frontend: disable wifi-updater and let user know if wifi service is disabled

core/frontend/src/App.vue

@@ -369,7 +369,6 @@
       <div id="tour-center-hook" />
     </v-main>
     <ethernet-updater />
-    <wifi-updater />
     <mavlink-updater />
     <new-version-notificator />
     <Wizard />
@@ -419,7 +418,6 @@ import HealthTrayMenu from './components/health/HealthTrayMenu.vue'
 import MavlinkUpdater from './components/mavlink/MavlinkUpdater.vue'
 import NotificationTrayButton from './components/notifications/TrayButton.vue'
 import WifiTrayMenu from './components/wifi/WifiTrayMenu.vue'
-import WifiUpdater from './components/wifi/WifiUpdater.vue'
 import menus, { menuItem } from './menus'
 import autopilot_data from './store/autopilot'
 import Cpu from './widgets/Cpu.vue'
@@ -436,7 +434,6 @@ export default Vue.extend({
     'pirate-mode-tray-menu': PiradeModeTrayMenu,
     'theme-tray-menu': ThemeTrayMenu,
     'wifi-tray-menu': WifiTrayMenu,
-    'wifi-updater': WifiUpdater,
     'ethernet-tray-menu': EthernetTrayMenu,
     'cloud-tray-menu': CloudTrayMenu,
     'ethernet-updater': EthernetUpdater,

core/frontend/src/components/wifi/WifiTrayMenu.vue

@@ -1,44 +1,79 @@
 <template>
-  <v-menu
-    :close-on-content-click="false"
-    nudge-left="500"
-    nudge-bottom="25"
-  >
-    <template
-      #activator="{ on, attrs }"
+  <div>
+    <wifi-updater v-if="!wifi_service_disabled" />
+    <v-menu
+      :close-on-content-click="false"
+      nudge-left="500"
+      nudge-bottom="25"
     >
+      <template
+        #activator="{ on, attrs }"
+      >
+        <v-card
+          id="wifi-tray-menu-button"
+          class="px-1"
+          elevation="0"
+          color="transparent"
+          v-bind="attrs"
+          v-on="on"
+        >
+          <v-icon
+            v-tooltip="{
+              content: wifi_service_disabled ? 'Wifi is disabled' : undefined,
+              bottom: true,
+              offset: 5,
+            }"
+            color="white"
+          >
+            {{ wifi_icon }}
+          </v-icon>
+        </v-card>
+      </template>
+      <wifi-manager v-if="!wifi_service_disabled" />
       <v-card
-        id="wifi-tray-menu-button"
-        class="px-1"
-        elevation="0"
-        color="transparent"
-        v-bind="attrs"
-        v-on="on"
+        v-else
+        elevation="1"
+        width="500"
       >
-        <v-icon color="white">
-          {{ wifi_icon }}
-        </v-icon>
+        <v-card-title class="text-subtitle-1 pa-4">
+          Wifi is disabled via environment variable. <br>
+          Re-enable it by removing "wifi" from <code>BLUEOS_DISABLE_SERVICES</code>
+          in <code>/root/.config/bootstrap/startup.json</code>
+        </v-card-title>
       </v-card>
-    </template>
-    <wifi-manager />
-  </v-menu>
+    </v-menu>
+  </div>
 </template>
 
 <script lang="ts">
 import Vue from 'vue'
 
+import commander from '@/store/commander'
 import wifi from '@/store/wifi'
 import { wifi_strenght_icon } from '@/utils/wifi'
 
 import WifiManager from './WifiManager.vue'
+import WifiUpdater from './WifiUpdater.vue'
 
 export default Vue.extend({
   name: 'WifiTrayMenu',
   components: {
     WifiManager,
+    WifiUpdater,
+  },
+  data() {
+    return {
+      disabled_services: undefined as string[] | undefined,
+    }
   },
   computed: {
+    wifi_service_disabled(): boolean {
+      return this.disabled_services?.includes('wifi') ?? false
+    },
     wifi_icon(): string {
+      if (this.wifi_service_disabled) {
+        return 'mdi-wifi-cancel'
+      }
       if (wifi.connectable_networks === null) {
         return 'mdi-wifi-sync'
       }
@@ -48,6 +83,11 @@ export default Vue.extend({
       return wifi_strenght_icon(wifi.current_network.signal)
     },
   },
+  mounted() {
+    commander.getEnvironmentVariables().then((environment_variables) => {
+      this.disabled_services = ((environment_variables?.BLUEOS_DISABLE_SERVICES as string) ?? '').split(',') as string[]
+    })
+  },
 })
 </script>
 

core/frontend/src/store/commander.ts

@@ -9,6 +9,8 @@ class CommanderStore {
   API_URL = '/commander/v1.0'
 
   private static instance: CommanderStore
+  // environment variables need a full reboot to take effect, so we should be able to cache them
+  private environmentVariables: Record<string, unknown> | undefined
 
   public static getInstance(): CommanderStore {
     if (!CommanderStore.instance) {
@@ -145,12 +147,18 @@ class CommanderStore {
   }
 
   async getEnvironmentVariables(): Promise<Record<string, unknown> | undefined> {
+    if (this.environmentVariables) {
+      return this.environmentVariables
+    }
     return back_axios({
       method: 'get',
       url: `${this.API_URL}/environment_variables`,
       timeout: 5000,
     })
-      .then((response) => response.data)
+      .then((response) => {
+        this.environmentVariables = response.data
+        return response.data
+      })
       .catch((error) => {
         if (error === backend_offline_error) {
           return undefined

core/start-blueos-core

@@ -21,6 +21,9 @@ RUN_AS_REGULAR_USER="sudo -u blueos"
 # Set BlueOS log folder
 BLUEOS_LOG_FOLDER_PATH="/var/logs/blueos"
 
+# Replace spaces with commas in the disabled services list
+BLUEOS_DISABLE_SERVICES=${BLUEOS_DISABLE_SERVICES// /,}
+
 # The system may start with full disk, in this case resulting in an unstable behavior.
 # As an attempt to recover the system, lets delete the log files before current boot
 AVAILABLE_SPACE_MB=$(($(stat -f / --format="%a*%S/1024**2")))