0003-add-management-command-configure_connection.patch
tests/test_configure_connection.py | ||
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import os |
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import psycopg2 |
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import pytest |
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import random |
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from django.core.management import get_commands |
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from django.core.management import call_command |
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from django.core.management.base import CommandError |
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from utilities import clean_temporary_pub |
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from utilities import create_temporary_pub |
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from utilities import force_connections_close |
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from wcs.sql import cleanup_connection |
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@pytest.fixture(scope='module') |
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def cursor(): |
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conn = psycopg2.connect(user=os.environ['USER']) |
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conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT) |
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cur = conn.cursor() |
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yield cur |
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cur.close() |
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@pytest.fixture |
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def database(cursor): |
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dbname = 'wcstests%d' % random.randint(0, 100000) |
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cursor.execute('CREATE DATABASE %s' % dbname) |
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yield dbname |
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cleanup_connection() |
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cursor.execute('DROP DATABASE %s' % dbname) |
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@pytest.fixture(params=['pickle', 'sql']) |
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def pub(request): |
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pub = create_temporary_pub(sql_mode=(request.param == 'sql')) |
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yield pub |
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cleanup_connection() |
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force_connections_close() |
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clean_temporary_pub() |
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def test_command_exists(): |
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assert 'configure_connection' in get_commands() |
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def test_unknown_publisher(): |
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with pytest.raises(CommandError) as excinfo: |
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call_command('configure_connection', '-d', 'unknown.net', |
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'--database', 'foobar') |
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assert excinfo.value.message == 'unknown tenant' |
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def test_failing_connection(pub): |
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with pytest.raises(psycopg2.OperationalError) as excinfo: |
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call_command('configure_connection', '-d', 'example.net', |
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'--database', 'foobar', '--port', '666') |
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assert 'could not connect' in excinfo.value.message |
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def test_database_does_not_exist(pub): |
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new_database = 'test_{}'.format(random.randint(1000, 9999)) |
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with pytest.raises(psycopg2.OperationalError) as excinfo: |
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call_command('configure_connection', '-d', 'example.net', |
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'--database', new_database) |
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assert 'does not exist' in excinfo.value.message |
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def test_setup_database(pub, database): |
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call_command('configure_connection', '-d', 'example.net', |
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'--database', database) |
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pub.set_config() |
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assert pub.cfg['postgresql'].get('database') == database |
wcs/ctl/management/commands/__init__.py | ||
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import os |
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from django.core.management.base import BaseCommand, CommandError |
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from qommon.publisher import get_publisher_class |
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class WcsTenantCommand(BaseCommand): |
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def create_parser(self, *args): |
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parser = super(WcsTenantCommand, self).create_parser(*args) |
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parser.add_argument('-d', '--domain', required=True) |
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return parser |
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def execute(self, *args, **kwargs): |
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self.publisher = self.get_publisher(kwargs['domain']) |
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super(WcsTenantCommand, self).execute(*args, **kwargs) |
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def get_publisher(self, domain): |
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publisher_class = get_publisher_class() |
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publisher = publisher_class.create_publisher() |
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if domain not in publisher.get_tenants(): |
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raise CommandError('unknown tenant') |
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publisher.app_dir = os.path.join(publisher.app_dir, domain) |
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publisher.set_config() |
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return publisher |
wcs/ctl/management/commands/configure_connection.py | ||
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import os |
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from wcs.ctl.management.commands import WcsTenantCommand |
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from wcs.sql import get_connection |
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from psycopg2 import OperationalError |
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class Command(WcsTenantCommand): |
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help = 'Configure postgresql connection parameters.' |
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def add_arguments(self, parser): |
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parser.add_argument('--host') |
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parser.add_argument('--port', type=int) |
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parser.add_argument('--database', required=True) |
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parser.add_argument('--user') |
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parser.add_argument('--password') |
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parser.add_argument('-f', '--force') |
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def handle(self, **kwargs): |
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self.setup_connection(**kwargs) |
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self.publisher.write_cfg() |
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self.publisher.load_site_options() |
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self.enable() |
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self.publisher.cleanup() |
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def enable(self): |
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if not self.publisher.site_options.has_option('options', 'postgresql'): |
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self.publisher.site_options.set('options', 'postgresql', 'true') |
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options_file = os.path.join(self.publisher.app_dir, |
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'site-options.cfg') |
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self.publisher.site_options.write(open(options_file, 'w')) |
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def setup_connection(self, **kwargs): |
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options = {} |
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for k in ['host', 'port', 'database', 'user', 'password']: |
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if k in kwargs: |
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options[k] = kwargs.get(k) |
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self.publisher.cfg['postgresql'] = options |
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if not kwargs.get('force'): |
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conn = self.test_connection() |
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if isinstance(conn, OperationalError): |
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raise(conn) |
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def test_connection(self): |
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try: |
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return get_connection(new=True) |
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except OperationalError as e: |
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return e |
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