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ansible/test/units/plugins/connection/test_ssh.py
David Lee Whiteside 805799ac8b
add pkcs11 support to Ansible ssh connection module (#32829) 
* rebased with upstream

* removed extra usetty as it wasnt needed, style changes, added var option setable by inventory for pkcs11

* update pkcs11_provider version_added

* Update lib/ansible/plugins/connection/ssh.py

Co-authored-by: Jordan Borean <jborean93@gmail.com>

* Update lib/ansible/plugins/connection/ssh.py

Correct logic for a password being required for pkcs11_provider

Co-authored-by: Jordan Borean <jborean93@gmail.com>

* style nit fixes for checking pkcs11_provider is set

* fixed duplication when using password_prompt with pkcs11_provider

* added changelog fragment

* added changelog fragment

Co-authored-by: David Whiteside <david.whiteside@nrel.gov>
Co-authored-by: Matt Davis <nitzmahone@users.noreply.github.com>
Co-authored-by: Jordan Borean <jborean93@gmail.com>
2021-06-02 12:32:43 +10:00

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# -*- coding: utf-8 -*-
# (c) 2015, Toshio Kuratomi <tkuratomi@ansible.com>
#
# This file is part of Ansible
#
# Ansible 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.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from io import StringIO
import pytest
from ansible import constants as C
from ansible.errors import AnsibleAuthenticationFailure
from units.compat import unittest
from units.compat.mock import patch, MagicMock, PropertyMock
from ansible.errors import AnsibleError, AnsibleConnectionFailure, AnsibleFileNotFound
from ansible.module_utils.compat.selectors import SelectorKey, EVENT_READ
from ansible.module_utils.six.moves import shlex_quote
from ansible.module_utils._text import to_bytes
from ansible.playbook.play_context import PlayContext
from ansible.plugins.connection import ssh
from ansible.plugins.loader import connection_loader, become_loader
class TestConnectionBaseClass(unittest.TestCase):
def test_plugins_connection_ssh_module(self):
play_context = PlayContext()
play_context.prompt = (
'[sudo via ansible, key=ouzmdnewuhucvuaabtjmweasarviygqq] password: '
)
in_stream = StringIO()
self.assertIsInstance(ssh.Connection(play_context, in_stream), ssh.Connection)
def test_plugins_connection_ssh_basic(self):
pc = PlayContext()
new_stdin = StringIO()
conn = ssh.Connection(pc, new_stdin)
# connect just returns self, so assert that
res = conn._connect()
self.assertEqual(conn, res)
ssh.SSHPASS_AVAILABLE = False
self.assertFalse(conn._sshpass_available())
ssh.SSHPASS_AVAILABLE = True
self.assertTrue(conn._sshpass_available())
with patch('subprocess.Popen') as p:
ssh.SSHPASS_AVAILABLE = None
p.return_value = MagicMock()
self.assertTrue(conn._sshpass_available())
ssh.SSHPASS_AVAILABLE = None
p.return_value = None
p.side_effect = OSError()
self.assertFalse(conn._sshpass_available())
conn.close()
self.assertFalse(conn._connected)
def test_plugins_connection_ssh__build_command(self):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn.get_option = MagicMock()
conn.get_option.return_value = ""
conn._build_command('ssh', 'ssh')
def test_plugins_connection_ssh_exec_command(self):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn._build_command = MagicMock()
conn._build_command.return_value = 'ssh something something'
conn._run = MagicMock()
conn._run.return_value = (0, 'stdout', 'stderr')
conn.get_option = MagicMock()
conn.get_option.return_value = True
res, stdout, stderr = conn.exec_command('ssh')
res, stdout, stderr = conn.exec_command('ssh', 'this is some data')
def test_plugins_connection_ssh__examine_output(self):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn.set_become_plugin(become_loader.get('sudo'))
conn.become.check_password_prompt = MagicMock()
conn.become.check_success = MagicMock()
conn.become.check_incorrect_password = MagicMock()
