get TF in prod to the same 'installable ... does not correspond to a Nix language value' for non-flakes

seemingly gets further when a similar command is tried from terminal.
as per https://github.com/NixOS/nix/issues/8752#issuecomment-1694714693,
this may have to do with aligning the current working directory.

panel/src/panel/templates/configuration_form.html

@@ -9,7 +9,8 @@
           hx-trigger="click"
           hx-indicator="#spinner-container"
           hx-disabled-elt="this"
-          hx-swap="none"
+          hx-target="#deployment-result"
+          hx-swap="innerHTML"
           name="deploy">
       Deploy
   </button>
@@ -19,5 +20,8 @@
   <div id="spinner-container" class="htmx-indicator">
     <span class="loader"></span>
   </div>
+
+  <div id="deployment-result">
+  </div>
 </form>
 {% endblock %}

panel/src/panel/templates/partials/deployment_result.html

@@ -0,0 +1,13 @@
+{% if deployment_status %}
+  <p>{{ deployment_status }}</p>
+
+  <ul>
+  {% for service, state in services.items %}
+    {% if state %}
+    <li>
+        ✓ {{ service }}
+    </li>
+    {% endif %}
+  {% endfor %}
+  </ul>
+{% endif %}

panel/src/panel/views.py

@@ -10,10 +10,11 @@ from django.contrib.auth.models import User
 from django.views.generic import TemplateView, DetailView
 from django.views.generic.edit import FormView
 
+from django.shortcuts import render
 from panel import models, settings
-from panel import models
 from panel.configuration import forms
 
+
 class Index(TemplateView):
     template_name = 'index.html'
 
@@ -83,6 +84,7 @@ class ConfigurationForm(LoginRequiredMixin, FormView):
         initial.update(self.convert_enums_to_names(config_dict))
         return initial
 
+
 class Save(ConfigurationForm):
     def form_valid(self, form):
         obj = self.get_object()
@@ -91,6 +93,7 @@ class Save(ConfigurationForm):
 
         return super().form_valid(form)
 
+
 class DeploymentStatus(ConfigurationForm):
     def form_valid(self, form):
         obj = self.get_object()
@@ -99,23 +102,34 @@ class DeploymentStatus(ConfigurationForm):
 
         # Check for deploy button
         if "deploy" in self.request.POST.keys():
-            self.deployment(obj)
+            deployment_result, deployment_params = self.deployment(obj)
+            if deployment_result.returncode == 0:
+                deployment_status = "Deployment Succeeded"
+            else:
+                deployment_status = "Deployment Failed"
 
-        return super().form_valid(form)
+        return render(self.request, "partials/deployment_result.html", {
+            "deployment_status": deployment_status,
+            "services": {
+                "peertube": deployment_params['peertube']['enable'],
+                "pixelfed": deployment_params['pixelfed']['enable'],
+                "mastodon": deployment_params['mastodon']['enable']
+                }
+            })
 
     def deployment(self, obj):
         submission = obj.parsed_value.model_dump_json()
         # FIXME: let the user specify these from the form (#190)
         dummy_user = {
-          "initialUser": {
-            "displayName": "Testy McTestface",
-            "username": "test",
-            "password": "testtest",
-            "email": "test@test.com",
-          },
+            "initialUser": {
+                "displayName": "Testy McTestface",
+                "username": "test",
+                "password": "testtest",
+                "email": "test@test.com",
+            },
         }
         # serialize back and forth now we still need to manually inject the dummy user
-        deployment = dummy_user | json.loads(submission)
+        deployment_params = dummy_user | json.loads(submission)
         env = {
             "PATH": settings.bin_path,
             # used in nixos-anywhere for ssh-copy-id
@@ -124,7 +138,7 @@ class DeploymentStatus(ConfigurationForm):
         } | {
             # pass in form info to our deployment
             # FIXME: ensure sensitive info is protected
-            f"TF_VAR_{k}": v if isinstance(v, str) else json.dumps(v) for k, v in deployment.items()
+            f"TF_VAR_{k}": v if isinstance(v, str) else json.dumps(v) for k, v in deployment_params.items()
         }
         cwd = f"{settings.repo_dir}/launch"
         # FIXME: move init to packaging phase
@@ -138,4 +152,4 @@ class DeploymentStatus(ConfigurationForm):
         ]
         deployment_result = subprocess.run(cmd, cwd=cwd, env=env)
         print(deployment_result)
-        return deployment_result
+        return deployment_result, deployment_params