Goto access point mode before update

src/network/netconfig.lua

@@ -296,6 +296,23 @@ function M.setupAccessPoint(ssid)
 	return true
 end
 
+--- set the network configuration to accesspoint, but don't reload (used before updating)
+-- Note: this function might belong in the wlanconfig module but that would introduce
+-- a circular dependency, easiest solution is to place the function here.
+-- @tparam string ssid The SSID to use for the access point.
+-- @return True on success or nil+msg on error.
+function M.enableAccessPoint(ssid)
+	log:debug("enableAccessPoint ssid: ".. utils.dump(ssid))
+	
+	M.switchConfiguration{apnet="add_noreload"}
+	wifi.activateConfig(ssid)
+	
+	local ds = wifi.getDeviceState()
+	log:debug("    ssid: ".. utils.dump(ds.ssid))
+			
+	return true
+end
+
 --- Associates wlan device as client with the given SSID.
 -- Note: this function might belong in the wlanconfig module but that would introduce
 -- a circular dependency, easiest solution is to place the function here.

src/rest/api/api_update.lua

@@ -1,3 +1,7 @@
+local wifi = require('network.wlanconfig')
+local netconf = require('network.netconfig')
+local settings = require('util.settings')
+
 -- NOTE: the module 'detects' command-line invocation by existence of 'arg', so we have to make sure it is not defined.
 argStash = arg
 arg = nil
@@ -145,6 +149,9 @@ function M.install_POST(request, response)
 	updater.setLogger(log)
 	updater.setState(updater.STATE.INSTALLING,"")
 	
+	local ssid = wifi.getSubstitutedSsid(settings.get('network.ap.ssid'))
+	local rv,msg = netconf.enableAccessPoint(ssid)
+	
 	if not argVersion then
 		local success,status,msg = updater.getStatus()
 		if not success then