// =============================================================================
// Template Grafana Alloy pour Ansible
// Monitoring complet : Métriques Système + Statut Dnsmasq + Logs Système
// =============================================================================

logging {
  level  = "{{ alloy_log_level | default("info") }}"
  format = "{{ alloy_log_format | default("logfmt") }}"
}

// --- Destinations ---
prometheus.remote_write "to_prometheus" {
  endpoint {
    url = "{{ alloy_prometheus_url | default("http://vision.lab.home.arnodo.fr:9090/api/v1/write") }}"
  }
}

loki.write "to_loki" {
  endpoint {
    url = "{{ alloy_loki_url | default("http://vision.lab.home.arnodo.fr:3100/loki/api/v1/push") }}"
  }
  external_labels = {
    source = "raspberrypi",
  }
}

// --- Pipeline des métriques ---
prometheus.exporter.unix "system" {}
prometheus.exporter.dnsmasq "dnsmasq_status" {}

prometheus.scrape "local_metrics" {
  targets = concat(
    prometheus.exporter.unix.system.targets,
    prometheus.exporter.dnsmasq.dnsmasq_status.targets,
  )
  forward_to = [prometheus.remote_write.to_prometheus.receiver]
}

// --- Pipeline des logs ---
loki.source.journal "system_logs" {
  forward_to = [loki.relabel.add_job_label.receiver]
}

loki.relabel "add_job_label" {
  rule {
    target_label = "job"
    replacement  = "journal"
  }
  forward_to = [loki.write.to_loki.receiver]
}