text: # Copyright (c) 2013 Christian Schwede <christian.schwede@enovance.com>
  #
  # 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 json
  import mock
  import os
  import re
  import tempfile
  import time
  import unittest
  import shutil
  import sys
  import six
  
  from eventlet.green import socket
  from six import StringIO
  from six.moves import urllib
  
  from swift.cli import recon
  from swift.common import utils
  from swift.common.ring import builder
  from swift.common.ring import utils as ring_utils
  from swift.common.storage_policy import StoragePolicy, POLICIES
  from test.unit import patch_policies
  
  if six.PY3:
      from eventlet.green.urllib import request as urllib2
  else:
      from eventlet.green import urllib2
  
  
  class TestHelpers(unittest.TestCase):
      def test_seconds2timeunit(self):
          self.assertEqual(recon.seconds2timeunit(10), (10, 'seconds'))
          self.assertEqual(recon.seconds2timeunit(600), (10, 'minutes'))
          self.assertEqual(recon.seconds2timeunit(36000), (10, 'hours'))
          self.assertEqual(recon.seconds2timeunit(60 * 60 * 24 * 10),
                           (10, 'days'))
  
      def test_size_suffix(self):
          self.assertEqual(recon.size_suffix(5 * 10 ** 2), '500 bytes')
          self.assertEqual(recon.size_suffix(5 * 10 ** 3), '5 kB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 6), '5 MB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 9), '5 GB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 12), '5 TB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 15), '5 PB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 18), '5 EB')
          self.assertEqual(recon.size_suffix(5 * 10 ** 21), '5 ZB')
  
  
  class TestScout(unittest.TestCase):
      def setUp(self, *_args, **_kwargs):
          self.scout_instance = recon.Scout("type", suppress_errors=True)
          self.url = 'http://127.0.0.1:8080/recon/type'
          self.server_type_url = 'http://127.0.0.1:8080/'
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_ok(self, mock_urlopen):
          mock_urlopen.return_value.read = lambda: json.dumps([])
          url, content, status, ts_start, ts_end = self.scout_instance.scout(
              ("127.0.0.1", "8080"))
          self.assertEqual(url, self.url)
          self.assertEqual(content, [])
          self.assertEqual(status, 200)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_url_error(self, mock_urlopen):
          mock_urlopen.side_effect = urllib2.URLError("")
          url, content, status, ts_start, ts_end = self.scout_instance.scout(
              ("127.0.0.1", "8080"))
          self.assertIsInstance(content, urllib2.URLError)
          self.assertEqual(url, self.url)
          self.assertEqual(status, -1)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_http_error(self, mock_urlopen):
          mock_urlopen.side_effect = urllib2.HTTPError(
              self.url, 404, "Internal error", None, None)
          url, content, status, ts_start, ts_end = self.scout_instance.scout(
              ("127.0.0.1", "8080"))
          self.assertEqual(url, self.url)
          self.assertIsInstance(content, urllib2.HTTPError)
          self.assertEqual(status, 404)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_socket_timeout(self, mock_urlopen):
          mock_urlopen.side_effect = socket.timeout("timeout")
          url, content, status, ts_start, ts_end = self.scout_instance.scout(
              ("127.0.0.1", "8080"))
          self.assertIsInstance(content, socket.timeout)
          self.assertEqual(url, self.url)
          self.assertEqual(status, -1)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_server_type_ok(self, mock_urlopen):
          def getheader(name):
              d = {'Server': 'server-type'}
              return d.get(name)
          mock_urlopen.return_value.info.return_value.getheader = getheader
          url, content, status = self.scout_instance.scout_server_type(
              ("127.0.0.1", "8080"))
          self.assertEqual(url, self.server_type_url)
          self.assertEqual(content, 'server-type')
          self.assertEqual(status, 200)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_server_type_url_error(self, mock_urlopen):
          mock_urlopen.side_effect = urllib2.URLError("")
          url, content, status = self.scout_instance.scout_server_type(
              ("127.0.0.1", "8080"))
          self.assertIsInstance(content, urllib2.URLError)
          self.assertEqual(url, self.server_type_url)
          self.assertEqual(status, -1)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_server_type_http_error(self, mock_urlopen):
          mock_urlopen.side_effect = urllib2.HTTPError(
              self.server_type_url, 404, "Internal error", None, None)
          url, content, status = self.scout_instance.scout_server_type(
              ("127.0.0.1", "8080"))
          self.assertEqual(url, self.server_type_url)
          self.assertIsInstance(content, urllib2.HTTPError)
          self.assertEqual(status, 404)
  
      @mock.patch('eventlet.green.urllib2.urlopen')
      def test_scout_server_type_socket_timeout(self, mock_urlopen):
          mock_urlopen.side_effect = socket.timeout("timeout")
          url, content, status = self.scout_instance.scout_server_type(
              ("127.0.0.1", "8080"))
          self.assertIsInstance(content, socket.timeout)
          self.assertEqual(url, self.server_type_url)
          self.assertEqual(status, -1)
  
