epcstages/scripts/fabfile.py

73 lines
2.4 KiB
Python

import os
import sys
from fabric import task
from invoke import Context, Exit
APP_DIR = '/var/www/epcstages'
VIRTUALENV_DIR = '/var/virtualenvs/stages/bin/activate'
"""Read settings from Django settings"""
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from common import settings
MAIN_HOST = settings.FABRIC_HOST
@task(hosts=[MAIN_HOST])
def clone_remote_db(conn):
"""
Copy remote data (JSON dump), download it locally and recreate a local
SQLite database with those data.
"""
local = Context()
db_name = settings.DATABASES['default']['NAME']
is_sqlite = 'sqlite' in settings.DATABASES['default']['ENGINE']
def exist_local_db():
if is_sqlite:
return os.path.exists(db_name)
else: # Assume postgres
db_list = local.run('psql --list', capture=True)
return (' ' + db_name + ' ') in db_list
if exist_local_db():
rep = input('A local database named "%s" already exists. Overwrite? (y/n)' % db_name)
if rep == 'y':
if is_sqlite:
os.remove(settings.DATABASES['default']['NAME'])
else:
local.run('''sudo -u postgres psql -c "DROP DATABASE %(db)s;"''' % {'db': db_name})
else:
raise Exit("Database not copied")
# Dump remote data and download the file
with conn.cd(APP_DIR):
with conn.prefix('source %s' % VIRTUALENV_DIR):
conn.run('python manage.py dumpdata --natural-foreign --indent 1 -e auth.Permission auth stages candidats > epcstages.json')
conn.get('epcstages.json', '.')
if not is_sqlite:
local.run(
'''sudo -u postgres psql -c "CREATE DATABASE %(db)s OWNER=%(owner)s;"''' % {
'db': db_name, 'owner': settings.DATABASES['default']['USER']
}
)
# Recreate a fresh DB with downloaded data
local.run("python ../manage.py migrate")
local.run("python ../manage.py flush --noinput")
local.run("python ../manage.py loaddata epcstages.json")
@task(hosts=[MAIN_HOST])
def deploy(conn):
"""
Deploy project with latest Github code
"""
with conn.cd(APP_DIR):
conn.run("git pull")
with conn.prefix('source %s' % VIRTUALENV_DIR):
conn.run("python manage.py migrate")
conn.run("python manage.py collectstatic --noinput")
conn.run("touch common/wsgi.py")