charm-ops-interface-ceph-cl.../unit_tests/test_interface_ceph_client.py

460 lines
18 KiB
Python

#!/usr/bin/env python3
# Copyright 2020 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.
import copy
import unittest
import json
from mock import patch, Mock
from ops import framework
from ops.charm import CharmBase
from ops.testing import Harness
with patch('charmhelpers.core.host_factory.ubuntu.cmp_pkgrevno',
Mock(return_value=1)):
from charmhelpers.contrib.storage.linux.ceph import CephBrokerRq
from interface_ceph_client.ceph_client import (
CephClientRequires,
BrokerAvailableEvent)
class TestCephClientRequires(unittest.TestCase):
TEST_CASE_0 = {
'ceph-mon/0': {
'remote_unit_data': {
'ingress-address': '192.0.2.1',
'ceph-public-address': '192.0.2.1'}},
'ceph-mon/1': {
'remote_unit_data': {
'ingress-address': '192.0.2.2',
'ceph-public-address': '192.0.2.2'}},
'ceph-mon/2': {
'remote_unit_data': {
'ingress-address': '192.0.2.3',
'ceph-public-address': '192.0.2.3'}},
'client/0': {
'remote_unit_data': {
'ingress-address': '192.0.2.4'}}}
TEST_CASE_1 = {
'ceph-mon/0': {
'remote_unit_data': {
'auth': 'cephx',
'key': 'AQBUfpVeNl7CHxAA8/f6WTcYFxW2dJ5VyvWmJg==',
'ingress-address': '192.0.2.1',
'ceph-public-address': '192.0.2.1'}},
'ceph-mon/1': {
'remote_unit_data': {
'auth': 'cephx',
'key': 'AQBUfpVeNl7CHxAA8/f6WTcYFxW2dJ5VyvWmJg==',
'ingress-address': '192.0.2.2',
'ceph-public-address': '192.0.2.2',
'broker-rsp-client-0': (
'{"exit-code": 0, '
'"request-id": "a3ad24dd-7e2f-11ea-8ba2-e5a5b68b415f"}'),
'broker-rsp-client-1': (
'{"exit-code": 0, '
'"request-id": "c729e333-7e2f-11ea-8b3c-09dfcfc90070"}'),
'broker_rsp': (
'{"exit-code": 0, '
'"request-id": "c729e333-7e2f-11ea-8b3c-09dfcfc90070')}},
'ceph-mon/2': {
'remote_unit_data': {
'auth': 'cephx',
'key': 'AQBUfpVeNl7CHxAA8/f6WTcYFxW2dJ5VyvWmJg==',
'ingress-address': '192.0.2.3',
'ceph-public-address': '192.0.2.3'}},
'client/0': {
'remote_unit_data': {
'ingress-address': '192.0.2.4',
'broker_req': (
'{"api-version": 1, '
'"ops": [{"op": "create-pool", "name": "tmbtil", '
'"replicas": 3, "pg_num": null, "weight": null, '
'"group": null, "group-namespace": null, '
'"app-name": null, '
'"max-bytes": null, "max-objects": null}, '
'{"op": "set-key-permissions", '
'"permissions": ["osd", "allow *", "mon", "allow *", '
'"mgr", '
'"allow r"], "client": "ceph-iscsi"}], '
'"request-id": "a3ad24dd-7e2f-11ea-8ba2-e5a5b68b415f"}')}}}
def setUp(self):
self.harness = Harness(CharmBase, meta='''
name: client
provides:
ceph-client:
interface: ceph-client
''')
self.client_req = CephBrokerRq()
self.client_req.add_op_create_replicated_pool(
name='tmbtil',
replica_count=3)
self.client_req.add_op({
'op': 'set-key-permissions',
'permissions': [
'osd', 'allow *',
'mon', 'allow *',
'mgr', 'allow r'],
'client': 'ceph-iscsi'})
self.client_req.request_id = 'a3ad24dd-7e2f-11ea-8ba2-e5a5b68b415f'
self.random_request = CephBrokerRq()
self.random_request.add_op_create_replicated_pool(
name='another-pool',
replica_count=3)
def apply_unit_data(self, test_case, rel_id,
load_requst_from_client=True):
for unit_name, data in test_case.items():
if not load_requst_from_client and unit_name.startswith('client'):
continue
self.harness.add_relation_unit(rel_id, unit_name)
self.harness.update_relation_data(
rel_id,
unit_name,
test_case[unit_name]['remote_unit_data'])
def harness_setup(self, test_case, load_requst_from_client=False):
rel_id = self.harness.add_relation('ceph-client', 'ceph-mon')
self.apply_unit_data(test_case, rel_id)
self.harness.begin()
ceph_client = CephClientRequires(self.harness.charm, 'ceph-client')
if load_requst_from_client:
raw_rq = test_case['client/0']['remote_unit_data']['broker_req']
ceph_client.state.broker_req = raw_rq
return ceph_client
def test_request_osd_settings(self):
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
relation_id = self.harness.add_relation('ceph-client', 'ceph-mon')
