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First draft of Openshift django application with PostgreSQL backend

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1 parent b499226 commit fa98cabdbb75b32ab8fc7ac5e6bb184998095346 @drivard committed Mar 24, 2012
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69 README.md
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+Django on OpenShift Express
+============================
+
+This git repository helps you get up and running quickly w/ a Django installation
+on OpenShift Express. The Django project name used in this repo is 'openshift'
+but you can feel free to change it. Now the backend is PostgreSQL.
+
+When you push this application up for the first time, the sqlite database is
+copied from wsgi/openshift/sqlite3.db. This is the stock database that is created
+when 'python manage.py syncdb' is run with only the admin app installed.
+
+You can delete the database from your git repo after the first push (you probably
+should for security). On subsequent pushes, a 'python manage.py syncdb' is
+executed to make sure that any models you added are created in the DB. If you
+do anything that requires an alter table, you could add the alter statements
+in GIT_ROOT/.openshift/action_hooks/alter.sql and then use
+GIT_ROOT/.openshift/action_hooks/deploy to execute that script (make sure to
+back up your database w/ 'rhc app snapshot save' first :) )
+
+
+Running on OpenShift
+----------------------------
+
+Create an account at http://openshift.redhat.com/
+
+Create a python-2.6 application
+
+ rhc app create -a django -t python-2.6
+
+Add PostgreSQL Database service
+
+ rhc-ctl-app -a django -e add-postgresql-8.4
+
+Add this upstream seambooking repo
+
+ cd django
+ git remote add upstream -m master git@github.com:drivard/openshift-django-postgresql.git
+ git pull -s recursive -X theirs upstream master
+
+Then push the repo upstream
+
+ git push
+
+Create the Django admin user
+
+Find your openshift app UUID
+
+ rhc domain
+
+Connect through ssh to your app
+
+ ssh $uuid@django-$yournamespace.rhcloud.com
+
+Get in the app directory
+
+ cd django/repo/wsgi/openshift
+
+Export the python egg cache directory
+
+ export PYTHON_EGG_CACHE=$OPENSHIFT_APP_DIR/virtenv/lib/python-2.6
+
+Create the admin user
+
+ ../../../../virtenv/bin/python ./manage.py createsuperuser
+
+That's it, you can now checkout your application at (Using the user you just created.):
+
+ http://django-$yournamespace.rhcloud.com
+
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0 data/.gitkeep
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0 libs/.gitkeep
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13 setup.py
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+#!/usr/bin/env python
+
+from setuptools import setup
+
+setup(
+ name='YourAppName',
+ version='1.0',
+ description='OpenShift App',
+ author='Your Name',
+ author_email='example@example.com',
+ url='http://www.python.org/sigs/distutils-sig/',
+ install_requires=['Django>=1.3','psycopg2'],
+)
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17 wsgi/application
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+#!/usr/bin/env python
+
+import os
+import sys
+
+os.environ['DJANGO_SETTINGS_MODULE'] = 'openshift.settings'
+sys.path.append(os.path.join(os.environ['OPENSHIFT_REPO_DIR'], 'wsgi', 'openshift'))
+virtenv = os.environ['APPDIR'] + '/virtenv/'
+os.environ['PYTHON_EGG_CACHE'] = os.path.join(virtenv, 'lib/python2.6/site-packages')
+virtualenv = os.path.join(virtenv, 'bin/activate_this.py')
+try:
+ execfile(virtualenv, dict(__file__=virtualenv))
+except:
+ pass
+
+import django.core.handlers.wsgi
+application = django.core.handlers.wsgi.WSGIHandler()
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0 wsgi/openshift/__init__.py
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14 wsgi/openshift/manage.py
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+#!/usr/bin/env python
+from django.core.management import execute_manager
+import imp
+try:
+ imp.find_module('settings') # Assumed to be in the same directory.
+except ImportError:
+ import sys
+ sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. It appears you've customized things.\nYou'll have to run django-admin.py, passing it your settings module.\n" % __file__)
+ sys.exit(1)
+
+import settings
+
+if __name__ == "__main__":
+ execute_manager(settings)
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178 wsgi/openshift/settings.py
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+# -*- coding: utf-8 -*-
+# Django settings for openshift project.
