127 lines
5.8 KiB
Python
127 lines
5.8 KiB
Python
import os
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import textwrap
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from optparse import make_option
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from orchestra.utils.paths import get_project_dir
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from orchestra.utils.python import random_ascii
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from orchestra.utils.sys import run, check_root
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class Command(BaseCommand):
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def __init__(self, *args, **kwargs):
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super(Command, self).__init__(*args, **kwargs)
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# Get defaults from settings, if exists
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try:
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defaults = settings.DATABASES['default']
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except (AttributeError, KeyError):
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defaults = {}
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else:
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if defaults['ENGINE'] != 'django.db.backends.postgresql_psycopg2':
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defaults = {}
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self.option_list = BaseCommand.option_list + (
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make_option('--db_name', dest='db_name',
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default=defaults.get('DB_NAME', 'orchestra'),
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help='Specifies the database to create.'),
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make_option('--db_user', dest='db_user',
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default=defaults.get('DB_USER', 'orchestra'),
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help='Specifies the database to create.'),
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make_option('--db_password', dest='db_password',
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default=defaults.get('PASSWORD'),
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help='Specifies the database password, random if not specified.'),
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make_option('--db_host', dest='db_host',
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default=defaults.get('HOST', 'localhost'),
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help='Specifies the database to create.'),
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make_option('--db_port', dest='db_port',
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default=defaults.get('PORT', '5432'),
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help='Specifies the database to create.'),
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make_option('--noinput', action='store_false', dest='interactive', default=True,
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help='Tells Django to NOT prompt the user for input of any kind. '
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'You must use --username with --noinput, and must contain the '
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'cleeryd process owner, which is the user how will perform tincd updates'),
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)
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option_list = BaseCommand.option_list
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help = 'Setup PostgreSQL database.'
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def run_postgres(self, cmd, *args, **kwargs):
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cmd = cmd.replace("'", "\\'")
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return run('su postgres -c "psql -c \\"%s\\""' % cmd, *args, **kwargs)
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def run_postgres2(self, cmd, *args, **kwargs):
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return run('echo su postgres -c "psql -c \\"%s\\""' % cmd, *args, **kwargs)
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@check_root
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def handle(self, *args, **options):
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interactive = options.get('interactive')
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db_password = options.get('db_password')
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context = {
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'db_name': options.get('db_name'),
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'db_user': options.get('db_user'),
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'db_password': db_password,
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'db_host': options.get('db_host'),
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'db_port': options.get('db_port'),
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'default_db_password': db_password or random_ascii(10),
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}
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create_user = "CREATE USER %(db_user)s PASSWORD '%(db_password)s';"
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alter_user = "ALTER USER %(db_user)s WITH PASSWORD '%(db_password)s';"
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create_database = "CREATE DATABASE %(db_name)s OWNER %(db_user)s;"
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# Create or update user
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if self.run_postgres(create_user % context, valid_codes=(0,1)).exit_code == 1:
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if interactive and not options.get('db_password'):
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msg = ("Postgres user '%(db_user)s' already exists, "
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"please provide a password [%(default_db_password)s]: " % context)
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context['db_password'] = input(msg) or context['default_db_password']
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self.run_postgres2(alter_user % context)
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elif options.get('db_password'):
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self.run_postgres2(alter_user % context)
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else:
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raise CommandError("Postgres user '%(db_user)s' already exists and "
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"--db_pass has not been provided." % context)
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self.run_postgres2(create_database % context)
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# run(textwrap.dedent("""\
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# su postgres -c "psql -c \\"CREATE USER %(db_user)s PASSWORD '%(db_password)s';\\"" || {
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# su postgres -c "psql -c \\"ALTER USER %(db_user)s WITH PASSWORD '%(db_password)s';\\""
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# }
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# su postgres -c "psql -c \\"CREATE DATABASE %(db_name)s OWNER %(db_user)s;\\""\
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# """) % context, valid_codes=(0,1)
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# )
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context.update({
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'settings': os.path.join(get_project_dir(), 'settings.py')
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})
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if run("grep '^DATABASES\s*=\s*{' %(settings)s" % context, valid_codes=(0,1)).exit_code == 0:
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# Update existing settings_file
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run(textwrap.dedent("""sed -i \\
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-e "s/'ENGINE':[^#]*/'ENGINE': 'django.db.backends.postgresql_psycopg2', /" \\
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-e "s/'NAME':[^#]*/'NAME': '%(db_name)s', /" \\
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-e "s/'USER':[^#]*/'USER': '%(db_user)s', /" \\
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-e "s/'PASSWORD':[^#]*/'PASSWORD': '%(db_password)s', /" \\
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-e "s/'HOST':[^#]*/'HOST': '%(db_host)s', /" \\
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-e "s/'PORT':[^#]*/'PORT': '%(db_port)s', /" %(settings)s\
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""") % context
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)
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else:
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db_config = textwrap.dedent("""\
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.postgresql_psycopg2',
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'NAME': '%(db_name)s',
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'USER': '%(db_user)s',
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'PASSWORD': '%(db_password)s',
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'HOST': '%(db_host)s',
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'PORT': '%(db_port)s',
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'ATOMIC_REQUESTS': True,
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}
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}""") % context
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context.update({
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'db_config': db_config
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})
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run('echo "%(db_config)s" >> %(settings)s' % context)
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