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re-enable non-pipelined mode for Powershell (#25012)

* fixes #23986
* fixes 3rd-party Windows connection plugins that don't support pipelining (eg awsrun)
This commit is contained in:
Matt Davis 2017-06-26 22:58:09 -07:00 committed by GitHub
parent b41c42cf0d
commit 36ad934156
7 changed files with 128 additions and 121 deletions

View file

@ -37,7 +37,7 @@ from ansible import constants as C
from ansible.errors import AnsibleError from ansible.errors import AnsibleError
from ansible.module_utils._text import to_bytes, to_text from ansible.module_utils._text import to_bytes, to_text
from ansible.plugins import module_utils_loader from ansible.plugins import module_utils_loader
from ansible.plugins.shell.powershell import async_watchdog, async_wrapper, become_wrapper, leaf_exec from ansible.plugins.shell.powershell import async_watchdog, async_wrapper, become_wrapper, leaf_exec, exec_wrapper
# Must import strategy and use write_locks from there # Must import strategy and use write_locks from there
# If we import write_locks directly then we end up binding a # If we import write_locks directly then we end up binding a
# variable to the object and then it never gets updated. # variable to the object and then it never gets updated.
@ -598,7 +598,8 @@ def _is_binary(b_module_data):
return bool(start.translate(None, textchars)) return bool(start.translate(None, textchars))
def _find_module_utils(module_name, b_module_data, module_path, module_args, task_vars, module_compression): def _find_module_utils(module_name, b_module_data, module_path, module_args, task_vars, module_compression, async_timeout, become,
become_method, become_user, become_password, environment):
""" """
Given the source of the module, convert it to a Jinja2 template to insert Given the source of the module, convert it to a Jinja2 template to insert
module code and return whether it's a new or old style module. module code and return whether it's a new or old style module.
@ -758,8 +759,55 @@ def _find_module_utils(module_name, b_module_data, module_path, module_args, tas
# Windows text editors # Windows text editors
shebang = u'#!powershell' shebang = u'#!powershell'
# powershell wrapper build is currently handled in build_windows_module_payload, called in action exec_manifest = dict(
# _configure_module after this function returns. module_entry=to_text(base64.b64encode(b_module_data)),
powershell_modules=dict(),
module_args=module_args,
actions=['exec'],
environment=environment
)
exec_manifest['exec'] = to_text(base64.b64encode(to_bytes(leaf_exec)))
if async_timeout > 0:
exec_manifest["actions"].insert(0, 'async_watchdog')
exec_manifest["async_watchdog"] = to_text(base64.b64encode(to_bytes(async_watchdog)))
exec_manifest["actions"].insert(0, 'async_wrapper')
exec_manifest["async_wrapper"] = to_text(base64.b64encode(to_bytes(async_wrapper)))
exec_manifest["async_jid"] = str(random.randint(0, 999999999999))
exec_manifest["async_timeout_sec"] = async_timeout
if become and become_method == 'runas':
exec_manifest["actions"].insert(0, 'become')
exec_manifest["become_user"] = become_user
exec_manifest["become_password"] = become_password
exec_manifest["become"] = to_text(base64.b64encode(to_bytes(become_wrapper)))
lines = b_module_data.split(b'\n')
module_names = set()
requires_module_list = re.compile(r'(?i)^#requires \-module(?:s?) (.+)')
for line in lines:
# legacy, equivalent to #Requires -Modules powershell
if REPLACER_WINDOWS in line:
module_names.add(b'powershell')
# TODO: add #Requires checks for Ansible.ModuleUtils.X
for m in module_names:
m = to_text(m)
exec_manifest["powershell_modules"][m] = to_text(
base64.b64encode(
to_bytes(
_slurp(os.path.join(_MODULE_UTILS_PATH, m + ".ps1"))
)
)
)
# FUTURE: smuggle this back as a dict instead of serializing here; the connection plugin may need to modify it
module_json = json.dumps(exec_manifest)
b_module_data = exec_wrapper.replace(b"$json_raw = ''", b"$json_raw = @'\r\n%s\r\n'@" % to_bytes(module_json))
