charm-vault/unit_tests/test_vault.py

289 lines
10 KiB
Python

import mock
import unittest
from unittest.mock import patch
import charms.reactive
# Mock out reactive decorators prior to importing reactive.vault
dec_mock = mock.MagicMock()
dec_mock.return_value = lambda x: x
charms.reactive.hook = dec_mock
charms.reactive.when = dec_mock
charms.reactive.when_not = dec_mock
import reactive.vault as handlers # noqa: E402
class TestHandlers(unittest.TestCase):
_health_response = {
"initialized": True,
"sealed": False,
"standby": False,
"server_time_utc": 1523952750,
"version": "0.9.0",
"cluster_name": "vault-cluster-9dd8dd12",
"cluster_id": "1ea3d74c-3819-fbaf-f780-bae0babc998f"
}
def setUp(self):
super(TestHandlers, self).setUp()
self.patches = [
'config',
'endpoint_from_flag',
'is_state',
'log',
'open_port',
'service_restart',
'service_running',
'service_start',
'set_state',
'status_set',
'remove_state',
'render',
'unit_private_ip',
'application_version_set',
]
self.patch_all()
def _patch(self, method):
_m = patch.object(handlers, method)
mock = _m.start()
self.addCleanup(_m.stop)
return mock
def patch_all(self):
for method in self.patches:
setattr(self, method, self._patch(method))
def test_ssl_available(self):
self.assertFalse(handlers.ssl_available({
'ssl-cert': '',
'ssl-key': ''}))
self.assertFalse(handlers.ssl_available({
'ssl-cert': 'acert',
'ssl-key': ''}))
self.assertFalse(handlers.ssl_available({
'ssl-cert': '',
'ssl-key': 'akey'}))
self.assertTrue(handlers.ssl_available({
'ssl-cert': 'acert',
'ssl-key': 'akey'}))
@patch.object(handlers, 'can_restart')
def test_configure_vault(self, can_restart):
can_restart.return_value = True
self.config.return_value = {'disable-mlock': False}
self.is_state.return_value = True
db_context = {
'storage_name': 'psql',
'psql_db_conn': 'myuri'}
self.endpoint_from_flag.return_value = None
handlers.configure_vault(db_context)
expected_context = {
'storage_name': 'psql',
'psql_db_conn': 'myuri',
'disable_mlock': False,
'ssl_available': True,
}
status_set_calls = [
mock.call('maintenance', 'creating vault config'),
mock.call('maintenance', 'creating vault unit file'),
mock.call('maintenance', 'starting vault'),
mock.call('maintenance', 'opening vault port'),
mock.call('active', '=^_^='),
]
render_calls = [
mock.call(
'vault.hcl.j2',
'/var/snap/vault/common/vault.hcl',
expected_context,
perms=0o600),
mock.call(
'vault.service.j2',
'/etc/systemd/system/vault.service',
{},
perms=0o644)
]
self.open_port.assert_called_once_with(8200)
self.status_set.assert_has_calls(status_set_calls)
self.render.assert_has_calls(render_calls)
# Check flipping disable-mlock makes it to the context
self.config.return_value = {'disable-mlock': True}
expected_context['disable_mlock'] = True
handlers.configure_vault(db_context)
render_calls = [
mock.call(
'vault.hcl.j2',
'/var/snap/vault/common/vault.hcl',
expected_context,
perms=0o600),
mock.call(
'vault.service.j2',
'/etc/systemd/system/vault.service',
{},
perms=0o644)
]
self.render.assert_has_calls(render_calls)
@patch.object(handlers, 'configure_vault')
def test_configure_vault_psql(self, configure_vault):
psql = mock.MagicMock()
psql.master = 'myuri'
handlers.configure_vault_psql(psql)
configure_vault.assert_called_once_with({
'storage_name': 'psql',
'psql_db_conn': 'myuri'})
@patch.object(handlers, 'configure_vault')
def test_configure_vault_msql(self, configure_vault):
mysql = mock.MagicMock()
handlers.configure_vault_mysql(mysql)
configure_vault.assert_called_once_with({
'storage_name': 'mysql',
'mysql_db_relation': mysql})
def test_disable_mlock_changed(self):
handlers.disable_mlock_changed()
self.remove_state.assert_called_once_with('configured')
def test_upgrade_charm(self):
calls = [mock.call('configured'),
mock.call('vault.nrpe.configured'),
mock.call('vault.ssl.configured')]
handlers.upgrade_charm()
self.remove_state.assert_has_calls(calls)
def test_request_db(self):
psql = mock.MagicMock()
handlers.request_db(psql)
psql.set_database.assert_called_once_with('vault')
@patch.object(handlers, 'psycopg2')
def test_create_vault_table(self, psycopg2):
psql = mock.MagicMock()
psql.master = 'myuri'
handlers.create_vault_table(psql)
db_calls = [
