2026-01-27同步
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apiVersion: opentelemetry.io/v1beta1
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kind: OpenTelemetryCollector
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metadata:
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name: otel-gateway
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namespace: opentelemetry-operator-system
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spec:
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mode: deployment
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replicas: 1
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serviceAccount: otel-gateway-collector # Operator 会自动创建并绑定权限
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config:
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 0.0.0.0:4317
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http:
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endpoint: 0.0.0.0:4318
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# --- 核心：采集 K8s 集群状态指标 ---
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# 采集 Deployment, DaemonSet, StatefulSet, HPA, Node 等资源的状态
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k8s_cluster:
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collection_interval: 30s
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node_conditions_to_report: [Ready, MemoryPressure, DiskPressure, PIDPressure]
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allocatable_types_to_report: [cpu, memory]
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processors:
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batch:
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send_batch_size: 1000
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timeout: 10s
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memory_limiter:
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check_interval: 1s
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limit_percentage: 70
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spike_limit_percentage: 30
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# 增加 K8s 元数据标签 (这也是 Gateway 的重要作用)
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k8sattributes:
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extract:
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metadata:
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- k8s.namespace.name
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- k8s.pod.name
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- k8s.deployment.name
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- k8s.statefulset.name
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- k8s.daemonset.name
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- k8s.cronjob.name
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- k8s.job.name
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- k8s.node.name
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pod_association:
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- sources:
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- from: resource_attribute
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name: k8s.pod.ip
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- sources:
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- from: resource_attribute
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name: k8s.pod.uid
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- sources:
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- from: connection
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exporters:
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# 1. 导出 Metrics 到外部 Prometheus (使用 Remote Write)
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prometheusremotewrite:
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endpoint: "http://10.0.0.38:9090/api/v1/write"
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# 如果有 Basic Auth，在此配置
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# external_labels:
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# cluster: "test-k8s-cluster"
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# 2. 导出 Traces 到外部 Tempo (使用 OTLP gRPC)
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# otlp/tempo:
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# endpoint: "<你的TEMPO_IP>:4317"
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# tls:
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# insecure: true
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# 3. 导出 Logs 到外部 Elasticsearch (可选)
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# elasticsearch:
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# endpoints: ["http://<你的ES_IP>:9200"]
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# logs_index: "k8s-logs"
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debug:
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verbosity: basic
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service:
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pipelines:
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metrics:
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receivers: [otlp, k8s_cluster]
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processors: [memory_limiter, batch]
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# 确保 k8sattributes 在 batch 之前或之后取决于架构，Gateway通常主要做转发
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# 这里 k8s_cluster 产生的数据自带标签，otlp 来的数据应在 Agent 端打好标签
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exporters: [prometheusremotewrite]
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traces:
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receivers: [otlp]
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processors: [memory_limiter, batch]
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exporters: [otlp/tempo]
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# logs:
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# receivers: [otlp]
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# processors: [memory_limiter, batch]
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# exporters: [elasticsearch]
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38
OpenTelemetry/Collector_v3/04-monitoring-rbac.yaml
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38
OpenTelemetry/Collector_v3/04-monitoring-rbac.yaml
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: otel-collector-sa
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namespace: monitoring
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: otel-collector-role
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rules:
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- apiGroups: [""]
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resources: ["events", "nodes", "nodes/proxy", "nodes/stats", "services", "endpoints", "pods", "namespaces", "replicationcontrollers", "resourcequotas"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["apps"]
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resources: ["statefulsets", "daemonsets", "deployments", "replicasets"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["batch"]
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resources: ["jobs", "cronjobs"]
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verbs: ["get", "list", "watch"]
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- apiGroups: ["autoscaling"]
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resources: ["horizontalpodautoscalers"]
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verbs: ["get", "list", "watch"]
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: otel-collector-binding
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: otel-collector-role
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subjects:
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- kind: ServiceAccount
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name: otel-collector-sa
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namespace: monitoring
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@@ -1,88 +0,0 @@
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apiVersion: opentelemetry.io/v1beta1
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kind: OpenTelemetryCollector
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metadata:
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name: otel-agent
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namespace: opentelemetry-operator-system
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spec:
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mode: daemonset
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hostNetwork: true # 建议开启，以便更准确获取 Host 指标
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config:
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receivers:
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# 1. 采集 Pod 和 容器 的资源使用情况 (CPU/Mem)
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kubeletstats:
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collection_interval: 20s
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auth_type: "serviceAccount"
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endpoint: "${env:K8S_NODE_NAME}:10250"
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insecure_skip_verify: true
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metric_groups:
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- node
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- pod
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- container
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# 2. 采集宿主机物理指标
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hostmetrics:
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collection_interval: 20s
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scrapers:
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cpu:
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memory:
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load:
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filesystem:
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network:
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# 3. (可选) 采集日志
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# filelog:
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# include: [/var/log/pods/*/*/*.log]
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# ...