elif module_substyle == 'jsonargs': elif module_substyle == 'jsonargs':
module_args_json = to_bytes(json.dumps(module_args)) module_args_json = to_bytes(json.dumps(module_args))
@ -783,7 +831,8 @@ def _find_module_utils(module_name, b_module_data, module_path, module_args, tas
return (b_module_data, module_style, shebang) return (b_module_data, module_style, shebang)
def modify_module(module_name, module_path, module_args, task_vars=dict(), module_compression='ZIP_STORED'): def modify_module(module_name, module_path, module_args, task_vars=dict(), module_compression='ZIP_STORED', async_timeout=0, become=False,
become_method=None, become_user=None, become_password=None, environment=dict()):
""" """
Used to insert chunks of code into modules before transfer rather than Used to insert chunks of code into modules before transfer rather than
doing regular python imports. This allows for more efficient transfer in doing regular python imports. This allows for more efficient transfer in
@ -809,7 +858,10 @@ def modify_module(module_name, module_path, module_args, task_vars=dict(), modul
# read in the module source # read in the module source
b_module_data = f.read() b_module_data = f.read()
(b_module_data, module_style, shebang) = _find_module_utils(module_name, b_module_data, module_path, module_args, task_vars, module_compression) (b_module_data, module_style, shebang) = _find_module_utils(module_name, b_module_data, module_path, module_args, task_vars, module_compression,
async_timeout=async_timeout, become=become, become_method=become_method,
become_user=become_user, become_password=become_password,
environment=environment)
if module_style == 'binary': if module_style == 'binary':
return (b_module_data, module_style, to_text(shebang, nonstring='passthru')) return (b_module_data, module_style, to_text(shebang, nonstring='passthru'))
@ -836,55 +888,3 @@ def modify_module(module_name, module_path, module_args, task_vars=dict(), modul
shebang = to_bytes(shebang, errors='surrogate_or_strict') shebang = to_bytes(shebang, errors='surrogate_or_strict')
return (b_module_data, module_style, to_text(shebang, nonstring='passthru')) return (b_module_data, module_style, to_text(shebang, nonstring='passthru'))
def build_windows_module_payload(module_name, module_path, b_module_data, module_args, task_vars, task, play_context, environment):
exec_manifest = dict(
module_entry=to_text(base64.b64encode(b_module_data)),
powershell_modules=dict(),
module_args=module_args,
actions=['exec'],
environment=environment
)
exec_manifest['exec'] = to_text(base64.b64encode(to_bytes(leaf_exec)))
if task.async > 0:
exec_manifest["actions"].insert(0, 'async_watchdog')
exec_manifest["async_watchdog"] = to_text(base64.b64encode(to_bytes(async_watchdog)))
exec_manifest["actions"].insert(0, 'async_wrapper')
exec_manifest["async_wrapper"] = to_text(base64.b64encode(to_bytes(async_wrapper)))
exec_manifest["async_jid"] = str(random.randint(0, 999999999999))
exec_manifest["async_timeout_sec"] = task.async
if play_context.become and play_context.become_method == 'runas':
exec_manifest["actions"].insert(0, 'become')
exec_manifest["become_user"] = play_context.become_user
exec_manifest["become_password"] = play_context.become_pass
exec_manifest["become"] = to_text(base64.b64encode(to_bytes(become_wrapper)))
lines = b_module_data.split(b'\n')
module_names = set()
requires_module_list = re.compile(r'(?i)^#requires \-module(?:s?) (.+)')
for line in lines:
# legacy, equivalent to #Requires -Modules powershell
if REPLACER_WINDOWS in line:
module_names.add(b'powershell')
# TODO: add #Requires checks for Ansible.ModuleUtils.X
for m in module_names:
m = to_text(m)
exec_manifest["powershell_modules"][m] = to_text(
base64.b64encode(
to_bytes(
_slurp(os.path.join(_MODULE_UTILS_PATH, m + ".ps1"))
)
)
)
# FUTURE: smuggle this back as a dict instead of serializing here; the connection plugin may need to modify it
b_module_data = json.dumps(exec_manifest)
return b_module_data

