Add datacenterlight app

datacenterlight/management/commands/deleteuser.py

@@ -0,0 +1,141 @@
+import logging
+import sys
+import uuid
+
+import oca
+import stripe
+from django.core.management.base import BaseCommand
+
+from hosting.models import (
+    UserCardDetail, UserHostingKey
+)
+from membership.models import CustomUser, DeletedUser
+from opennebula_api.opennebula_manager import OpenNebulaManager
+
+logger = logging.getLogger(__name__)
+
+
+def query_yes_no(question, default="yes"):
+    """Ask a yes/no question via raw_input() and return their answer.
+
+    "question" is a string that is presented to the user.
+    "default" is the presumed answer if the user just hits <Enter>.
+        It must be "yes" (the default), "no" or None (meaning
+        an answer is required of the user).
+
+    The "answer" return value is True for "yes" or False for "no".
+    """
+    valid = {"yes": True, "y": True, "ye": True,
+             "no": False, "n": False}
+    if default is None:
+        prompt = " [y/n] "
+    elif default == "yes":
+        prompt = " [Y/n] "
+    elif default == "no":
+        prompt = " [y/N] "
+    else:
+        raise ValueError("invalid default answer: '%s'" % default)
+
+    while True:
+        sys.stdout.write(question + prompt)
+        choice = input().lower()
+        if default is not None and choice == '':
+            return valid[default]
+        elif choice in valid:
+            return valid[choice]
+        else:
+            sys.stdout.write("Please respond with 'yes' or 'no' "
+                             "(or 'y' or 'n').\n")
+
+
+class Command(BaseCommand):
+    help = '''Deletes all resources of the user from the project'''
+
+    def add_arguments(self, parser):
+        parser.add_argument('customer_email', nargs='+', type=str)
+
+    def handle(self, *args, **options):
+        try:
+            for email in options['customer_email']:
+                r = query_yes_no("Are you sure you want to delete {} ?".format(
+                    email, None
+                ))
+                if r:
+                    logger.debug("Deleting user {}".format(email))
+                    # Get stripe customer instance and delete the customer
+                    try:
+                        cus_user = CustomUser.objects.get(email=email)
+                    except CustomUser.DoesNotExist as dne:
+                        logger.error("CustomUser with email {} does "
+                                     "not exist".format(email))
+                        sys.exit(1)
+                    stripe_customer = cus_user.stripecustomer
+                    c = stripe.Customer.retrieve(
+                        stripe_customer.stripe_id
+                    )
+                    cus_delete_obj = c.delete()
+                    if cus_delete_obj.deleted:
+                        logger.debug(
+                            "StripeCustomer {} associated with {} deleted"
+                            "".format(stripe_customer.stripe_id, email)
+                        )
+                    else:
+                        logger.error("Error while deleting the StripeCustomer")
+
+                    # delete UserCardDetail
+                    ucds = UserCardDetail.objects.filter(
+                        stripe_customer=stripe_customer
+                    )
+                    for ucd in ucds:
+                        if ucd is not None:
+                            logger.debug(
+                                "User Card Detail {} associated with {} deleted"
+                                "".format(ucd.id, email)
+                            )
+                            ucd.delete()
+                        else:
+                            logger.error(
+                                "Error while deleting the User Card Detail")
+
+                    # delete UserHostingKey
+                    uhks = UserHostingKey.objects.filter(
+                        user=cus_user
+                    )
+                    for uhk in uhks:
+                        uhk.delete()
+
+                    # delete stripe customer
+                    stripe_customer.delete()
+
+                    # add user to deleteduser
+                    DeletedUser.objects.create(
+                        email=cus_user.email, name=cus_user.name,
+                        user_id = cus_user.id
+                    )
+
+                    # reset CustomUser
+                    cus_user.email = str(uuid.uuid4())
+                    cus_user.validated = 0
+                    cus_user.save()
+
+                    # remove user from OpenNebula
+                    manager = OpenNebulaManager()
+                    user_pool = manager._get_user_pool()
+                    on_user = user_pool.get_by_name(email)
+                    if on_user.id > 0:
+                        logger.debug(
+                            "Deleting user {} => ID={} from opennebula".format(
+                                email, on_user.id)
+                        )
+                        manager.oneadmin_client.call(
+                            oca.User.METHODS['delete'], on_user.id
+                        )
+                    else:
+                        logger.error(
+                            "User not found with email {}. "
+                            "Not doing anything".format(email)
+                        )
+
+                    logger.debug("Deleted {} SUCCESSFULLY.".format(email))
+        except Exception as e:
+            print(" *** Error occurred. Details {}".format(str(e)))