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| import datetime | |
| import subprocess | |
| from django.conf import settings | |
| from django.core.management.base import BaseCommand | |
| from boto.s3.connection import S3Connection | |
| from boto.s3.key import Key | |
| class Command(BaseCommand): | |
| help = "Backs up the database and uploads it to S3" | |
| def handle(self, *app_labels, **options): | |
| filename = '%s.dump' % (datetime.date.today(),) | |
| filepath = '/tmp/%s' % (filename,) | |
| old_filename = '%s.dump' % ( | |
| datetime.date.today() - datetime.timedelta(days=7),) | |
| cmd = [ | |
| 'pg_dump', | |
| '-h', | |
| settings.DATABASE_HOST, | |
| '-p', | |
| settings.DATABASE_PORT, | |
| '-c', | |
| '-Fc', | |
| '-Z9', | |
| settings.DATABASE_NAME, | |
| ] | |
| with open(filepath, 'w') as f: | |
| with open(filepath + '.err', 'w') as err_f: | |
| proc = subprocess.Popen(cmd, stdout=f, stderr=err_f) | |
| proc.wait() | |
| conn = S3Connection(settings.AWS_ACCESS_KEY_ID, | |
| settings.AWS_SECRET_ACCESS_KEY) | |
| bucket_name = settings.AWS_STORAGE_BUCKET_NAME + '-db' | |
| bucket = conn.get_bucket(bucket_name) | |
| k = Key(bucket) | |
| k.key = filename | |
| k.set_contents_from_filename(filepath) | |
| # Delete the week old backup | |
| try: | |
| old = Key(bucket) | |
| old.key = old_filename | |
| old.delete() | |
| except (KeyboardInterrupt, SystemExit): | |
| raise | |
| except: | |
| pass |
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