#937 LiteLLM 副 key 启用脚本 + 计划 (20260810-154721)

新增 litellm/apply_secondary_key.sh + rollback + verify + README + docs/observability/litellm-failover-activation.md. 代码层已就绪(commit 84d89ab),等用户提供 SiliconFlow 副 key 后,单次低峰会话完成切换.

litellm/rollback_secondary_key.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# litellm/rollback_secondary_key.sh - 一键回滚到启用副 key 前的配置
+
+set -euo pipefail
+CONTAINER="qihu-aiflow-litellm"
+CONFIG="/app/config.yaml"
+
+# 找最近的 backup
+LATEST_BAK=$(docker exec $CONTAINER ls -t $CONFIG.bak-* 2>/dev/null | head -1)
+if [ -z "$LATEST_BAK" ]; then
+    echo "ERROR: 没找到 $CONFIG.bak-*"
+    exit 1
+fi
+echo "回滚到: $LATEST_BAK"
+docker exec $CONTAINER cp $LATEST_BAK $CONFIG
+docker exec $CONTAINER kill -HUP 1
+echo "DONE - litellm 已 reload,验证: curl http://localhost:12900/health/liveliness"
+