From 4948743705ae821a4e01e48ca6a797571b87b04a Mon Sep 17 00:00:00 2001
From: Matej Urbas <matej.urbas@gmail.com>
Date: Sat, 5 Dec 2020 23:26:59 +0000
Subject: nixos/prometheus-exporters/py-air-control: init

---
 .../prometheus/exporters/py-air-control.nix        | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix

(limited to 'nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix')

diff --git a/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix b/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix
new file mode 100644
index 00000000000..d9a627ca2ea
--- /dev/null
+++ b/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix
@@ -0,0 +1,62 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.py-air-control;
+
+  py-air-control-exporter-env = pkgs.python3.withPackages (pyPkgs: [
+      pyPkgs.py-air-control-exporter
+  ]);
+
+  workingDir = "/var/lib/${cfg.stateDir}";
+
+in
+{
+  port = 9896;
+  extraOpts = {
+    deviceHostname = mkOption {
+      type = types.str;
+      example = "192.168.1.123";
+      description = ''
+        The hostname of the air purification device from which to scrape the metrics.
+      '';
+    };
+    protocol = mkOption {
+      type = types.str;
+      default = "http";
+      description = ''
+        The protocol to use when communicating with the air purification device.
+        Available: [http, coap, plain_coap]
+      '';
+    };
+    stateDir = mkOption {
+      type = types.str;
+      default = "prometheus-py-air-control-exporter";
+      description = ''
+        Directory below <literal>/var/lib</literal> to store runtime data.
+        This directory will be created automatically using systemd's StateDirectory mechanism.
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      DynamicUser = false;
+      StateDirectory = cfg.stateDir;
+      WorkingDirectory = workingDir;
+      ExecStart = ''
+        ${py-air-control-exporter-env}/bin/python -c \
+          "from py_air_control_exporter import app; app.create_app().run( \
+              debug=False, \
+              port=${toString cfg.port}, \
+              host='${cfg.listenAddress}', \
+          )"
+      '';
+      Environment = [
+        "PY_AIR_CONTROL_HOST=${cfg.deviceHostname}"
+        "PY_AIR_CONTROL_PROTOCOL=${cfg.protocol}"
+        "HOME=${workingDir}"
+      ];
+    };
+  };
+}
-- 
cgit 1.4.1


From 4970fbedbcab6f7a9d4030952c0a01c33b0f4e97 Mon Sep 17 00:00:00 2001
From: Matej Urbas <matej.urbas@gmail.com>
Date: Mon, 7 Dec 2020 12:15:38 +0000
Subject: nixos/prometheus-exporters/py-air-control: invoke exporter command

Package `py-air-control exporter` v0.1.5 comes with a new CLI. This change uses the new CLI (which simplifies the exporter's systemd service setup).
---
 .../prometheus/exporters/py-air-control.nix         | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

(limited to 'nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix')

diff --git a/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix b/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix
index d9a627ca2ea..d9ab99221d9 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/py-air-control.nix
@@ -5,10 +5,6 @@ with lib;
 let
   cfg = config.services.prometheus.exporters.py-air-control;
 
-  py-air-control-exporter-env = pkgs.python3.withPackages (pyPkgs: [
-      pyPkgs.py-air-control-exporter
-  ]);
-
   workingDir = "/var/lib/${cfg.stateDir}";
 
 in
@@ -45,18 +41,13 @@ in
       StateDirectory = cfg.stateDir;
       WorkingDirectory = workingDir;
       ExecStart = ''
-        ${py-air-control-exporter-env}/bin/python -c \
-          "from py_air_control_exporter import app; app.create_app().run( \
-              debug=False, \
-              port=${toString cfg.port}, \
-              host='${cfg.listenAddress}', \
-          )"
+        ${pkgs.python3Packages.py-air-control-exporter}/bin/py-air-control-exporter \
+          --host ${cfg.deviceHostname} \
+          --protocol ${cfg.protocol} \
+          --listen-port ${toString cfg.port} \
+          --listen-address ${cfg.listenAddress}
       '';
-      Environment = [
-        "PY_AIR_CONTROL_HOST=${cfg.deviceHostname}"
-        "PY_AIR_CONTROL_PROTOCOL=${cfg.protocol}"
-        "HOME=${workingDir}"
-      ];
+      Environment = [ "HOME=${workingDir}" ];
     };
   };
 }
-- 
cgit 1.4.1