144 lines
5.8 KiB
Python
144 lines
5.8 KiB
Python
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import os
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import re
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import shlex
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import ansible.constants as C
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from ansible.utils import template
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from ansible import utils
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from ansible import errors
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from ansible.runner.return_data import ReturnData
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class ActionModule(object):
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TRANSFERS_FILES = True
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def __init__(self, runner):
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self.runner = runner
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def run(self, conn, tmp, module_name, module_args, inject, complex_args=None, **kwargs):
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''' handler for file transfer operations '''
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if self.runner.noop_on_check(inject):
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# in check mode, always skip this module
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return ReturnData(conn=conn, comm_ok=True,
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result=dict(skipped=True, msg='check mode not supported for this module'))
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# extract ansible reserved parameters
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# From library/command keep in sync
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creates = None
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removes = None
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r = re.compile(r'(^|\s)(creates|removes)=(?P<quote>[\'"])?(.*?)(?(quote)(?<!\\)(?P=quote))((?<!\\)(?=\s)|$)')
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for m in r.finditer(module_args):
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v = m.group(4).replace("\\", "")
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if m.group(2) == "creates":
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creates = v
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elif m.group(2) == "removes":
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removes = v
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module_args = r.sub("", module_args)
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if complex_args:
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if creates is None:
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creates = complex_args.get('creates', None)
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if removes is None:
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removes = complex_args.get('removes', None)
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if creates:
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# do not run the command if the line contains creates=filename
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# and the filename already exists. This allows idempotence
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# of command executions.
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module_args_tmp = ""
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complex_args_tmp = dict(path=creates)
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module_return = self.runner._execute_module(conn, tmp, 'stat', module_args_tmp, inject=inject,
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complex_args=complex_args_tmp, persist_files=True)
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stat = module_return.result.get('stat', None)
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if stat and stat.get('exists', False):
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return ReturnData(
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conn=conn,
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comm_ok=True,
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result=dict(
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changed=False,
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msg=("skipped, since %s exists" % creates)
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)
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)
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if removes:
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# do not run the command if the line contains removes=filename
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# and the filename does not exist. This allows idempotence
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# of command executions.
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module_args_tmp = ""
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complex_args_tmp = dict(path=creates)
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module_return = self.runner._execute_module(conn, tmp, 'stat', module_args_tmp, inject=inject,
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complex_args=complex_args_tmp, persist_files=True)
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stat = module_return.result.get('stat', None)
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if stat and not stat.get('exists', False):
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return ReturnData(
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conn=conn,
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comm_ok=True,
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result=dict(
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changed=False,
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msg=("skipped, since %s does not exist" % removes)
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)
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)
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# Decode the result of shlex.split() to UTF8 to get around a bug in that's been fixed in Python 2.7 but not Python 2.6.
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# See: http://bugs.python.org/issue6988
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tokens = shlex.split(module_args.encode('utf8'))
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tokens = [s.decode('utf8') for s in tokens]
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# extract source script
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source = tokens[0]
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# FIXME: error handling
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args = " ".join(tokens[1:])
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source = template.template(self.runner.basedir, source, inject)
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if '_original_file' in inject:
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source = utils.path_dwim_relative(inject['_original_file'], 'files', source, self.runner.basedir)
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else:
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source = utils.path_dwim(self.runner.basedir, source)
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# transfer the file to a remote tmp location
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source = source.replace('\x00', '') # why does this happen here?
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args = args.replace('\x00', '') # why does this happen here?
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tmp_src = conn.shell.join_path(tmp, os.path.basename(source))
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tmp_src = tmp_src.replace('\x00', '')
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conn.put_file(source, tmp_src)
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sudoable = True
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# set file permissions, more permissive when the copy is done as a different user
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if self.runner.become and self.runner.become_user != 'root':
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chmod_mode = 'a+rx'
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sudoable = False
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else:
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chmod_mode = '+rx'
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self.runner._remote_chmod(conn, chmod_mode, tmp_src, tmp, sudoable=sudoable, become=self.runner.become)
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# add preparation steps to one ssh roundtrip executing the script
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env_string = self.runner._compute_environment_string(conn, inject)
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module_args = ' '.join([env_string, tmp_src, args])
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handler = utils.plugins.action_loader.get('raw', self.runner)
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result = handler.run(conn, tmp, 'raw', module_args, inject)
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# clean up after
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if "tmp" in tmp and not C.DEFAULT_KEEP_REMOTE_FILES:
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self.runner._remove_tmp_path(conn, tmp)
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result.result['changed'] = True
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return result
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