Add WLAN support.

README.md

@@ -26,6 +26,13 @@ The virtual machine is bridged to the physical interface where the hosts are att
 
 ### States
 
+#### Common
+
+##### WLAN
+
+* Execute `common.wlan` to setup wireless LAN on the RNAs. The devices automatically connect to the LARN network.
+* Check for present WLAN networks: `sudo iwlist wlan0 scan | grep ESSID`
+
 #### Demo
 
 * Execute `demo.control` to deploy the control demo.

salt/common/files/wlan0

+auto wlan0
+allow-hotplug wlan0
+iface wlan0 inet manual
+wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

salt/common/files/wpa_supplicant.conf

+network={
+	ssid="LARN"
+	scan_ssid=1
+	key_mgmt=WPA-PSK
+	psk="larn2018"
+}
+
+# WPA-EAP - Example
+# network={
+#   ssid="eduroam"
+#   scan_ssid=1
+#   key_mgmt=WPA-EAP
+#   identity="USER"
+#   password="PASSWORD"
+#   eap=PEAP
+#   phase1="peaplabel=0"
+#   phase2="auth=MSCHAPV2"
+# }

salt/common/wlan.sls

+wpasupplicant:
+    pkg.installed
+
+network_interfaces:
+    file.managed:
+        - name: /etc/network/interfaces.d/wlan0
+        - source: salt://common/files/wlan0
+
+wpa_supplication.conf:
+    file.managed:
+        - name: /etc/wpa_supplicant/wpa_supplicant.conf
+        - source: salt://common/files/wpa_supplicant.conf