def create_pvc_pod(self, rbd_sc_obj, cephfs_sc_obj, number_of_pvc, size,
start_io):
"""
Function to create multiple PVC of different type and created pods on them.
Args:
rbd_sc_obj (obj_dict): rbd storageclass object
cephfs_sc_obj (obj_dict): cephfs storageclass object
number_of_pvc (int): pvc count to be created for each types
size (str): size of each pvc to be created eg: '10Gi'
start_io (boolean): Ture to start and False not to start IO
"""
log.info(f"Create {number_of_pvc} pvcs and pods")
self.delete_pod_count = round(number_of_pvc / 2)
cephfs_pvcs = helpers.create_multiple_pvc_parallel(
cephfs_sc_obj,
self.namespace,
number_of_pvc,
size,
access_modes=[
constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX
],
)
rbd_pvcs = helpers.create_multiple_pvc_parallel(
rbd_sc_obj,
self.namespace,
number_of_pvc,
size,
access_modes=[
constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX
],
)
# Appending all the pvc obj to base case param for cleanup and evaluation
self.all_pvc_obj.extend(cephfs_pvcs + rbd_pvcs)
# Create pods with above pvc list
cephfs_pods = helpers.create_pods_parallel(cephfs_pvcs, self.namespace,
constants.CEPHFS_INTERFACE)
rbd_rwo_pvc, rbd_rwx_pvc = ([] for i in range(2))
for pvc_obj in rbd_pvcs:
if pvc_obj is not None:
if type(pvc_obj) is list:
for pvc_ in pvc_obj:
if pvc_.get_pvc_access_mode == constants.ACCESS_MODE_RWX:
rbd_rwx_pvc.append(pvc_)
else:
rbd_rwo_pvc.append(pvc_)
else:
if pvc_obj.get_pvc_access_mode == constants.ACCESS_MODE_RWX:
rbd_rwx_pvc.append(pvc_obj)
else:
rbd_rwo_pvc.append(pvc_obj)
rbd_rwo_pods = helpers.create_pods_parallel(rbd_rwo_pvc,
self.namespace,
constants.CEPHBLOCKPOOL)
rbd_rwx_pods = helpers.create_pods_parallel(rbd_rwx_pvc,
self.namespace,
constants.CEPHBLOCKPOOL,
raw_block_pv=True)
temp_pod_objs = list()
temp_pod_objs.extend(cephfs_pods + rbd_rwo_pods)
# Appending all the pod obj to base case param for cleanup and evaluation
self.all_pod_obj.extend(temp_pod_objs + rbd_rwx_pods)
# IO will start based on TC requirement
if start_io:
threads = list()
for pod_obj in temp_pod_objs:
process = threading.Thread(
target=pod_obj.run_io,
args=(
"fs",
"512M",
),
)
process.start()
threads.append(process)
for pod_obj in rbd_rwx_pods:
process = threading.Thread(
target=pod_obj.run_io,
args=(
"block",
"512M",
),
)
process.start()
threads.append(process)
for process in threads:
process.join()
def create_multi_pvc_pod(self,
pods_per_iter=5,
io_runtime=3600,
start_io=False,
pvc_size=None):
"""
Function to create PVC of different type and attach them to PODs and start IO.
Args:
pods_per_iter (int): Number of PVC-POD to be created per PVC type
Example, If 2 then 8 PVC+POD will be created with 2 each of 4 PVC types
io_runtime (sec): Fio run time in seconds
start_io (bool): If True start IO else don't
pvc_size (Gi): size of PVC
Returns:
pod_objs (obj): Objs of all the PODs created
pvc_objs (obj): Objs of all the PVCs created
"""
rbd_sc = helpers.default_storage_class(constants.CEPHBLOCKPOOL)
cephfs_sc = helpers.default_storage_class(constants.CEPHFILESYSTEM)
pvc_size = pvc_size or f"{random.randrange(15, 105, 5)}Gi"
fio_size = get_size_based_on_cls_usage()
fio_rate = get_rate_based_on_cls_iops()
logging.info(f"Create {pods_per_iter * 4} PVCs and PODs")
# Create PVCs
cephfs_pvcs = helpers.create_multiple_pvc_parallel(
sc_obj=cephfs_sc,
namespace=self.namespace,
number_of_pvc=pods_per_iter,
size=pvc_size,
access_modes=[
constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX
],
)
rbd_pvcs = helpers.create_multiple_pvc_parallel(
sc_obj=rbd_sc,
namespace=self.namespace,
number_of_pvc=pods_per_iter,
size=pvc_size,
access_modes=[
constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX
],
)
# Appending all the pvc_obj and pod_obj to list
pvc_objs, pod_objs = ([] for i in range(2))
