# This file is part of cloud-init. See LICENSE file for license information.

"""Tests for registering RHEL subscription via rh_subscription."""

import copy
import logging

from cloudinit.config import cc_rh_subscription
from cloudinit import subp

from cloudinit.tests.helpers import CiTestCase, mock

SUBMGR = cc_rh_subscription.SubscriptionManager
SUB_MAN_CLI = 'cloudinit.config.cc_rh_subscription._sub_man_cli'


@mock.patch(SUB_MAN_CLI)
class GoodTests(CiTestCase):
    with_logs = True

    def setUp(self):
        super(GoodTests, self).setUp()
        self.name = "cc_rh_subscription"
        self.cloud_init = None
        self.log = logging.getLogger("good_tests")
        self.args = []
        self.handle = cc_rh_subscription.handle

        self.config = {'rh_subscription':
                       {'username': 'scooby@do.com',
                        'password': 'scooby-snacks'
                        }}
        self.config_full = {'rh_subscription':
                            {'username': 'scooby@do.com',
                             'password': 'scooby-snacks',
                             'auto-attach': True,
                             'service-level': 'self-support',
                             'add-pool': ['pool1', 'pool2', 'pool3'],
                             'enable-repo': ['repo1', 'repo2', 'repo3'],
                             'disable-repo': ['repo4', 'repo5']
                             }}

    def test_already_registered(self, m_sman_cli):
        '''
        Emulates a system that is already registered. Ensure it gets
        a non-ProcessExecution error from is_registered()
        '''
        self.handle(self.name, self.config, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 1)
        self.assertIn('System is already registered', self.logs.getvalue())

    def test_simple_registration(self, m_sman_cli):
        '''
        Simple registration with username and password
        '''
        reg = "The system has been registered with ID:" \
              " 12345678-abde-abcde-1234-1234567890abc"
        m_sman_cli.side_effect = [subp.ProcessExecutionError, (reg, 'bar')]
        self.handle(self.name, self.config, self.cloud_init,
                    self.log, self.args)
        self.assertIn(mock.call(['identity']), m_sman_cli.call_args_list)
        self.assertIn(mock.call(['register', '--username=scooby@do.com',
                                 '--password=scooby-snacks'],
                                logstring_val=True),
                      m_sman_cli.call_args_list)
        self.assertIn('rh_subscription plugin completed successfully',
                      self.logs.getvalue())
        self.assertEqual(m_sman_cli.call_count, 2)

    @mock.patch.object(cc_rh_subscription.SubscriptionManager, "_getRepos")
    def test_update_repos_disable_with_none(self, m_get_repos, m_sman_cli):
        cfg = copy.deepcopy(self.config)
        m_get_repos.return_value = ([], ['repo1'])
        cfg['rh_subscription'].update(
            {'enable-repo': ['repo1'], 'disable-repo': None})
        mysm = cc_rh_subscription.SubscriptionManager(cfg)
        self.assertEqual(True, mysm.update_repos())
        m_get_repos.assert_called_with()
        self.assertEqual(m_sman_cli.call_args_list,
                         [mock.call(['repos', '--enable=repo1'])])

    def test_full_registration(self, m_sman_cli):
        '''
        Registration with auto-attach, service-level, adding pools,
        and enabling and disabling yum repos
        '''
        call_lists = []
        call_lists.append(['attach', '--pool=pool1', '--pool=pool3'])
        call_lists.append(['repos', '--disable=repo5', '--enable=repo2',
                           '--enable=repo3'])
        call_lists.append(['attach', '--auto', '--servicelevel=self-support'])
        reg = "The system has been registered with ID:" \
              " 12345678-abde-abcde-1234-1234567890abc"
        m_sman_cli.side_effect = [
            subp.ProcessExecutionError,
            (reg, 'bar'),
            ('Service level set to: self-support', ''),
            ('pool1\npool3\n', ''), ('pool2\n', ''), ('', ''),
            ('Repo ID: repo1\nRepo ID: repo5\n', ''),
            ('Repo ID: repo2\nRepo ID: repo3\nRepo ID: repo4', ''),
            ('', '')]
        self.handle(self.name, self.config_full, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 9)
        for call in call_lists:
            self.assertIn(mock.call(call), m_sman_cli.call_args_list)
        self.assertIn("rh_subscription plugin completed successfully",
                      self.logs.getvalue())


