From a43b7d3c26f9724b9d5b2ad45058f2d1632741af Mon Sep 17 00:00:00 2001
From: panxiao81 <pan-xiao@live.cn>
Date: Fri, 25 Sep 2026 17:22:01 +0000
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20kubelet=20=E8=B6=85?=
 =?UTF-8?q?=E9=99=90=E4=B8=8E=E6=97=A7=20Docker=20=E9=87=87=E9=9B=86?=
 =?UTF-8?q?=E7=9B=AE=E6=A0=87=20(#148)?=
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Co-authored-by: panxiao81 <pan-xiao@live.cn>
---
 .../metrics/scrapes/docker-hosts.yaml             | 15 ++++-----------
 .../observability/metrics/scrapes/kubelet.yaml    |  3 +++
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/platform/observability/metrics/scrapes/docker-hosts.yaml b/platform/observability/metrics/scrapes/docker-hosts.yaml
index d2c853e..a7917b9 100644
--- a/platform/observability/metrics/scrapes/docker-hosts.yaml
+++ b/platform/observability/metrics/scrapes/docker-hosts.yaml
@@ -1,6 +1,6 @@
-# Pull metrics from Docker hosts running ../../docker-hosts/compose.yaml.
-# vmagent scrapes each host's node-exporter (:9100) and cAdvisor (:8080) over the LAN.
-# Add one target block per host; keep the `host` label in sync with its HOST_LABEL.
+# 仅抓取已存在的宿主机 node-exporter。旧 :8080 目标实际返回 nginx 404，
+# 独立 Docker cAdvisor 尚未部署；部署并确认端口后再添加其目标。
+# Kubernetes 容器指标由 kubelet.yaml 的 /metrics/cadvisor 独立采集。
 apiVersion: operator.victoriametrics.com/v1beta1
 kind: VMStaticScrape
 metadata:
@@ -17,13 +17,6 @@ spec:
       labels:
         job: node-exporter
         host: docker-01
-    - targets:
-        - "192.168.10.127:8080"
-      labels:
-        job: cadvisor
-        host: docker-01
-    # --- add more hosts below, mirroring the two blocks above ---
+    # --- 新增主机前确认 exporter 已部署且 /metrics 返回成功 ---
     # - targets: ["192.168.10.x:9100"]
     #   labels: { job: node-exporter, host: docker-02 }
-    # - targets: ["192.168.10.x:8080"]
-    #   labels: { job: cadvisor, host: docker-02 }
diff --git a/platform/observability/metrics/scrapes/kubelet.yaml b/platform/observability/metrics/scrapes/kubelet.yaml
index f849f4e..416a6bf 100644
--- a/platform/observability/metrics/scrapes/kubelet.yaml
+++ b/platform/observability/metrics/scrapes/kubelet.yaml
@@ -13,6 +13,9 @@ spec:
   honorLabels: true
   honorTimestamps: false
   interval: 30s
+  # k3s 此端点包含 apiserver/etcd 指标，响应已超过默认 16 MiB。
+  # 仅放宽 kubelet 任务，其他采集目标保留默认限制。
+  max_scrape_size: "32MiB"
   tlsConfig:
     insecureSkipVerify: true
     caFile: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt