add scale down

django_code/apps/cloudmanager/admin.py

@@ -1,7 +1,7 @@
 from django.contrib import admin,messages
 from django.utils.translation import ngettext
 from .models import Machine_Data,Schedule_Day_Data,Schedule_Week_Data
-from apps.kubernetes_connection.utils import scale_up
+from apps.kubernetes_connection.utils import scale_up,scale_down
 # Register your models here.
 
 DB = 'cloudmanager_db'
@@ -11,7 +11,32 @@ DB = 'cloudmanager_db'
 def scale_up_deploy(modeladmin, request, queryset):
     for query in queryset.values():
         scale_up(namespace_name=query['namespace'],deploy_name=query['name'],replicas=query['replicas'])
-        
+    modeladmin.message_user(
+        request,
+        ngettext(
+            "%d server was successfully scaled up.",
+            "%d servers were successfully scaled up.",
+            queryset.values().count(),
+        )
+        % queryset.values().count(),
+        messages.SUCCESS,
+        )
+
+
+@admin.action(description="scale down")
+def scale_down_deploy(modeladmin, request, queryset):
+    for query in queryset.values():
+        scale_down(namespace_name=query['namespace'],deploy_name=query['name'])
+    modeladmin.message_user(
+        request,
+        ngettext(
+            "%d server was successfully scaled down.",
+            "%d servers were successfully scaled down.",
+            queryset.values().count(),
+        )
+        % queryset.values().count(),
+        messages.SUCCESS,
+        )
 
 class ActiveAtHourFilter(admin.SimpleListFilter):
     title = 'Active at hour'
@@ -48,7 +73,7 @@ class MultiDBModelAdmin(admin.ModelAdmin):
 class MachineDataAdmin(MultiDBModelAdmin):
     list_display = ('name', 'namespace', 'schedule_week', 'schedule_day', 'replicas')
     list_filter = (ActiveAtHourFilter,)
-    actions = [scale_up_deploy]
+    actions = [scale_up_deploy,scale_down_deploy]
 
 
 @admin.register(Schedule_Day_Data)