0119同步

OpenTelemetry/Collector_v3/04-otel-agent.yaml

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+apiVersion: opentelemetry.io/v1beta1
+kind: OpenTelemetryCollector
+metadata:
+  name: otel-agent
+  namespace: opentelemetry-operator-system
+spec:
+  mode: daemonset
+  hostNetwork: true # 建议开启，以便更准确获取 Host 指标
+  config:
+    receivers:
+      # 1. 采集 Pod 和 容器 的资源使用情况 (CPU/Mem)
+      kubeletstats:
+        collection_interval: 20s
+        auth_type: "serviceAccount"
+        endpoint: "${env:K8S_NODE_NAME}:10250"
+        insecure_skip_verify: true
+        metric_groups:
+          - node
+          - pod
+          - container
+
+      # 2. 采集宿主机物理指标
+      hostmetrics:
+        collection_interval: 20s
+        scrapers:
+          cpu:
+          memory:
+          load:
+          filesystem:
+          network:
+
+      # 3. (可选) 采集日志
+      # filelog:
+      #   include: [/var/log/pods/*/*/*.log]
+      #   ...
+
+    processors:
+      batch:
+        send_batch_size: 500
+        timeout: 5s
+      memory_limiter:
+        check_interval: 1s
+        limit_mib: 400
+        spike_limit_mib: 100
+      
+      # 资源检测：自动识别云厂商(腾讯云)信息、主机名等
+      resourcedetection:
+        detectors: [system] # 如果在腾讯云CVM上，可以尝试加入 'tencentcloud' 但 system 通常足够
+        timeout: 2s
+        override: false
+
+      # 关键：给指标打上 K8s 标签 (Pod Name, Namespace, Node Name)
+      k8sattributes:
+        passthrough: false
+        extract:
+          metadata:
+            - k8s.pod.name
+            - k8s.pod.uid
+            - k8s.deployment.name
+            - k8s.namespace.name
+            - k8s.node.name
+        pod_association:
+          - sources:
+            - from: resource_attribute
+              name: k8s.pod.uid
+          - sources:
+            - from: resource_attribute
+              name: k8s.pod.ip
+          - sources:
+            - from: connection
+
+    exporters:
+      # 发送给集群内的 Gateway Service
+      otlp:
+        endpoint: "otel-gateway-collector.opentelemetry-operator-system.svc.cluster.local:4317"
+        tls:
+          insecure: true
+
+    service:
+      pipelines:
+        metrics:
+          receivers: [kubeletstats, hostmetrics]
+          processors: [resourcedetection, k8sattributes, memory_limiter, batch]
+          exporters: [otlp]
+        
+        # traces: # 如果应用配置了 sidecar 或其他方式发送 trace 到本地 agent
+        #   receivers: [otlp]
+        #   exporters: [otlp]