  
  @patch_policies
  class TestRecon(unittest.TestCase):
      def setUp(self, *_args, **_kwargs):
          self.recon_instance = recon.SwiftRecon()
          self.swift_dir = tempfile.mkdtemp()
          self.ring_name = POLICIES.legacy.ring_name
          self.tmpfile_name = os.path.join(
              self.swift_dir, self.ring_name + '.ring.gz')
          self.ring_name2 = POLICIES[1].ring_name
          self.tmpfile_name2 = os.path.join(
              self.swift_dir, self.ring_name2 + '.ring.gz')
  
          utils.HASH_PATH_SUFFIX = 'endcap'
          utils.HASH_PATH_PREFIX = 'startcap'
  
      def tearDown(self, *_args, **_kwargs):
          shutil.rmtree(self.swift_dir, ignore_errors=True)
  
      def _make_object_rings(self):
          ringbuilder = builder.RingBuilder(2, 3, 1)
          devs = [
              'r0z0-127.0.0.1:10000/sda1',
              'r0z1-127.0.0.1:10001/sda1',
              'r1z0-127.0.0.1:10002/sda1',
              'r1z1-127.0.0.1:10003/sda1',
          ]
          for raw_dev_str in devs:
              dev = ring_utils.parse_add_value(raw_dev_str)
              dev['weight'] = 1.0
              ringbuilder.add_dev(dev)
          ringbuilder.rebalance()
          ringbuilder.get_ring().save(self.tmpfile_name)
  
          ringbuilder = builder.RingBuilder(2, 2, 1)
          devs = [
              'r0z0-127.0.0.1:10000/sda1',
              'r0z1-127.0.0.2:10004/sda1',
          ]
          for raw_dev_str in devs:
              dev = ring_utils.parse_add_value(raw_dev_str)
              dev['weight'] = 1.0
              ringbuilder.add_dev(dev)
          ringbuilder.rebalance()
          ringbuilder.get_ring().save(self.tmpfile_name2)
  
      def test_gen_stats(self):
          stats = self.recon_instance._gen_stats((1, 4, 10, None), 'Sample')
          self.assertEqual(stats.get('name'), 'Sample')
          self.assertEqual(stats.get('average'), 5.0)
          self.assertEqual(stats.get('high'), 10)
          self.assertEqual(stats.get('reported'), 3)
          self.assertEqual(stats.get('low'), 1)
          self.assertEqual(stats.get('total'), 15)
          self.assertEqual(stats.get('number_none'), 1)
          self.assertEqual(stats.get('perc_none'), 25.0)
  
      def test_ptime(self):
          with mock.patch('time.gmtime') as mock_gmtime:
              mock_gmtime.return_value = time.struct_time(
                  (2013, 12, 17, 10, 0, 0, 1, 351, 0))
  
              timestamp = self.recon_instance._ptime(1387274400)
              self.assertEqual(timestamp, "2013-12-17 10:00:00")
              mock_gmtime.assert_called_with(1387274400)
  
              timestamp2 = self.recon_instance._ptime()
              self.assertEqual(timestamp2, "2013-12-17 10:00:00")
              mock_gmtime.assert_called_with()
  
      def test_get_hosts(self):
          self._make_object_rings()
  
          ips = self.recon_instance.get_hosts(
              None, None, self.swift_dir, [self.ring_name])
          self.assertEqual(
              set([('127.0.0.1', 10000), ('127.0.0.1', 10001),
                   ('127.0.0.1', 10002), ('127.0.0.1', 10003)]), ips)
  
          ips = self.recon_instance.get_hosts(
              0, None, self.swift_dir, [self.ring_name])
          self.assertEqual(
              set([('127.0.0.1', 10000), ('127.0.0.1', 10001)]), ips)
  
          ips = self.recon_instance.get_hosts(
              1, None, self.swift_dir, [self.ring_name])
          self.assertEqual(
              set([('127.0.0.1', 10002), ('127.0.0.1', 10003)]), ips)
  
          ips = self.recon_instance.get_hosts(
              0, 0, self.swift_dir, [self.ring_name])
          self.assertEqual(set([('127.0.0.1', 10000)]), ips)
  
          ips = self.recon_instance.get_hosts(
              1, 1, self.swift_dir, [self.ring_name])
          self.assertEqual(set([('127.0.0.1', 10003)]), ips)
  
          ips = self.recon_instance.get_hosts(
              None, None, self.swift_dir, [self.ring_name, self.ring_name2])
          self.assertEqual(
              set([('127.0.0.1', 10000), ('127.0.0.1', 10001),
                   ('127.0.0.1', 10002), ('127.0.0.1', 10003),
                   ('127.0.0.2', 10004)]), ips)
  
          ips = self.recon_instance.get_hosts(
              0, None, self.swift_dir, [self.ring_name, self.ring_name2])
          self.assertEqual(
              set([('127.0.0.1', 10000), ('127.0.0.1', 10001),
                   ('127.0.0.2', 10004)]), ips)
  