@mock.patch(SUB_MAN_CLI)
class TestBadInput(CiTestCase):
    with_logs = True
    name = "cc_rh_subscription"
    cloud_init = None
    log = logging.getLogger("bad_tests")
    args = []
    SM = cc_rh_subscription.SubscriptionManager
    reg = "The system has been registered with ID:" \
          " 12345678-abde-abcde-1234-1234567890abc"

    config_no_password = {'rh_subscription':
                          {'username': 'scooby@do.com'
                           }}

    config_no_key = {'rh_subscription':
                     {'activation-key': '1234abcde',
                      }}

    config_service = {'rh_subscription':
                      {'username': 'scooby@do.com',
                       'password': 'scooby-snacks',
                       'service-level': 'self-support'
                       }}

    config_badpool = {'rh_subscription':
                      {'username': 'scooby@do.com',
                       'password': 'scooby-snacks',
                       'add-pool': 'not_a_list'
                       }}
    config_badrepo = {'rh_subscription':
                      {'username': 'scooby@do.com',
                       'password': 'scooby-snacks',
                       'enable-repo': 'not_a_list'
                       }}
    config_badkey = {'rh_subscription':
                     {'activation-key': 'abcdef1234',
                      'fookey': 'bar',
                      'org': '123',
                      }}

    def setUp(self):
        super(TestBadInput, self).setUp()
        self.handle = cc_rh_subscription.handle

    def assert_logged_warnings(self, warnings):
        logs = self.logs.getvalue()
        missing = [w for w in warnings if "WARNING: " + w not in logs]
        self.assertEqual([], missing, "Missing expected warnings.")

    def test_no_password(self, m_sman_cli):
        '''Attempt to register without the password key/value.'''
        m_sman_cli.side_effect = [subp.ProcessExecutionError,
                                  (self.reg, 'bar')]
        self.handle(self.name, self.config_no_password, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 0)

    def test_no_org(self, m_sman_cli):
        '''Attempt to register without the org key/value.'''
        m_sman_cli.side_effect = [subp.ProcessExecutionError]
        self.handle(self.name, self.config_no_key, self.cloud_init,
                    self.log, self.args)
        m_sman_cli.assert_called_with(['identity'])
        self.assertEqual(m_sman_cli.call_count, 1)
        self.assert_logged_warnings((
            'Unable to register system due to incomplete information.',
            'Use either activationkey and org *or* userid and password',
            'Registration failed or did not run completely',
            'rh_subscription plugin did not complete successfully'))

    def test_service_level_without_auto(self, m_sman_cli):
        '''Attempt to register using service-level without auto-attach key.'''
        m_sman_cli.side_effect = [subp.ProcessExecutionError,
                                  (self.reg, 'bar')]
        self.handle(self.name, self.config_service, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 1)
        self.assert_logged_warnings((
            'The service-level key must be used in conjunction with ',
            'rh_subscription plugin did not complete successfully'))

    def test_pool_not_a_list(self, m_sman_cli):
        '''
        Register with pools that are not in the format of a list
        '''
        m_sman_cli.side_effect = [subp.ProcessExecutionError,
                                  (self.reg, 'bar')]
        self.handle(self.name, self.config_badpool, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 2)
        self.assert_logged_warnings((
            'Pools must in the format of a list',
            'rh_subscription plugin did not complete successfully'))

    def test_repo_not_a_list(self, m_sman_cli):
        '''
        Register with repos that are not in the format of a list
        '''
        m_sman_cli.side_effect = [subp.ProcessExecutionError,
                                  (self.reg, 'bar')]
        self.handle(self.name, self.config_badrepo, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 2)
        self.assert_logged_warnings((
            'Repo IDs must in the format of a list.',
            'Unable to add or remove repos',
            'rh_subscription plugin did not complete successfully'))

    def test_bad_key_value(self, m_sman_cli):
        '''
        Attempt to register with a key that we don't know
        '''
        m_sman_cli.side_effect = [subp.ProcessExecutionError,
                                  (self.reg, 'bar')]
        self.handle(self.name, self.config_badkey, self.cloud_init,
                    self.log, self.args)
        self.assertEqual(m_sman_cli.call_count, 1)
        self.assert_logged_warnings((
            'fookey is not a valid key for rh_subscription. Valid keys are:',
            'rh_subscription plugin did not complete successfully'))

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