2.4. Kubernetes Objects Receiver

Kubernetes Objects Receiver 拉取或监视要从 Kubernetes API 服务器收集的对象。此接收器主要监视 Kubernetes 事件，但可以收集任何类型的 Kubernetes 对象。此接收器会收集整个集群的遥测数据，因此只需要一个接收器实例就可以收集所有数据。

重要

Kubernetes Objects Receiver 只是一个技术预览功能。技术预览功能不受红帽产品服务等级协议（SLA）支持，且功能可能并不完整。红帽不推荐在生产环境中使用它们。这些技术预览功能可以使用户提早试用新的功能，并有机会在开发阶段提供反馈意见。

有关红帽技术预览功能支持范围的更多信息，请参阅技术预览功能支持范围。

启用了 Kubernetes Objects Receiver 的 OpenTelemetry Collector 自定义资源

apiVersion: v1
kind: ServiceAccount
metadata:
  name: otel-k8sobj
  namespace: <namespace>
# ...
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: otel-k8sobj
  namespace: <namespace>
rules:
- apiGroups:
  - ""
  resources:
  - events
  - pods
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - "events.k8s.io"
  resources:
  - events
  verbs:
  - watch
  - list
# ...
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: otel-k8sobj
subjects:
  - kind: ServiceAccount
    name: otel-k8sobj
    namespace: <namespace>
roleRef:
  kind: ClusterRole
  name: otel-k8sobj
  apiGroup: rbac.authorization.k8s.io
# ...
---
apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
  name: otel-k8s-obj
  namespace: <namespace>
spec:
  serviceAccount: otel-k8sobj
  mode: deployment
  config:
    receivers:
      k8sobjects:
        auth_type: serviceAccount
        objects:
          - name: pods 
            mode: pull 
            interval: 30s 
            label_selector: 
            field_selector: 
            namespaces: [<namespace>,...] 
          - name: events
            mode: watch
    exporters:
      debug:
    service:
      pipelines:
        logs:
          receivers: [k8sobjects]
          exporters: [debug]
# ...

apiVersion: v1
kind: ServiceAccount
metadata:
  name: otel-k8sobj
  namespace: <namespace>
# ...
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: otel-k8sobj
  namespace: <namespace>
rules:
- apiGroups:
  - ""
  resources:
  - events
  - pods
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - "events.k8s.io"
  resources:
  - events
  verbs:
  - watch
  - list
# ...
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: otel-k8sobj
subjects:
  - kind: ServiceAccount
    name: otel-k8sobj
    namespace: <namespace>
roleRef:
  kind: ClusterRole
  name: otel-k8sobj
  apiGroup: rbac.authorization.k8s.io
# ...
---
apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
  name: otel-k8s-obj
  namespace: <namespace>
spec:
  serviceAccount: otel-k8sobj
  mode: deployment
  config:
    receivers:
      k8sobjects:
        auth_type: serviceAccount
        objects:
          - name: pods


            mode: pull


            interval: 30s


            label_selector:


            field_selector:


            namespaces: [<namespace>,...]


          - name: events
            mode: watch
    exporters:
      debug:
    service:
      pipelines:
        logs:
          receivers: [k8sobjects]
          exporters: [debug]
# ...

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1: 此接收器的资源名称：例如 pods, deployments, 或 events.
2: 此接收器使用的观察模式：pull 或 watch。
3: 仅适用于 pull 模式。拉取对象的请求间隔。如果没有指定，则默认值为 1h。
4: 定义目标的标签选择器。
5: 用于过滤目标的字段选择器。
6: 要从中收集事件的命名空间列表。如果没有指定，则默认值为 all。

2.4. Kubernetes Objects Receiver

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