adding powersafe off for wifi in rpis

hardware/raspberrypi/init.sls

@@ -14,6 +14,7 @@ set has_fan = salt['pillar.get'](
 
 include:
   - .repo
+  - .wifi
 {%- if 'node_exporter' in has_promexporter %}
   - .prometheus-exporter
 {%- endif %}

hardware/raspberrypi/wifi/files/default-wifi-powersave.conf

@@ -0,0 +1,3 @@
+# disable powersave
+[connection]
+wifi.powersave = 2

hardware/raspberrypi/wifi/files/wifi-powermanagement-off

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+IWCONFIG=/sbin/iwconfig
+WLAN_IFACE=wlan0
+
+if [ ! -x $IWCONFIG ]; then
+    exit 1
+fi
+
+if [ "$IFACE" = $WLAN_IFACE ]; then
+    $IWCONFIG $IFACE power off
+fi

hardware/raspberrypi/wifi/init.sls

@@ -0,0 +1,22 @@
+# disable wifi powermanagement
+
+nm-conf_d:
+  file.directory:
+    - name: /etc/NetworkManager/conf.d
+
+nm-conf_powersave-off:
+  file.managed:
+    - name: /etc/NetworkManager/conf.d/default-wifi-powersave.conf
+    - source:
+      - salt://hardware/raspberrypi/wifi/files/default-wifi-powersave.conf
+    - require:
+      - file: /etc/NetworkManager/conf.d
+      
+if-up_powersave-off:
+  file.managed:
+    - name: /etc/network/if-up.d/wifi-powermanagement-off
+    - mode: 0755
+    - source:
+      - salt://hardware/raspberrypi/wifi/files/wifi-powermanagement-off
+      
+