// {{ ansible_managed }}
// For a full configuration reference, see https://grafana.com/docs/alloy

discovery.http "netbox_devices" {
  url = "{{ alloy_netbox_uri | mandatory }}/api/plugins/prometheus-sd/devices/"
  http_headers = {
    "Authorization" = [ "Token {{ alloy_netbox_api_key | mandatory }}" ],
  }
}

// ICMP probe definitions
discovery.relabel "icmp_probes_netbox" {
  targets = discovery.http.netbox_devices.targets

  // drop devices which don't have an IP address
  rule {
      source_labels = [ "__meta_netbox_primary_ip4" ]
      regex = ".+"
      action = "keep"
  }

  // configure target metadata from discovery
  rule {
    source_labels = [ "__meta_netbox_primary_ip4" ]
    target_label = "address"
  }
  rule {
    source_labels = [ "__meta_netbox_name" ]
    target_label = "name"
  }
  rule {
    source_labels = [ "__meta_netbox_location" ]
    target_label = "location"
  }
  rule {
    source_labels = [ "__meta_netbox_role" ]
    target_label = "netbox_role"
  }
  rule {
    source_labels = [ "__meta_netbox_status" ]
    target_label = "netbox_status"
  }

  // set probe module to icmp4 to execute pings via ipv4
  rule {
    target_label = "module"
    replacement = "icmp4"
  }
}


discovery.file "icmp_probes" {
  files = [ "/etc/alloy/icmp_probes.json" ]
}


prometheus.exporter.blackbox "icmp" {
  config_file = "/etc/alloy/blackbox-exporter-config.yaml"
  targets = discovery.file.icmp_probes.targets
}



// HTTPS probe definitions
prometheus.exporter.blackbox "web" {
  config_file = "/etc/alloy/blackbox-exporter-config.yaml"

  target {
    name = "eurofurence.org"
    address = "https://www.eurofurence.org/EF29/"
    module = "https4_2xx"
    labels = { probed_instance = "eurofurence.org" }
  }
}



// scraping config
discovery.relabel "blackbox_probes" {
  targets = array.concat(
    prometheus.exporter.blackbox.icmp.targets,
    prometheus.exporter.blackbox.web.targets,
  )

  // add "probe_module" label based on which probe module was used
  rule {
    source_labels = [ "__param_module" ]
    target_label = "probe_module"
  }
  // add "probe_target" label based on what was probed
  rule {
    source_labels = [ "__param_target" ]
    target_label = "probe_target"
  }
}

prometheus.scrape "blackbox_probes" {
  targets = discovery.relabel.blackbox_probes.output
  forward_to = [ prometheus.remote_write.ef_mimir.receiver ]
  scrape_interval = "30s"
  scrape_timeout = "30s"
}