From 4f890738b7124dc19542f782d3f6838d7360f65c Mon Sep 17 00:00:00 2001
From: Wilson Wu <iwilsonwu@gmail.com>
Date: Thu, 16 Nov 2023 12:44:03 +0800
Subject: [PATCH] [zh] Sync #14107 into Chinese (#14171)

* Sync #14107 into Chinese

* Update content/zh/docs/tasks/observability/logs/telemetry-api/index.md

Co-authored-by: Michael <haifeng.yao@daocloud.io>

* Update content/zh/docs/tasks/observability/logs/telemetry-api/index.md

Co-authored-by: Michael <haifeng.yao@daocloud.io>

---------

Co-authored-by: Michael <haifeng.yao@daocloud.io>
---
 .../observability/logs/telemetry-api/index.md | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/content/zh/docs/tasks/observability/logs/telemetry-api/index.md b/content/zh/docs/tasks/observability/logs/telemetry-api/index.md
index daf471b089..4b2b6d08b3 100644
--- a/content/zh/docs/tasks/observability/logs/telemetry-api/index.md
+++ b/content/zh/docs/tasks/observability/logs/telemetry-api/index.md
@@ -132,6 +132,28 @@ $ kubectl apply -f @samples/open-telemetry/loki/otel.yaml@ -n istio-system
     EOF
     {{< /text >}}
 
+1. 使用 CEL 表达式过滤健康检查访问日志
+
+    仅当日志不是由 Amazon Route 53 健康检查服务所生成时，以下配置才显示访问日志。
+    注意：`request.useragent` 专用于 HTTP 流量，因此为了避免破坏 TCP 流量，
+    我们需要检查该字段是否存在。有关更多信息，请参阅
+    [CEL 类型检查](https://kubernetes.io/docs/reference/using-api/cel/#type-checking)
+
+    {{< text bash >}}
+    $ cat <<EOF | kubectl apply -f -
+    apiVersion: telemetry.istio.io/v1alpha1
+    kind: Telemetry
+    metadata:
+      name: filter-health-check-logging
+    spec:
+      accessLogging:
+      - providers:
+        - name: otel
+        filter:
+          expression: "!has(request.useragent) || !(request.useragent.startsWith("Amazon-Route53-Health-Check-Service"))"
+    EOF
+    {{< /text >}}
+
     有关更多信息，请参阅[使用赋值表达式](/zh/docs/tasks/observability/metrics/customize-metrics/#use-expressions-for-values)。
 
 ## 使用 OpenTelemetry 提供程序  {#work-with-otel-provider}