Improved error handling when vpn host not created

app/playbook.py

@@ -186,6 +186,9 @@ class PlaybookCLI(CLI):
 
                         display.display(taskmsg)
 
+        if 'vpn-host' not in inventory.groups:
+            raise ValueError('no_vpn_host')
+        else:
             host = inventory.groups['vpn-host'].hosts[0].name
             host_vars = variable_manager.get_vars()['hostvars'][host]
             return {

app/server.py

@@ -40,7 +40,10 @@ async def playbook_get_handler(request):
         return web.json_response({'status': None})
 
     if task_future.done():
+        try:
             return web.json_response({'status': 'done', 'program': task_program, 'result': task_future.result()})
+        except ValueError as e:
+            return web.json_response({'status': 'error', 'program': task_program, 'result': str(e)})
     elif task_future.cancelled():
         return web.json_response({'status': 'cancelled', 'program': task_program})
     else:

app/static/provider-scaleway.vue

@@ -20,7 +20,9 @@
         v-bind:disabled="ui_loading_check || ui_token_from_env"
         v-model="scaleway_token"
       />
-      <p v-if="ui_token_from_env">Token was read from the environment</p>
+      <div v-if="ui_token_from_env" class="form-text alert alert-success" role="alert">
+        Token was read from the environment variable
+      </div>
     </div>
 
     <div class="form-group">

app/static/provider-vultr.vue

@@ -20,6 +20,9 @@
         v-bind:disabled="ui_loading_check"
         v-model="vultr_config"
       />
+      <div v-if="ui_token_from_env" class="form-text alert alert-success" role="alert">
+        Configuration file was found in your system. You still can change the path to it
+      </div>
     </div>
 
     <div class="form-group">
@@ -47,6 +50,7 @@ module.exports = {
       vultr_config: null,
       region: null,
       // helper variables
+      ui_token_from_env: false,
       ui_loading_check: false,
       ui_loading_regions: false,
       ui_region_options: []
@@ -69,6 +73,7 @@ module.exports = {
         .then(response => {
           if (response.path) {
             this.vultr_config = response.path;
+            this.ui_token_from_env = true;
           }
         })
         .finally(() => {