首次提交：初始化项目

009-基础设施/008-portainer/keda-scaler.yaml

@@ -0,0 +1,58 @@
+---
+# HTTPScaledObject - 用于实现缩容到 0 的核心配置
+apiVersion: http.keda.sh/v1alpha1
+kind: HTTPScaledObject
+metadata:
+  name: portainer-http-scaler
+  namespace: portainer
+spec:
+  hosts:
+  - portainer.u6.net3w.com
+  pathPrefixes:
+  - /
+  scaleTargetRef:
+    name: portainer
+    kind: Deployment
+    apiVersion: apps/v1
+    service: portainer
+    port: 9000
+  replicas:
+    min: 0                              # 空闲时缩容到 0
+    max: 3                              # 最多 3 个副本
+  scalingMetric:
+    requestRate:
+      granularity: 1s
+      targetValue: 50                   # 每秒 50 个请求时扩容
+      window: 1m
+  scaledownPeriod: 300                  # 5 分钟无流量后缩容到 0
+
+---
+# Traefik Middleware - 设置正确的协议头
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: portainer-headers
+  namespace: keda
+spec:
+  headers:
+    customRequestHeaders:
+      X-Forwarded-Proto: "https"
+
+---
+# Traefik IngressRoute - 将流量路由到 KEDA HTTP Add-on 的拦截器
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: portainer-ingress
+  namespace: keda
+spec:
+  entryPoints:
+    - web
+  routes:
+  - match: Host(`portainer.u6.net3w.com`)
+    kind: Rule
+    middlewares:
+    - name: portainer-headers
+    services:
+    - name: keda-add-ons-http-interceptor-proxy
+      port: 8080