conn.become.check_missing_password = MagicMock()
def _check_password_prompt(line):
if b'foo' in line:
return True
return False
def _check_become_success(line):
if b'BECOME-SUCCESS-abcdefghijklmnopqrstuvxyz' in line:
return True
return False
def _check_incorrect_password(line):
if b'incorrect password' in line:
return True
return False
def _check_missing_password(line):
if b'bad password' in line:
return True
return False
# test examining output for prompt
conn._flags = dict(
become_prompt=False,
become_success=False,
become_error=False,
become_nopasswd_error=False,
)
pc.prompt = True
# override become plugin
conn.become.prompt = True
conn.become.check_password_prompt = MagicMock(side_effect=_check_password_prompt)
conn.become.check_success = MagicMock(side_effect=_check_become_success)
conn.become.check_incorrect_password = MagicMock(side_effect=_check_incorrect_password)
conn.become.check_missing_password = MagicMock(side_effect=_check_missing_password)
def get_option(option):
if option == 'become_pass':
return 'password'
return None
conn.become.get_option = get_option
output, unprocessed = conn._examine_output(u'source', u'state', b'line 1\nline 2\nfoo\nline 3\nthis should be the remainder', False)
self.assertEqual(output, b'line 1\nline 2\nline 3\n')
self.assertEqual(unprocessed, b'this should be the remainder')
self.assertTrue(conn._flags['become_prompt'])
self.assertFalse(conn._flags['become_success'])
self.assertFalse(conn._flags['become_error'])
self.assertFalse(conn._flags['become_nopasswd_error'])
# test examining output for become prompt
conn._flags = dict(
become_prompt=False,
become_success=False,
become_error=False,
become_nopasswd_error=False,
)
pc.prompt = False
conn.become.prompt = False
pc.success_key = u'BECOME-SUCCESS-abcdefghijklmnopqrstuvxyz'
conn.become.success = u'BECOME-SUCCESS-abcdefghijklmnopqrstuvxyz'
output, unprocessed = conn._examine_output(u'source', u'state', b'line 1\nline 2\nBECOME-SUCCESS-abcdefghijklmnopqrstuvxyz\nline 3\n', False)
self.assertEqual(output, b'line 1\nline 2\nline 3\n')
self.assertEqual(unprocessed, b'')
self.assertFalse(conn._flags['become_prompt'])
self.assertTrue(conn._flags['become_success'])
self.assertFalse(conn._flags['become_error'])
self.assertFalse(conn._flags['become_nopasswd_error'])
# test examining output for become failure
conn._flags = dict(
become_prompt=False,
become_success=False,
become_error=False,
become_nopasswd_error=False,
)
pc.prompt = False
conn.become.prompt = False
pc.success_key = None
output, unprocessed = conn._examine_output(u'source', u'state', b'line 1\nline 2\nincorrect password\n', True)
self.assertEqual(output, b'line 1\nline 2\nincorrect password\n')
self.assertEqual(unprocessed, b'')
self.assertFalse(conn._flags['become_prompt'])
self.assertFalse(conn._flags['become_success'])
self.assertTrue(conn._flags['become_error'])
self.assertFalse(conn._flags['become_nopasswd_error'])
# test examining output for missing password
conn._flags = dict(
become_prompt=False,
become_success=False,
become_error=False,
become_nopasswd_error=False,
)
pc.prompt = False
conn.become.prompt = False
pc.success_key = None
output, unprocessed = conn._examine_output(u'source', u'state', b'line 1\nbad password\n', True)
self.assertEqual(output, b'line 1\nbad password\n')
self.assertEqual(unprocessed, b'')
self.assertFalse(conn._flags['become_prompt'])
self.assertFalse(conn._flags['become_success'])
self.assertFalse(conn._flags['become_error'])
self.assertTrue(conn._flags['become_nopasswd_error'])
@patch('time.sleep')
@patch('os.path.exists')
def test_plugins_connection_ssh_put_file(self, mock_ospe, mock_sleep):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn._build_command = MagicMock()
conn._bare_run = MagicMock()
mock_ospe.return_value = True
conn._build_command.return_value = 'some command to run'
