// ###############################
// #### Metrics Configuration ####
// ###############################

// Host Cadvisor on the Docker socket to expose container metrics.
prometheus.exporter.cadvisor "example" {
  docker_only = true
}

discovery.relabel "example" {
    targets = prometheus.exporter.cadvisor.example.targets

    rule {
        target_label = "job"
        replacement  = "integrations/docker"
    }

    rule {
        target_label = "instance"
        replacement  = constants.hostname
    }
}

// Configure a prometheus.scrape component to collect cadvisor metrics.
prometheus.scrape "scraper" {
  targets    = discovery.relabel.example.output
  forward_to = [ prometheus.remote_write.demo.receiver ]


  scrape_interval = "10s"
}

// Configure a prometheus.remote_write component to send metrics to a Prometheus server.
prometheus.remote_write "demo" {
  endpoint {
    url = "http://prometheus:9090/api/v1/write"
  }
}

// ###############################
// #### Logging Configuration ####
// ###############################

// Discover Docker containers and extract metadata.
discovery.docker "linux" {
  host = "unix:///var/run/docker.sock"
}

// Define a relabeling rule to create a service name from the container name.
discovery.relabel "logs_integrations_docker" {
      targets = []
  
      rule {
          source_labels = ["__meta_docker_container_name"]
          regex = "/(.*)"
          target_label = "container_name"
      }

     rule {
        target_label = "instance"
        replacement  = constants.hostname
    }

  }


// Configure a loki.source.docker component to collect logs from Docker containers.
loki.source.docker "default" {
  host       = "unix:///var/run/docker.sock"
  targets    = discovery.docker.linux.targets
  relabel_rules = discovery.relabel.logs_integrations_docker.rules
  forward_to = [loki.write.local.receiver]
}

loki.write "local" {
  endpoint {
    url = "http://10.0.141.200:3100/loki/api/v1/push"
  }
}