1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.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/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import re
import shlex
from ansible.errors import AnsibleError, AnsibleAction, _AnsibleActionDone, AnsibleActionFail, AnsibleActionSkip
from ansible.executor.powershell import module_manifest as ps_manifest
from ansible.module_utils._text import to_bytes, to_native, to_text
from ansible.plugins.action import ActionBase
class ActionModule(ActionBase):
TRANSFERS_FILES = True
# On Windows platform, absolute paths begin with a (back)slash
# after chopping off a potential drive letter.
windows_absolute_path_detection = re.compile(r'^(?:[a-zA-Z]\:)?(\\|\/)')
def run(self, tmp=None, task_vars=None):
''' handler for file transfer operations '''
if task_vars is None:
task_vars = dict()
result = super(ActionModule, self).run(tmp, task_vars)
del tmp # tmp no longer has any effect
try:
creates = self._task.args.get('creates')
if creates:
# do not run the command if the line contains creates=filename
# and the filename already exists. This allows idempotence
# of command executions.
if self._remote_file_exists(creates):
raise AnsibleActionSkip("%s exists, matching creates option" % creates)
removes = self._task.args.get('removes')
if removes:
# do not run the command if the line contains removes=filename
# and the filename does not exist. This allows idempotence
# of command executions.
if not self._remote_file_exists(removes):
raise AnsibleActionSkip("%s does not exist, matching removes option" % removes)
# The chdir must be absolute, because a relative path would rely on
# remote node behaviour & user config.
chdir = self._task.args.get('chdir')
if chdir:
# Powershell is the only Windows-path aware shell
if getattr(self._connection._shell, "_IS_WINDOWS", False) and \
not self.windows_absolute_path_detection.match(chdir):
raise AnsibleActionFail('chdir %s must be an absolute path for a Windows remote node' % chdir)
# Every other shell is unix-path-aware.
if not getattr(self._connection._shell, "_IS_WINDOWS", False) and not chdir.startswith('/'):
raise AnsibleActionFail('chdir %s must be an absolute path for a Unix-aware remote node' % chdir)
# Split out the script as the first item in raw_params using
# shlex.split() in order to support paths and files with spaces in the name.
# Any arguments passed to the script will be added back later.
raw_params = to_native(self._task.args.get('_raw_params', ''), errors='surrogate_or_strict')
parts = [to_text(s, errors='surrogate_or_strict') for s in shlex.split(raw_params.strip())]
source = parts[0]
# Support executable paths and files with spaces in the name.
executable = to_native(self._task.args.get('executable', ''), errors='surrogate_or_strict')
try:
source = self._loader.get_real_file(self._find_needle('files', source), decrypt=self._task.args.get('decrypt', True))
except AnsibleError as e:
raise AnsibleActionFail(to_native(e))
if self._task.check_mode:
# check mode is supported if 'creates' or 'removes' are provided
# the task has already been skipped if a change would not occur
if self._task.args.get('creates') or self._task.args.get('removes'):
result['changed'] = True
raise _AnsibleActionDone(result=result)
# If the script doesn't return changed in the result, it defaults to True,
# but since the script may override 'changed', just skip instead of guessing.
else:
result['changed'] = False
raise AnsibleActionSkip('Check mode is not supported for this task.', result=result)
# now we execute script, always assume changed.
result['changed'] = True
# transfer the file to a remote tmp location
tmp_src = self._connection._shell.join_path(self._connection._shell.tmpdir,
os.path.basename(source))
# Convert raw_params to text for the purpose of replacing the script since
# parts and tmp_src are both unicode strings and raw_params will be different
# depending on Python version.
#
# Once everything is encoded consistently, replace the script path on the remote
# system with the remainder of the raw_params. This preserves quoting in parameters
# that would have been removed by shlex.split().
target_command = to_text(raw_params).strip().replace(parts[0], tmp_src)
self._transfer_file(source, tmp_src)
# set file permissions, more permissive when the copy is done as a different user
self._fixup_perms2((self._connection._shell.tmpdir, tmp_src), execute=True)
# add preparation steps to one ssh roundtrip executing the script
env_dict = dict()
env_string = self._compute_environment_string(env_dict)
if executable:
script_cmd = ' '.join([env_string, executable, target_command])
else:
script_cmd = ' '.join([env_string, target_command])
script_cmd = self._connection._shell.wrap_for_exec(script_cmd)
exec_data = None
# PowerShell runs the script in a special wrapper to enable things
# like become and environment args
if getattr(self._connection._shell, "_IS_WINDOWS", False):
# FUTURE: use a more public method to get the exec payload
pc = self._play_context
exec_data = ps_manifest._create_powershell_wrapper(
to_bytes(script_cmd), source, {}, env_dict, self._task.async_val,
pc.become, pc.become_method, pc.become_user,
pc.become_pass, pc.become_flags, "script", task_vars, None
)
# build the necessary exec wrapper command
# FUTURE: this still doesn't let script work on Windows with non-pipelined connections or
# full manual exec of KEEP_REMOTE_FILES
script_cmd = self._connection._shell.build_module_command(env_string='', shebang='#!powershell', cmd='')
result.update(self._low_level_execute_command(cmd=script_cmd, in_data=exec_data, sudoable=True, chdir=chdir))
if 'rc' in result and result['rc'] != 0:
raise AnsibleActionFail('non-zero return code')
except AnsibleAction as e:
result.update(e.result)
finally:
self._remove_tmp_path(self._connection._shell.tmpdir)
return result
|