conn._bare_run.return_value = (0, '', '')
conn.host = "some_host"
conn.set_option('retries', 9)
conn.set_option('ssh_transfer_method', None) # unless set to None scp_if_ssh is ignored
# Test with SCP_IF_SSH set to smart
# Test when SFTP works
conn.set_option('scp_if_ssh', 'smart')
expected_in_data = b' '.join((b'put', to_bytes(shlex_quote('/path/to/in/file')), to_bytes(shlex_quote('/path/to/dest/file')))) + b'\n'
conn.put_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
# Test when SFTP doesn't work but SCP does
conn._bare_run.side_effect = [(1, 'stdout', 'some errors'), (0, '', '')]
conn.put_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
conn._bare_run.side_effect = None
# test with SCP_IF_SSH enabled
conn.set_option('scp_if_ssh', True)
conn.put_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
conn.put_file(u'/path/to/in/file/with/unicode-fö〩', u'/path/to/dest/file/with/unicode-fö〩')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
# test with SCPP_IF_SSH disabled
conn.set_option('scp_if_ssh', False)
expected_in_data = b' '.join((b'put', to_bytes(shlex_quote('/path/to/in/file')), to_bytes(shlex_quote('/path/to/dest/file')))) + b'\n'
conn.put_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
expected_in_data = b' '.join((b'put',
to_bytes(shlex_quote('/path/to/in/file/with/unicode-fö〩')),
to_bytes(shlex_quote('/path/to/dest/file/with/unicode-fö〩')))) + b'\n'
conn.put_file(u'/path/to/in/file/with/unicode-fö〩', u'/path/to/dest/file/with/unicode-fö〩')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
# test that a non-zero rc raises an error
conn._bare_run.return_value = (1, 'stdout', 'some errors')
self.assertRaises(AnsibleError, conn.put_file, '/path/to/bad/file', '/remote/path/to/file')
# test that a not-found path raises an error
mock_ospe.return_value = False
conn._bare_run.return_value = (0, 'stdout', '')
self.assertRaises(AnsibleFileNotFound, conn.put_file, '/path/to/bad/file', '/remote/path/to/file')
@patch('time.sleep')
def test_plugins_connection_ssh_fetch_file(self, mock_sleep):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn._build_command = MagicMock()
conn._bare_run = MagicMock()
conn._load_name = 'ssh'
conn._build_command.return_value = 'some command to run'
conn._bare_run.return_value = (0, '', '')
conn.host = "some_host"
conn.set_option('retries', 9)
conn.set_option('ssh_transfer_method', None) # unless set to None scp_if_ssh is ignored
# Test with SCP_IF_SSH set to smart
# Test when SFTP works
conn.set_option('scp_if_ssh', 'smart')
expected_in_data = b' '.join((b'get', to_bytes(shlex_quote('/path/to/in/file')), to_bytes(shlex_quote('/path/to/dest/file')))) + b'\n'
conn.set_options({})
conn.fetch_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
# Test when SFTP doesn't work but SCP does
conn._bare_run.side_effect = [(1, 'stdout', 'some errors'), (0, '', '')]
conn.fetch_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
# test with SCP_IF_SSH enabled
conn._bare_run.side_effect = None
conn.set_option('ssh_transfer_method', None) # unless set to None scp_if_ssh is ignored
conn.set_option('scp_if_ssh', 'True')
conn.fetch_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
conn.fetch_file(u'/path/to/in/file/with/unicode-fö〩', u'/path/to/dest/file/with/unicode-fö〩')
conn._bare_run.assert_called_with('some command to run', None, checkrc=False)
# test with SCP_IF_SSH disabled
conn.set_option('scp_if_ssh', False)
expected_in_data = b' '.join((b'get', to_bytes(shlex_quote('/path/to/in/file')), to_bytes(shlex_quote('/path/to/dest/file')))) + b'\n'
conn.fetch_file('/path/to/in/file', '/path/to/dest/file')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
expected_in_data = b' '.join((b'get',
to_bytes(shlex_quote('/path/to/in/file/with/unicode-fö〩')),
to_bytes(shlex_quote('/path/to/dest/file/with/unicode-fö〩')))) + b'\n'
