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block: introduce threading to speed it up

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This commit is contained in:
Iain Learmonth 2022-06-18 13:47:29 +01:00
parent bbf070339a
commit f78e4d67ad
1 changed files with 25 additions and 15 deletions
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40
app/terraform/block_mirror.py
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@ -1,3 +1,6 @@
import functools
import os
from concurrent.futures import ThreadPoolExecutor
from datetime import datetime, timedelta
import logging
from abc import abstractmethod
@ -11,7 +14,6 @@ from app.terraform import BaseAutomation
class BlockMirrorAutomation(BaseAutomation):
patterns: List[str]
def __init__(self) -> None:
@ -32,20 +34,19 @@ class BlockMirrorAutomation(BaseAutomation):
# Not ready yet
continue
logging.debug("Testing active proxy %s", proxy.url)
for pattern in self.patterns:
if fnmatch(proxy.url, pattern):
logging.debug("Found %s blocked", proxy.url)
if not proxy.origin.auto_rotation:
logging.debug("Proxy auto-rotation forbidden for origin")
continue
if proxy.added > datetime.utcnow() - timedelta(hours=3):
logging.debug("Not rotating a proxy less than 3 hours old")
continue
if proxy.deprecate(reason=self.short_name):
logging.info("Rotated %s", proxy.url)
rotated.append((proxy.url, proxy.origin.domain_name))
else:
logging.debug("Not rotating a proxy that is already deprecated")
if is_match(proxy.url, self.patterns):
logging.debug("Found %s blocked", proxy.url)
if not proxy.origin.auto_rotation:
logging.debug("Proxy auto-rotation forbidden for origin")
continue
if proxy.added > datetime.utcnow() - timedelta(hours=3):
logging.debug("Not rotating a proxy less than 3 hours old")
continue
if proxy.deprecate(reason=self.short_name):
logging.info("Rotated %s", proxy.url)
rotated.append((proxy.url, proxy.origin.domain_name))
else:
logging.debug("Not rotating a proxy that is already deprecated")
if rotated:
activity = Activity(
activity_type="block",
@ -80,3 +81,12 @@ def active_proxies() -> List[Proxy]:
Proxy.deprecated.is_(None),
Proxy.destroyed.is_(None)
).all()
def is_match(test_url: str, patterns: List[str]):
with ThreadPoolExecutor(os.cpu_count() - 1) as executor:
url_fnmatch = functools.partial(fnmatch, test_url)
for result in executor.map(fnmatch, patterns):
if result:
return True
return False