test.py 11.1 KB
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##############################################################################
#
# Copyright (c) 2018 Nexedi SA and Contributors. All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

import os
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import unittest
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import paramiko
import contextlib
import base64
import hashlib
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import subprocess
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from six.moves.urllib.parse import urlparse
from six.moves.urllib.parse import quote
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from six.moves.urllib.parse import urljoin
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from six.moves.configparser import ConfigParser
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import requests
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from slapos.recipe.librecipe import generateHashFromFiles
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from slapos.testing.testcase import makeModuleSetUpAndTestCaseClass
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setUpModule, SlapOSInstanceTestCase = makeModuleSetUpAndTestCaseClass(
    os.path.abspath(
        os.path.join(os.path.dirname(__file__), '..', 'software.cfg')))
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class SlaprunnerTestCase(SlapOSInstanceTestCase):
  # Slaprunner uses unix sockets, so it needs short paths.
  __partition_reference__ = 's'
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class TestWeb(SlaprunnerTestCase):
  def test_slaprunner(self):
    # slaprunner main interface is password protected
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    url = parameter_dict['url']
    resp = requests.get(url, verify=False)
    self.assertEqual(requests.codes.unauthorized, resp.status_code)
    resp = requests.get(
        url,
        verify=False,
        auth=(parameter_dict['init-user'], parameter_dict['init-password']))
    self.assertEqual(requests.codes.ok, resp.status_code)
    self.assertIn('SlapOS', resp.text)

  def test_shellinabox(self):
    # shellinabox exists at /shellinabox and is password protected
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    url = urljoin(parameter_dict['url'], '/shellinabox')
    resp = requests.get(url, verify=False)
    self.assertEqual(requests.codes.unauthorized, resp.status_code)
    resp = requests.get(
        url,
        verify=False,
        auth=(parameter_dict['init-user'], parameter_dict['init-password']))
    self.assertEqual(requests.codes.ok, resp.status_code)
    self.assertIn('ShellInABox', resp.text)
    self.assertNotIn('SlapOS', resp.text)

  def test_public_url(self):
    # ~/srv/runner/public/ is served over http
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    public_url = parameter_dict['public-url']

    hello_file = os.path.join(
        self.computer_partition_root_path,
        'srv',
        'runner',
        'public',
        'hello.html')
    self.addCleanup(os.remove, hello_file)
    with open(hello_file, 'w') as f:
      f.write('<b>Hello</b>')

    index = requests.get(public_url, verify=False)
    self.assertEqual(requests.codes.ok, index.status_code)
    self.assertIn('hello.html', index.text)

    hello = requests.get(urljoin(public_url, 'hello.html'), verify=False)
    self.assertEqual(requests.codes.ok, hello.status_code)
    self.assertIn('<b>Hello</b>', hello.text)

  # git seems broken, these are 404 now...
  @unittest.expectedFailure
  def test_git_private(self):
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    url = parameter_dict['git-private']
    resp = requests.get(url, verify=False)
    self.assertEqual(requests.codes.unauthorized, resp.status_code)
    resp = requests.get(
        url,
        verify=False,
        auth=(parameter_dict['init-user'], parameter_dict['init-password']))
    self.assertEqual(requests.codes.ok, resp.status_code)

  @unittest.expectedFailure
  def test_git_public(self):
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    url = parameter_dict['git-public']
    resp = requests.get(url, verify=False)
    self.assertEqual(requests.codes.ok, resp.status_code)


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class TestSSH(SlaprunnerTestCase):
  @classmethod
  def getInstanceParameterDict(cls):
    cls.ssh_key = paramiko.RSAKey.generate(1024)
    return {
        'user-authorized-key': 'ssh-rsa {}'.format(cls.ssh_key.get_base64())
    }

  def test_connect(self):
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    ssh_url = parameter_dict['ssh-url']
    parsed = urlparse(ssh_url)
    self.assertEqual('ssh', parsed.scheme)

    # username contain a fingerprint (only, so we simplify the parsing)
    #
    # relevant parts of the grammar defined in
    # https://tools.ietf.org/id/draft-salowey-secsh-uri-00.html
    #
    #   ssh-info      =  [ userinfo ] [";" c-param *("," c-param)]
    #   c-param       =  paramname "=" paramvalue
    ssh_info = parsed.username
    username, fingerprint_from_url = ssh_info.split(';fingerprint=')
    client = paramiko.SSHClient()

    self.assertTrue(fingerprint_from_url.startswith('ssh-rsa-'), '')
    fingerprint_from_url = fingerprint_from_url[len('ssh-rsa-'):]

    class KeyPolicy(object):
      """Accept server key and keep it in self.key for inspection
      """
      def missing_host_key(self, client, hostname, key):
        self.key = key

    key_policy = KeyPolicy()
    client.set_missing_host_key_policy(key_policy)

    with contextlib.closing(client):
      client.connect(
          username=username,
          hostname=parsed.hostname,
          port=parsed.port,
          pkey=self.ssh_key,
      )
      # Check fingerprint from server matches the published one.
      # Paramiko does not allow to get the fingerprint as SHA256 easily yet
      # https://github.com/paramiko/paramiko/pull/1103
      self.assertEqual(
          fingerprint_from_url,
          quote(
              # base64 encoded fingerprint adds an extra = at the end
              base64.b64encode(
                  hashlib.sha256(key_policy.key.asbytes()).digest())[:-1],
              # also encode /
              safe=''))

