Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

import json

from snf_django.utils.testing import BaseAPITest, mocked_quotaholder

from synnefo.db.models import IPAddress

from synnefo.db import models_factory as mf

from synnefo.db.models_factory import (NetworkFactory,

                                       VirtualMachineFactory)

from mock import patch, Mock

from functools import partial

from synnefo.cyclades_settings import cyclades_services

from synnefo.lib.services import get_service_path

from synnefo.lib import join_urls

compute_path = get_service_path(cyclades_services, "compute", version="v2.0")

URL = join_urls(compute_path, "os-floating-ips")

NETWORKS_URL = join_urls(compute_path, "networks")

SERVERS_URL = join_urls(compute_path, "servers")

floating_ips = IPAddress.objects.filter(floating_ip=True)

FloatingIPPoolFactory = partial(NetworkFactory, public=True, deleted=False,

                                floating_ip_pool=True)

class FloatingIPAPITest(BaseAPITest):

    def setUp(self):

        self.pool = mf.NetworkWithSubnetFactory(floating_ip_pool=True,

                                                public=True,

                                                subnet__cidr="192.168.2.0/24",

                                                subnet__gateway="192.168.2.1")

    def test_no_floating_ip(self):

        response = self.get(URL)

        self.assertSuccess(response)

        self.assertEqual(json.loads(response.content)["floating_ips"], [])

    def test_list_ips(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True)

        with mocked_quotaholder():

            response = self.get(URL, "user1")

        self.assertSuccess(response)

        api_ip = json.loads(response.content)["floating_ips"][0]

        self.assertEqual(api_ip,

                         {"instance_id": str(ip.nic.machine_id),

                          "ip": ip.address,

                          "fixed_ip": None,

                          "id": str(ip.id),

                          "pool": str(ip.network_id)})

    def test_get_ip(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True)

        with mocked_quotaholder():

            response = self.get(URL + "/%s" % ip.id, "user1")

        self.assertSuccess(response)

        api_ip = json.loads(response.content)["floating_ip"]

        self.assertEqual(api_ip,

                         {"instance_id": str(ip.nic.machine_id),

                          "ip": ip.address,

                          "fixed_ip": None,

                          "id": str(ip.id),

                          "pool": str(ip.network_id)})

    def test_wrong_user(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True)

        response = self.delete(URL + "/%s" % ip.id, "user2")

        self.assertItemNotFound(response)

    def test_deleted_ip(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True,

                                   deleted=True)

        response = self.delete(URL + "/%s" % ip.id, "user1")

        self.assertItemNotFound(response)

    def test_reserve(self):

        request = {'pool': self.pool.id}

        with mocked_quotaholder():

            response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertSuccess(response)

        ip = floating_ips.get()

        self.assertEqual(ip.address, "192.168.2.2")

        self.assertEqual(ip.nic, None)

        self.assertEqual(ip.network, self.pool)

        self.assertEqual(json.loads(response.content)["floating_ip"],

                         {"instance_id": None, "ip": "192.168.2.2",

                          "fixed_ip": None, "id": str(ip.id),

                          "pool": str(self.pool.id)})

    def test_reserve_no_pool(self):

        # No floating IP pools

        self.pool.delete()

        response = self.post(URL, "test_user", json.dumps({}), "json")

        self.assertFault(response, 503, 'serviceUnavailable')

        # Full network

        pool = mf.NetworkWithSubnetFactory(floating_ip_pool=True,

                                           public=True,

                                           subnet__cidr="192.168.2.0/31",

                                           subnet__gateway="192.168.2.1")

        response = self.post(URL, "test_user", json.dumps({}), "json")

        self.assertFault(response, 503, 'serviceUnavailable')

        request = {'pool': pool.id}

        response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertConflict(response)

    def test_reserve_with_address(self):

        request = {'pool': self.pool.id, "address": "192.168.2.10"}

        with mocked_quotaholder():

            response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertSuccess(response)

        ip = floating_ips.get()

        self.assertEqual(json.loads(response.content)["floating_ip"],

                         {"instance_id": None, "ip": "192.168.2.10",

                          "fixed_ip": None, "id": str(ip.id),

                          "pool": str(self.pool.id)})

        # Already reserved

        with mocked_quotaholder():

            response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertFault(response, 409, "conflict")

        # Used by instance

        self.pool.reserve_address("192.168.2.20")

        request = {'pool': self.pool.id, "address": "192.168.2.20"}

        with mocked_quotaholder():

            response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertFault(response, 409, "conflict")

        # Address out of pool

        request = {'pool': self.pool.id, "address": "192.168.3.5"}

        with mocked_quotaholder():

            response = self.post(URL, "test_user", json.dumps(request), "json")

        self.assertBadRequest(response)

    def test_release_in_use(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True)

        vm = ip.nic.machine

        with mocked_quotaholder():

            response = self.delete(URL + "/%s" % ip.id, ip.userid)

        self.assertFault(response, 409, "conflict")