View file

@ -31,7 +31,7 @@ from abc import ABCMeta, abstractmethod
from ansible import constants as C from ansible import constants as C
from ansible.errors import AnsibleError, AnsibleConnectionFailure, AnsibleActionSkip, AnsibleActionFail from ansible.errors import AnsibleError, AnsibleConnectionFailure, AnsibleActionSkip, AnsibleActionFail
from ansible.executor.module_common import modify_module, build_windows_module_payload from ansible.executor.module_common import modify_module
from ansible.module_utils.json_utils import _filter_non_json_lines from ansible.module_utils.json_utils import _filter_non_json_lines
from ansible.module_utils.six import binary_type, string_types, text_type, iteritems, with_metaclass from ansible.module_utils.six import binary_type, string_types, text_type, iteritems, with_metaclass
from ansible.module_utils.six.moves import shlex_quote from ansible.module_utils.six.moves import shlex_quote
@ -153,18 +153,15 @@ class ActionBase(with_metaclass(ABCMeta, object)):
"run 'git pull --rebase' to correct this problem." % (module_name)) "run 'git pull --rebase' to correct this problem." % (module_name))
# insert shared code and arguments into the module # insert shared code and arguments into the module
(module_data, module_style, module_shebang) = modify_module(module_name, module_path, module_args, final_environment = dict()
task_vars=task_vars, module_compression=self._play_context.module_compression) self._compute_environment_string(final_environment)
# FUTURE: we'll have to get fancier about this to support powershell over SSH on Windows... (module_data, module_style, module_shebang) = modify_module(module_name, module_path, module_args,
if self._connection.transport == "winrm": task_vars=task_vars, module_compression=self._play_context.module_compression,
# WinRM always pipelines, so we need to build up a fancier module payload... async_timeout=self._task.async, become=self._play_context.become,
final_environment = dict() become_method=self._play_context.become_method, become_user=self._play_context.become_user,
self._compute_environment_string(final_environment) become_password=self._play_context.become_pass,
module_data = build_windows_module_payload(module_name=module_name, module_path=module_path, environment=final_environment)
b_module_data=module_data, module_args=module_args,
task_vars=task_vars, task=self._task,
play_context=self._play_context, environment=final_environment)
return (module_style, module_shebang, module_data, module_path) return (module_style, module_shebang, module_data, module_path)
@ -184,7 +181,7 @@ class ActionBase(with_metaclass(ABCMeta, object)):
# block then task 'win' in precedence # block then task 'win' in precedence
environments.reverse() environments.reverse()
for environment in environments: for environment in environments:
if environment is None: if environment is None or len(environment) == 0:
continue continue
temp_environment = self._templar.template(environment) temp_environment = self._templar.template(environment)
if not isinstance(temp_environment, dict): if not isinstance(temp_environment, dict):
@ -193,7 +190,8 @@ class ActionBase(with_metaclass(ABCMeta, object)):
# these environment settings should not need to merge sub-dicts # these environment settings should not need to merge sub-dicts
final_environment.update(temp_environment) final_environment.update(temp_environment)
final_environment = self._templar.template(final_environment) if len(final_environment) > 0:
final_environment = self._templar.template(final_environment)
if isinstance(raw_environment_out, dict): if isinstance(raw_environment_out, dict):
raw_environment_out.clear() raw_environment_out.clear()
@ -212,13 +210,11 @@ class ActionBase(with_metaclass(ABCMeta, object)):
''' '''
Determines if we are required and can do pipelining Determines if we are required and can do pipelining
''' '''
if self._connection.always_pipeline_modules:
return True # eg, winrm
# any of these require a true # any of these require a true
for condition in [ for condition in [
self._connection.has_pipelining, self._connection.has_pipelining,
self._play_context.pipelining, self._play_context.pipelining or self._connection.always_pipeline_modules, # pipelining enabled for play or connection requires it (eg winrm)
module_style == "new", # old style modules do not support pipelining module_style == "new", # old style modules do not support pipelining
not C.DEFAULT_KEEP_REMOTE_FILES, # user wants remote files not C.DEFAULT_KEEP_REMOTE_FILES, # user wants remote files
not wrap_async, # async does not support pipelining not wrap_async, # async does not support pipelining

