Enabled the "save as" button in the admin for the Container objects to allow...

Enabled the "save as" button in the admin for the Container objects to allow easily duplicate them. Fixed a bug in the populate. Minor fix.

services/webapp/code/rosetta/core_app/admin.py

@@ -2,10 +2,14 @@ from django.contrib import admin
 
 from .models import Profile, LoginToken, Task, Container, Computing, Storage, KeyPair, Page
 
+# Define a extra "ModelAdmin" for the Container model to allow "save as" to easily duplicate containers
+class ContainerForAdmin(admin.ModelAdmin):
+    save_as = True
+
 admin.site.register(Profile)
 admin.site.register(LoginToken)
 admin.site.register(Task)
-admin.site.register(Container)
+admin.site.register(Container, ContainerForAdmin)
 admin.site.register(Computing)
 admin.site.register(Storage)
 admin.site.register(KeyPair)

services/webapp/code/rosetta/core_app/models.py

@@ -157,8 +157,9 @@ class Container(models.Model):
 
     @property
     def family_id(self):
-        return base64.b64encode('{}\t{}\t{}'.format(self.name, self.registry, self.image_name).encode('utf8')).decode('utf8')
-
+        id_as_str = '{}\t{}\t{}'.format(self.name, self.registry, self.image_name)
+        id_as_base64_str = base64.b64encode(id_as_str.encode('utf8')).decode('utf8')
+        return id_as_base64_str
 
     @property
     def color(self):