astakos: Add confirmation step in service-add

Since there is no way to delete a registered service, confirmation
is needed to register a service.

Add also a `--no-confirm' option to bypass this check in service-add
as well as in user-modify.

snf-astakos-app/astakos/im/management/commands/service-add.py

@@ -32,6 +32,7 @@
 # or implied, of GRNET S.A.
 
 from optparse import make_option
+import string
 
 from django.core.management.base import BaseCommand, CommandError
 from django.db.utils import IntegrityError
@@ -47,6 +48,11 @@ class Command(BaseCommand):
         make_option('--type',
                     dest='type',
                     help="Service type"),
+        make_option('-f', '--no-confirm',
+                    action='store_true',
+                    default=False,
+                    dest='force',
+                    help="Do not ask for confirmation"),
     )
 
     def handle(self, *args, **options):
@@ -57,8 +63,9 @@ class Command(BaseCommand):
         url = args[1]
         api_url = args[2]
         kwargs = dict(name=name, url=url, api_url=api_url)
-        if options['type']:
-            kwargs['type'] = options['type']
+        s_type = options['type']
+        if s_type:
+            kwargs['type'] = s_type
 
         try:
             s = Service.objects.get(name=name)
@@ -77,6 +84,18 @@ class Command(BaseCommand):
             m = "API URL '%s' is registered for another service." % api_url
             raise CommandError(m)
 
+        force = options['force']
+        if not force:
+            tp = (' of type %s' % s_type) if s_type else ''
+            self.stdout.write("Add service %s%s with:\n" % (name, tp))
+            self.stdout.write("service URL: %s\n" % url)
+            self.stdout.write("API URL: %s\n" % api_url)
+            self.stdout.write("Confirm? (y/n) ")
+            response = raw_input()
+            if string.lower(response) not in ['y', 'yes']:
+                self.stdout.write("Aborted.\n")
+                return
+
         try:
             s = Service.objects.create(**kwargs)
         except BaseException:

snf-astakos-app/astakos/im/management/commands/user-modify.py

@@ -135,7 +135,11 @@ class Command(BaseCommand):
                           "The special value 'default' sets the user base "
                           "quota to the default value.")
                     ),
-
+        make_option('-f', '--no-confirm',
+                    action='store_true',
+                    default=False,
+                    dest='force',
+                    help="Do not ask for confirmation"),
     )
 
     @commit_on_success_strict()
@@ -286,10 +290,12 @@ class Command(BaseCommand):
         if password:
             self.stdout.write('User\'s new password: %s\n' % password)
 
+        force = options['force']
+
         set_base_quota = options.get('set_base_quota')
         if set_base_quota is not None:
             resource, capacity = set_base_quota
-            self.set_limit(user, resource, capacity, False)
+            self.set_limit(user, resource, capacity, force)
 
     def set_limit(self, user, resource, capacity, force):
         style = None