mock.call(handlers.VAULT_TABLE_DDL),
mock.call(handlers.VAULT_INDEX_DDL),
]
psycopg2.connect().cursor().execute.assert_has_calls(db_calls)
def test_database_not_ready(self):
handlers.database_not_ready()
self.remove_state.assert_called_once_with('vault.schema.created')
@patch.object(handlers, 'can_restart')
@patch.object(handlers, 'get_api_url')
def test_configure_vault_etcd(self, get_api_url, can_restart):
can_restart.return_value = True
get_api_url.return_value = 'http://this-unit'
self.config.return_value = {'disable-mlock': False}
etcd_mock = mock.MagicMock()
etcd_mock.connection_string.return_value = 'http://etcd'
self.endpoint_from_flag.return_value = etcd_mock
self.is_state.return_value = True
handlers.configure_vault({})
expected_context = {
'disable_mlock': False,
'ssl_available': True,
'etcd_conn': 'http://etcd',
'etcd_tls_ca_file': '/var/snap/vault/common/etcd-ca.pem',
'etcd_tls_cert_file': '/var/snap/vault/common/etcd-cert.pem',
'etcd_tls_key_file': '/var/snap/vault/common/etcd.key',
'vault_api_url': 'http://this-unit'}
render_calls = [
mock.call(
'vault.hcl.j2',
'/var/snap/vault/common/vault.hcl',
expected_context,
perms=0o600),
mock.call(
'vault.service.j2',
'/etc/systemd/system/vault.service',
{},
perms=0o644)
]
self.render.assert_has_calls(render_calls)
@patch.object(handlers.hvac, 'Client')
@patch.object(handlers, 'get_api_url')
def test_get_client(self, get_api_url, hvac_Client):
get_api_url.return_value = 'http://this-unit'
handlers.get_client()
hvac_Client.assert_called_once_with(url='http://this-unit')
def test_can_restart_vault_down(self):
self.service_running.return_value = False
self.assertTrue(handlers.can_restart())
@patch.object(handlers, 'get_client')
def test_can_restart_not_initialized(self, get_client):
hvac_mock = mock.MagicMock()
hvac_mock.is_initialized.return_value = False
get_client.return_value = hvac_mock
self.assertTrue(handlers.can_restart())
@patch.object(handlers, 'get_client')
def test_can_restart_sealed(self, get_client):
hvac_mock = mock.MagicMock()
hvac_mock.is_initialized.return_value = True
hvac_mock.is_sealed.return_value = True
get_client.return_value = hvac_mock
self.assertTrue(handlers.can_restart())
@patch.object(handlers, 'get_client')
def test_can_restart_unsealed(self, get_client):
hvac_mock = mock.MagicMock()
hvac_mock.is_initialized.return_value = True
hvac_mock.is_sealed.return_value = False
get_client.return_value = hvac_mock
self.assertFalse(handlers.can_restart())
def test_get_api_url_ssl(self):
self.is_state.return_value = True
self.unit_private_ip.return_value = '1.2.3.4'
self.assertEqual(handlers.get_api_url(), 'https://1.2.3.4:8200')
def test_get_api_url_nossl(self):
self.is_state.return_value = False
self.unit_private_ip.return_value = '1.2.3.4'
self.assertEqual(handlers.get_api_url(), 'http://1.2.3.4:8200')
@patch.object(handlers, 'get_api_url')
@patch.object(handlers, 'requests')
def test_get_vault_health(self, requests, get_api_url):
get_api_url.return_value = "https://vault.demo.com:8200"
mock_response = mock.MagicMock()
mock_response.json.return_value = self._health_response
requests.get.return_value = mock_response
self.assertEqual(handlers.get_vault_health(),
self._health_response)
requests.get.assert_called_with(
"https://vault.demo.com:8200/v1/sys/health")
mock_response.json.assert_called_once()
@patch.object(handlers, 'get_vault_health')
def test_assess_status(self, get_vault_health):
get_vault_health.return_value = self._health_response
self.service_running.return_value = True
handlers._assess_status()
self.application_version_set.assert_called_with(
self._health_response['version'])
@patch.object(handlers, 'get_vault_health')
def test_assess_status_not_running(self, get_vault_health):
get_vault_health.return_value = self._health_response
self.service_running.return_value = False
handlers._assess_status()
self.application_version_set.assert_not_called()
def test_cluster_connected(self):
self.config.return_value = '10.1.1.1'
hacluster_mock = mock.MagicMock()
handlers.cluster_connected(hacluster_mock)
hacluster_mock.add_vip.assert_called_once_with('vault', '10.1.1.1')
hacluster_mock.bind_resources.assert_called_once_with()