self.harness.add_relation_unit(relation_id, 'ceph-mon/0')
self.harness.update_relation_data(
relation_id,
'ceph-mon/0',
{'ingress-address': '192.0.2.2'}
)
settings = {
'osd heartbeat grace': 20,
'osd heartbeat interval': 5
}
self.ceph_client.request_osd_settings(settings)
rel = self.harness.charm.model.get_relation('ceph-client')
rel_data = rel.data[self.harness.charm.model.unit]
self.assertEqual(json.loads(rel_data['osd-settings']), settings)
def test_mon_hosts(self):
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
mon_ips = ['192.0.2.1', '192.0.2.2', '2001:DB8::1']
mon_hosts = self.ceph_client.mon_hosts(mon_ips)
self.assertEqual(mon_hosts, ['192.0.2.1', '192.0.2.2',
'[2001:DB8::1]'])
def test_mon_hosts_ceph_proxy(self):
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
proxy_mon_ips = ['192.0.2.1 192.0.2.2 2001:DB8::1']
mon_hosts = self.ceph_client.mon_hosts(proxy_mon_ips)
self.assertEqual(mon_hosts, ['192.0.2.1', '192.0.2.2',
'[2001:DB8::1]'])
def test_get_relation_data(self):
relation_id_a = self.harness.add_relation('ceph-client', 'ceph-monA')
relation_id_b = self.harness.add_relation('ceph-client', 'ceph-monB')
self.harness.begin()
self.harness.add_relation_unit(relation_id_a, 'ceph-monA/0')
self.harness.update_relation_data(
relation_id_a,
'ceph-monA/0',
{'ingress-address': '192.0.2.2',
'ceph-public-address': '192.0.2.2',
'key': 'foo',
'auth': 'bar'},
)
self.harness.add_relation_unit(relation_id_a, 'ceph-monA/1')
self.harness.update_relation_data(
relation_id_a,
'ceph-monA/1',
{'ingress-address': '192.0.2.3'},
)
self.harness.add_relation_unit(relation_id_b, 'ceph-monB/0')
self.harness.update_relation_data(
relation_id_b,
'ceph-monB/0',
{'ingress-address': '2001:DB8::1',
'ceph-public-address': '2001:DB8::1',
'key': 'foo',
'auth': 'bar'},
)
self.harness.add_relation_unit(relation_id_b, 'ceph-monB/1')
self.harness.update_relation_data(
relation_id_b,
'ceph-monB/1',
{'ingress-address': '2001:DB8::2',
'ceph-public-address': '2001:DB8::2'},
)
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
rel_data = self.ceph_client.get_relation_data()
self.assertEqual(
rel_data,
{
'mon_hosts': ['192.0.2.2', '[2001:DB8::1]', '[2001:DB8::2]'],
'key': 'foo',
'auth': 'bar',
}
)
def test_existing_request_complete(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=True)
self.assertTrue(ceph_client.existing_request_complete())
def test_existing_request_false(self):
test_case = copy.deepcopy(self.TEST_CASE_1)
test_case['ceph-mon/1']['remote_unit_data'] = {}
ceph_client = self.harness_setup(
test_case,
load_requst_from_client=True)
self.assertFalse(ceph_client.existing_request_complete())
def test_on_changed(self):
class TestReceiver(framework.Object):
def __init__(self, parent, key):
super().__init__(parent, key)
self.observed_events = []
def on_broker_available(self, event):
self.observed_events.append(event)
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
receiver = TestReceiver(self.harness.framework, 'receiver')
self.harness.framework.observe(self.ceph_client.on.broker_available,
receiver.on_broker_available)
# No data yet.
relation_id = self.harness.add_relation('ceph-client', 'ceph-mon')
# Get broker_available as soon as relation is present.
self.assertEqual(len(receiver.observed_events), 0)
self.harness.add_relation_unit(relation_id, 'ceph-mon/0')
self.harness.update_relation_data(
relation_id,
'ceph-mon/0',
{'ingress-address': '192.0.2.2',
'ceph-public-address': '192.0.2.2'},
)
# Got the necessary data - should get a BrokerAvailable event.
self.apply_unit_data(
self.TEST_CASE_1,
relation_id,
load_requst_from_client=False)
# 1 broker_available event per mon and 1 completed request: 4 events
self.assertEqual(len(receiver.observed_events), 4)
self.assertIsInstance(receiver.observed_events[0],
BrokerAvailableEvent)
@patch.object(CephClientRequires, 'send_request_if_needed')
def test_create_replicated_pool(self, _send_request_if_needed):
