91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import os
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import sys
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from pathlib import Path
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from .exceptions import CreateDirectoryException, MissingEnv
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from redis import StrictRedis
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from redis.exceptions import ConnectionError
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from datetime import datetime, timedelta
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import time
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def get_config_path():
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if Path('bgpranking', 'config').exists():
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# Running from the repository
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return Path('bgpranking', 'config')
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return Path(sys.modules['bgpranking'].__file__).parent / 'config'
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def get_list_storage_path():
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if not os.environ.get('VIRTUAL_ENV'):
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raise MissingEnv("VIRTUAL_ENV is missing. This project really wants to run from a virtual envoronment.")
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return Path(os.environ['VIRTUAL_ENV'])
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def get_homedir():
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if not os.environ.get('BGPRANKING_HOME'):
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raise MissingEnv("BGPRANKING_HOME is missing. Run the following from the home directory of the repository: export BGPRANKING_HOME='./'")
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return Path(os.environ['BGPRANKING_HOME'])
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def safe_create_dir(to_create: Path):
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if to_create.exists() and not to_create.is_dir():
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raise CreateDirectoryException('The path {} already exists and is not a directory'.format(to_create))
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os.makedirs(to_create, exist_ok=True)
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def set_running(name: str):
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r = StrictRedis(unix_socket_path=get_socket_path('prefixes'), db=1, decode_responses=True)
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r.hset('running', name, 1)
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def unset_running(name: str):
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r = StrictRedis(unix_socket_path=get_socket_path('prefixes'), db=1, decode_responses=True)
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r.hdel('running', name)
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def is_running():
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r = StrictRedis(unix_socket_path=get_socket_path('prefixes'), db=1, decode_responses=True)
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return r.hgetall('running')
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def get_socket_path(name: str):
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mapping = {
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'ris': Path('cache', 'ris.sock'),
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'prefixes': Path('cache', 'prefixes.sock'),
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'storage': Path('storage', 'storage.sock'),
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'intake': Path('temp', 'intake.sock'),
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'prepare': Path('temp', 'prepare.sock'),
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}
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return str(get_homedir() / mapping[name])
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def check_running(name: str):
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socket_path = get_socket_path(name)
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try:
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r = StrictRedis(unix_socket_path=socket_path)
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return r.ping()
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except ConnectionError:
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return False
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def shutdown_requested():
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try:
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r = StrictRedis(unix_socket_path=get_socket_path('prefixes'), db=1, decode_responses=True)
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return r.exists('shutdown')
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except ConnectionRefusedError:
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return True
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except ConnectionError:
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return True
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def long_sleep(sleep_in_sec: int, shutdown_check: int=10):
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sleep_until = datetime.now() + timedelta(seconds=sleep_in_sec)
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while sleep_until > datetime.now():
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time.sleep(shutdown_check)
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if shutdown_requested():
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return False
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return True
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