From 4801b0f626e6f393e7c865b084e7b80a518ada96 Mon Sep 17 00:00:00 2001
From: Kjetil Orbekk <kj@orbekk.com>
Date: Fri, 12 Nov 2021 17:55:06 -0500
Subject: Create static IP mapping for firelink

---
 config/router.nix            |  1 +
 modules/pms7003-exporter.nix | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 modules/pms7003-exporter.nix

diff --git a/config/router.nix b/config/router.nix
index 9fdbdd0..eff8491 100644
--- a/config/router.nix
+++ b/config/router.nix
@@ -249,6 +249,7 @@ in {
       dhcp-option=net:vlan30,option:dns-server,172.20.30.1
 
       dhcp-range=vlan100,172.20.100.50,172.20.100.254,5m
+      dhcp-host=vlan100,d8:3b:bf:59:22:de,172.20.100.10
       dhcp-range=vlan100,::100,::500,constructor:bond0.100,ra-only
       dhcp-option=net:vlan100,option:router,172.20.100.1
       dhcp-option=net:vlan100,option:dns-server,172.20.100.1
diff --git a/modules/pms7003-exporter.nix b/modules/pms7003-exporter.nix
new file mode 100644
index 0000000..cc27e4c
--- /dev/null
+++ b/modules/pms7003-exporter.nix
@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.orbekk.pms7003-exporter;
+  aliases = import ../data/aliases.nix;
+in
+{
+  options = {
+    orbekk.pms7003-exporter = {
+      enable = lib.mkEnableOption "Enable PMS7003 exporter";
+      bind-addr = lib.mkOption {
+        type = lib.types.str;
+        default = let
+          port = aliases.services.prometheus-snmp-exporter.port;
+        in "127.0.0.1:${toString port}";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.pms7003-exporter = {
+      description = "PMS7003 prometheus exporter";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      serviceConfig = {
+        DynamicUser = true;
+        SupplementaryGroups = "dialout";
+        ExecStart = "${pkgs.pms7003}/bin/pms7003 --prometheus-bind-address ${cfg.bind-addr} --quiet -v";
+      };
+    };
+  };
+}
-- 
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