Linkerdの監視のインストールと設定：Helmを使用したOTel Collector Contrib

mode: deployment

image:
      repository: otel/opentelemetry-collector-contrib

clusterRole:
      create: true
      rules:
        - apiGroups: [""]
          resources: [pods, nodes, nodes/proxy, endpoints, services, namespaces]
          verbs: [get, list, watch]
        - apiGroups: ["apps"]
          resources: [replicasets, deployments, daemonsets, statefulsets]
          verbs: [get, list, watch]

extraEnvs:
      - name: K8S_CLUSTER_NAME
        value: "<YOUR_CLUSTER_NAME>"
      - name: NEWRELIC_LICENSE_KEY
        value: "<YOUR_NR_INGEST_LICENSE_KEY>"

config:
      receivers:
        prometheus:
          config:
            scrape_configs:
              - job_name: 'linkerd-controller'
                kubernetes_sd_configs:
                  - role: pod
                    namespaces: { names: ['linkerd', 'linkerd-viz'] }
                relabel_configs:
                  - { source_labels: [__meta_kubernetes_pod_container_port_name], action: keep, regex: admin-http }
                  - { source_labels: [__meta_kubernetes_pod_container_name], target_label: component }
                  - { source_labels: [__meta_kubernetes_namespace], target_label: namespace }
                  - { source_labels: [__meta_kubernetes_pod_name], target_label: pod }
              - job_name: 'linkerd-proxy'
                kubernetes_sd_configs: [{ role: pod }]
                relabel_configs:
                  - { source_labels: [__meta_kubernetes_pod_container_name, __meta_kubernetes_pod_container_port_name, __meta_kubernetes_pod_label_linkerd_io_control_plane_ns], action: keep, regex: ^linkerd-proxy;linkerd-admin;linkerd$ }
                  - { source_labels: [__meta_kubernetes_namespace], target_label: namespace }
                  - { source_labels: [__meta_kubernetes_pod_name], target_label: pod }
                  - { source_labels: [__meta_kubernetes_pod_label_linkerd_io_control_plane_ns], target_label: linkerd_control_plane_ns }
                  - { source_labels: [__meta_kubernetes_pod_label_linkerd_io_control_plane_component], target_label: linkerd_control_plane_component }

      processors:
        resource/strip_service:
          attributes:
            - { key: service.name, action: delete }
            - { key: service.instance.id, action: delete }
        resource/cluster:
          attributes:
            - key: k8s.cluster.name
              value: "${env:K8S_CLUSTER_NAME}"
              action: insert
        transform/k8s:
          metric_statements:
            - context: datapoint
              statements:
                - set(attributes["k8s.namespace.name"], attributes["namespace"]) where attributes["namespace"] != nil
                - set(attributes["k8s.pod.name"], attributes["pod"]) where attributes["pod"] != nil
                - delete_key(attributes, "instance")
        transform/deployment:
          metric_statements:
            - context: datapoint
              statements:
                - set(attributes["k8s.deployment.name"], attributes["k8s.pod.name"]) where attributes["k8s.deployment.name"] == nil and attributes["k8s.pod.name"] != nil
                - replace_pattern(attributes["k8s.deployment.name"], "-[a-z0-9]+-[a-z0-9]+$", "") where attributes["k8s.deployment.name"] == attributes["k8s.pod.name"]
        transform/metadata_nullify:
          metric_statements:
            - context: metric
              statements:
                - set(description, "")
                - set(unit, "")

      exporters:
        otlp_http/newrelic:
          endpoint: "https://otlp.nr-data.net:4318"
          headers:
            api-key: "${env:NEWRELIC_LICENSE_KEY}"

      service:
        pipelines:
          metrics:
            receivers: [prometheus]
            processors: [memory_limiter, resource/strip_service, resource/cluster, transform/k8s, transform/deployment, transform/metadata_nullify, batch]
            exporters: [otlp_http/newrelic]