+import os
+
+# a setting to determine whether we are running on OpenShift
+ON_OPENSHIFT = False
+if os.environ.has_key('OPENSHIFT_REPO_DIR'):
+ ON_OPENSHIFT = True
+if os.environ.has_key('OPENSHIFT_APP_NAME'):
+ DB_NAME = os.environ['OPENSHIFT_APP_NAME']
+if os.environ.has_key('OPENSHIFT_DB_USERNAME'):
+ DB_USER = os.environ['OPENSHIFT_DB_USERNAME']
+if os.environ.has_key('OPENSHIFT_DB_PASSWORD'):
+ DB_PASSWD = os.environ['OPENSHIFT_DB_PASSWORD']
+if os.environ.has_key('OPENSHIFT_DB_HOST'):
+ DB_HOST = os.environ['OPENSHIFT_DB_HOST']
+if os.environ.has_key('OPENSHIFT_DB_PORT'):
+ DB_PORT = os.environ['OPENSHIFT_DB_PORT']
+
+PROJECT_DIR = os.path.dirname(os.path.realpath(__file__))
+
+DEBUG = True
+TEMPLATE_DEBUG = DEBUG
+
+ADMINS = (
+ # ('Your Name', 'your_email@example.com'),
+)
+MANAGERS = ADMINS
+
+if ON_OPENSHIFT:
+ # os.environ['OPENSHIFT_DB_*'] variables can be used with databases created
+ # with rhc app cartridge add (see /README in this git repo)
+ DATABASES = {
+ 'default': {
+ 'ENGINE': 'django.db.backends.postgresql_psycopg2', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
+ 'NAME': DB_NAME, # Or path to database file if using sqlite3.
+ 'USER': DB_USER, # Not used with sqlite3.
+ 'PASSWORD': DB_PASSWD, # Not used with sqlite3.
+ 'HOST': DB_HOST, # Set to empty string for localhost. Not used with sqlite3.
+ 'PORT': DB_PORT, # Set to empty string for default. Not used with sqlite3.
+ }
+ }
+else:
+ DATABASES = {
+ 'default': {
+ 'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
+ 'NAME': os.path.join(PROJECT_DIR, 'sqlite3.db'), # Or path to database file if using sqlite3.
+ 'USER': '', # Not used with sqlite3.
+ 'PASSWORD': '', # Not used with sqlite3.
+ 'HOST': '', # Set to empty string for localhost. Not used with sqlite3.
+ 'PORT': '', # Set to empty string for default. Not used with sqlite3.
+ }
+ }
+
+# Local time zone for this installation. Choices can be found here:
+# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+# although not all choices may be available on all operating systems.
+# On Unix systems, a value of None will cause Django to use the same
+# timezone as the operating system.
+# If running in a Windows environment this must be set to the same as your
+# system time zone.
+TIME_ZONE = 'America/Chicago'
+
+# Language code for this installation. All choices can be found here:
+# http://www.i18nguy.com/unicode/language-identifiers.html
+LANGUAGE_CODE = 'en-us'
+
+SITE_ID = 1
+
+# If you set this to False, Django will make some optimizations so as not
+# to load the internationalization machinery.
+USE_I18N = True
+
+# If you set this to False, Django will not format dates, numbers and
+# calendars according to the current locale
+USE_L10N = True
+
+# Absolute filesystem path to the directory that will hold user-uploaded files.
+# Example: "/home/media/media.lawrence.com/media/"
+MEDIA_ROOT = os.environ.get('OPENSHIFT_DATA_DIR', '')
+
+# URL that handles the media served from MEDIA_ROOT. Make sure to use a
+# trailing slash.
+# Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
+MEDIA_URL = ''
+
+# Absolute path to the directory static files should be collected to.
+# Don't put anything in this directory yourself; store your static files
+# in apps' "static/" subdirectories and in STATICFILES_DIRS.
+# Example: "/home/media/media.lawrence.com/static/"
+STATIC_ROOT = os.path.join(PROJECT_DIR, '..', 'static')
+
+# URL prefix for static files.
+# Example: "http://media.lawrence.com/static/"
+STATIC_URL = '/static/'
+
+# URL prefix for admin static files -- CSS, JavaScript and images.
+# Make sure to use a trailing slash.
+# Examples: "http://foo.com/static/admin/", "/static/admin/".