          ips = self.recon_instance.get_hosts(
              1, None, self.swift_dir, [self.ring_name, self.ring_name2])
          self.assertEqual(
              set([('127.0.0.1', 10002), ('127.0.0.1', 10003)]), ips)
  
          ips = self.recon_instance.get_hosts(
              0, 1, self.swift_dir, [self.ring_name, self.ring_name2])
          self.assertEqual(set([('127.0.0.1', 10001),
                                ('127.0.0.2', 10004)]), ips)
  
      def test_get_ringmd5(self):
          for server_type in ('account', 'container', 'object', 'object-1'):
              ring_name = '%s.ring.gz' % server_type
              ring_file = os.path.join(self.swift_dir, ring_name)
              open(ring_file, 'w')
  
          empty_file_hash = 'd41d8cd98f00b204e9800998ecf8427e'
          bad_file_hash = '00000000000000000000000000000000'
          hosts = [("127.0.0.1", "8080")]
          with mock.patch('swift.cli.recon.Scout') as mock_scout:
              scout_instance = mock.MagicMock()
              url = 'http://%s:%s/recon/ringmd5' % hosts[0]
              response = {
                  '/etc/swift/account.ring.gz': empty_file_hash,
                  '/etc/swift/container.ring.gz': empty_file_hash,
                  '/etc/swift/object.ring.gz': empty_file_hash,
                  '/etc/swift/object-1.ring.gz': empty_file_hash,
              }
              status = 200
              scout_instance.scout.return_value = (url, response, status, 0, 0)
              mock_scout.return_value = scout_instance
              mock_hash = mock.MagicMock()
  
              # Check correct account, container and object ring hashes
              for server_type in ('account', 'container', 'object'):
                  self.recon_instance.server_type = server_type
                  stdout = StringIO()
                  with mock.patch('sys.stdout', new=stdout), \
                          mock.patch('swift.cli.recon.md5', new=mock_hash):
                      mock_hash.return_value.hexdigest.return_value = \
                          empty_file_hash
                      self.recon_instance.get_ringmd5(hosts, self.swift_dir)
                  output = stdout.getvalue()
                  expected = '1/1 hosts matched'
                  found = False
                  for line in output.splitlines():
                      if '!!' in line:
                          self.fail('Unexpected Error in output: %r' % line)
                      if expected in line:
                          found = True
                  if not found:
                      self.fail('Did not find expected substring %r '
                                'in output:\n%s' % (expected, output))
  
              # Check bad container ring hash
              self.recon_instance.server_type = 'container'
              response = {
                  '/etc/swift/account.ring.gz': empty_file_hash,
                  '/etc/swift/container.ring.gz': bad_file_hash,
                  '/etc/swift/object.ring.gz': empty_file_hash,
                  '/etc/swift/object-1.ring.gz': empty_file_hash,
              }
              scout_instance.scout.return_value = (url, response, status, 0, 0)
              mock_scout.return_value = scout_instance
              stdout = StringIO()
              with mock.patch('sys.stdout', new=stdout), \
                      mock.patch('swift.cli.recon.md5', new=mock_hash):
                  mock_hash.return_value.hexdigest.return_value = \
                      empty_file_hash
                  self.recon_instance.get_ringmd5(hosts, self.swift_dir)
              output = stdout.getvalue()
              expected = '0/1 hosts matched'
              found = False
              for line in output.splitlines():
                  if '!!' in line:
                      self.assertIn('doesn\'t match on disk md5sum', line)
                  if expected in line:
                      found = True
              if not found:
                  self.fail('Did not find expected substring %r '
                            'in output:\n%s' % (expected, output))
  
              # Check object ring, container mismatch should be ignored
              self.recon_instance.server_type = 'object'
              stdout = StringIO()
              with mock.patch('sys.stdout', new=stdout), \
                      mock.patch('swift.cli.recon.md5', new=mock_hash):
                  mock_hash.return_value.hexdigest.return_value = \
                      empty_file_hash
                  self.recon_instance.get_ringmd5(hosts, self.swift_dir)
              output = stdout.getvalue()
              expected = '1/1 hosts matched'
              for line in output.splitlines():
                  if '!!' in line:
                      self.fail('Unexpected Error in output: %r' % line)
                  if expected in line:
                      found = True
              if not found:
                  self.fail('Did not find expected substring %r '
                            'in output:\n%s' % (expected, output))
  