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@ -335,17 +335,17 @@ class Connection(ConnectionBase):
def exec_command(self, cmd, in_data=None, sudoable=True): def exec_command(self, cmd, in_data=None, sudoable=True):
super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable) super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
cmd_parts = self._shell._encode_script(exec_wrapper, as_list=True, strict_mode=False, preserve_rc=False) cmd_parts = self._shell._encode_script(cmd, as_list=True, strict_mode=False, preserve_rc=False)
# TODO: display something meaningful here # TODO: display something meaningful here
display.vvv("EXEC (via pipeline wrapper)") display.vvv("EXEC (via pipeline wrapper)")
if not in_data: stdin_iterator = None
payload = self._create_raw_wrapper_payload(cmd)
else:
payload = in_data
result = self._winrm_exec(cmd_parts[0], cmd_parts[1:], from_exec=True, stdin_iterator=self._wrapper_payload_stream(payload)) if in_data:
stdin_iterator = self._wrapper_payload_stream(in_data)
result = self._winrm_exec(cmd_parts[0], cmd_parts[1:], from_exec=True, stdin_iterator=stdin_iterator)
result.std_out = to_bytes(result.std_out) result.std_out = to_bytes(result.std_out)
result.std_err = to_bytes(result.std_err) result.std_err = to_bytes(result.std_err)

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@ -55,7 +55,8 @@ begin {
# stream JSON including become_pw, ps_module_payload, bin_module_payload, become_payload, write_payload_path, preserve directives # stream JSON including become_pw, ps_module_payload, bin_module_payload, become_payload, write_payload_path, preserve directives
# exec runspace, capture output, cleanup, return module output # exec runspace, capture output, cleanup, return module output
$json_raw = "" # NB: do not adjust the following line- it is replaced when doing non-streamed module output
$json_raw = ''
} }
process { process {
$input_as_string = [string]$input $input_as_string = [string]$input
@ -1102,7 +1103,7 @@ class ShellModule(object):
def build_module_command(self, env_string, shebang, cmd, arg_path=None, rm_tmp=None): def build_module_command(self, env_string, shebang, cmd, arg_path=None, rm_tmp=None):
# pipelining bypass # pipelining bypass
if cmd == '': if cmd == '':
return '' return '-'
# non-pipelining # non-pipelining
@ -1194,15 +1195,22 @@ class ShellModule(object):
def _encode_script(self, script, as_list=False, strict_mode=True, preserve_rc=True): def _encode_script(self, script, as_list=False, strict_mode=True, preserve_rc=True):
'''Convert a PowerShell script to a single base64-encoded command.''' '''Convert a PowerShell script to a single base64-encoded command.'''
script = to_text(script) script = to_text(script)
if strict_mode:
script = u'Set-StrictMode -Version Latest\r\n%s' % script if script == u'-':
# try to propagate exit code if present- won't work with begin/process/end-style scripts (ala put_file) cmd_parts = _common_args + ['-']
# NB: the exit code returned may be incorrect in the case of a successful command followed by an invalid command
if preserve_rc: else:
script = u'%s\r\nIf (-not $?) { If (Get-Variable LASTEXITCODE -ErrorAction SilentlyContinue) { exit $LASTEXITCODE } Else { exit 1 } }\r\n' % script if strict_mode:
script = '\n'.join([x.strip() for x in script.splitlines() if x.strip()]) script = u'Set-StrictMode -Version Latest\r\n%s' % script
encoded_script = base64.b64encode(script.encode('utf-16-le')) # try to propagate exit code if present- won't work with begin/process/end-style scripts (ala put_file)
cmd_parts = _common_args + ['-EncodedCommand', encoded_script] # NB: the exit code returned may be incorrect in the case of a successful command followed by an invalid command
if preserve_rc:
script = u'%s\r\nIf (-not $?) { If (Get-Variable LASTEXITCODE -ErrorAction SilentlyContinue) { exit $LASTEXITCODE } Else { exit 1 } }\r\n'\
% script
script = '\n'.join([x.strip() for x in script.splitlines() if x.strip()])
encoded_script = base64.b64encode(script.encode('utf-16-le'))
cmd_parts = _common_args + ['-EncodedCommand', encoded_script]
if as_list: if as_list:
return cmd_parts return cmd_parts
return ' '.join(cmd_parts) return ' '.join(cmd_parts)