conn.fetch_file(u'/path/to/in/file/with/unicode-fö〩', u'/path/to/dest/file/with/unicode-fö〩')
conn._bare_run.assert_called_with('some command to run', expected_in_data, checkrc=False)
# test that a non-zero rc raises an error
conn._bare_run.return_value = (1, 'stdout', 'some errors')
self.assertRaises(AnsibleError, conn.fetch_file, '/path/to/bad/file', '/remote/path/to/file')
class MockSelector(object):
def __init__(self):
self.files_watched = 0
self.register = MagicMock(side_effect=self._register)
self.unregister = MagicMock(side_effect=self._unregister)
self.close = MagicMock()
self.get_map = MagicMock(side_effect=self._get_map)
self.select = MagicMock()
def _register(self, *args, **kwargs):
self.files_watched += 1
def _unregister(self, *args, **kwargs):
self.files_watched -= 1
def _get_map(self, *args, **kwargs):
return self.files_watched
@pytest.fixture
def mock_run_env(request, mocker):
pc = PlayContext()
new_stdin = StringIO()
conn = connection_loader.get('ssh', pc, new_stdin)
conn.set_become_plugin(become_loader.get('sudo'))
conn._send_initial_data = MagicMock()
conn._examine_output = MagicMock()
conn._terminate_process = MagicMock()
conn._load_name = 'ssh'
conn.sshpass_pipe = [MagicMock(), MagicMock()]
request.cls.pc = pc
request.cls.conn = conn
mock_popen_res = MagicMock()
mock_popen_res.poll = MagicMock()
mock_popen_res.wait = MagicMock()
mock_popen_res.stdin = MagicMock()
mock_popen_res.stdin.fileno.return_value = 1000
mock_popen_res.stdout = MagicMock()
mock_popen_res.stdout.fileno.return_value = 1001
mock_popen_res.stderr = MagicMock()
mock_popen_res.stderr.fileno.return_value = 1002
mock_popen_res.returncode = 0
request.cls.mock_popen_res = mock_popen_res
mock_popen = mocker.patch('subprocess.Popen', return_value=mock_popen_res)
request.cls.mock_popen = mock_popen
request.cls.mock_selector = MockSelector()
mocker.patch('ansible.module_utils.compat.selectors.DefaultSelector', lambda: request.cls.mock_selector)
request.cls.mock_openpty = mocker.patch('pty.openpty')
mocker.patch('fcntl.fcntl')
mocker.patch('os.write')
mocker.patch('os.close')
@pytest.mark.usefixtures('mock_run_env')
class TestSSHConnectionRun(object):
# FIXME:
# These tests are little more than a smoketest. Need to enhance them
# a bit to check that they're calling the relevant functions and making
# complete coverage of the code paths
def test_no_escalation(self):
self.mock_popen_res.stdout.read.side_effect = [b"my_stdout\n", b"second_line"]
self.mock_popen_res.stderr.read.side_effect = [b"my_stderr"]
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[]]
self.mock_selector.get_map.side_effect = lambda: True
return_code, b_stdout, b_stderr = self.conn._run("ssh", "this is input data")
assert return_code == 0
assert b_stdout == b'my_stdout\nsecond_line'
assert b_stderr == b'my_stderr'
assert self.mock_selector.register.called is True
assert self.mock_selector.register.call_count == 2
assert self.conn._send_initial_data.called is True
assert self.conn._send_initial_data.call_count == 1
assert self.conn._send_initial_data.call_args[0][1] == 'this is input data'
def test_with_password(self):
# test with a password set to trigger the sshpass write
self.pc.password = '12345'
self.mock_popen_res.stdout.read.side_effect = [b"some data", b"", b""]
self.mock_popen_res.stderr.read.side_effect = [b""]
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[]]
self.mock_selector.get_map.side_effect = lambda: True
return_code, b_stdout, b_stderr = self.conn._run(["ssh", "is", "a", "cmd"], "this is more data")
assert return_code == 0
assert b_stdout == b'some data'
assert b_stderr == b''
assert self.mock_selector.register.called is True
assert self.mock_selector.register.call_count == 2
assert self.conn._send_initial_data.called is True
assert self.conn._send_initial_data.call_count == 1
assert self.conn._send_initial_data.call_args[0][1] == 'this is more data'
