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Add configurable rate limits for S3 API endpoints

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kqjy
2026-01-25 20:15:38 +08:00
parent 87c7f1bc7d
commit 704f79dc44
5 changed files with 123 additions and 21 deletions
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74
app/config.py
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@@ -10,6 +10,23 @@ from dataclasses import dataclass
from pathlib import Path
from typing import Any, Dict, Optional
import psutil
def _calculate_auto_threads() -> int:
cpu_count = psutil.cpu_count(logical=True) or 4
return max(1, min(cpu_count * 2, 64))
def _calculate_auto_connection_limit() -> int:
available_mb = psutil.virtual_memory().available / (1024 * 1024)
calculated = int(available_mb / 5)
return max(20, min(calculated, 1000))
def _calculate_auto_backlog(connection_limit: int) -> int:
return max(64, min(connection_limit * 2, 4096))
def _validate_rate_limit(value: str) -> str:
pattern = r"^\d+\s+per\s+(second|minute|hour|day)$"
@@ -63,6 +80,10 @@ class AppConfig:
log_backup_count: int
ratelimit_default: str
ratelimit_storage_uri: str
ratelimit_list_buckets: str
ratelimit_bucket_ops: str
ratelimit_object_ops: str
ratelimit_head_ops: str
cors_origins: list[str]
cors_methods: list[str]
cors_allow_headers: list[str]
@@ -94,6 +115,9 @@ class AppConfig:
server_connection_limit: int
server_backlog: int
server_channel_timeout: int
server_threads_auto: bool
server_connection_limit_auto: bool
server_backlog_auto: bool
site_sync_enabled: bool
site_sync_interval_seconds: int
site_sync_batch_size: int
@@ -171,6 +195,10 @@ class AppConfig:
log_backup_count = int(_get("LOG_BACKUP_COUNT", 3))
ratelimit_default = _validate_rate_limit(str(_get("RATE_LIMIT_DEFAULT", "200 per minute")))
ratelimit_storage_uri = str(_get("RATE_LIMIT_STORAGE_URI", "memory://"))
ratelimit_list_buckets = _validate_rate_limit(str(_get("RATE_LIMIT_LIST_BUCKETS", "60 per minute")))
ratelimit_bucket_ops = _validate_rate_limit(str(_get("RATE_LIMIT_BUCKET_OPS", "120 per minute")))
ratelimit_object_ops = _validate_rate_limit(str(_get("RATE_LIMIT_OBJECT_OPS", "240 per minute")))
ratelimit_head_ops = _validate_rate_limit(str(_get("RATE_LIMIT_HEAD_OPS", "100 per minute")))
def _csv(value: str, default: list[str]) -> list[str]:
if not value:
@@ -200,9 +228,30 @@ class AppConfig:
operation_metrics_interval_minutes = int(_get("OPERATION_METRICS_INTERVAL_MINUTES", 5))
operation_metrics_retention_hours = int(_get("OPERATION_METRICS_RETENTION_HOURS", 24))
server_threads = int(_get("SERVER_THREADS", 4))
server_connection_limit = int(_get("SERVER_CONNECTION_LIMIT", 100))
server_backlog = int(_get("SERVER_BACKLOG", 1024))
_raw_threads = int(_get("SERVER_THREADS", 0))
if _raw_threads == 0:
server_threads = _calculate_auto_threads()
server_threads_auto = True
else:
server_threads = _raw_threads
server_threads_auto = False
_raw_conn_limit = int(_get("SERVER_CONNECTION_LIMIT", 0))
if _raw_conn_limit == 0:
server_connection_limit = _calculate_auto_connection_limit()
server_connection_limit_auto = True
else:
server_connection_limit = _raw_conn_limit
server_connection_limit_auto = False
_raw_backlog = int(_get("SERVER_BACKLOG", 0))
if _raw_backlog == 0:
server_backlog = _calculate_auto_backlog(server_connection_limit)
server_backlog_auto = True
else:
server_backlog = _raw_backlog
server_backlog_auto = False
server_channel_timeout = int(_get("SERVER_CHANNEL_TIMEOUT", 120))
site_sync_enabled = str(_get("SITE_SYNC_ENABLED", "0")).lower() in {"1", "true", "yes", "on"}
site_sync_interval_seconds = int(_get("SITE_SYNC_INTERVAL_SECONDS", 60))
@@ -225,6 +274,10 @@ class AppConfig:
log_backup_count=log_backup_count,
ratelimit_default=ratelimit_default,
ratelimit_storage_uri=ratelimit_storage_uri,
ratelimit_list_buckets=ratelimit_list_buckets,
ratelimit_bucket_ops=ratelimit_bucket_ops,
ratelimit_object_ops=ratelimit_object_ops,
ratelimit_head_ops=ratelimit_head_ops,
cors_origins=cors_origins,
cors_methods=cors_methods,
cors_allow_headers=cors_allow_headers,
@@ -256,6 +309,9 @@ class AppConfig:
server_connection_limit=server_connection_limit,
server_backlog=server_backlog,
server_channel_timeout=server_channel_timeout,
server_threads_auto=server_threads_auto,
server_connection_limit_auto=server_connection_limit_auto,
server_backlog_auto=server_backlog_auto,
site_sync_enabled=site_sync_enabled,
site_sync_interval_seconds=site_sync_interval_seconds,
site_sync_batch_size=site_sync_batch_size)
@@ -364,9 +420,11 @@ class AppConfig:
print(f" ENCRYPTION: Enabled (Master key: {self.encryption_master_key_path})")
if self.kms_enabled:
print(f" KMS: Enabled (Keys: {self.kms_keys_path})")
print(f" SERVER_THREADS: {self.server_threads}")
print(f" CONNECTION_LIMIT: {self.server_connection_limit}")
print(f" BACKLOG: {self.server_backlog}")
def _auto(flag: bool) -> str:
return " (auto)" if flag else ""
print(f" SERVER_THREADS: {self.server_threads}{_auto(self.server_threads_auto)}")
print(f" CONNECTION_LIMIT: {self.server_connection_limit}{_auto(self.server_connection_limit_auto)}")
print(f" BACKLOG: {self.server_backlog}{_auto(self.server_backlog_auto)}")
print(f" CHANNEL_TIMEOUT: {self.server_channel_timeout}s")
print("=" * 60)
@@ -406,6 +464,10 @@ class AppConfig:
"LOG_BACKUP_COUNT": self.log_backup_count,
"RATELIMIT_DEFAULT": self.ratelimit_default,
"RATELIMIT_STORAGE_URI": self.ratelimit_storage_uri,
"RATELIMIT_LIST_BUCKETS": self.ratelimit_list_buckets,
"RATELIMIT_BUCKET_OPS": self.ratelimit_bucket_ops,
"RATELIMIT_OBJECT_OPS": self.ratelimit_object_ops,
"RATELIMIT_HEAD_OPS": self.ratelimit_head_ops,
"CORS_ORIGINS": self.cors_origins,
"CORS_METHODS": self.cors_methods,
"CORS_ALLOW_HEADERS": self.cors_allow_headers,