+ADMIN_MEDIA_PREFIX = '/static/admin/'
+
+# Additional locations of static files
+STATICFILES_DIRS = (
+ # Put strings here, like "/home/html/static" or "C:/www/django/static".
+ # Always use forward slashes, even on Windows.
+ # Don't forget to use absolute paths, not relative paths.
+)
+
+# List of finder classes that know how to find static files in
+# various locations.
+STATICFILES_FINDERS = (
+ 'django.contrib.staticfiles.finders.FileSystemFinder',
+ 'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+ #'django.contrib.staticfiles.finders.DefaultStorageFinder',
+)
+
+# Make this unique, and don't share it with anybody.
+SECRET_KEY = 'vm4rl5*ymb@2&d_(gc$gb-^twq9w(u69hi--%$5xrh!xk(t%hw'
+
+# List of callables that know how to import templates from various sources.
+TEMPLATE_LOADERS = (
+ 'django.template.loaders.filesystem.Loader',
+ 'django.template.loaders.app_directories.Loader',
+ #'django.template.loaders.eggs.Loader',
+)
+
+MIDDLEWARE_CLASSES = (
+ 'django.middleware.common.CommonMiddleware',
+ 'django.contrib.sessions.middleware.SessionMiddleware',
+ 'django.middleware.csrf.CsrfViewMiddleware',
+ 'django.contrib.auth.middleware.AuthenticationMiddleware',
+ 'django.contrib.messages.middleware.MessageMiddleware',
+)
+
+ROOT_URLCONF = 'openshift.urls'
+
+TEMPLATE_DIRS = (
+ # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
+ # Always use forward slashes, even on Windows.
+ # Don't forget to use absolute paths, not relative paths.
+ os.path.join(PROJECT_DIR, 'templates'),
+)
+
+INSTALLED_APPS = (
+ 'django.contrib.auth',
+ 'django.contrib.contenttypes',
+ 'django.contrib.sessions',
+ 'django.contrib.sites',
+ 'django.contrib.messages',
+ 'django.contrib.staticfiles',
+ # Uncomment the next line to enable the admin:
+ 'django.contrib.admin',
+ # Uncomment the next line to enable admin documentation:
+ # 'django.contrib.admindocs',
+)
+
+# A sample logging configuration. The only tangible logging
+# performed by this configuration is to send an email to
+# the site admins on every HTTP 500 error.
+# See http://docs.djangoproject.com/en/dev/topics/logging for
+# more details on how to customize your logging configuration.
+LOGGING = {
+ 'version': 1,
+ 'disable_existing_loggers': False,
+ 'handlers': {
+ 'mail_admins': {
+ 'level': 'ERROR',
+ 'class': 'django.utils.log.AdminEmailHandler'
+ }
+ },
+ 'loggers': {
+ 'django.request': {
+ 'handlers': ['mail_admins'],
+ 'level': 'ERROR',
+ 'propagate': True,
+ },
+ }
+}
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5 wsgi/openshift/templates/home/home.html
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+<b>
+Yeah Django!
+<b>
+<br />
+let's <a href="/admin">admin </a>
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17 wsgi/openshift/urls.py
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+from django.conf.urls.defaults import patterns, include, url
+
+# Uncomment the next two lines to enable the admin:
+from django.contrib import admin
+admin.autodiscover()
+
+urlpatterns = patterns('',
+ # Examples:
+ url(r'^$', 'openshift.views.home', name='home'),
+ # url(r'^openshift/', include('openshift.foo.urls')),
+
+ # Uncomment the admin/doc line below to enable admin documentation:
+ # url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
+
+ # Uncomment the next line to enable the admin:
+ url(r'^admin/', include(admin.site.urls)),
+)
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5 wsgi/openshift/views.py
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+import os
+from django.shortcuts import render_to_response
+
+def home(request):
+ return render_to_response('home/home.html')
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12 wsgi/static/README
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+Public, static content goes here. Users can create rewrite rules to link to
+content in the static dir. For example, django commonly uses /media/
+directories for static content. For example in a .htaccess file in a
+wsgi/.htaccess location, developers could put:
+
+RewriteEngine On
+RewriteRule ^application/media/(.+)$ /static/media/$1 [L]
+
+Then copy the media/* content to yourapp/wsgi/static/media/ and it should
+just work.
+
+Note: The ^application/ part of the URI match is required.

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