          # Cleanup
          self.recon_instance.server_type = 'object'
          for ring in ('account', 'container', 'object', 'object-1'):
              os.remove(os.path.join(self.swift_dir, "%s.ring.gz" % ring))
  
      def test_quarantine_check(self):
          hosts = [('127.0.0.1', 6010), ('127.0.0.1', 6020),
                   ('127.0.0.1', 6030), ('127.0.0.1', 6040),
                   ('127.0.0.1', 6050)]
          # sample json response from http://<host>:<port>/recon/quarantined
          responses = {6010: {'accounts': 0, 'containers': 0, 'objects': 1,
                              'policies': {'0': {'objects': 0},
                                           '1': {'objects': 1}}},
                       6020: {'accounts': 1, 'containers': 1, 'objects': 3,
                              'policies': {'0': {'objects': 1},
                                           '1': {'objects': 2}}},
                       6030: {'accounts': 2, 'containers': 2, 'objects': 5,
                              'policies': {'0': {'objects': 2},
                                           '1': {'objects': 3}}},
                       6040: {'accounts': 3, 'containers': 3, 'objects': 7,
                              'policies': {'0': {'objects': 3},
                                           '1': {'objects': 4}}},
                       # A server without storage policies enabled
                       6050: {'accounts': 0, 'containers': 0, 'objects': 4}}
          # <low> <high> <avg> <total> <Failed> <no_result> <reported>
          expected = {'objects_0': (0, 3, 1.5, 6, 0.0, 0, 4),
                      'objects_1': (1, 4, 2.5, 10, 0.0, 0, 4),
                      'objects': (1, 7, 4.0, 20, 0.0, 0, 5),
                      'accounts': (0, 3, 1.2, 6, 0.0, 0, 5),
                      'containers': (0, 3, 1.2, 6, 0.0, 0, 5)}
  
          def mock_scout_quarantine(app, host):
              url = 'http://%s:%s/recon/quarantined' % host
              response = responses[host[1]]
              status = 200
              return url, response, status, 0, 0
  
          stdout = StringIO()
          with mock.patch('swift.cli.recon.Scout.scout',
                          mock_scout_quarantine), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon_instance.quarantine_check(hosts)
  
          output = stdout.getvalue()
          r = re.compile("\[quarantined_(.*)\](.*)")
          for line in output.splitlines():
              m = r.match(line)
              if m:
                  ex = expected.pop(m.group(1))
                  self.assertEqual(m.group(2),
                                   " low: %s, high: %s, avg: %s, total: %s,"
                                   " Failed: %s%%, no_result: %s, reported: %s"
                                   % ex)
          self.assertFalse(expected)
  
      def test_async_check(self):
          hosts = [('127.0.0.1', 6011), ('127.0.0.1', 6021),
                   ('127.0.0.1', 6031), ('127.0.0.1', 6041)]
          # sample json response from http://<host>:<port>/recon/async
          responses = {6011: {'async_pending': 15},
                       6021: {'async_pending': 0},
                       6031: {'async_pending': 257},
                       6041: {'async_pending': 56}}
          # <low> <high> <avg> <total> <Failed> <no_result> <reported>
          expected = (0, 257, 82.0, 328, 0.0, 0, 4)
  
          def mock_scout_async(app, host):
              url = 'http://%s:%s/recon/async' % host
              response = responses[host[1]]
              status = 200
              return url, response, status, 0, 0
  
          stdout = StringIO()
          with mock.patch('swift.cli.recon.Scout.scout',
                          mock_scout_async), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon_instance.async_check(hosts)
  
          output = stdout.getvalue()
          r = re.compile("\[async_pending(.*)\](.*)")
          lines = output.splitlines()
          self.assertTrue(lines)
          for line in lines:
              m = r.match(line)
              if m:
                  self.assertEqual(m.group(2),
                                   " low: %s, high: %s, avg: %s, total: %s,"
                                   " Failed: %s%%, no_result: %s, reported: %s"
                                   % expected)
                  break
          else:
              self.fail('The expected line is not found')
  
      def test_umount_check(self):
          hosts = [('127.0.0.1', 6010), ('127.0.0.1', 6020),
                   ('127.0.0.1', 6030), ('127.0.0.1', 6040)]
          # sample json response from http://<host>:<port>/recon/unmounted
          responses = {6010: [{'device': 'sdb1', 'mounted': False}],
                       6020: [{'device': 'sdb2', 'mounted': False}],
                       6030: [{'device': 'sdb3', 'mounted': False}],
                       6040: [{'device': 'sdb4', 'mounted': 'bad'}]}
  
          expected = ['Not mounted: sdb1 on 127.0.0.1:6010',
                      'Not mounted: sdb2 on 127.0.0.1:6020',
                      'Not mounted: sdb3 on 127.0.0.1:6030',
                      'Device errors: sdb4 on 127.0.0.1:6040']
  
          def mock_scout_umount(app, host):
              url = 'http://%s:%s/recon/unmounted' % host
              response = responses[host[1]]
              status = 200
              return url, response, status, 0, 0
  
          stdout = StringIO()
          with mock.patch('swift.cli.recon.Scout.scout',
                          mock_scout_umount), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon_instance.umount_check(hosts)
  
          output = stdout.getvalue()
          r = re.compile("\Not mounted:|Device errors: .*")
          lines = output.splitlines()
          self.assertTrue(lines)
          for line in lines:
              m = r.match(line)
              if m:
                  self.assertIn(line, expected)
                  expected.remove(line)
          self.assertFalse(expected)
  
