Files
zaza-openstack-tests/zaza/openstack/charm_tests/vault/tests.py
David Ames e5d2acc88c Fix test_vault_reload race condition
The test_vault_reload test was checking for running config without giving the
config-change time to complete. Simply adding an idle wait resolves the issue.

Closes Issue: #528
2021-03-26 16:58:08 +00:00

327 lines
12 KiB
Python

#!/usr/bin/env python3
# Copyright 2018 Canonical Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Collection of tests for vault."""
import contextlib
import hvac
import logging
import time
import unittest
import uuid
import tempfile
import requests
import zaza.charm_lifecycle.utils as lifecycle_utils
import zaza.openstack.charm_tests.test_utils as test_utils
import zaza.openstack.charm_tests.vault.utils as vault_utils
import zaza.openstack.utilities.cert
import zaza.openstack.utilities.openstack
import zaza.model
import zaza.utilities.juju as juju_utils
class BaseVaultTest(test_utils.OpenStackBaseTest):
"""Base class for vault tests."""
@classmethod
def setUpClass(cls):
"""Run setup for Vault tests."""
cls.model_name = zaza.model.get_juju_model()
cls.lead_unit = zaza.model.get_lead_unit_name(
"vault", model_name=cls.model_name)
cls.clients = vault_utils.get_clients()
cls.vip_client = vault_utils.get_vip_client()
if cls.vip_client:
cls.clients.append(cls.vip_client)
cls.vault_creds = vault_utils.get_credentails()
vault_utils.unseal_all(cls.clients, cls.vault_creds['keys'][0])
vault_utils.auth_all(cls.clients, cls.vault_creds['root_token'])
vault_utils.ensure_secret_backend(cls.clients[0])
def tearDown(self):
"""Tun test cleanup for Vault tests."""
vault_utils.unseal_all(self.clients, self.vault_creds['keys'][0])
@contextlib.contextmanager
def pause_resume(self, services, pgrep_full=False):
"""Override pause_resume for Vault behavior."""
zaza.model.block_until_service_status(
self.lead_unit,
services,
'running',
model_name=self.model_name)
zaza.model.block_until_unit_wl_status(
self.lead_unit,
'active',
model_name=self.model_name)
zaza.model.block_until_all_units_idle(model_name=self.model_name)
zaza.model.run_action(
self.lead_unit,
'pause',
model_name=self.model_name)
zaza.model.block_until_service_status(
self.lead_unit,
services,
'blocked', # Service paused
model_name=self.model_name)
yield
zaza.model.run_action(
self.lead_unit,
'resume',
model_name=self.model_name)
zaza.model.block_until_service_status(
self.lead_unit,
services,
'blocked', # Service sealed
model_name=self.model_name)
class UnsealVault(BaseVaultTest):
"""Unseal Vault only.
Useful for bootstrapping Vault when it is present in test bundles for other
charms.
"""
@classmethod
def setUpClass(cls):
"""Run setup for UnsealVault class."""
super(UnsealVault, cls).setUpClass()
def test_unseal(self, test_config=None):
"""Unseal Vault.
:param test_config: (Optional) Zaza test config
:type test_config: charm_lifecycle.utils.get_charm_config()
"""
vault_utils.run_charm_authorize(self.vault_creds['root_token'])
if not test_config:
test_config = lifecycle_utils.get_charm_config()
del test_config['target_deploy_status']['vault']
zaza.model.wait_for_application_states(
states=test_config.get('target_deploy_status', {}))
class VaultTest(BaseVaultTest):
"""Encapsulate vault tests."""
@classmethod
def setUpClass(cls):
"""Run setup for Vault tests."""
super(VaultTest, cls).setUpClass()
def test_csr(self):
"""Test generating a csr and uploading a signed certificate."""
vault_actions = zaza.model.get_actions(
'vault')
if 'get-csr' not in vault_actions:
raise unittest.SkipTest('Action not defined')
try:
zaza.model.get_application(
'keystone')
except KeyError:
raise unittest.SkipTest('No client to test csr')
action = vault_utils.run_charm_authorize(
self.vault_creds['root_token'])
action = vault_utils.run_get_csr()
intermediate_csr = action.data['results']['output']
(cakey, cacert) = zaza.openstack.utilities.cert.generate_cert(
'DivineAuthority',
generate_ca=True)
intermediate_cert = zaza.openstack.utilities.cert.sign_csr(
intermediate_csr,
cakey.decode(),
cacert.decode(),
generate_ca=True)
action = vault_utils.run_upload_signed_csr(
pem=intermediate_cert,
root_ca=cacert,
allowed_domains='openstack.local')
test_config = lifecycle_utils.get_charm_config()
del test_config['target_deploy_status']['vault']
zaza.openstack.utilities.openstack.block_until_ca_exists(
'keystone',
cacert.decode().strip())
zaza.model.wait_for_application_states(
states=test_config.get('target_deploy_status', {}))
ip = zaza.model.get_app_ips(
'keystone')[0]
with tempfile.NamedTemporaryFile(mode='w') as fp:
fp.write(cacert.decode())
fp.flush()
requests.get('https://{}:5000'.format(ip), verify=fp.name)
def test_all_clients_authenticated(self):
"""Check all vault clients are authenticated."""
