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# Copyright DataStax, Inc.
#
# Licensed under the DataStax DSE Driver License;
# you may not use this file except in compliance with the License.
#
# You may obtain a copy of the License at
#
# http://www.datastax.com/terms/datastax-dse-driver-license-terms
import tempfile
import os
import shutil
import unittest
from unittest.mock import patch
from cassandra import DriverException
from cassandra.datastax import cloud
from tests import notwindows
class CloudTests(unittest.TestCase):
current_path = os.path.dirname(os.path.abspath(__file__))
creds_path = os.path.join(current_path, './creds.zip')
config_zip = {
'secure_connect_bundle': creds_path
}
metadata_json = """
{"region":"local",
"contact_info": {
"type":"sni_proxy",
"local_dc":"dc1",
"contact_points":[
"b13ae7b4-e711-4660-8dd1-bec57d37aa64",
"d4330144-5fb3-425a-86a1-431b3e4d0671",
"86537b87-91a9-4c59-b715-716486e72c42"
],
"sni_proxy_address":"localhost:30002"
}
}"""
@staticmethod
def _read_metadata_info_side_effect(config, _):
return config
def _check_config(self, config):
self.assertEqual(config.username, 'cassandra')
self.assertEqual(config.password, 'cassandra')
self.assertEqual(config.host, 'localhost')
self.assertEqual(config.port, 30443)
self.assertEqual(config.keyspace, 'system')
self.assertEqual(config.local_dc, None)
self.assertIsNotNone(config.ssl_context)
self.assertIsNone(config.sni_host)
self.assertIsNone(config.sni_port)
self.assertIsNone(config.host_ids)
def test_read_cloud_config_from_zip(self):
with patch('cassandra.datastax.cloud.read_metadata_info', side_effect=self._read_metadata_info_side_effect):
config = cloud.get_cloud_config(self.config_zip)
self._check_config(config)
def test_parse_metadata_info(self):
config = cloud.CloudConfig()
cloud.parse_metadata_info(config, self.metadata_json)
self.assertEqual(config.sni_host, 'localhost')
self.assertEqual(config.sni_port, 30002)
self.assertEqual(config.local_dc, 'dc1')
host_ids = [
"b13ae7b4-e711-4660-8dd1-bec57d37aa64",
"d4330144-5fb3-425a-86a1-431b3e4d0671",
"86537b87-91a9-4c59-b715-716486e72c42"
]
for host_id in host_ids:
self.assertIn(host_id, config.host_ids)
@notwindows
def test_use_default_tempdir(self):
tmpdir = tempfile.mkdtemp()
def clean_tmp_dir():
os.chmod(tmpdir, 0o777)
shutil.rmtree(tmpdir)
self.addCleanup(clean_tmp_dir)
tmp_creds_path = os.path.join(tmpdir, 'creds.zip')
shutil.copyfile(self.creds_path, tmp_creds_path)
os.chmod(tmpdir, 0o544)
config = {
'secure_connect_bundle': tmp_creds_path
}
# The directory is not writtable.. we expect a permission error
with self.assertRaises(PermissionError):
cloud.get_cloud_config(config)
# With use_default_tempdir, we expect an connection refused
# since the cluster doesn't exist
with self.assertRaises(DriverException):
config = {
'secure_connect_bundle': tmp_creds_path,
'use_default_tempdir': True
}
cloud.get_cloud_config(config)
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