pvc_objs.extend(cephfs_pvcs + rbd_pvcs)
# Create pods with above pvc list
cephfs_pods = helpers.create_pods_parallel(
cephfs_pvcs,
self.namespace,
constants.CEPHFS_INTERFACE,
pod_dict_path=self.pod_dict_path,
sa_name=self.sa_name,
dc_deployment=self.dc_deployment,
node_selector=self.node_selector,
)
rbd_rwo_pvc, rbd_rwx_pvc = ([] for i in range(2))
for pvc_obj in rbd_pvcs:
if pvc_obj.get_pvc_access_mode == constants.ACCESS_MODE_RWX:
rbd_rwx_pvc.append(pvc_obj)
else:
rbd_rwo_pvc.append(pvc_obj)
rbd_rwo_pods = helpers.create_pods_parallel(
rbd_rwo_pvc,
self.namespace,
constants.CEPHBLOCKPOOL,
pod_dict_path=self.pod_dict_path,
sa_name=self.sa_name,
dc_deployment=self.dc_deployment,
node_selector=self.node_selector,
)
rbd_rwx_pods = helpers.create_pods_parallel(
rbd_rwx_pvc,
self.namespace,
constants.CEPHBLOCKPOOL,
pod_dict_path=self.pod_dict_path,
sa_name=self.sa_name,
dc_deployment=self.dc_deployment,
raw_block_pv=True,
node_selector=self.node_selector,
)
temp_pod_objs = list()
temp_pod_objs.extend(cephfs_pods + rbd_rwo_pods)
# Appending all the pod_obj to list
pod_objs.extend(temp_pod_objs + rbd_rwx_pods)
# Start IO
if start_io:
threads = list()
for pod_obj in temp_pod_objs:
process = threading.Thread(
target=pod_obj.run_io,
kwargs={
"storage_type": "fs",
"size": fio_size,
"runtime": io_runtime,
"rate": fio_rate,
},
)
process.start()
threads.append(process)
time.sleep(30)
for pod_obj in rbd_rwx_pods:
process = threading.Thread(
target=pod_obj.run_io,
kwargs={
"storage_type": "block",
"size": fio_size,
"runtime": io_runtime,
"rate": fio_rate,
},
)
process.start()
threads.append(process)
time.sleep(30)
for process in threads:
process.join()
return pod_objs, pvc_objs
def create_pvc_pod(self, rbd_sc_obj, cephfs_sc_obj, number_of_pvc, size):
"""
Function to create multiple PVC of different type and bind mount them to pods
Args:
rbd_sc_obj (obj_dict): rbd storageclass object
cephfs_sc_obj (obj_dict): cephfs storageclass object
number_of_pvc (int): pvc count to be created for each types
size (str): size of each pvc to be created eg: '10Gi'
"""
log.info(f"Create {number_of_pvc} pvcs and pods")
cephfs_pvcs = helpers.create_multiple_pvc_parallel(
cephfs_sc_obj,
self.namespace,
number_of_pvc,
size,
access_modes=[constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX],
)
rbd_pvcs = helpers.create_multiple_pvc_parallel(
rbd_sc_obj,
self.namespace,
number_of_pvc,
size,
access_modes=[constants.ACCESS_MODE_RWO, constants.ACCESS_MODE_RWX],
)
# Appending all the pvc obj to base case param for cleanup and evaluation
self.all_pvc_obj.extend(cephfs_pvcs + rbd_pvcs)
# Create pods with above pvc list
cephfs_pods = helpers.create_pods_parallel(
cephfs_pvcs, self.namespace, constants.CEPHFS_INTERFACE
)
rbd_rwo_pvc, rbd_rwx_pvc = ([] for i in range(2))
for pvc_obj in rbd_pvcs:
if pvc_obj.get_pvc_access_mode == constants.ACCESS_MODE_RWX:
rbd_rwx_pvc.append(pvc_obj)
else:
rbd_rwo_pvc.append(pvc_obj)
rbd_rwo_pods = helpers.create_pods_parallel(
rbd_rwo_pvc, self.namespace, constants.CEPHBLOCKPOOL
)
rbd_rwx_pods = helpers.create_pods_parallel(
rbd_rwx_pvc, self.namespace, constants.CEPHBLOCKPOOL, raw_block_pv=True
)
temp_pod_objs = list()
temp_pod_objs.extend(cephfs_pods + rbd_rwo_pods)
# Appending all the pod obj to base class param for cleanup and evaluation
self.all_pod_obj.extend(temp_pod_objs + rbd_rwx_pods)
# Start respective IO on all the created PODs
threads = list()
for pod_obj in temp_pod_objs:
process = threading.Thread(
target=pod_obj.run_io,
args=(
"fs",
"512M",
),
)
process.start()
threads.append(process)
for pod_obj in rbd_rwx_pods:
process = threading.Thread(
target=pod_obj.run_io,
args=(
"block",
"512M",
),
)
process.start()
threads.append(process)
for process in threads:
process.join()
