#56: create temporary directory on testsuite setup

Signed-off-by: anastasia prasolova <anastasia@nspcc.ru>

robot/resources/lib/utility_keywords.py

@@ -0,0 +1,61 @@
+#!/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}")