From 774221191dcd9614b8316cc00bbd7e4a7604ae2c Mon Sep 17 00:00:00 2001
From: WilliButz <wbutz@cyberfnord.de>
Date: Wed, 17 Jul 2019 14:19:18 +0200
Subject: nixos/prometheus-exporters: refactor imports, replace 'with lib;'

Pass through 'options' to exporter definitions and replace 'with lib;'
by explicit function imports.
---
 .../services/monitoring/prometheus/exporters.nix   | 49 ++++++++++++----------
 .../monitoring/prometheus/exporters/bind.nix       |  2 +-
 .../monitoring/prometheus/exporters/blackbox.nix   |  2 +-
 .../monitoring/prometheus/exporters/collectd.nix   |  2 +-
 .../monitoring/prometheus/exporters/dnsmasq.nix    |  2 +-
 .../monitoring/prometheus/exporters/dovecot.nix    |  2 +-
 .../monitoring/prometheus/exporters/fritzbox.nix   |  2 +-
 .../monitoring/prometheus/exporters/json.nix       |  2 +-
 .../monitoring/prometheus/exporters/minio.nix      |  2 +-
 .../monitoring/prometheus/exporters/nginx.nix      |  2 +-
 .../monitoring/prometheus/exporters/node.nix       |  2 +-
 .../monitoring/prometheus/exporters/postfix.nix    |  2 +-
 .../monitoring/prometheus/exporters/snmp.nix       |  2 +-
 .../monitoring/prometheus/exporters/surfboard.nix  |  2 +-
 .../monitoring/prometheus/exporters/tor.nix        |  2 +-
 .../monitoring/prometheus/exporters/unifi.nix      |  2 +-
 .../monitoring/prometheus/exporters/varnish.nix    |  2 +-
 .../monitoring/prometheus/exporters/wireguard.nix  |  2 +-
 18 files changed, 44 insertions(+), 39 deletions(-)

diff --git a/nixos/modules/services/monitoring/prometheus/exporters.nix b/nixos/modules/services/monitoring/prometheus/exporters.nix
index 20e7eba43412..e7cc7448c891 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters.nix
@@ -1,8 +1,10 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
+{ config, pkgs, lib, options, ... }:
 
 let
+  inherit (lib) concatStrings foldl foldl' genAttrs literalExample maintainers
+                mapAttrsToList mkDefault mkEnableOption mkIf mkMerge mkOption
+                optional types;
+
   cfg = config.services.prometheus.exporters;
 
   # each attribute in `exporterOpts` is expected to have specified:
@@ -17,25 +19,28 @@ let
   #  Note that `extraOpts` is optional, but a script for the exporter's
   #  systemd service must be provided by specifying either
   #  `serviceOpts.script` or `serviceOpts.serviceConfig.ExecStart`
-  exporterOpts = {
-    blackbox  = import ./exporters/blackbox.nix  { inherit config lib pkgs; };
-    collectd  = import ./exporters/collectd.nix  { inherit config lib pkgs; };
-    dnsmasq   = import ./exporters/dnsmasq.nix   { inherit config lib pkgs; };
-    dovecot   = import ./exporters/dovecot.nix   { inherit config lib pkgs; };
-    fritzbox  = import ./exporters/fritzbox.nix  { inherit config lib pkgs; };
-    json      = import ./exporters/json.nix      { inherit config lib pkgs; };
-    minio     = import ./exporters/minio.nix     { inherit config lib pkgs; };
-    nginx     = import ./exporters/nginx.nix     { inherit config lib pkgs; };
-    node      = import ./exporters/node.nix      { inherit config lib pkgs; };
-    postfix   = import ./exporters/postfix.nix   { inherit config lib pkgs; };
-    snmp      = import ./exporters/snmp.nix      { inherit config lib pkgs; };
-    surfboard = import ./exporters/surfboard.nix { inherit config lib pkgs; };
-    tor       = import ./exporters/tor.nix       { inherit config lib pkgs; };
-    unifi     = import ./exporters/unifi.nix     { inherit config lib pkgs; };
-    varnish   = import ./exporters/varnish.nix   { inherit config lib pkgs; };
-    bind      = import ./exporters/bind.nix      { inherit config lib pkgs; };
-    wireguard = import ./exporters/wireguard.nix { inherit config lib pkgs; };
-  };
+
+  exporterOpts = genAttrs [
+    "bind"
+    "blackbox"
+    "collectd"
+    "dnsmasq"
+    "dovecot"
+    "fritzbox"
+    "json"
+    "minio"
+    "nginx"
+    "node"
+    "postfix"
+    "snmp"
+    "surfboard"
+    "tor"
+    "unifi"
+    "varnish"
+    "wireguard"
+  ] (name:
+    import (./. + "/exporters/${name}.nix") { inherit config lib pkgs options; }
+  );
 