      def test_drive_audit_check(self):
          hosts = [('127.0.0.1', 6010), ('127.0.0.1', 6020),
                   ('127.0.0.1', 6030), ('127.0.0.1', 6040)]
          # sample json response from http://<host>:<port>/recon/driveaudit
          responses = {6010: {'drive_audit_errors': 15},
                       6020: {'drive_audit_errors': 0},
                       6030: {'drive_audit_errors': 257},
                       6040: {'drive_audit_errors': 56}}
          # <low> <high> <avg> <total> <Failed> <no_result> <reported>
          expected = (0, 257, 82.0, 328, 0.0, 0, 4)
  
          def mock_scout_driveaudit(app, host):
              url = 'http://%s:%s/recon/driveaudit' % host
              response = responses[host[1]]
              status = 200
              return url, response, status, 0, 0
  
          stdout = StringIO()
          with mock.patch('swift.cli.recon.Scout.scout',
                          mock_scout_driveaudit), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon_instance.driveaudit_check(hosts)
  
          output = stdout.getvalue()
          r = re.compile("\[drive_audit_errors(.*)\](.*)")
          lines = output.splitlines()
          self.assertTrue(lines)
          for line in lines:
              m = r.match(line)
              if m:
                  self.assertEqual(m.group(2),
                                   " low: %s, high: %s, avg: %s, total: %s,"
                                   " Failed: %s%%, no_result: %s, reported: %s"
                                   % expected)
  
      def test_get_ring_names(self):
          self.recon_instance.server_type = 'not-object'
          self.assertEqual(self.recon_instance._get_ring_names(), ['not-object'])
  
          self.recon_instance.server_type = 'object'
  
          with patch_policies([StoragePolicy(0, 'zero', is_default=True)]):
              self.assertEqual(self.recon_instance._get_ring_names(),
                               ['object'])
  
          with patch_policies([StoragePolicy(0, 'zero', is_default=True),
                               StoragePolicy(1, 'one')]):
              self.assertEqual(self.recon_instance._get_ring_names(),
                               ['object', 'object-1'])
              self.assertEqual(self.recon_instance._get_ring_names('0'),
                               ['object'])
              self.assertEqual(self.recon_instance._get_ring_names('zero'),
                               ['object'])
              self.assertEqual(self.recon_instance._get_ring_names('1'),
                               ['object-1'])
              self.assertEqual(self.recon_instance._get_ring_names('one'),
                               ['object-1'])
  
              self.assertEqual(self.recon_instance._get_ring_names('3'), [])
              self.assertEqual(self.recon_instance._get_ring_names('wrong'),
                               [])
  
      def test_main_object_hosts_default_all_policies(self):
          self._make_object_rings()
          discovered_hosts = set()
  
          def server_type_check(hosts):
              for h in hosts:
                  discovered_hosts.add(h)
  
          self.recon_instance.server_type_check = server_type_check
          with mock.patch.object(sys, 'argv', [
                  "prog", "object", "--swiftdir=%s" % self.swift_dir,
                  "--validate-servers"]):
              self.recon_instance.main()
  
          expected = set([
              ('127.0.0.1', 10000),
              ('127.0.0.1', 10001),
              ('127.0.0.1', 10002),
              ('127.0.0.1', 10003),
              ('127.0.0.2', 10004),
          ])
  
          self.assertEqual(expected, discovered_hosts)
  
      def test_main_object_hosts_default_unu(self):
          self._make_object_rings()
          discovered_hosts = set()
  
          def server_type_check(hosts):
              for h in hosts:
                  discovered_hosts.add(h)
  
          self.recon_instance.server_type_check = server_type_check
  
          with mock.patch.object(sys, 'argv', [
                  "prog", "object", "--swiftdir=%s" % self.swift_dir,
                  "--validate-servers", '--policy=unu']):
  
              self.recon_instance.main()
  
          expected = set([
              ('127.0.0.1', 10000),
              ('127.0.0.2', 10004),
          ])
          self.assertEqual(expected, discovered_hosts)
  
      def test_main_object_hosts_default_invalid(self):
          self._make_object_rings()
          stdout = StringIO()
          with mock.patch.object(sys, 'argv', [
                  "prog", "object", "--swiftdir=%s" % self.swift_dir,
                  "--validate-servers", '--policy=invalid']),\
                  mock.patch('sys.stdout', stdout):
              self.assertRaises(SystemExit, recon.main)
              self.assertIn('Invalid Storage Policy', stdout.getvalue())
  
  
  class TestReconCommands(unittest.TestCase):
      def setUp(self):
          self.recon = recon.SwiftRecon()
          self.hosts = set([('127.0.0.1', 10000)])
  
      def mock_responses(self, resps):
  
          def fake_urlopen(url, timeout):
              scheme, netloc, path, _, _, _ = urllib.parse.urlparse(url)
              self.assertEqual(scheme, 'http')  # can't handle anything else
              self.assertTrue(path.startswith('/recon/'))
  
              if ':' in netloc:
                  host, port = netloc.split(':', 1)
                  port = int(port)
              else:
                  host = netloc
                  port = 80
  
              response_body = resps[(host, port, path[7:])]
  
              resp = mock.MagicMock()
              resp.read = mock.MagicMock(side_effect=[response_body])
              return resp
  
          return mock.patch('eventlet.green.urllib2.urlopen', fake_urlopen)
  
      def test_server_type_check(self):
          hosts = [('127.0.0.1', 6010), ('127.0.0.1', 6011),
                   ('127.0.0.1', 6012)]
  
