Edit instance name feature implementation

Change-Id: I29afd16c74087256788b3dc9f88d4e8eec4cba85

releasenotes/notes/rename-instance-2bd17bdec7e1a488.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Users can rename database instances via dashboard.

trove_dashboard/api/trove.py

@@ -192,6 +192,10 @@ def instance_restart(request, instance_id):
     return troveclient(request).instances.restart(instance_id)
 
 
+def instance_rename(request, instance_id, name):
+    return troveclient(request).instances.update(instance_id, name=name)
+
+
 def instance_detach_replica(request, instance_id):
     return troveclient(request).instances.edit(instance_id,
                                                detach_replica_source=True)

trove_dashboard/content/databases/forms.py

@@ -281,3 +281,28 @@ class AttachConfigurationForm(forms.SelfHandlingForm):
                                          'group.'),
                               redirect=redirect)
         return True
+
+
+class RenameInstanceForm(forms.SelfHandlingForm):
+    instance_id = forms.CharField(widget=forms.HiddenInput())
+    instance_name = forms.CharField(label=_("Name"))
+
+    def __init__(self, request, *args, **kwargs):
+        super(RenameInstanceForm, self).__init__(request, *args, **kwargs)
+        instance_id = kwargs.get('initial', {}).get('instance_id')
+        self.fields['instance_id'].initial = instance_id
+
+    def handle(self, request, data):
+        instance_id = data.get('instance_id')
+        instance_name = data.get('instance_name')
+        try:
+            api.trove.instance_rename(request, instance_id, instance_name)
+
+            messages.success(request, _('Instance "%s" successfully renamed.')
+                             % instance_name)
+        except Exception:
+            redirect = reverse("horizon:project:databases:index")
+            exceptions.handle(request, _('Unable to rename instance "%s".'
+                                         % instance_id),
+                              redirect=redirect)
+        return True

trove_dashboard/content/databases/tables.py

@@ -629,6 +629,17 @@ class StopDatabase(tables.BatchAction):
         return request.user.is_superuser and instance.status in ACTIVE_STATES
 
 
+class RenameInstance(tables.LinkAction):
+    name = "edit_instance"
+    verbose_name = _("Rename Instance")
+    url = "horizon:project:databases:edit_instance"
+    classes = ("btn-attach-config", "ajax-modal")
+
+    def allowed(self, request, instance=None):
+        return (instance.status in ACTIVE_STATES and
+                not hasattr(instance, 'configuration'))
+
+
 class InstancesTable(tables.DataTable):
     STATUS_CHOICES = (
         ("ACTIVE", True),
@@ -695,6 +706,7 @@ class InstancesTable(tables.DataTable):
         row_class = UpdateRow
         table_actions = (LaunchLink, DeleteInstance)
         row_actions = (CreateBackup,
+                       RenameInstance,
                        ResizeVolume,
                        ResizeInstance,
                        PromoteToReplicaSource,

trove_dashboard/content/databases/templates/databases/_rename_instance.html

@@ -0,0 +1,6 @@
+{% extends "horizon/common/_modal_form.html" %}
+{% load i18n %}
+
+{% block modal-body-right %}
+  <p>{% trans "Update instance name." %}</p>
+{% endblock %}

trove_dashboard/content/databases/templates/databases/rename_instance.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+
+{% block main %}
+  {% include "project/databases/_rename_instance.html" %}
+{% endblock %}

trove_dashboard/content/databases/urls.py

@@ -28,6 +28,8 @@ urlpatterns = [
     url(r'^$', views.IndexView.as_view(), name='index'),
     url(r'^launch$', views.LaunchInstanceView.as_view(), name='launch'),
     url(INSTANCES % '', views.DetailView.as_view(), name='detail'),
+    url(INSTANCES % 'edit_instance', views.RenameInstanceView.as_view(),
+        name='edit_instance'),
     url(INSTANCES % 'resize_volume', views.ResizeVolumeView.as_view(),
         name='resize_volume'),
     url(INSTANCES % 'resize_instance', views.ResizeInstanceView.as_view(),

trove_dashboard/content/databases/views.py

@@ -95,6 +95,41 @@ class LaunchInstanceView(horizon_workflows.WorkflowView):
         return initial
 
 
+class RenameInstanceView(horizon_forms.ModalFormView):
+    form_class = forms.RenameInstanceForm
+    form_id = "attach_config_form"
+    modal_header = _("Rename Instance")
+    modal_id = "edit_instance_modal"
+    template_name = "project/databases/rename_instance.html"
+    submit_label = "Update"
+    submit_url = 'horizon:project:databases:edit_instance'
+    success_url = reverse_lazy('horizon:project:databases:index')
+
+    @memoized.memoized_method
+    def get_object(self, *args, **kwargs):
+        instance_id = self.kwargs['instance_id']
+        try:
+            return api.trove.instance_get(self.request, instance_id)
+        except Exception:
+            msg = _('Unable to retrieve instance details.')
+            redirect = reverse('horizon:project:databases:index')
+            exceptions.handle(self.request, msg, redirect=redirect)
+
+    def get_context_data(self, **kwargs):
+        context = (super(RenameInstanceView, self)
+                   .get_context_data(**kwargs))
+        context['instance_id'] = self.kwargs['instance_id']
+        args = (self.kwargs['instance_id'],)
+        context['submit_url'] = reverse(self.submit_url, args=args)
+        return context
+
+    def get_initial(self):
+        instance = self.get_object()
+        return {'instance_id': self.kwargs['instance_id'],
+                'instance_name': instance.name,
+                'datastore_version': instance.datastore.get('version', '')}
+
+
 class DBAccess(object):
     def __init__(self, name, access):
         self.name = name