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processors:
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batch:
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send_batch_size: 500
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timeout: 5s
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memory_limiter:
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check_interval: 1s
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limit_mib: 400
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spike_limit_mib: 100
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# 资源检测：自动识别云厂商(腾讯云)信息、主机名等
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resourcedetection:
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detectors: [system] # 如果在腾讯云CVM上，可以尝试加入 'tencentcloud' 但 system 通常足够
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timeout: 2s
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override: false
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# 关键：给指标打上 K8s 标签 (Pod Name, Namespace, Node Name)
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k8sattributes:
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passthrough: false
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extract:
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metadata:
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- k8s.pod.name
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- k8s.pod.uid
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- k8s.deployment.name
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- k8s.namespace.name
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- k8s.node.name
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pod_association:
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- sources:
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- from: resource_attribute
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name: k8s.pod.uid
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- sources:
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- from: resource_attribute
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name: k8s.pod.ip
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- sources:
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- from: connection
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exporters:
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# 发送给集群内的 Gateway Service
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otlp:
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endpoint: "otel-gateway-collector.opentelemetry-operator-system.svc.cluster.local:4317"
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tls:
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insecure: true
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service:
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pipelines:
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metrics:
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receivers: [kubeletstats, hostmetrics]
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processors: [resourcedetection, k8sattributes, memory_limiter, batch]
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exporters: [otlp]
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# traces: # 如果应用配置了 sidecar 或其他方式发送 trace 到本地 agent
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# receivers: [otlp]
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# exporters: [otlp]
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57
OpenTelemetry/Collector_v3/05-otel-gateway.yaml
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57
OpenTelemetry/Collector_v3/05-otel-gateway.yaml
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@@ -0,0 +1,57 @@
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apiVersion: opentelemetry.io/v1beta1
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kind: OpenTelemetryCollector
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metadata:
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name: otel-gateway
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namespace: monitoring
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spec:
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mode: deployment
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image: otel/opentelemetry-collector-contrib:0.144.0
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replicas: 1
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serviceAccount: otel-collector-sa
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env:
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- name: K8S_NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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config:
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 0.0.0.0:4317
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http:
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endpoint: 0.0.0.0:4318
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k8s_cluster:
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collection_interval: 30s
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k8s_events: {}
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processors:
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batch:
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send_batch_size: 1000
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timeout: 10s
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resourcedetection:
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detectors: [env, system, k8snode]
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exporters:
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debug:
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verbosity: detailed
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otlp_http/prometheus:
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endpoint: "http://10.0.0.38:9090/api/v1/otlp"
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elasticsearch:
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endpoints: ["http://10.0.0.38:9200"]
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logs_index: "k8s-test-cluster-events"
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user: "elastic"
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password: "-0NiIBOJGn2CATuPWzNc"
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service:
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pipelines:
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metrics:
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receivers: [otlp, k8s_cluster]
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processors: [resourcedetection, batch]
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exporters: [otlp_http/prometheus]
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logs:
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receivers: [k8s_events]
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processors: [batch]
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exporters: [elasticsearch, debug]
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55
OpenTelemetry/Collector_v3/06-otel-agent.yaml
Normal file
55
OpenTelemetry/Collector_v3/06-otel-agent.yaml
Normal file
@@ -0,0 +1,55 @@
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apiVersion: opentelemetry.io/v1beta1
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kind: OpenTelemetryCollector
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metadata:
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name: otel-agent
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namespace: monitoring
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spec:
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mode: daemonset
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image: otel/opentelemetry-collector-contrib:0.144.0
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serviceAccount: otel-collector-sa
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env:
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- name: K8S_NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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# --- 新增：在这里定义集群名称，Prod 环境改一下这个值即可 ---
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- name: CLUSTER_NAME
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value: "test-k8s-cluster"
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config:
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receivers:
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hostmetrics:
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collection_interval: 30s
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scrapers:
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cpu: {}
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memory: {}
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kubeletstats:
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collection_interval: 30s
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auth_type: "serviceAccount"
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endpoint: "https://${env:K8S_NODE_NAME}:10250"
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insecure_skip_verify: true
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processors:
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batch: {}
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resourcedetection:
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detectors: [env, system, k8snode]
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# --- 新增：强制给所有指标打上集群名称标签 ---
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resource:
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attributes:
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- key: k8s.cluster.name
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value: ${env:CLUSTER_NAME}
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action: insert
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exporters:
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otlp:
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endpoint: "otel-gateway-collector.monitoring.svc.cluster.local:4317"
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tls:
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insecure: true
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service:
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pipelines:
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metrics:
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receivers: [hostmetrics, kubeletstats]
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# 注意：这里要加上 resource 处理器
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processors: [resourcedetection, resource, batch]
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exporters: [otlp]
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