fix(k3s): 让数据库探针访问节点本地 API

避免 kubernetes Service 在跨地域 API endpoint 间负载，导致 CNPG liveness/readiness 探针受 WireGuard 拥塞影响。\n\n通过 Downward API 将 KUBERNETES_SERVICE_HOST 设为 Pod 所在节点名，并使用本地 K3s 6443 端口。节点名解析、TLS 主机名校验和 kubectl 服务端 dry-run 均已通过。
2026-07-30 19:00:01 +08:00
parent e1e18dbe58
commit 9e06ed6162
1 changed files with 7 additions and 0 deletions
@@ -66,6 +66,13 @@ spec:
  instances: 2
  imageName: ghcr.io/cloudnative-pg/postgresql:18.4-standard-trixie@sha256:4587df73024408f5b2be9b4dd6ba2ccee8c9e5dc0c9a87c274c292291cc8a68c
  imagePullPolicy: IfNotPresent
+  env:
+    - name: KUBERNETES_SERVICE_HOST
+      valueFrom:
+        fieldRef:
+          fieldPath: spec.nodeName
+    - name: KUBERNETES_SERVICE_PORT
+      value: "6443"
  primaryUpdateStrategy: unsupervised
  primaryUpdateMethod: switchover
  failoverDelay: 0