locals_metrics.tf

locals {
  metrics_shortname = "postgres-exporter"
  zone              = var.zone

  scheme               = var.zone.https == 1 ? "https" : "http"
  hostname             = "${local.metrics_shortname}-${local.postfix}"
  entrypoint           = var.zone.entrypoint
  route                = local.metrics_shortname
  metrics_service_port = 9187
  middleware_rewrite   = "${local.metrics_shortname}-rewrite"
  middlewares          = local.middleware_rewrite

  metrics_path         = "/stats/postgres/metrics"
  metrics_rewrite_path = "/stats/postgres/"
}

locals {
  metrics_env = [
    "DATA_SOURCE_NAME=${local.connection}"
  ]
  metrics_cmd = [
  ]
}

locals {
  labels_https = [{
    label = "traefik.http.routers.${local.route}.entrypoints"
    value = "https"
    }, {
    label = "traefik.http.routers.${local.route}.tls"
    value = "true"
    }, {
    label = "traefik.http.routers.${local.route}.tls.certresolver"
    value = "le"
  }]

  labels_entrypoint = [
    {
      label = "traefik.http.routers.${local.route}.rule"
      value = "${var.zone.host_rule} && PathPrefix(`${local.metrics_path}`)"
    },
    {
      label = "traefik.http.routers.${local.route}.entrypoints"
      value = local.entrypoint
    }
  ]
  labels_service = [
    {
      label = "traefik.http.routers.${local.route}.service"
      value = "${local.metrics_shortname}@docker"
    },
    {
      label = "traefik.http.services.${local.metrics_shortname}.loadbalancer.server.port"
      value = local.metrics_service_port
    }
  ]
  labels_strip_prefix = [
    {
      label = "traefik.http.middlewares.${local.middleware_rewrite}.stripprefix.prefixes"
      value = local.metrics_rewrite_path
    }
  ]

  metrics_labels = concat(
    var.network_params.labels,
    var.zone.labels,
    local.labels_entrypoint,
    local.labels_service,
    var.zone.https == 1 ? local.labels_https : [],
    local.labels_strip_prefix,
    [{
      label = "traefik.http.routers.${local.route}.middlewares"
      value = local.middlewares
      }, {
      label = "role"
      value = local.metrics_shortname
    }]
  )
}