xk6-frostfs/scenarios/preset/preset_grpc.py

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#!/usr/bin/python3
import argparse
import json
import os
import shlex
from concurrent.futures import ProcessPoolExecutor
from subprocess import check_output, CalledProcessError, STDOUT
parser = argparse.ArgumentParser()
parser.add_argument('--size', help='Upload objects size in kb')
parser.add_argument('--containers', help='Number of containers to create')
parser.add_argument('--out', help='JSON file with output')
parser.add_argument('--preload_obj', help='Number of pre-loaded objects')
parser.add_argument(
"--policy",
help="Container placement policy",
default="REP 1 IN X CBF 1 SELECT 1 FROM * AS X"
)
parser.add_argument('--endpoint', help='Node address')
parser.add_argument('--update', help='Save existed containers')
args = parser.parse_args()
print(args)
def main():
container_list = []
objects_struct = []
payload_filepath = '/tmp/data_file'
if args.update:
# Open file
with open(args.out) as f:
data_json = json.load(f)
container_list = data_json['containers']
else:
print(f"Create containers: {args.containers}")
with ProcessPoolExecutor(max_workers=10) as executor:
containers_runs = {executor.submit(create_container): _ for _ in range(int(args.containers))}
for run in containers_runs:
if run.result() is not None:
container_list.append(run.result())
print("Create containers: Completed")
print(f" > Containers: {container_list}")
if not container_list:
return
print(f"Upload objects to each container: {args.preload_obj} ")
random_payload(payload_filepath)
print(" > Create random payload: Completed")
for container in container_list:
print(f" > Upload objects for container {container}")
with ProcessPoolExecutor(max_workers=50) as executor:
objects_runs = {executor.submit(upload_object, container, payload_filepath): _ for _ in
range(int(args.preload_obj))}
for run in objects_runs:
if run.result() is not None:
objects_struct.append({'container': container, 'object': run.result()})
print(f" > Upload objects for container {container}: Completed")
print("Upload objects to each container: Completed")
data = {'containers': container_list, 'objects': objects_struct, 'obj_size': args.size + " Kb"}
with open(args.out, 'w+') as f:
json.dump(data, f, ensure_ascii=False, indent=2)
print(f"Result:")
print(f" > Total Containers has been created: {len(container_list)}.")
print(f" > Total Objects has been created: {len(objects_struct)}.")
def random_payload(payload_filepath):
with open('%s' % payload_filepath, 'w+b') as fout:
fout.write(os.urandom(1024 * int(args.size)))
def execute_cmd(cmd_line):
args = shlex.split(cmd_line)
output = ""
try:
output = check_output(args, stderr=STDOUT).decode()
success = True
except CalledProcessError as e:
output = e.output.decode()
success = False
return output, success
def create_container():
cmd_line = f"neofs-cli --rpc-endpoint {args.endpoint} container create -g --policy '{args.policy}' --basic-acl public-read-write --await"
output, success = execute_cmd(cmd_line)
if not success:
print(f" > Container has not been created:\n{output}")
else:
try:
fst_str = output.split('\n')[0]
except Exception:
print(f"Got empty output: {output}")
return
splitted = fst_str.split(": ")
if len(splitted) != 2:
raise ValueError(f"no CID was parsed from command output: \t{fst_str}")
return splitted[1]
def upload_object(container, payload_filepath):
object_name = ""
cmd_line = f"neofs-cli --rpc-endpoint {args.endpoint} object put -g --file {payload_filepath} --cid {container} --no-progress"
out, success = execute_cmd(cmd_line)
if not success:
print(f" > Object {object_name} has not been uploaded:\n{out}")
else:
try:
# taking second string from command output
snd_str = out.split('\n')[1]
except:
print(f"Got empty input: {out}")
return
splitted = snd_str.split(": ")
if len(splitted) != 2:
raise Exception(f"no OID was parsed from command output: \t{snd_str}")
return splitted[1]
if __name__ == "__main__":
main()