   mkExporterOpts = ({ name, port }: {
     enable = mkEnableOption "the prometheus ${name} exporter";
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/bind.nix b/nixos/modules/services/monitoring/prometheus/exporters/bind.nix
index a9746c4d65d5..7bcd03e0706d 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/bind.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/bind.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix b/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
index d09d1c4f3663..bf78cb15ad92 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/collectd.nix b/nixos/modules/services/monitoring/prometheus/exporters/collectd.nix
index 0eba3527162d..8c8ea08b5d42 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/collectd.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/collectd.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/dnsmasq.nix b/nixos/modules/services/monitoring/prometheus/exporters/dnsmasq.nix
index b1fab85109af..1b2ab93b302c 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/dnsmasq.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/dnsmasq.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
index c47e87a3dc35..039242b730c6 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/fritzbox.nix b/nixos/modules/services/monitoring/prometheus/exporters/fritzbox.nix
index 530206681d36..f2f7dcf06a8d 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/fritzbox.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/fritzbox.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/json.nix b/nixos/modules/services/monitoring/prometheus/exporters/json.nix
index a5494e85e016..c0b677f2f62d 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/json.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/json.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/minio.nix b/nixos/modules/services/monitoring/prometheus/exporters/minio.nix
index 3cc4ffdbc8fd..2ecc62b0d79a 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/minio.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/minio.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/nginx.nix b/nixos/modules/services/monitoring/prometheus/exporters/nginx.nix
index 431dd8b4ead7..519bd9efca26 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/nginx.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/node.nix b/nixos/modules/services/monitoring/prometheus/exporters/node.nix
index 8c4128f9b634..2477e69ea267 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/node.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/node.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/postfix.nix b/nixos/modules/services/monitoring/prometheus/exporters/postfix.nix
index efe78ebcba86..963fa7592565 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/postfix.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/postfix.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/snmp.nix b/nixos/modules/services/monitoring/prometheus/exporters/snmp.nix
index 0d9194124325..4361c3543ba1 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/snmp.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/snmp.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/surfboard.nix b/nixos/modules/services/monitoring/prometheus/exporters/surfboard.nix
index 715dba06a3dc..197a0a949e0d 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/surfboard.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/surfboard.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/tor.nix b/nixos/modules/services/monitoring/prometheus/exporters/tor.nix
index e0ae83802425..4a59e83fc2e8 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/tor.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/tor.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/unifi.nix b/nixos/modules/services/monitoring/prometheus/exporters/unifi.nix
index 011dcbe208e4..696c2fe35353 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/unifi.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/unifi.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/varnish.nix b/nixos/modules/services/monitoring/prometheus/exporters/varnish.nix
index 924689dc994b..f38221527b32 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/varnish.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/varnish.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/wireguard.nix b/nixos/modules/services/monitoring/prometheus/exporters/wireguard.nix
index eae7a61297d1..5aed4a3a966d 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/wireguard.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/wireguard.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs }:
+{ config, lib, pkgs, options }:
 
 with lib;
 
-- 
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