// Log- und Metrik-Collector fuer den Operating-Host.

discovery.docker "linux_containers" {
  host = "unix:///var/run/docker.sock"
}

// Container-Metadaten als Loki-Labels (additiv zu job/instance/service_name).
discovery.relabel "docker_containers" {
  targets = discovery.docker.linux_containers.targets

  rule {
    source_labels = ["__meta_docker_container_name"]
    regex         = "/(.*)"
    target_label  = "container"
  }

  rule {
    source_labels = ["__meta_docker_container_label_com_docker_compose_service"]
    target_label  = "compose_service"
  }

  rule {
    source_labels = ["__meta_docker_container_label_com_docker_compose_project"]
    target_label  = "compose_project"
  }
}

loki.source.docker "docker_logs" {
  host       = "unix:///var/run/docker.sock"
  targets    = discovery.relabel.docker_containers.output
  forward_to = [loki.write.local_loki.receiver]
}

loki.write "local_loki" {
  endpoint {
    url = "http://loki:3100/loki/api/v1/push"
  }
}

prometheus.scrape "node_exporter" {
  targets    = [{"__address__" = "node-exporter:9100"}]
  forward_to = [prometheus.remote_write.local_prometheus.receiver]
}

prometheus.remote_write "local_prometheus" {
  endpoint {
    url = "http://prometheus:9090/api/v1/write"
  }
}