<%- if metrics_enabled and metrics_docker %>
prometheus.exporter.cadvisor "dockermetrics" {
  docker_host = "unix:///var/run/docker.sock"
  storage_duration = "5m"
}

/* Relabel component to drop container_spec metrics that often have NaN values */
prometheus.relabel "docker_filter" {
  forward_to = [prometheus.remote_write.default.receiver]
  
  rule {
    source_labels = ["__name__"]
    regex = "container_spec_(cpu_period|cpu_quota|cpu_shares|memory_limit_bytes|memory_swap_limit_bytes|memory_reservation_limit_bytes)"
    action = "drop"
  }
}

prometheus.scrape "dockermetrics" {
  targets    = prometheus.exporter.cadvisor.dockermetrics.targets
  forward_to = [prometheus.relabel.docker_filter.receiver]
  scrape_interval = "10s"
}
<%- endif %>