assert used_before_creating_pvc < used_after_creating_pvc
pod_obj.delete()
pvc_obj.delete()
verify_pv_not_exists(pvc_obj, self.cbp_obj.name)
used_after_deleting_pvc = check_ceph_used_space()
logger.info(f"Used after deleting pvc {used_after_deleting_pvc}")
assert used_after_deleting_pvc < used_after_creating_pvc
assert (abs(
used_after_deleting_pvc - used_before_creating_pvc) < 0.2
)
def test_pvc_delete_and_verify_size_is_returned_to_backend_pool(self):
"""
Test case to verify after delete pvc size returned to backend pools
"""
used_before_creating_pvc = check_ceph_used_space()
logger.info(f"Used before creating pvc {used_before_creating_pvc}")
pvc_obj = create_pvc_and_verify_pvc_exists(
self.sc_obj.name, self.cbp_obj.name
)
pod_data = templating.load_yaml_to_dict(constants.CSI_RBD_POD_YAML)
pod_data['spec']['volumes'][0]['persistentVolumeClaim'][
'claimName'
] = pvc_obj.name
pod_obj = helpers.create_pod(**pod_data)
used_percentage = pod.run_io_and_verify_mount_point(pod_obj)
assert used_percentage > '90%', "I/O's didn't run completely"
used_after_creating_pvc = check_ceph_used_space()
logger.info(f"Used after creating pvc {used_after_creating_pvc}")
assert used_before_creating_pvc < used_after_creating_pvc
pod_obj.delete()
pvc_obj.delete()
verify_pv_not_exists(pvc_obj.backed_pv, self.cbp_obj.name)
used_after_deleting_pvc = check_ceph_used_space()
logger.info(f"Used after deleting pvc {used_after_deleting_pvc}")
assert used_after_deleting_pvc < used_after_creating_pvc
assert (abs(
used_after_deleting_pvc - used_before_creating_pvc) < 0.2)
def test_pvc_delete_and_verify_size_is_returned_to_backend_pool(
self, pause_cluster_load, pvc_factory, pod_factory
):
"""
Test case to verify after delete pvc size returned to backend pools
"""
cbp_name = helpers.default_ceph_block_pool()
# TODO: Get exact value of replica size
replica_size = 3
pvc_obj = pvc_factory(
interface=constants.CEPHBLOCKPOOL, size=10,
status=constants.STATUS_BOUND
)
pod_obj = pod_factory(
interface=constants.CEPHBLOCKPOOL, pvc=pvc_obj,
status=constants.STATUS_RUNNING
)
pvc_obj.reload()
used_before_io = fetch_used_size(cbp_name)
logger.info(f"Used before IO {used_before_io}")
# Write 6Gb
pod.run_io_and_verify_mount_point(pod_obj, bs='10M', count='600')
exp_size = used_before_io + (6 * replica_size)
used_after_io = fetch_used_size(cbp_name, exp_size)
logger.info(f"Used space after IO {used_after_io}")
rbd_image_id = pvc_obj.image_uuid
pod_obj.delete()
pod_obj.ocp.wait_for_delete(resource_name=pod_obj.name)
pvc_obj.delete()
pvc_obj.ocp.wait_for_delete(resource_name=pvc_obj.name)
verify_pv_not_exists(
pvc_obj, cbp_name, rbd_image_id
)
used_after_deleting_pvc = fetch_used_size(cbp_name, used_before_io)
logger.info(f"Used after deleting PVC {used_after_deleting_pvc}")
def test_pvc_delete_and_verify_size_is_returned_to_backend_pool(self):
"""
Test case to verify after delete pvc size returned to backend pools
"""
failed_to_delete = []
ceph_obj1 = CephCluster()
used_before_creating_pvc = ceph_obj1.check_ceph_pool_used_space(
cbp_name=self.cbp_obj.name)
logger.info(f"Used before creating PVC {used_before_creating_pvc}")
pvc_obj = create_pvc_and_verify_pvc_exists(self.sc_obj.name,
self.cbp_obj.name)
pod_obj = helpers.create_pod(interface_type=constants.CEPHBLOCKPOOL,
pvc_name=pvc_obj.name)
helpers.wait_for_resource_state(pod_obj, constants.STATUS_RUNNING)
pod_obj.reload()
pod.run_io_and_verify_mount_point(pod_obj, bs='10M', count='300')
used_after_creating_pvc = ceph_obj1.check_ceph_pool_used_space(
cbp_name=self.cbp_obj.name)
logger.info(f"Used after creating PVC {used_after_creating_pvc}")
assert used_before_creating_pvc < used_after_creating_pvc
rbd_image_id = pvc_obj.image_uuid
for resource in pod_obj, pvc_obj:
resource.delete()
try:
resource.ocp.wait_for_delete(resource)
except TimeoutError:
failed_to_delete.append(resource)
if failed_to_delete:
raise UnexpectedBehaviour(
f"Failed to delete resources: {failed_to_delete}")
verify_pv_not_exists(pvc_obj, self.cbp_obj.name, rbd_image_id)
ceph_obj2 = CephCluster()
used_after_deleting_pvc = ceph_obj2.check_ceph_pool_used_space(
cbp_name=self.cbp_obj.name)
logger.info(f"Used after deleting PVC {used_after_deleting_pvc}")
assert used_after_deleting_pvc < used_after_creating_pvc
assert (abs(used_after_deleting_pvc - used_before_creating_pvc) < 0.5)