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@ -94,14 +94,14 @@
- "raw_result.stdout_lines[0] == 'wwe=raw'" - "raw_result.stdout_lines[0] == 'wwe=raw'"
# TODO: this test doesn't work anymore since we had to internally map Write-Host to Write-Output # TODO: this test doesn't work anymore since we had to internally map Write-Host to Write-Output
#- name: run a raw command with unicode chars and quoted args (from https://github.com/ansible/ansible-modules-core/issues/1929) - name: run a raw command with unicode chars and quoted args (from https://github.com/ansible/ansible-modules-core/issues/1929)
# raw: Write-Host --% icacls D:\somedir\ /grant "! ЗАО. Руководство":F raw: Write-Host --% icacls D:\somedir\ /grant "! ЗАО. Руководство":F
# register: raw_result2 register: raw_result2
#
#- name: make sure raw passes command as-is and doesn't split/rejoin args - name: make sure raw passes command as-is and doesn't split/rejoin args
# assert: assert:
# that: that:
# - "raw_result2.stdout_lines[0] == '--% icacls D:\\\\somedir\\\\ /grant \"! ЗАО. Руководство\":F'" - "raw_result2.stdout_lines[0] == '--% icacls D:\\\\somedir\\\\ /grant \"! ЗАО. Руководство\":F'"
# Assumes MaxShellsPerUser == 30 (the default) # Assumes MaxShellsPerUser == 30 (the default)
@ -116,12 +116,13 @@
- "not raw_with_items_result|failed" - "not raw_with_items_result|failed"
- "raw_with_items_result.results|length == 32" - "raw_with_items_result.results|length == 32"
- name: test raw with job to ensure that preamble-free InputEncoding is working # TODO: this test fails, since we're back to passing raw commands without modification
raw: Start-Job { echo yo } | Receive-Job -Wait #- name: test raw with job to ensure that preamble-free InputEncoding is working
register: raw_job_result # raw: Start-Job { echo yo } | Receive-Job -Wait
# register: raw_job_result
- name: check raw with job result #
assert: #- name: check raw with job result
that: # assert:
- raw_job_result | succeeded # that:
- raw_job_result.stdout_lines[0] == 'yo' # - raw_job_result | succeeded
# - raw_job_result.stdout_lines[0] == 'yo'

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@ -193,15 +193,16 @@
- "test_script_bool_result.stdout_lines[0] == 'System.Boolean'" - "test_script_bool_result.stdout_lines[0] == 'System.Boolean'"
- "test_script_bool_result.stdout_lines[1] == 'True'" - "test_script_bool_result.stdout_lines[1] == 'True'"
- name: run test script that uses envvars # FIXME: re-enable this test once script can run under the wrapper with powershell
script: test_script_with_env.ps1 #- name: run test script that uses envvars
environment: # script: test_script_with_env.ps1
taskenv: task # environment:
register: test_script_env_result # taskenv: task
# register: test_script_env_result
- name: ensure that script ran and that environment var was passed #
assert: #- name: ensure that script ran and that environment var was passed
that: # assert:
- test_script_env_result | succeeded # that:
- test_script_env_result.stdout_lines[0] == 'task' # - test_script_env_result | succeeded
# - test_script_env_result.stdout_lines[0] == 'task'
#

View file

@ -91,6 +91,7 @@ class TestActionBase(unittest.TestCase):
# create our fake task # create our fake task
mock_task = MagicMock() mock_task = MagicMock()
mock_task.action = "copy" mock_task.action = "copy"
mock_task.async = 0
# create a mock connection, so we don't actually try and connect to things # create a mock connection, so we don't actually try and connect to things
mock_connection = MagicMock() mock_connection = MagicMock()