Merge remote-tracking branch 'origin/dmw'
* origin/dmw: issue #615: ensure 4GB max_message_size is configured for task workers. issue #615: update Changelog. issue #615: route a dead message to recipients when no reply is expected issue #615: fetch_file() might be called with AnsibleUnicode. issue #615: redirect 'fetch' action to 'mitogen_fetch'. issue #615: extricate slurp brainwrong from mitogen_fetch issue #615: ansible: import Ansible fetch.py action plug-in issue #533: include object identity of Stream in repr() docs: lots more changelog issue #595: add buildah to docs and changelog. docs: a few more internals.rst additionsnew-serialization
David Wilson
5 years ago
commit
e701fae41d
@ -0,0 +1,167 @@
|
||||
# (c) 2012-2014, 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
|
||||
|
||||
from ansible.module_utils._text import to_bytes
|
||||
from ansible.module_utils.six import string_types
|
||||
from ansible.module_utils.parsing.convert_bool import boolean
|
||||
from ansible.plugins.action import ActionBase
|
||||
from ansible.utils.hashing import checksum, md5, secure_hash
|
||||
from ansible.utils.path import makedirs_safe
|
||||
|
||||
|
||||
REMOTE_CHECKSUM_ERRORS = {
|
||||
'0': "unable to calculate the checksum of the remote file",
|
||||
'1': "the remote file does not exist",
|
||||
'2': "no read permission on remote file",
|
||||
'3': "remote file is a directory, fetch cannot work on directories",
|
||||
'4': "python isn't present on the system. Unable to compute checksum",
|
||||
'5': "stdlib json was not found on the remote machine. Only the raw module can work without those installed",
|
||||
}
|
||||
|
||||
|
||||
class ActionModule(ActionBase):
|
||||
|
||||
def run(self, tmp=None, task_vars=None):
|
||||
''' handler for fetch 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:
|
||||
if self._play_context.check_mode:
|
||||
result['skipped'] = True
|
||||
result['msg'] = 'check mode not (yet) supported for this module'
|
||||
return result
|
||||
|
||||
source = self._task.args.get('src', None)
|
||||
dest = self._task.args.get('dest', None)
|
||||
flat = boolean(self._task.args.get('flat'), strict=False)
|
||||
fail_on_missing = boolean(self._task.args.get('fail_on_missing', True), strict=False)
|
||||
validate_checksum = boolean(self._task.args.get('validate_checksum', True), strict=False)
|
||||
|
||||
# validate source and dest are strings FIXME: use basic.py and module specs
|
||||
if not isinstance(source, string_types):
|
||||
result['msg'] = "Invalid type supplied for source option, it must be a string"
|
||||
|
||||
if not isinstance(dest, string_types):
|
||||
result['msg'] = "Invalid type supplied for dest option, it must be a string"
|
||||
|
||||
if source is None or dest is None:
|
||||
result['msg'] = "src and dest are required"
|
||||
|
||||
if result.get('msg'):
|
||||
result['failed'] = True
|
||||
return result
|
||||
|
||||
source = self._connection._shell.join_path(source)
|
||||
source = self._remote_expand_user(source)
|
||||
|
||||
# calculate checksum for the remote file, don't bother if using
|
||||
# become as slurp will be used Force remote_checksum to follow
|
||||
# symlinks because fetch always follows symlinks
|
||||
remote_checksum = self._remote_checksum(source, all_vars=task_vars, follow=True)
|
||||
|
||||
# calculate the destination name
|
||||
if os.path.sep not in self._connection._shell.join_path('a', ''):
|
||||
source = self._connection._shell._unquote(source)
|
||||
source_local = source.replace('\\', '/')
|
||||
else:
|
||||
source_local = source
|
||||
|
||||
dest = os.path.expanduser(dest)
|
||||
if flat:
|
||||
if os.path.isdir(to_bytes(dest, errors='surrogate_or_strict')) and not dest.endswith(os.sep):
|
||||
result['msg'] = "dest is an existing directory, use a trailing slash if you want to fetch src into that directory"
|
||||
result['file'] = dest
|
||||
result['failed'] = True
|
||||
return result
|
||||
if dest.endswith(os.sep):
|
||||
# if the path ends with "/", we'll use the source filename as the
|
||||
# destination filename
|
||||
base = os.path.basename(source_local)
|
||||
dest = os.path.join(dest, base)
|
||||
if not dest.startswith("/"):
|
||||
# if dest does not start with "/", we'll assume a relative path
|
||||
dest = self._loader.path_dwim(dest)
|
||||
else:
|
||||
# files are saved in dest dir, with a subdir for each host, then the filename
|
||||
if 'inventory_hostname' in task_vars:
|
||||
target_name = task_vars['inventory_hostname']
|
||||
else:
|
||||
target_name = self._play_context.remote_addr
|
||||
dest = "%s/%s/%s" % (self._loader.path_dwim(dest), target_name, source_local)
|
||||
|
||||
dest = dest.replace("//", "/")
|
||||
|
||||
if remote_checksum in REMOTE_CHECKSUM_ERRORS:
|
||||
result['changed'] = False
|
||||
result['file'] = source
|
||||
result['msg'] = REMOTE_CHECKSUM_ERRORS[remote_checksum]
|
||||
# Historically, these don't fail because you may want to transfer
|
||||
# a log file that possibly MAY exist but keep going to fetch other
|
||||
# log files. Today, this is better achieved by adding
|
||||
# ignore_errors or failed_when to the task. Control the behaviour
|
||||
# via fail_when_missing
|
||||
if fail_on_missing:
|
||||
result['failed'] = True
|
||||
del result['changed']
|
||||
else:
|
||||
result['msg'] += ", not transferring, ignored"
|
||||
return result
|
||||
|
||||
# calculate checksum for the local file
|
||||
local_checksum = checksum(dest)
|
||||
|
||||
if remote_checksum != local_checksum:
|
||||
# create the containing directories, if needed
|
||||
makedirs_safe(os.path.dirname(dest))
|
||||
|
||||
# fetch the file and check for changes
|
||||
self._connection.fetch_file(source, dest)
|
||||
new_checksum = secure_hash(dest)
|
||||
# For backwards compatibility. We'll return None on FIPS enabled systems
|
||||
try:
|
||||
new_md5 = md5(dest)
|
||||
except ValueError:
|
||||
new_md5 = None
|
||||
|
||||
if validate_checksum and new_checksum != remote_checksum:
|
||||
result.update(dict(failed=True, md5sum=new_md5,
|
||||
msg="checksum mismatch", file=source, dest=dest, remote_md5sum=None,
|
||||
checksum=new_checksum, remote_checksum=remote_checksum))
|
||||
else:
|
||||
result.update({'changed': True, 'md5sum': new_md5, 'dest': dest,
|
||||
'remote_md5sum': None, 'checksum': new_checksum,
|
||||
'remote_checksum': remote_checksum})
|
||||
else:
|
||||
# For backwards compatibility. We'll return None on FIPS enabled systems
|
||||
try:
|
||||
local_md5 = md5(dest)
|
||||
except ValueError:
|
||||
local_md5 = None
|
||||
result.update(dict(changed=False, md5sum=local_md5, file=source, dest=dest, checksum=local_checksum))
|
||||
|
||||
finally:
|
||||
self._remove_tmp_path(self._connection._shell.tmpdir)
|
||||
|
||||
return result
|
||||
Loading…
Reference in New Issue