frostfs-testcases/robot/resources/lib/utility_keywords.py

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#!/usr/bin/python3.7
import docker
import os
import shutil
import tarfile
import uuid
from robot.api.deco import keyword
from robot.api import logger
from common import *
ROBOT_AUTO_KEYWORDS = False
@keyword('Generate file of bytes')
def generate_file_of_bytes(size: str) -> str:
"""
Function generates big binary file with the specified size in bytes.
:param size: the size in bytes, can be declared as 6e+6 for example
"""
size = int(float(size))
filename = TEMP_DIR + str(uuid.uuid4())
with open(filename, 'wb') as fout:
fout.write(os.urandom(size))
logger.info(f"Random binary file with size {size} bytes has been generated.")
return f"{os.getcwd()}/{filename}"
@keyword('Get Docker Logs')
def get_container_logs(testcase_name: str) -> None:
client = docker.APIClient(base_url='unix://var/run/docker.sock')
tar_name = f"artifacts/dockerlogs({testcase_name}).tar.gz"
tar = tarfile.open(tar_name, "w:gz")
for container in client.containers():
container_name = container['Names'][0][1:]
if client.inspect_container(container_name)['Config']['Domainname'] == "neofs.devenv":
file_name = f"artifacts/docker_log_{container_name}"
with open(file_name,'wb') as out:
out.write(client.logs(container_name))
logger.info(f"Collected logs from container {container_name}")
tar.add(file_name)
os.remove(file_name)
tar.close()
@keyword('Cleanup Files')
def cleanup_file() -> None:
if os.path.isdir(TEMP_DIR):
try:
shutil.rmtree(TEMP_DIR)
logger.info(f"File '{TEMP_DIR}' has been deleted.")
except OSError as e:
raise Exception(f"Error: '{TEMP_DIR}' - {e.strerror}.")
else:
logger.warn(f"Error: '{TEMP_DIR}' file not found")
@keyword('Create Temporary Directory')
def create_temp_dir() -> None:
if not os.path.exists(TEMP_DIR):
os.makedirs(TEMP_DIR)
logger.info(f"Created temporary directory: {TEMP_DIR}")