for client in self.clients:
for i in range(1, 10):
try:
self.assertTrue(client.hvac_client.is_authenticated())
except hvac.exceptions.InternalServerError:
# XXX time.sleep roundup
# https://github.com/openstack-charmers/zaza-openstack-tests/issues/46
time.sleep(2)
else:
break
else:
self.assertTrue(client.hvac_client.is_authenticated())
def check_read(self, key, value):
"""Check reading the key from all vault units."""
for client in self.clients:
self.assertEqual(
client.hvac_client.read('secret/uuids')['data']['uuid'],
value)
def test_consistent_read_write(self):
"""Test reading and writing data to vault."""
key = 'secret/uuids'
for client in self.clients:
value = str(uuid.uuid1())
client.hvac_client.write(key, uuid=value, lease='1h')
# Now check all clients read the same value back
self.check_read(key, value)
@test_utils.skipIfNotHA('vault')
def test_vault_ha_statuses(self):
"""Check Vault charm HA status."""
leader = []
leader_address = []
leader_cluster_address = []
for client in self.clients:
self.assertTrue(client.hvac_client.ha_status['ha_enabled'])
leader_address.append(
client.hvac_client.ha_status['leader_address'])
leader_cluster_address.append(
client.hvac_client.ha_status['leader_cluster_address'])
if (client.hvac_client.ha_status['is_self'] and not
client.vip_client):
leader.append(client.addr)
# Check there is exactly one leader
self.assertEqual(len(leader), 1)
# Check both cluster addresses match accross the cluster
self.assertEqual(len(set(leader_address)), 1)
self.assertEqual(len(set(leader_cluster_address)), 1)
def test_check_vault_status(self):
"""Check Vault charm status."""
for client in self.clients:
self.assertFalse(client.hvac_client.seal_status['sealed'])
self.assertTrue(client.hvac_client.seal_status['cluster_name'])
def test_vault_authorize_charm_action(self):
"""Test the authorize_charm action."""
vault_actions = zaza.model.get_actions(
'vault')
if 'authorize-charm' not in vault_actions:
raise unittest.SkipTest('Action not defined')
action = vault_utils.run_charm_authorize(
self.vault_creds['root_token'])
self.assertEqual(action.status, 'completed')
client = self.clients[0]
self.assertIn(
'local-charm-policy',
client.hvac_client.list_policies())
def test_zzz_pause_resume(self):
"""Run pause and resume tests.
Pause service and check services are stopped, then resume and check
they are started.
"""
vault_actions = zaza.model.get_actions(
'vault')
if 'pause' not in vault_actions or 'resume' not in vault_actions:
raise unittest.SkipTest("The version of charm-vault tested does "
"not have pause/resume actions")
# this pauses and resumes the LEAD unit
with self.pause_resume(['vault']):
logging.info("Testing pause resume")
lead_client = vault_utils.extract_lead_unit_client(self.clients)
self.assertTrue(lead_client.hvac_client.seal_status['sealed'])
def test_vault_reload(self):
"""Run reload tests.
Reload service and check services were restarted
by doing simple change in the running config by API.
Then confirm that service is not sealed
"""
vault_actions = zaza.model.get_actions(
'vault')
if 'reload' not in vault_actions:
raise unittest.SkipTest("The version of charm-vault tested does "
"not have reload action")
lead_client = vault_utils.get_cluster_leader(self.clients)
running_config = vault_utils.get_running_config(lead_client)
value_to_set = not running_config['data']['disable_mlock']
logging.info("Setting disable-mlock to {}".format(str(value_to_set)))
zaza.model.set_application_config(
'vault',
{'disable-mlock': str(value_to_set)})
logging.info("Waiting for modle to be idle ...")
zaza.model.block_until_all_units_idle(model_name=self.model_name)
logging.info("Testing action reload on {}".format(lead_client))
zaza.model.run_action(
juju_utils.get_unit_name_from_ip_address(
lead_client.addr, 'vault'),
'reload',
model_name=self.model_name)
logging.info("Getting new value ...")
new_value = vault_utils.get_running_config(lead_client)[
'data']['disable_mlock']
logging.info(
"Asserting new value {} is equal to set value {}"
.format(new_value, value_to_set))
self.assertEqual(
value_to_set,
new_value)
logging.info("Asserting not sealed")
self.assertFalse(lead_client.hvac_client.seal_status['sealed'])
def test_vault_restart(self):
"""Run pause and resume tests.
Restart service and check services are started.
"""
vault_actions = zaza.model.get_actions(
'vault')
if 'restart' not in vault_actions:
raise unittest.SkipTest("The version of charm-vault tested does "
"not have restart action")
logging.info("Testing restart")
zaza.model.run_action_on_leader(
'vault',
'restart',
action_params={})
lead_client = vault_utils.extract_lead_unit_client(self.clients)
self.assertTrue(lead_client.hvac_client.seal_status['sealed'])
if __name__ == '__main__':
unittest.main()