class DParentTest(metaclass=abc.ABCMeta):
"""
This class contains the standard info and methods which are needed by
disruptive testss
TEST_RES: states the result of the test case
"""
def __init__(self,
mname: str,
param_obj,
volume_type: str,
env_obj,
log_path: str,
log_level: str = 'I'):
"""
Creates volume
And runs the specific component in the
test case
"""
server_details = param_obj.get_server_config()
client_details = param_obj.get_client_config()
self.TEST_RES = True
self.setup_done = False
self.volume_type = volume_type
self.vol_type_inf = param_obj.get_volume_types()
self.test_name = mname
self.vol_name = (f"{mname}-{volume_type}")
self._configure(self.vol_name, server_details, client_details, env_obj,
log_path, log_level)
self.server_list = param_obj.get_server_ip_list()
self.client_list = param_obj.get_client_ip_list()
self.brick_roots = param_obj.get_brick_roots()
def _configure(self, mname: str, server_details: dict,
client_details: dict, env_obj, log_path: str,
log_level: str):
self.redant = RedantMixin(server_details, client_details, env_obj)
self.redant.init_logger(mname, log_path, log_level)
self.redant.establish_connection()
def setup_test(self):
pass
@classmethod
def setup_custom_enable(cls, fun):
def inner(self, *args, **kwargs):
self.setup_done = True
return fun(self, *args, **kwargs)
return inner
@abc.abstractmethod
def run_test(self, redant):
pass
def parent_run_test(self):
"""
Function to handle the exception logic and invokes the run_test
which is overridden by every TC.
"""
try:
self.redant.start_glusterd(self.server_list)
self.redant.create_cluster(self.server_list)
# Call setup in case you want to override volume creation,
# start, mounting in the TC
self.setup_test()
if not self.setup_done and self.volume_type != "Generic":
self.redant.setup_volume(self.vol_name,
self.server_list[0],
self.vol_type_inf[self.volume_type],
self.server_list,
self.brick_roots,
force=True)
self.mountpoint = (f"/mnt/{self.vol_name}")
for client in self.client_list:
self.redant.execute_abstract_op_node(
f"mkdir -p "
f"{self.mountpoint}", client)
self.redant.volume_mount(self.server_list[0],
self.vol_name, self.mountpoint,
client)
self.run_test(self.redant)
except Exception as error:
tb = traceback.format_exc()
self.redant.logger.error(error)
self.redant.logger.error(tb)
if self.TEST_RES is None:
self.SKIP_REASON = error
else:
self.TEST_RES = False
def terminate(self):
"""
Closes connection for now.
"""
# Check if all nodes are up and running.
for machine in self.server_list + self.client_list:
ret = self.redant.wait_node_power_up(machine)
if not ret:
self.redant.logger.error(f"{machine} is offline.")
# Validate that glusterd is up and running in the servers.
self.redant.start_glusterd(self.server_list)
if not self.redant.wait_for_glusterd_to_start(self.server_list):
raise Exception("Glusterd start failed.")
try:
# Peer probe and validate all peers are in connected state.
self.redant.peer_probe_servers(self.server_list,
self.server_list[0])
except Exception as error:
tb = traceback.format_exc()
self.redant.logger.error(error)
self.redant.logger.error(tb)
try:
for (opt, _) in self.redant.es.get_vol_options_all().items():
self.redant.reset_volume_option('all', opt,
self.server_list[0])
self.redant.cleanup_volumes(self.server_list)
except Exception as error:
tb = traceback.format_exc()
self.redant.logger.error(error)
self.redant.logger.error(tb)
self.redant.hard_terminate(self.server_list, self.client_list,
self.brick_roots)
finally:
self.redant.deconstruct_connection()
class environ:
"""
Framework level control on the gluster environment. Controlling both
the setup and the cleanup.
"""
def __init__(self, param_obj, es, error_handler, log_path: str,
log_level: str):
"""
Redant mixin obj to be used for server setup and teardown operations
has to be created.
