Datadog autodiscovery annotations for openmetrics

openmetrics.yaml

apiVersion: v1
kind: Pod
metadata:
  name: {{ $pod_name }}
  labels:
    service: {{ $service }}
  annotations:
    ad.datadoghq.com/{{ $container_name }}.check_names: '["openmetrics"]'
    ad.datadoghq.com/{{ $container_name }}.init_configs: '[{}]'
    ad.datadoghq.com/{{ $container_name }}.logs: |
      [{
        "service": "{{ $service }}",
        "source": "{{ $source }}",
        "tags": ["key:value"]
      }]
    ad.datadoghq.com/{{ $container_name }}.instances: |
      [{
        "prometheus_url": "http://%%host%%:9090/metrics",
        "namespace": "{{ $source }}",
        "metrics": ["*"],
        "send_distribution_buckets": true,
        "send_distribution_counts_as_monotonic": true,
        "tags": ["key:value"]
      }]
spec:
  containers:
  - name: {{ $container_name }}
    image: {{ $image_name }}:{{ $image_tag }}