          # sample json response from http://<host>:<port>/
          responses = {6010: 'object-server', 6011: 'container-server',
                       6012: 'account-server'}
  
          def mock_scout_server_type(app, host):
              url = 'http://%s:%s/' % (host[0], host[1])
              response = responses[host[1]]
              status = 200
              return url, response, status
  
          stdout = StringIO()
          res_object = 'Invalid: http://127.0.0.1:6010/ is object-server'
          res_container = 'Invalid: http://127.0.0.1:6011/ is container-server'
          res_account = 'Invalid: http://127.0.0.1:6012/ is account-server'
          valid = "1/1 hosts ok, 0 error[s] while checking hosts."
  
          # Test for object server type - default
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type_check(hosts)
  
          output = stdout.getvalue()
          self.assertIn(res_container, output.splitlines())
          self.assertIn(res_account, output.splitlines())
          stdout.truncate(0)
  
          # Test ok for object server type - default
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type_check([hosts[0]])
  
          output = stdout.getvalue()
          self.assertIn(valid, output.splitlines())
          stdout.truncate(0)
  
          # Test for account server type
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type = 'account'
              self.recon.server_type_check(hosts)
  
          output = stdout.getvalue()
          self.assertIn(res_container, output.splitlines())
          self.assertIn(res_object, output.splitlines())
          stdout.truncate(0)
  
          # Test ok for account server type
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type = 'account'
              self.recon.server_type_check([hosts[2]])
  
          output = stdout.getvalue()
          self.assertIn(valid, output.splitlines())
          stdout.truncate(0)
  
          # Test for container server type
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type = 'container'
              self.recon.server_type_check(hosts)
  
          output = stdout.getvalue()
          self.assertIn(res_account, output.splitlines())
          self.assertIn(res_object, output.splitlines())
          stdout.truncate(0)
  
          # Test ok for container server type
          with mock.patch('swift.cli.recon.Scout.scout_server_type',
                          mock_scout_server_type), \
                  mock.patch('sys.stdout', new=stdout):
              self.recon.server_type = 'container'
              self.recon.server_type_check([hosts[1]])
  
          output = stdout.getvalue()
          self.assertIn(valid, output.splitlines())
  
      def test_get_swiftconfmd5(self):
          hosts = set([('10.1.1.1', 10000),
                       ('10.2.2.2', 10000)])
          cksum = '729cf900f2876dead617d088ece7fe8c'
  
          responses = {
              ('10.1.1.1', 10000, 'swiftconfmd5'):
              json.dumps({'/etc/swift/swift.conf': cksum}),
              ('10.2.2.2', 10000, 'swiftconfmd5'):
              json.dumps({'/etc/swift/swift.conf': cksum})}
  
          printed = []
          with self.mock_responses(responses):
              with mock.patch.object(self.recon, '_md5_file', lambda _: cksum):
                  self.recon.get_swiftconfmd5(hosts, printfn=printed.append)
  
          output = '\n'.join(printed) + '\n'
          self.assertIn("2/2 hosts matched", output)
  
      def test_get_swiftconfmd5_mismatch(self):
          hosts = set([('10.1.1.1', 10000),
                       ('10.2.2.2', 10000)])
          cksum = '29d5912b1fcfcc1066a7f51412769c1d'
  
          responses = {
              ('10.1.1.1', 10000, 'swiftconfmd5'):
              json.dumps({'/etc/swift/swift.conf': cksum}),
              ('10.2.2.2', 10000, 'swiftconfmd5'):
              json.dumps({'/etc/swift/swift.conf': 'bogus'})}
  
          printed = []
          with self.mock_responses(responses):
              with mock.patch.object(self.recon, '_md5_file', lambda _: cksum):
                  self.recon.get_swiftconfmd5(hosts, printfn=printed.append)
  
          output = '\n'.join(printed) + '\n'
          self.assertIn("1/2 hosts matched", output)
          self.assertIn("http://10.2.2.2:10000/recon/swiftconfmd5 (bogus) "
                        "doesn't match on disk md5sum", output)
  
      def test_object_auditor_check(self):
          # Recon middleware response from an object server
          def dummy_request(*args, **kwargs):
              values = {
                  'passes': 0, 'errors': 0, 'audit_time': 0,
                  'start_time': 0, 'quarantined': 0, 'bytes_processed': 0}
  
              return [('http://127.0.0.1:6010/recon/auditor/object', {
                  'object_auditor_stats_ALL': values,
                  'object_auditor_stats_ZBF': values,
              }, 200, 0, 0)]
  
          response = {}
  
          def catch_print(computed):
              response[computed.get('name')] = computed
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
          cli._print_stats = catch_print
  
          cli.object_auditor_check([('127.0.0.1', 6010)])
  
