feat(terminal): show terminal unavailable if the container does not have a shell on the global terminal UI

app/Livewire/Project/Shared/Terminal.php

@@ -9,6 +9,8 @@ use Livewire\Component;
 
 class Terminal extends Component
 {
+    public bool $hasShell = true;
+
     public function getListeners()
     {
         $teamId = auth()->user()->currentTeam()->id;
@@ -23,6 +25,21 @@ class Terminal extends Component
         $this->dispatch('reloadWindow');
     }
 
+    private function checkShellAvailability(Server $server, string $container): bool
+    {
+        $escapedContainer = escapeshellarg($container);
+        try {
+            instant_remote_process([
+                "docker exec {$escapedContainer} bash -c 'exit 0' 2>/dev/null || ".
+                "docker exec {$escapedContainer} sh -c 'exit 0' 2>/dev/null",
+            ], $server);
+
+            return true;
+        } catch (\Throwable) {
+            return false;
+        }
+    }
+
     #[On('send-terminal-command')]
     public function sendTerminalCommand($isContainer, $identifier, $serverUuid)
     {
@@ -40,6 +57,12 @@ class Terminal extends Component
                 return;
             }
 
+            // Check shell availability
+            $this->hasShell = $this->checkShellAvailability($server, $identifier);
+            if (! $this->hasShell) {
+                return;
+            }
+
             // Escape the identifier for shell usage
             $escapedIdentifier = escapeshellarg($identifier);
             $command = SshMultiplexingHelper::generateSshCommand($server, "docker exec -it {$escapedIdentifier} sh -c 'PATH=\$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin && if [ -f ~/.profile ]; then . ~/.profile; fi && if [ -n \"\$SHELL\" ]; then exec \$SHELL; else sh; fi'");

resources/views/livewire/project/shared/terminal.blade.php

@@ -1,4 +1,19 @@
 <div id="terminal-container" x-data="terminalData()">
+    @if(!$hasShell)
+        <div class="flex pt-4 items-center justify-center w-full py-4 mx-auto">
+            <div class="p-4 w-full rounded border dark:bg-coolgray-100 dark:border-coolgray-300">
+                <div class="flex flex-col items-center justify-center space-y-4">
+                    <svg class="w-12 h-12 text-red-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"/>
+                    </svg>
+                    <div class="text-center">
+                        <h3 class="text-lg font-medium">Terminal Not Available</h3>
+                        <p class="mt-2 text-sm text-gray-500">No shell (bash/sh) is available in this container. Please ensure either bash or sh is installed to use the terminal.</p>
+                    </div>
+                </div>
+            </div>
+        </div>
+    @else
         <div x-ref="terminalWrapper"
             :class="fullscreen ? 'fullscreen' : 'relative w-full h-full py-4 mx-auto max-h-[510px]'">
             <div id="terminal" wire:ignore></div>
@@ -18,6 +33,7 @@
                     </g>
                 </svg></button>
         </div>
+    @endif
     @script
         <script>
             // expose terminal config to the terminal.js file