"""
self.spinner = Halo(spinner='dots')
self.redant = RedantMixin(param_obj.get_server_config(),
param_obj.get_client_config(), es)
self.redant.init_logger("environ", log_path, log_level)
try:
self.redant.establish_connection()
except paramiko.ssh_exception.NoValidConnectionsError as e:
error_handler(
e, '''
It seems one of the nodes is down.
Message: {exc}.
Check and run again.
''')
except paramiko.ssh_exception.AuthenticationException as e:
error_handler(
e, """
Authentication failed.
Message: {exc}
Check and run again.
""")
except timeout as e:
error_handler(
e, """
Oops! There was a timeout connecting the servers.
Message: {exc}
Check and run again.
""")
except Exception as e:
error_handler(e)
self.server_list = param_obj.get_server_ip_list()
self.client_list = param_obj.get_client_ip_list()
self.brick_root = param_obj.get_brick_roots()
def get_framework_logger(self):
"""
To return the framework logger object
"""
return self.redant.logger
def _transfer_files_to_machines(self, machines: list, spath: str,
dpath: str):
"""
Transfers files from source path to destination
path
"""
remove = False
if self.redant.path_exists(machines, [dpath]):
remove = True
for node in machines:
self.redant.logger.info(f'Copying file to {node}')
self.redant.transfer_file_from_local(spath, dpath, node, remove)
def _check_and_copy_io_script(self):
"""
Check if the I/O script exists in the client
machines. If not transfer it there.
"""
io_script_dpath = '/tmp/file_dir_ops.py'
io_script_spath = f'{os.getcwd()}/tools/file_dir_ops.py'
self._transfer_files_to_machines(
list(set(self.client_list + self.server_list)), io_script_spath,
io_script_dpath)
def _list_of_machines_without_arequal(self, machines: list):
"""
This function returns the list of machines without
arequal checksum installed on it.
"""
cmd = "arequal-checksum"
machines = set(machines)
arequal_machines = []
for machine in machines:
ret = self.redant.execute_abstract_op_node(cmd, machine, False)
if ret['error_code'] != 64:
arequal_machines.append(machine)
return arequal_machines
def _check_and_install_arequal_checksum(self):
"""
Checks if arequal checksum is present on
the servers and clients and if not present
installs it.
"""
arequal_dpath = '/tmp/arequal_install.sh'
arequal_spath = f'{os.getcwd()}/tools/arequal_install.sh'
arequal_machines = self._list_of_machines_without_arequal(
self.client_list + self.server_list)
if len(arequal_machines) > 0:
self._transfer_files_to_machines(arequal_machines, arequal_spath,
arequal_dpath)
cmd = f"sh {arequal_dpath}"
self.redant.execute_abstract_op_multinode(cmd, arequal_machines)
def setup_env(self):
"""
Setting up of the environment before the TC execution begins.
"""
# invoke the hard reset or hard terminate.
self.spinner.start("Setting up environment")
self.redant.hard_terminate(self.server_list, self.client_list,
self.brick_root)
try:
self.redant.start_glusterd(self.server_list)
self.redant.create_cluster(self.server_list)
self._check_and_copy_io_script()
self._check_and_install_arequal_checksum()
self.spinner.succeed("Environment setup successful.")
except Exception as error:
tb = traceback.format_exc()
self.redant.logger.error(error)
self.redant.logger.error(tb)
self.spinner.fail("Environment setup failed.")
sys.exit(0)
def teardown_env(self):
"""
The teardown of the complete environment once the test framework
ends.
"""
self.spinner.start("Tearing down environment.")
try:
self.redant.hard_terminate(self.server_list, self.client_list,
self.brick_root)
self.spinner.succeed("Tearing down successful.")
except Exception as error:
tb = traceback.format_exc()
self.redant.logger.error(error)
self.redant.logger.error(tb)
self.spinner.fail("Environment Teardown failed.")