      # Check shell is usable
      channel = client.invoke_shell()
      channel.settimeout(30)
      received = ''
      while True:
        r = channel.recv(1024)
        self.logger.debug("received >%s<", r)
        if not r:
          break
        received += r
        if 'slaprunner shell' in received:
          break
      self.assertIn("Welcome to SlapOS slaprunner shell", received)

      # simple commands can also be executed ( this would be like `ssh bash -c 'pwd'` )
      self.assertEqual(
          self.computer_partition_root_path,
          client.exec_command("pwd")[1].read(1000).strip())


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class TestSlapOS(SlaprunnerTestCase):
  def test_slapos_command(self):
    # in ~/bin/slapos there is a wrapper setting configuration to use slapos from
    # the web runner.
    proxy_show_output = subprocess.check_output(
        (
            os.path.join(self.computer_partition_root_path, 'bin', 'slapos'),
            'proxy',
            'show',
        ),
        env={})
    self.assertIn('slaprunner', proxy_show_output)

  def test_shared_part_list(self):
    # this slapos used shared_part_list
    cfg_parser = ConfigParser()
    with open(os.path.join(self.computer_partition_root_path,
                           'etc',
                           'slapos.cfg')) as f:
      cfg_parser.readfp(f)
    shared_part_list = cfg_parser.get('slapos', 'shared_part_list').splitlines()

    # web runner own shared parts. Note that there is intentionnaly a double
    # slash in this path, because slaprunner has double slash in paths since
    # early releases, including for the path of slapos repository that will be
    # used to develop and install software. If we fix this duplication, then
    # the URL of installed software will be different and it will get a different
    # hash and be reinstalled. To prevent this, we keep that // between srv and runner.
    self.assertEqual(
        '{}/srv//runner//shared'.format(self.computer_partition_root_path.rstrip('/')),
        shared_part_list[-1])

    # shared parts from outer slapos
    outer_shared_part_list = os.getenv('SLAPOS_TEST_SHARED_PART_LIST',
                                       '').split(os.pathsep)
    for outer_shared_part in outer_shared_part_list:
      self.assertIn(outer_shared_part, shared_part_list)


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class ServicesTestCase(SlaprunnerTestCase):
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  def test_hashes(self):
    hash_files = [
      'software_release/buildout.cfg',
    ]
    expected_process_names = [
      'slaprunner-supervisord-{hash}-on-watch',
      'runner-sshkeys-authority-{hash}-on-watch',
      'runner-sshd-{hash}-on-watch',
      'slaprunner-httpd-{hash}-on-watch',
      'gunicorn-{hash}-on-watch',
      'nginx-frontend-{hash}-on-watch',
      'certificate_authority-{hash}-on-watch',
      'shellinaboxd-{hash}-on-watch',
      'supervisord-{hash}-on-watch',
    ]

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    with self.slap.instance_supervisor_rpc as supervisor:
      process_names = [
          process['name'] for process in supervisor.getAllProcessInfo()
      ]
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    hash_files = [os.path.join(self.computer_partition_root_path, path)
                  for path in hash_files]

    for name in expected_process_names:
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      h = generateHashFromFiles(hash_files)
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      expected_process_name = name.format(hash=h)

      self.assertIn(expected_process_name, process_names)
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class TestInstanceResilient(SlaprunnerTestCase):
  instance_max_retry = 20
  @classmethod
  def getInstanceSoftwareType(cls):
    return 'resilient'

  def test(self):
    # just check that keys returned on requested partition are for resilient
    self.assertSetEqual(
      set(self.computer_partition.getConnectionParameterDict().keys()),
      set([
        'backend-url',
        'feed-url-runner-1-pull',
        'feed-url-runner-1-push',
        'git-private-url',
        'git-public-url',
        'init-password',
        'init-user',
        'monitor-base-url',
        'monitor-setup-url',
        'public-url',
        'ssh-command',
        'takeover-runner-1-password',
        'takeover-runner-1-url',
        'url',
        'webdav-url']))
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class TestCustomFrontend(SlaprunnerTestCase):
  @classmethod
  def getInstanceParameterDict(cls):
    return {
      'custom-frontend-backend-url': 'https://www.erp5.com',
      'custom-frontend-backend-type': 'redirect',
    }

  def test(self):
    parameter_dict = self.computer_partition.getConnectionParameterDict()
    self.assertEqual(
      parameter_dict['custom-frontend-url'],
      'https://www.erp5.com')