variable "flake_ref" {
  type = string
}

variable "flake_sha" {
  type = string
}

job "matrix-prometheus" {
  datacenters = [ "homelab-1" ]
  type = "service"

  group "matrix-prometheus" {
    count = 1

    restart {
      attempts = 5
      delay = "5s"
    }

    network {
      mode = "bridge"
    }

    service {
      name = "matrix-prometheus"
      port = "0"
    }

    task "matrix-prometheus" {
      driver = "docker"

      config {
        nix_flake_ref = "${var.flake_ref}#nixngSystems.matrixPrometheus.config.system.build.toplevel"
        nix_flake_sha = var.flake_sha
        entrypoint = [ "init" ]
      }
    }

    task "matrix-prometheus-connect-nginx" {
      driver = "docker"

      config {
        nix_flake_ref = "${var.flake_ref}#nixngSystems.matrixPrometheusConnectNginx.config.system.build.toplevel"
        nix_flake_sha = var.flake_sha
        entrypoint = [ "init" ]

        template {
          data = <<EOF
upstream matrix-synapse-metrics {
{{- range connect "matrix-synapse-metrics"  }}
  proxy_pass {{ .Address }}:{{ .Port }}
{{- end -}}
}
EOF
          destination = "/local/upsteams.conf"
        }

        template {
          data = <<EOF
{{ range caRoots }}{{ .RootCertPEM }}{{ end }}
EOF
          destination = "/secrets/ca.pem"
        }

        template {
          data = <<EOF
{{ with caLeaf "nginx" }}{{ .CertPEM }}{{ end }}
EOF
          destination = "/secrets/crt.pem"
        }

        template {
          data = <<EOF
{{ with caLeaf "nginx" }}{{.PrivateKeyPEM }}{{ end }}
EOF
          destination = "/secrets/key.pem"
        }
      }
    }
  }
}