def _password_with_prompt_examine_output(self, sourice, state, b_chunk, sudoable):
if state == 'awaiting_prompt':
self.conn._flags['become_prompt'] = True
elif state == 'awaiting_escalation':
self.conn._flags['become_success'] = True
return (b'', b'')
def test_password_with_prompt(self):
# test with password prompting enabled
self.pc.password = None
self.conn.become.prompt = b'Password:'
self.conn._examine_output.side_effect = self._password_with_prompt_examine_output
self.mock_popen_res.stdout.read.side_effect = [b"Password:", b"Success", b""]
self.mock_popen_res.stderr.read.side_effect = [b""]
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ),
(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[]]
self.mock_selector.get_map.side_effect = lambda: True
return_code, b_stdout, b_stderr = self.conn._run("ssh", "this is input data")
assert return_code == 0
assert b_stdout == b''
assert b_stderr == b''
assert self.mock_selector.register.called is True
assert self.mock_selector.register.call_count == 2
assert self.conn._send_initial_data.called is True
assert self.conn._send_initial_data.call_count == 1
assert self.conn._send_initial_data.call_args[0][1] == 'this is input data'
def test_password_with_become(self):
# test with some become settings
self.pc.prompt = b'Password:'
self.conn.become.prompt = b'Password:'
self.pc.become = True
self.pc.success_key = 'BECOME-SUCCESS-abcdefg'
self.conn.become._id = 'abcdefg'
self.conn._examine_output.side_effect = self._password_with_prompt_examine_output
self.mock_popen_res.stdout.read.side_effect = [b"Password:", b"BECOME-SUCCESS-abcdefg", b"abc"]
self.mock_popen_res.stderr.read.side_effect = [b"123"]
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[]]
self.mock_selector.get_map.side_effect = lambda: True
return_code, b_stdout, b_stderr = self.conn._run("ssh", "this is input data")
self.mock_popen_res.stdin.flush.assert_called_once_with()
assert return_code == 0
assert b_stdout == b'abc'
assert b_stderr == b'123'
assert self.mock_selector.register.called is True
assert self.mock_selector.register.call_count == 2
assert self.conn._send_initial_data.called is True
assert self.conn._send_initial_data.call_count == 1
assert self.conn._send_initial_data.call_args[0][1] == 'this is input data'
def test_pasword_without_data(self):
# simulate no data input but Popen using new pty's fails
self.mock_popen.return_value = None
self.mock_popen.side_effect = [OSError(), self.mock_popen_res]
# simulate no data input
self.mock_openpty.return_value = (98, 99)
self.mock_popen_res.stdout.read.side_effect = [b"some data", b"", b""]
self.mock_popen_res.stderr.read.side_effect = [b""]
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[]]
self.mock_selector.get_map.side_effect = lambda: True
return_code, b_stdout, b_stderr = self.conn._run("ssh", "")
assert return_code == 0
assert b_stdout == b'some data'
assert b_stderr == b''
assert self.mock_selector.register.called is True
assert self.mock_selector.register.call_count == 2
assert self.conn._send_initial_data.called is False
@pytest.mark.usefixtures('mock_run_env')
class TestSSHConnectionRetries(object):
def test_incorrect_password(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 5)
monkeypatch.setattr('time.sleep', lambda x: None)
self.mock_popen_res.stdout.read.side_effect = [b'']
self.mock_popen_res.stderr.read.side_effect = [b'Permission denied, please try again.\r\n']
type(self.mock_popen_res).returncode = PropertyMock(side_effect=[5] * 4)
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[],
]
self.mock_selector.get_map.side_effect = lambda: True
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = [b'sshpass', b'-d41', b'ssh', b'-C']
exception_info = pytest.raises(AnsibleAuthenticationFailure, self.conn.exec_command, 'sshpass', 'some data')
assert exception_info.value.message == ('Invalid/incorrect username/password. Skipping remaining 5 retries to prevent account lockout: '