        # Also send a notification to remove the NIC and assert that FIP is in

        # use until notification from ganeti arrives

        request = {"removeFloatingIp": {"address": ip.address}}

        url = SERVERS_URL + "/%s/action" % vm.id

        with patch('synnefo.logic.rapi_pool.GanetiRapiClient') as c:

            c().ModifyInstance.return_value = 10

            response = self.post(url, vm.userid, json.dumps(request),

                                 "json")

        self.assertEqual(response.status_code, 202)

        with mocked_quotaholder():

            response = self.delete(URL + "/%s" % ip.id, ip.userid)

        self.assertFault(response, 409, "conflict")

    def test_release(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True, nic=None)

        with mocked_quotaholder():

            response = self.delete(URL + "/%s" % ip.id, ip.userid)

        self.assertSuccess(response)

        ips_after = floating_ips.filter(id=ip.id)

        self.assertEqual(len(ips_after), 0)

    @patch("synnefo.logic.backend", Mock())

    def test_delete_network_with_floating_ips(self):

        ip = mf.IPv4AddressFactory(userid="user1", floating_ip=True,

                                   network=self.pool, nic=None)

        # Mark the network as non-pubic to not get 403

        network = ip.network

        network.public = False

        network.save()

        # Can not remove network with floating IPs

        with mocked_quotaholder():

            response = self.delete(NETWORKS_URL + "/%s" % self.pool.id,

                                   self.pool.userid)

        self.assertConflict(response)

        # But we can with only deleted Floating Ips

        ip.deleted = True

        ip.save()

        with mocked_quotaholder():

            response = self.delete(NETWORKS_URL + "/%s" % self.pool.id,

                                   self.pool.userid)

        self.assertSuccess(response)

POOLS_URL = join_urls(compute_path, "os-floating-ip-pools")

class FloatingIPPoolsAPITest(BaseAPITest):

    def test_no_pool(self):

        response = self.get(POOLS_URL)

        self.assertSuccess(response)

        self.assertEqual(json.loads(response.content)["floating_ip_pools"], [])

    def test_list_pools(self):

        net = mf.NetworkWithSubnetFactory(floating_ip_pool=True,

                                          public=True,

                                          subnet__cidr="192.168.2.0/30",

                                          subnet__gateway="192.168.2.1")

        mf.NetworkWithSubnetFactory(public=True, deleted=True)

        mf.NetworkWithSubnetFactory(public=False, deleted=False)

        mf.NetworkWithSubnetFactory(public=True, floating_ip_pool=False)

        response = self.get(POOLS_URL)

        self.assertSuccess(response)

        self.assertEqual(json.loads(response.content)["floating_ip_pools"],

                         [{"name": str(net.id), "size": 4, "free": 1}])

class FloatingIPActionsTest(BaseAPITest):

    def setUp(self):

        self.vm = VirtualMachineFactory()

        self.vm.operstate = "ACTIVE"

        self.vm.save()

    def test_bad_request(self):

        url = SERVERS_URL + "/%s/action" % self.vm.id

        response = self.post(url, self.vm.userid, json.dumps({}), "json")

        self.assertBadRequest(response)

        response = self.post(url, self.vm.userid,

                             json.dumps({"addFloatingIp": {}}),

                             "json")

        self.assertBadRequest(response)

    @patch('synnefo.logic.rapi_pool.GanetiRapiClient')

    def test_add_floating_ip(self, mock):

        # Not exists

        url = SERVERS_URL + "/%s/action" % self.vm.id

        request = {"addFloatingIp": {"address": "10.0.0.1"}}

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertItemNotFound(response)

        # In use

        ip = mf.IPv4AddressFactory(floating_ip=True, userid=self.vm.userid)

        request = {"addFloatingIp": {"address": ip.address}}

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertConflict(response)

        # Success

        ip = mf.IPv4AddressFactory(floating_ip=True, nic=None,

                                   userid=self.vm.userid)

        request = {"addFloatingIp": {"address": ip.address}}

        mock().ModifyInstance.return_value = 1

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertEqual(response.status_code, 202)

        ip_after = floating_ips.get(id=ip.id)

        self.assertEqual(ip_after.nic.machine, self.vm)

        nic = self.vm.nics.get()

        nic.state = "ACTIVE"

        nic.save()

        response = self.get(SERVERS_URL + "/%s" % self.vm.id,

                            self.vm.userid)

        self.assertSuccess(response)

        nic = json.loads(response.content)["server"]["attachments"][0]

        self.assertEqual(nic["OS-EXT-IPS:type"], "floating")

    @patch('synnefo.logic.rapi_pool.GanetiRapiClient')

    def test_remove_floating_ip(self, mock):

        # Not exists

        url = SERVERS_URL + "/%s/action" % self.vm.id

        request = {"removeFloatingIp": {"address": "10.0.0.1"}}

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertBadRequest(response)

        # Not In Use

        ip = mf.IPv4AddressFactory(floating_ip=True, nic=None,

                                   userid=self.vm.userid)

        request = {"removeFloatingIp": {"address": ip.address}}

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertBadRequest(response)

        # Success

        ip = mf.IPv4AddressFactory(floating_ip=True,

                                   userid=self.vm.userid, nic__machine=self.vm)

        request = {"removeFloatingIp": {"address": ip.address}}

        mock().ModifyInstance.return_value = 2

        response = self.post(url, self.vm.userid, json.dumps(request), "json")

        self.assertEqual(response.status_code, 202)

        # Yet used. Wait for the callbacks

        ip_after = floating_ips.get(id=ip.id)

        self.assertEqual(ip_after.nic.machine, self.vm)