# 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.

"""
test_delete_server
----------------------------------

Tests for the `delete_server` command.
"""

import uuid

from openstack import exceptions
from openstack.tests.unit import base
from openstack.tests.unit.cloud import fakes


class TestDeleteServer(base.TestCase):
    def test_delete_server(self):
        """
        Test that server delete is called when wait=False
        """
        server = fakes.make_fake_server('1234', 'daffy', 'ACTIVE')
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'daffy']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=daffy'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                ),
            ]
        )
        self.assertTrue(self.cloud.delete_server('daffy', wait=False))

        self.assert_calls()

    def test_delete_server_already_gone(self):
        """
        Test that we return immediately when server is already gone
        """
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'tweety']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=tweety'],
                    ),
                    json={'servers': []},
                ),
            ]
        )
        self.assertFalse(self.cloud.delete_server('tweety', wait=False))

        self.assert_calls()

    def test_delete_server_already_gone_wait(self):
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'speedy']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=speedy'],
                    ),
                    json={'servers': []},
                ),
            ]
        )
        self.assertFalse(self.cloud.delete_server('speedy', wait=True))
        self.assert_calls()

    def test_delete_server_wait_for_deleted(self):
        """
        Test that delete_server waits for the server to be gone
        """
        server = fakes.make_fake_server('9999', 'wily', 'ACTIVE')
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'wily']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=wily'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '9999']
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '9999']
                    ),
                    json={'server': server},
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '9999']
                    ),
                    status_code=404,
                ),
            ]
        )
        self.assertTrue(self.cloud.delete_server('wily', wait=True))

        self.assert_calls()

    def test_delete_server_fails(self):
        """
        Test that delete_server raises non-404 exceptions
        """
        server = fakes.make_fake_server('1212', 'speedy', 'ACTIVE')
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'speedy']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=speedy'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1212']
                    ),
                    status_code=400,
                ),
            ]
        )

        self.assertRaises(
            exceptions.SDKException,
            self.cloud.delete_server,
            'speedy',
            wait=False,
        )

        self.assert_calls()

    def test_delete_server_no_cinder(self):
        """
        Test that deleting server works when cinder is not available
        """
        orig_has_service = self.cloud.has_service

        def fake_has_service(service_type):
            if service_type == 'volume':
                return False
            return orig_has_service(service_type)

        self.cloud.has_service = fake_has_service

        server = fakes.make_fake_server('1234', 'porky', 'ACTIVE')
        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'porky']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=porky'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                ),
            ]
        )
        self.assertTrue(self.cloud.delete_server('porky', wait=False))

        self.assert_calls()

    def test_delete_server_delete_ips(self):
        """
        Test that deleting server and fips works
        """
        server = fakes.make_fake_server('1234', 'porky', 'ACTIVE')
        fip_id = uuid.uuid4().hex

        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'porky']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=porky'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'network',
                        'public',
                        append=['v2.0', 'floatingips'],
                        qs_elements=['floating_ip_address=172.24.5.5'],
                    ),
                    complete_qs=True,
                    json={
                        'floatingips': [
                            {
                                'router_id': 'd23abc8d-2991-4a55-ba98-2aaea84cc72f',  # noqa: E501
                                'tenant_id': '4969c491a3c74ee4af974e6d800c62de',  # noqa: E501
                                'floating_network_id': '376da547-b977-4cfe-9cba7',  # noqa: E501
                                'fixed_ip_address': '10.0.0.4',
                                'floating_ip_address': '172.24.5.5',
                                'port_id': 'ce705c24-c1ef-408a-bda3-7bbd946164ac',  # noqa: E501
                                'id': fip_id,
                                'status': 'ACTIVE',
                            }
                        ]
                    },
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'network',
                        'public',
                        append=['v2.0', 'floatingips', fip_id],
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'network', 'public', append=['v2.0', 'floatingips']
                    ),
                    complete_qs=True,
                    json={'floatingips': []},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                    status_code=404,
                ),
            ]
        )
        self.assertTrue(
            self.cloud.delete_server('porky', wait=True, delete_ips=True)
        )

        self.assert_calls()

    def test_delete_server_delete_ips_bad_neutron(self):
        """
        Test that deleting server with a borked neutron doesn't bork
        """
        server = fakes.make_fake_server('1234', 'porky', 'ACTIVE')

        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'porky']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=porky'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'network',
                        'public',
                        append=['v2.0', 'floatingips'],
                        qs_elements=['floating_ip_address=172.24.5.5'],
                    ),
                    complete_qs=True,
                    status_code=404,
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                    status_code=404,
                ),
            ]
        )
        self.assertTrue(
            self.cloud.delete_server('porky', wait=True, delete_ips=True)
        )

        self.assert_calls()

    def test_delete_server_delete_fips_nova(self):
        """
        Test that deleting server with a borked neutron doesn't bork
        """
        self.cloud._floating_ip_source = 'nova'
        server = fakes.make_fake_server('1234', 'porky', 'ACTIVE')

        self.register_uris(
            [
                self.get_nova_discovery_mock_dict(),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', 'porky']
                    ),
                    status_code=404,
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute',
                        'public',
                        append=['servers', 'detail'],
                        qs_elements=['name=porky'],
                    ),
                    json={'servers': [server]},
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['os-floating-ips']
                    ),
                    json={
                        'floating_ips': [
                            {
                                'fixed_ip': None,
                                'id': 1,
                                'instance_id': None,
                                'ip': '172.24.5.5',
                                'pool': 'nova',
                            }
                        ]
                    },
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['os-floating-ips', '1']
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['os-floating-ips']
                    ),
                    json={'floating_ips': []},
                ),
                dict(
                    method='DELETE',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                ),
                dict(
                    method='GET',
                    uri=self.get_mock_url(
                        'compute', 'public', append=['servers', '1234']
                    ),
                    status_code=404,
                ),
            ]
        )
        self.assertTrue(
            self.cloud.delete_server('porky', wait=True, delete_ips=True)
        )

        self.assert_calls()
