示例#1
0
    def request_ceph_permissions(self, ceph):
        rq = CephBrokerRq()

        json_rq = ceph.get_local(key='broker_req')
        if json_rq:
            try:
                j = json.loads(json_rq)
                log("Json request: {}".format(json_rq))
                rq.set_ops(j['ops'])
            except ValueError as err:
                log("Unable to decode broker_req: {}. Error {}".format(
                    json_rq, err))

        rq.add_op({'op': 'set-key-permissions',
                   'permissions': CEPH_CAPABILITIES,
                   'client': 'manila-ganesha'})
        ceph.set_local(key='broker_req', value=rq.request)
        send_request_if_needed(rq, relation='ceph')
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)
        # 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)

    @mock.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()

    @mock.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)