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0001_createsuperuser.py
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0001_createsuperuser.py
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# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# [START cloudrun_django_superuser]
import os
from django.contrib.auth.models import User
from django.db import migrations
from django.db.backends.postgresql.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
import google.auth
from google.cloud import secretmanager
def createsuperuser(apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
"""
Dynamically create an admin user as part of a migration
Password is pulled from Secret Manger (previously created as part of tutorial)
"""
if os.getenv("TRAMPOLINE_CI", None):
# We are in CI, so just create a placeholder user for unit testing.
admin_password = "test"
else:
client = secretmanager.SecretManagerServiceClient()
# Get project value for identifying current context
_, project = google.auth.default()
# Retrieve the previously stored admin password
PASSWORD_NAME = os.environ.get("PASSWORD_NAME", "superuser_password")
name = f"projects/{project}/secrets/{PASSWORD_NAME}/versions/latest"
admin_password = client.access_secret_version(name=name).payload.data.decode(
"UTF-8"
)
# Create a new user using acquired password, stripping any accidentally stored newline characters
User.objects.create_superuser("admin", password=admin_password.strip())
class Migration(migrations.Migration):
initial = True
dependencies = []
operations = [migrations.RunPython(createsuperuser)]
# [END cloudrun_django_superuser]