This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description
Django-Db-Snapshot
==================

What's that
-----------
Reusable Django app for fully automatic database snapshots.
We are using it for backup big databases (100GB+).
App can be run on several instances and managing from one place.


Installation
------------

1. Install backup server with LVM support. Install and configure ``mylvmbackup`` config file

.. code-block:: bash

$ apt-get install mylvmbackup
$ cp /etc/mylvmbackup.conf{,.bak}
$ cat > /etc/mylvmbackup.conf << END
[mysql]
user=root
password=123password123

socket=/var/run/mysqld/mysqld.sock

[lvm]
vgname=vg0
lvname=mysql
lvsize=2G
END

2. Install ``dbsnapshot`` using pip:

.. code-block:: bash

$ pip install django-db-snapshot

3. Add the ``dbsnapshot`` application to ``INSTALLED_APPS``
4. Configure django-celery on project settings

.. code-block:: bash

$ apt-get install redis-server
$ pip install django-celery

.. code-block:: python

INSTALLED_APPS += ('djcelery',)

BROKER_URL = 'redis://127.0.0.1:6379/1'
CELERYBEAT_SCHEDULER = 'djcelery.schedulers.DatabaseScheduler'

import djcelery
djcelery.setup_loader()


5. Sync database (``./manage.py syncdb`` or ``./manage.py migrate``)
6. Run internal dbsnapshot server (``./manage.py run_dbsnapshot_server``)
7. Restart Redis instance

.. code-block:: bash

$ /etc/init.d/redis-server restart

8. Add backup server and configure backup options on django admin interface (``/admin/dbsnapshot/server/``)
9. That's all. Enjoy.


Demo
----

.. code-block:: bash

$ apt-get install virtualenvwrapper redis-server
$ mkvirtualenv django-db-snapshot
$ git clone https://github.com/LPgenerator/django-db-snapshot
$ cd django-db-snapshot
$ python setup.py develop
$ cd demo
$ pip install -r requirements.txt
$ python manage.py syncdb
$ python manage.py migrate
$ redis-server >& /dev/null &
$ python manage.py runserver >& /dev/null &
$ xdg-open http://127.0.0.1:8000/admin/


Backup server configuration
---------------------------

.. code-block:: bash

$ sudo -i
$ cd /srv/
$ apt-get install python-mysqldb python-django python-pip supervisor
$ pip install django-db-snapshot
$ django-admin startproject dbback
$ cd dbback/
$ cat >> dbback/settings.py << END
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'mysql',
'USER': 'root',
'PASSWORD': '',
'HOST': 'localhost',
'PORT': 3306,
'TEST_COLLATION': 'utf8_general_ci',
}
}
INSTALLED_APPS += ('dbsnapshot',)
DBS_SERVER_HOST = '0.0.0.0'
DBS_SERVER_PORT = 61216
END
$ tail -12 dbback/settings.py
$ iptables -A INPUT -p tcp --dport 61216 -j ACCEPT
$ python manage.py run_dbsnapshot_server
$ cat > /etc/supervisor/conf.d/dbsnapshot.conf << END
[program:dbsnapshot_server]
command=/usr/bin/python /srv/dbback/manage.py run_dbsnapshot_server
user=root
numprocs=1
autostart=true
autorestart=true
stdout_logfile=/var/log/dbsnapshot.log
stderr_logfile=/var/log/dbsnapshot.err.log
startretries=25
END
$ /etc/init.d/supervisor restart
$ supervisorctl status


Screenshots
-----------
.. image:: /screenshots/server_change_list.jpg
.. image:: /screenshots/logs_chage_list.jpg


Compatibility:
-------------
* Python: 2.6, 2.7
* Django: 1.4.x, 1.5.x, 1.6.x
Release History

Release History

1.0.b

This version

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
django_db_snapshot-1.0.b-py2.py3-none-any.whl (18.4 kB) Copy SHA256 Checksum SHA256 2.7 Wheel Jul 3, 2014
django-db-snapshot-1.0.b.tar.gz (20.2 kB) Copy SHA256 Checksum SHA256 Source Jul 3, 2014

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