Medium article https://medium.com/@nahelou.j/ultimate-google-cloud-operations-configuration-for-external-services-b13fbe90509

config-els.yaml

receivers:                                                                                                                                                                             [0/45]
  elasticsearch/elasticsearch_elasticsearch:
    collection_interval: 30s
    endpoint: https://my-deployment-<CHANGEME>.es.europe-west1.gcp.cloud.es.io
    nodes: ["_local"]
    password: <CHANGEME>
    skip_cluster_metrics: false
    tls:
      insecure: false
    username: elastic
processors:
  resourcedetection/system:
    detectors: ["system"]
    system:
      hostname_sources: ["os"]
  resourcedetection/env:
    detectors: [env]
    #timeout: 2s
    override: true
  resource/id:
    attributes:
    - key: service.instance.id
      from_attribute: host.name
      action: update
  metricstransform/elasticsearch_elasticsearch_1:
    transforms:
    - action: update
      include: ^(.*)$$
      match_type: regexp
      new_name: workload.googleapis.com/$${1}
exporters:                                                                                                                                                                            [36/45]
  googlecloud:              
    metric:           
      instrumentation_library_labels: false
      prefix: ""                        
      resource_filters: []
      service_resource_labels: true
      skip_create_descriptor: true
    retry_on_failure:                                                                         
      enabled: false                          
service:
  pipelines:
    metrics/elasticsearch_elasticsearch:
      exporters:
      - googlecloud
      processors:
      - resourcedetection/system
      - resourcedetection/env
      - resource/id
      - metricstransform/elasticsearch_elasticsearch_1
      receivers:
      - elasticsearch/elasticsearch_elasticsearch