          # Now check that output contains all keys and names
          keys = ['average', 'number_none', 'high',
                  'reported', 'low', 'total', 'perc_none']
  
          names = [
              'ALL_audit_time_last_path',
              'ALL_quarantined_last_path',
              'ALL_errors_last_path',
              'ALL_passes_last_path',
              'ALL_bytes_processed_last_path',
              'ZBF_audit_time_last_path',
              'ZBF_quarantined_last_path',
              'ZBF_errors_last_path',
              'ZBF_bytes_processed_last_path'
          ]
  
          for name in names:
              computed = response.get(name)
              self.assertTrue(computed)
              for key in keys:
                  self.assertIn(key, computed)
  
      def test_disk_usage(self):
          def dummy_request(*args, **kwargs):
              return [('http://127.0.0.1:6010/recon/diskusage', [
                  {"device": "sdb1", "mounted": True,
                   "avail": 10, "used": 90, "size": 100},
                  {"device": "sdc1", "mounted": True,
                   "avail": 15, "used": 85, "size": 100},
                  {"device": "sdd1", "mounted": True,
                   "avail": 15, "used": 85, "size": 100}],
                  200,
                  0,
                  0)]
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
  
          default_calls = [
              mock.call('Distribution Graph:'),
              mock.call(' 85%    2 **********************************' +
                        '***********************************'),
              mock.call(' 90%    1 **********************************'),
              mock.call('Disk usage: space used: 260 of 300'),
              mock.call('Disk usage: space free: 40 of 300'),
              mock.call('Disk usage: lowest: 85.0%, ' +
                        'highest: 90.0%, avg: 86.6666666667%'),
              mock.call('=' * 79),
          ]
  
          with mock.patch('six.moves.builtins.print') as mock_print:
              cli.disk_usage([('127.0.0.1', 6010)])
              mock_print.assert_has_calls(default_calls)
  
          with mock.patch('six.moves.builtins.print') as mock_print:
              expected_calls = default_calls + [
                  mock.call('LOWEST 5'),
                  mock.call('85.00%  127.0.0.1       sdc1'),
                  mock.call('85.00%  127.0.0.1       sdd1'),
                  mock.call('90.00%  127.0.0.1       sdb1')
              ]
              cli.disk_usage([('127.0.0.1', 6010)], 0, 5)
              mock_print.assert_has_calls(expected_calls)
  
          with mock.patch('six.moves.builtins.print') as mock_print:
              expected_calls = default_calls + [
                  mock.call('TOP 5'),
                  mock.call('90.00%  127.0.0.1       sdb1'),
                  mock.call('85.00%  127.0.0.1       sdc1'),
                  mock.call('85.00%  127.0.0.1       sdd1')
              ]
              cli.disk_usage([('127.0.0.1', 6010)], 5, 0)
              mock_print.assert_has_calls(expected_calls)
  
      @mock.patch('six.moves.builtins.print')
      @mock.patch('time.time')
      def test_replication_check(self, mock_now, mock_print):
          now = 1430000000.0
  
          def dummy_request(*args, **kwargs):
              return [
                  ('http://127.0.0.1:6011/recon/replication/container',
                   {"replication_last": now,
                    "replication_stats": {
                        "no_change": 2, "rsync": 0, "success": 3, "failure": 1,
                        "attempted": 0, "ts_repl": 0, "remove": 0,
                        "remote_merge": 0, "diff_capped": 0, "start": now,
                        "hashmatch": 0, "diff": 0, "empty": 0},
                    "replication_time": 42},
                   200,
                   0,
                   0),
                  ('http://127.0.0.1:6021/recon/replication/container',
                   {"replication_last": now,
                    "replication_stats": {
                        "no_change": 0, "rsync": 0, "success": 1, "failure": 0,
                        "attempted": 0, "ts_repl": 0, "remove": 0,
                        "remote_merge": 0, "diff_capped": 0, "start": now,
                        "hashmatch": 0, "diff": 0, "empty": 0},
                    "replication_time": 23},
                   200,
                   0,
                   0),
              ]
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
  
          default_calls = [
              mock.call('[replication_failure] low: 0, high: 1, avg: 0.5, ' +
                        'total: 1, Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('[replication_success] low: 1, high: 3, avg: 2.0, ' +
                        'total: 4, Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('[replication_time] low: 23, high: 42, avg: 32.5, ' +
                        'total: 65, Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('[replication_attempted] low: 0, high: 0, avg: 0.0, ' +
                        'total: 0, Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('Oldest completion was 2015-04-25 22:13:20 ' +
                        '(42 seconds ago) by 127.0.0.1:6011.'),
              mock.call('Most recent completion was 2015-04-25 22:13:20 ' +
                        '(42 seconds ago) by 127.0.0.1:6011.'),
          ]
  
          mock_now.return_value = now + 42
          cli.replication_check([('127.0.0.1', 6011), ('127.0.0.1', 6021)])
          # We need any_order=True because the order of calls depends on the dict
          # that is returned from the recon middleware, thus can't rely on it
          mock_print.assert_has_calls(default_calls, any_order=True)
  
