// Managed by Ansible (role monitoring_agent): logs of {{ inventory_hostname }} to Loki.

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

discovery.relabel "containers" {
  targets = discovery.docker.containers.targets

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

loki.source.docker "containers" {
  host          = "unix:///var/run/docker.sock"
  targets       = discovery.docker.containers.targets
  relabel_rules = discovery.relabel.containers.rules
  labels        = { job = "docker" }
  forward_to    = [loki.process.containers.receiver]
}

loki.process "containers" {
  // CI job containers are many, short-lived and noisy: the runner logs suffice
  stage.match {
    selector = "{container=~\"FORGEJO-ACTIONS-TASK-.*\"}"
    action   = "drop"
  }
  forward_to = [loki.write.default.receiver]
}

loki.relabel "journal" {
  forward_to = []

  rule {
    source_labels = ["__journal__systemd_unit"]
    target_label  = "unit"
  }
  rule {
    source_labels = ["__journal_priority_keyword"]
    target_label  = "level"
  }
}

loki.source.journal "journal" {
  max_age       = "12h"
  relabel_rules = loki.relabel.journal.rules
  labels        = { job = "journal" }
  forward_to    = [loki.write.default.receiver]
}
{% if inventory_hostname == 'asxpio-ops' %}

local.file_match "traefik" {
  path_targets = [{ "__path__" = "/traefik-logs/access.log", job = "traefik-access" }]
}

loki.source.file "traefik" {
  targets    = local.file_match.traefik.targets
  forward_to = [loki.write.default.receiver]
}
{% endif %}

loki.write "default" {
  endpoint {
    url = "http://{{ asxpio_ops_vpc_ip }}:{{ monitoring_loki_port }}/loki/api/v1/push"
  }
  external_labels = { host = "{{ inventory_hostname }}" }
}