# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
#    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 base64
import sys

import testtools

from tempest.api.compute import base
from tempest import clients
from tempest.common.utils import data_utils
from tempest import config
from tempest import exceptions
from tempest import test

CONF = config.CONF


class ServersNegativeV3Test(base.BaseV3ComputeTest):

    def setUp(self):
        super(ServersNegativeV3Test, self).setUp()
        try:
            self.client.wait_for_server_status(self.server_id, 'ACTIVE')
        except Exception:
            self.__class__.server_id = self.rebuild_server(self.server_id)

    def tearDown(self):
            self.server_check_teardown()
            super(ServersNegativeV3Test, self).tearDown()

    @classmethod
    def setUpClass(cls):
        super(ServersNegativeV3Test, cls).setUpClass()
        cls.client = cls.servers_client
        if CONF.compute.allow_tenant_isolation:
            cls.alt_os = clients.Manager(cls.isolated_creds.get_alt_creds())
        else:
            cls.alt_os = clients.AltManager()
        cls.alt_client = cls.alt_os.servers_v3_client
        resp, server = cls.create_test_server(wait_until='ACTIVE')
        cls.server_id = server['id']

    @test.attr(type=['negative', 'gate'])
    def test_server_name_blank(self):
        # Create a server with name parameter empty

        self.assertRaises(exceptions.BadRequest,
                          self.create_test_server,
                          name='')

    @test.attr(type=['negative', 'gate'])
    def test_create_with_invalid_image(self):
        # Create a server with an unknown image

        self.assertRaises(exceptions.BadRequest,
                          self.create_test_server,
                          image_id=-1)

    @test.attr(type=['negative', 'gate'])
    def test_create_with_invalid_flavor(self):
        # Create a server with an unknown flavor

        self.assertRaises(exceptions.BadRequest,
                          self.create_test_server,
                          flavor=-1,)

    @test.attr(type=['negative', 'gate'])
    def test_invalid_access_ip_v4_address(self):
        # An access IPv4 address must match a valid address pattern

        IPv4 = '1.1.1.1.1.1'
        self.assertRaises(exceptions.BadRequest,
                          self.create_test_server, access_ip_v4=IPv4)

    @test.attr(type=['negative', 'gate'])
    def test_invalid_ip_v6_address(self):
        # An access IPv6 address must match a valid address pattern

        IPv6 = 'notvalid'

        self.assertRaises(exceptions.BadRequest,
                          self.create_test_server, access_ip_v6=IPv6)

    @test.attr(type=['negative', 'gate'])
    def test_resize_nonexistent_server(self):
        # Resize a non-existent server
        nonexistent_server = data_utils.rand_uuid()
        self.assertRaises(exceptions.NotFound,
                          self.client.resize,
                          nonexistent_server, self.flavor_ref)

    @test.attr(type=['negative', 'gate'])
    def test_resize_server_with_non_existent_flavor(self):
        # Resize a server with non-existent flavor
        nonexistent_flavor = data_utils.rand_uuid()
        self.assertRaises(exceptions.BadRequest, self.client.resize,
                          self.server_id, flavor_ref=nonexistent_flavor)

    @test.attr(type=['negative', 'gate'])
    def test_resize_server_with_null_flavor(self):
        # Resize a server with null flavor
        self.assertRaises(exceptions.BadRequest, self.client.resize,
                          self.server_id, flavor_ref="")

    @test.attr(type=['negative', 'gate'])
    def test_reboot_non_existent_server(self):
        # Reboot a non existent server
        nonexistent_server = data_utils.rand_uuid()
        self.assertRaises(exceptions.NotFound, self.client.reboot,
                          nonexistent_server, 'SOFT')

    @testtools.skipUnless(CONF.compute_feature_enabled.pause,
                          'Pause is not available.')
    @test.attr(type=['negative', 'gate'])
    def test_pause_paused_server(self):
        # Pause a paused server.
        self.client.pause_server(self.server_id)
        self.client.wait_for_server_status(self.server_id, 'PAUSED')
        self.assertRaises(exceptions.Conflict,
                          self.client.pause_server,
                          self.server_id)
        self.client.unpause_server(self.server_id)

    @test.attr(type=['negative', 'gate'])
    def test_rebuild_reboot_deleted_server(self):
        # Rebuild and Reboot a deleted server
        _, server = self.create_test_server()
        self.client.delete_server(server['id'])
        self.client.wait_for_server_termination(server['id'])

        self.assertRaises(exceptions.NotFound,
                          self.client.rebuild,
                          server['id'], self.image_ref_alt)
        self.assertRaises(exceptions.NotFound, self.client.reboot,
                          server['id'], 'SOFT')

    @test.attr(type=['negative', 'gate'])
    def test_rebuild_non_existent_server(self):
        # Rebuild a non existent server
        nonexistent_server = data_utils.rand_uuid()
        meta = {'rebuild': 'server'}
        new_name = data_utils.rand_name('server')
        file_contents = 'Test server rebuild.'
        personality = [{'path': '/etc/rebuild.txt',