// Sample config for Alloy.
//
// For a full configuration reference, see https://grafana.com/docs/dev-packages
logging {
  level = "warn"
}

prometheus.exporter.unix "default" {
  include_exporter_metrics = true
  disable_collectors       = ["mdadm"]
}

prometheus.scrape "default" {
  targets = array.concat(
    prometheus.exporter.unix.default.targets,
    [{
	  // Self-collect metrics
      job         = "dev-packages",
      __address__ = "127.0.0.1:12345",
      group = "infrastructure",
    }],
  )

  forward_to = [
  // TODO: components to forward metrics to (like prometheus.remote_write or
  // prometheus.relabel).
    prometheus.remote_write.default.receiver,
  ]
}

prometheus.remote_write "default" {
  external_labels = {
    "node" = "{{ node_name }}",
  }

  endpoint {
    url = "https://prometheus.i.kjuulh.io/api/v1/write"
  }
}

local.file_match "local_files" {
    path_targets = [{"__path__" = "/var/log/*.log"}]
    sync_period = "5s"
}

loki.source.file "log_scrape" {
  targets    = local.file_match.local_files.targets
  forward_to = [loki.process.filter_logs.receiver]
  tail_from_end = true
}

loki.source.journal "default" {
  forward_to = [loki.process.filter_logs.receiver]
}

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

loki.source.docker "default" {
  host       = "unix:///var/run/docker.sock"
  targets    = discovery.docker.linux.targets
  labels     = {"app" = "docker"}
  forward_to = [loki.write.grafana_loki.receiver]
}

loki.process "filter_logs" {
  stage.drop {
    source = ""
    expression  = ".*Connection closed by authenticating user root"
    drop_counter_reason = "noisy"
  }
  forward_to = [loki.write.grafana_loki.receiver]
}

loki.write "grafana_loki" {
  external_labels = {
    "node" = "{{ node_name }}",
  }

  endpoint {
    url = "https://loki.i.kjuulh.io/loki/api/v1/push"
  }
}