# Agent 配置文件
apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-agent-config
  namespace: monitoring
data:
  config.yaml: |
    receivers:
      # 1. 采集宿主机宏观指标
      hostmetrics:
        collection_interval: 30s
        root_path: /hostfs
        scrapers:
          cpu: {}
          memory: {}
          load: {}
          disk: {}
          filesystem: {}
          network: {}
          paging: {}
          processes: {}

      # 2. 采集 Pod/Container/Volume 微观指标
      kubeletstats:
        collection_interval: 30s
        auth_type: "serviceAccount"
        endpoint: "https://${env:K8S_NODE_NAME}:10250" # 使用环境变量定位本地 Kubelet
        insecure_skip_verify: true
        metric_groups:
          - node
          - pod
          - container
          - volume

    processors:
      batch:
        send_batch_size: 1000
        timeout: 10s
      
      resourcedetection:
        detectors: [env, system]
      
      # 3. 提取 K8s 详细标签，确保指标唯一性
      k8sattributes:
        auth_type: "serviceAccount"
        passthrough: false
        extract:
          metadata:
            - k8s.pod.name
            - k8s.pod.uid
            - k8s.namespace.name
            - k8s.node.name
            - k8s.deployment.name
            - k8s.container.name
        pod_association:
          - sources:
              - from: resource_attribute
                name: k8s.pod.uid
          - sources:
              - from: connection

    exporters:
      # 发送给集群内的 Gateway Service
      otlp:
        endpoint: "otel-gateway.monitoring.svc.cluster.local:4317"
        tls:
          insecure: true

    service:
      pipelines:
        metrics:
          receivers: [hostmetrics, kubeletstats]
          processors: [resourcedetection, k8sattributes, batch]
          exporters: [otlp]