hosting/lib/custom_entrypoint.py

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2024-03-21 01:28:02 +00:00
from lib import config as config_module
from lib import logging as logging_lib
import requests
import stat
import os
config = config_module.config
log = logging_lib.log
def save_file_from_url(url, location, timeout=2000):
"""
Downloads a file from the specified URL and saves it to the given location.
Only proceeds if the web request status is 200 (OK). Includes a timeout.
Parameters:
- url (str): The URL of the file to download.
- location (str): The file path where the downloaded file should be saved.
- timeout (int): The timeout for the request in milliseconds. Default is 2000ms.
Returns:
- str: A message indicating the result of the operation.
"""
try:
# Convert timeout from milliseconds to seconds for the requests.get function
timeout_seconds = timeout / 1000.0
# Make the request to the given URL with the specified timeout
response = requests.get(url, timeout=timeout_seconds)
# Check if the request was successful (status code 200)
if response.status_code == 200:
# Open the specified location in binary write mode and write the content
with open(location, 'wb') as f:
f.write(response.content)
if not os.access(location, os.X_OK):
current_permissions = stat.S_IMODE(os.lstat(location).st_mode)
os.chmod(location, current_permissions | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
log.debug(f"Downloaded entrypoint {location}")
return True
else:
return False
except requests.Timeout:
return False
except Exception as e:
log.debug(f"save_file_from_url() | An error occurred: {e}")
return False
def cache_entrypoints(containers):
try:
entrypoint_files = os.listdir(config.entrypoints_folder)
valid_conf = []
for container in containers:
if "name" in container and "custom_entrypoint" in container:
file_name = f"{container["name"]}.sh"
ok = False
full_path = os.path.join(config.entrypoints_folder, file_name)
if file_name in entrypoint_files:
ok=True
entrypoint_files.remove(file_name)
else: # Download file
ok = save_file_from_url(container["custom_entrypoint"], full_path)
valid_conf.append(ok)
else:
valid_conf.append(True)
for remaining_file in entrypoint_files: # We can remove files that are not needed anymore
os.remove(remaining_file)
return valid_conf
except Exception as e:
return 'e'