# TODO: Replace mocking with real calls. Otherwise this test is not
# very useful.
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
self.ceph_client.create_replicated_pool('ceph-client')
_send_request_if_needed.assert_not_called()
self.harness.add_relation('ceph-client', 'ceph-mon')
self.ceph_client.create_replicated_pool('ceph-client')
_send_request_if_needed.assert_called()
@patch.object(CephClientRequires, 'send_request_if_needed')
def test_create_request_ceph_permissions(self, _send_request_if_needed):
# TODO: Replace mocking with real calls. Otherwise this test is not
# very useful.
self.harness.begin()
self.ceph_client = CephClientRequires(self.harness.charm,
'ceph-client')
CEPH_CAPABILITIES = [
"osd", "allow *",
"mon", "allow *",
"mgr", "allow r"
]
self.ceph_client.request_ceph_permissions('ceph-iscsi',
CEPH_CAPABILITIES)
_send_request_if_needed.assert_not_called()
self.harness.add_relation('ceph-client', 'ceph-mon')
self.ceph_client.create_replicated_pool('ceph-client')
_send_request_if_needed.assert_called()
def test_get_previous_request(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
rel = self.harness.charm.model.get_relation('ceph-client')
self.assertEqual(
ceph_client.get_previous_request(rel).request_id,
'a3ad24dd-7e2f-11ea-8ba2-e5a5b68b415f')
def test_get_previous_request_no_request(self):
ceph_client = self.harness_setup(
self.TEST_CASE_0,
load_requst_from_client=False)
rel = self.harness.charm.model.get_relation('ceph-client')
self.assertEqual(
ceph_client.get_previous_request(rel),
None)
def test_get_request_states(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertEqual(
ceph_client.get_request_states(self.client_req, relations),
{'ceph-client:0': {'complete': True, 'sent': True}})
def test_get_request_states_new_request(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertEqual(
ceph_client.get_request_states(self.random_request, relations),
{'ceph-client:0': {'complete': False, 'sent': False}})
def test_is_request_complete_for_relation(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relation = self.harness.charm.model.get_relation('ceph-client')
self.assertTrue(
ceph_client.is_request_complete_for_relation(
self.client_req,
relation))
def test_is_request_complete(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertTrue(
ceph_client.is_request_complete(
self.client_req,
relations))
def test_is_request_complete_similar_req(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
similar_req = copy.deepcopy(self.client_req)
similar_req.request_id = '2234234234'
self.assertTrue(
ceph_client.is_request_complete(
similar_req,
relations))
def test_is_request_complete_new_req(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertFalse(
ceph_client.is_request_complete(
self.random_request,
relations))
def test_is_request_sent(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertTrue(
ceph_client.is_request_sent(
self.client_req,
relations))
def test_is_request_sent_similar_req(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
similar_req = copy.deepcopy(self.client_req)
similar_req.request_id = '2234234234'
self.assertTrue(
ceph_client.is_request_sent(
similar_req,
relations))
def test_is_request_sent_new_req(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertFalse(
ceph_client.is_request_sent(
self.random_request,
relations))
def test_send_request_if_needed(self):
ceph_client = self.harness_setup(
self.TEST_CASE_0,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
self.assertIsNone(
relations[0].data[self.harness.charm.model.unit].get('broker_req'))
ceph_client.send_request_if_needed(
self.random_request,
relations)
self.assertIsNotNone(
relations[0].data[self.harness.charm.model.unit]['broker_req'])
def test_send_request_if_needed_duplicate(self):
ceph_client = self.harness_setup(
self.TEST_CASE_1,
load_requst_from_client=False)
relations = [self.harness.charm.model.get_relation('ceph-client')]
similar_req = copy.deepcopy(self.client_req)
similar_req.request_id = '2234234234'
orig_req_data = relations[0].data[self.harness.charm.model.unit].get(
'broker_req')
ceph_client.send_request_if_needed(
similar_req,
relations)
self.assertEqual(
relations[0].data[self.harness.charm.model.unit]['broker_req'],
orig_req_data)
if __name__ == '__main__':
unittest.main()