      @mock.patch('six.moves.builtins.print')
      @mock.patch('time.time')
      def test_load_check(self, mock_now, mock_print):
          now = 1430000000.0
  
          def dummy_request(*args, **kwargs):
              return [
                  ('http://127.0.0.1:6010/recon/load',
                   {"1m": 0.2, "5m": 0.4, "15m": 0.25,
                    "processes": 10000, "tasks": "1/128"},
                   200,
                   0,
                   0),
                  ('http://127.0.0.1:6020/recon/load',
                   {"1m": 0.4, "5m": 0.8, "15m": 0.75,
                    "processes": 9000, "tasks": "1/200"},
                   200,
                   0,
                   0),
              ]
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
  
          default_calls = [
              mock.call('[5m_load_avg] low: 0, high: 0, avg: 0.6, total: 1, ' +
                        'Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('[15m_load_avg] low: 0, high: 0, avg: 0.5, total: 1, ' +
                        'Failed: 0.0%, no_result: 0, reported: 2'),
              mock.call('[1m_load_avg] low: 0, high: 0, avg: 0.3, total: 0, ' +
                        'Failed: 0.0%, no_result: 0, reported: 2'),
          ]
  
          mock_now.return_value = now + 42
          cli.load_check([('127.0.0.1', 6010), ('127.0.0.1', 6020)])
          # We need any_order=True because the order of calls depends on the dict
          # that is returned from the recon middleware, thus can't rely on it
          mock_print.assert_has_calls(default_calls, any_order=True)
  
      @mock.patch('six.moves.builtins.print')
      @mock.patch('time.time')
      def test_time_check(self, mock_now, mock_print):
          now = 1430000000.0
          mock_now.return_value = now
  
          def dummy_request(*args, **kwargs):
              return [
                  ('http://127.0.0.1:6010/recon/load',
                   now,
                   200,
                   now - 0.5,
                   now + 0.5),
                  ('http://127.0.0.1:6020/recon/load',
                   now,
                   200,
                   now,
                   now),
              ]
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
  
          default_calls = [
              mock.call('2/2 hosts matched, 0 error[s] while checking hosts.')
          ]
  
          cli.time_check([('127.0.0.1', 6010), ('127.0.0.1', 6020)])
          # We need any_order=True because the order of calls depends on the dict
          # that is returned from the recon middleware, thus can't rely on it
          mock_print.assert_has_calls(default_calls, any_order=True)
  
      @mock.patch('six.moves.builtins.print')
      @mock.patch('time.time')
      def test_time_check_mismatch(self, mock_now, mock_print):
          now = 1430000000.0
          mock_now.return_value = now
  
          def dummy_request(*args, **kwargs):
              return [
                  ('http://127.0.0.1:6010/recon/time',
                   now,
                   200,
                   now + 0.5,
                   now + 1.3),
                  ('http://127.0.0.1:6020/recon/time',
                   now,
                   200,
                   now,
                   now),
              ]
  
          cli = recon.SwiftRecon()
          cli.pool.imap = dummy_request
  
          default_calls = [
              mock.call("!! http://127.0.0.1:6010/recon/time current time is "
                        "2015-04-25 22:13:21, but remote is "
                        "2015-04-25 22:13:20, differs by 1.30 sec"),
              mock.call('1/2 hosts matched, 0 error[s] while checking hosts.'),
          ]
  
          cli.time_check([('127.0.0.1', 6010), ('127.0.0.1', 6020)])
  
          # We need any_order=True because the order of calls depends on the dict
          # that is returned from the recon middleware, thus can't rely on it
          mock_print.assert_has_calls(default_calls, any_order=True)
  
      @mock.patch('six.moves.builtins.print')
      @mock.patch('swift.cli.recon.SwiftRecon.get_hosts')
      def test_multiple_server_types(self, mock_get_hosts, mock_print):
          mock_get_hosts.return_value = set([('127.0.0.1', 10000)])
  
          self.recon.object_auditor_check = mock.MagicMock()
          self.recon.auditor_check = mock.MagicMock()
  
          with mock.patch.object(
                  sys, 'argv',
                  ["prog", "account", "container", "object", "--auditor"]):
              self.recon.main()
          expected_calls = [
              mock.call("--> Starting reconnaissance on 1 hosts (account)"),
              mock.call("--> Starting reconnaissance on 1 hosts (container)"),
              mock.call("--> Starting reconnaissance on 1 hosts (object)"),
          ]
          mock_print.assert_has_calls(expected_calls, any_order=True)
  
          expected = mock.call(set([('127.0.0.1', 10000)]))
          self.recon.object_auditor_check.assert_has_calls([expected])
          # Two calls expected - one account, one container
          self.recon.auditor_check.assert_has_calls([expected, expected])
  