'Permission denied, please try again.')
assert self.mock_popen.call_count == 1
def test_retry_then_success(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 3)
monkeypatch.setattr('time.sleep', lambda x: None)
self.mock_popen_res.stdout.read.side_effect = [b"", b"my_stdout\n", b"second_line"]
self.mock_popen_res.stderr.read.side_effect = [b"", b"my_stderr"]
type(self.mock_popen_res).returncode = PropertyMock(side_effect=[255] * 3 + [0] * 4)
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[]
]
self.mock_selector.get_map.side_effect = lambda: True
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = 'ssh'
return_code, b_stdout, b_stderr = self.conn.exec_command('ssh', 'some data')
assert return_code == 0
assert b_stdout == b'my_stdout\nsecond_line'
assert b_stderr == b'my_stderr'
def test_multiple_failures(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 9)
monkeypatch.setattr('time.sleep', lambda x: None)
self.mock_popen_res.stdout.read.side_effect = [b""] * 10
self.mock_popen_res.stderr.read.side_effect = [b""] * 10
type(self.mock_popen_res).returncode = PropertyMock(side_effect=[255] * 30)
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[],
] * 10
self.mock_selector.get_map.side_effect = lambda: True
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = 'ssh'
pytest.raises(AnsibleConnectionFailure, self.conn.exec_command, 'ssh', 'some data')
assert self.mock_popen.call_count == 10
def test_abitrary_exceptions(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 9)
monkeypatch.setattr('time.sleep', lambda x: None)
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = 'ssh'
self.mock_popen.side_effect = [Exception('bad')] * 10
pytest.raises(Exception, self.conn.exec_command, 'ssh', 'some data')
assert self.mock_popen.call_count == 10
def test_put_file_retries(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 3)
monkeypatch.setattr('time.sleep', lambda x: None)
monkeypatch.setattr('ansible.plugins.connection.ssh.os.path.exists', lambda x: True)
self.mock_popen_res.stdout.read.side_effect = [b"", b"my_stdout\n", b"second_line"]
self.mock_popen_res.stderr.read.side_effect = [b"", b"my_stderr"]
type(self.mock_popen_res).returncode = PropertyMock(side_effect=[255] * 4 + [0] * 4)
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[]
]
self.mock_selector.get_map.side_effect = lambda: True
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = 'sftp'
return_code, b_stdout, b_stderr = self.conn.put_file('/path/to/in/file', '/path/to/dest/file')
assert return_code == 0
assert b_stdout == b"my_stdout\nsecond_line"
assert b_stderr == b"my_stderr"
assert self.mock_popen.call_count == 2
def test_fetch_file_retries(self, monkeypatch):
self.conn.set_option('host_key_checking', False)
self.conn.set_option('retries', 3)
monkeypatch.setattr('time.sleep', lambda x: None)
monkeypatch.setattr('ansible.plugins.connection.ssh.os.path.exists', lambda x: True)
self.mock_popen_res.stdout.read.side_effect = [b"", b"my_stdout\n", b"second_line"]
self.mock_popen_res.stderr.read.side_effect = [b"", b"my_stderr"]
type(self.mock_popen_res).returncode = PropertyMock(side_effect=[255] * 4 + [0] * 4)
self.mock_selector.select.side_effect = [
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stdout, 1001, [EVENT_READ], None), EVENT_READ)],
[(SelectorKey(self.mock_popen_res.stderr, 1002, [EVENT_READ], None), EVENT_READ)],
[]
]
self.mock_selector.get_map.side_effect = lambda: True
self.conn._build_command = MagicMock()
self.conn._build_command.return_value = 'sftp'
return_code, b_stdout, b_stderr = self.conn.fetch_file('/path/to/in/file', '/path/to/dest/file')
assert return_code == 0
assert b_stdout == b"my_stdout\nsecond_line"
assert b_stderr == b"my_stderr"
assert self.mock_popen.call_count == 2
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