kolla-ansible/ansible/action_plugins/merge_configs.py
Lu lei 46e8196fcf Use six.StringIO
In links: http://pythonhosted.org/six/, we know 'cStringIO' is
a module of python 2.x, but in python3.x module 'io' has the
same function as 'cStringIO' in python2.x. So here we use
six.stringIO instead.

TrivialFix.

Change-Id: I8022b92b186e239cd76a36dab7766301bf96d2c4
2016-08-29 12:03:15 +08:00

97 lines
3.2 KiB
Python

#!/usr/bin/python
# Copyright 2015 Sam Yaple
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ConfigParser import ConfigParser
import inspect
import os
from six import StringIO
from ansible.plugins.action import ActionBase
class ActionModule(ActionBase):
TRANSFERS_FILES = True
def read_config(self, source, config):
# Only use config if present
if os.access(source, os.R_OK):
with open(source, 'r') as f:
template_data = f.read()
result = self._templar.template(template_data)
fakefile = StringIO(result)
config.readfp(fakefile)
fakefile.close()
def run(self, tmp=None, task_vars=None):
if task_vars is None:
task_vars = dict()
result = super(ActionModule, self).run(tmp, task_vars)
# NOTE(jeffrey4l): Ansible 2.1 add a remote_user param to the
# _make_tmp_path function. inspect the number of the args here. In
# this way, ansible 2.0 and ansible 2.1 are both supported
make_tmp_path_args = inspect.getargspec(self._make_tmp_path)[0]
if not tmp and len(make_tmp_path_args) == 1:
tmp = self._make_tmp_path()
if not tmp and len(make_tmp_path_args) == 2:
remote_user = (task_vars.get('ansible_ssh_user')
or self._play_context.remote_user)
tmp = self._make_tmp_path(remote_user)
sources = self._task.args.get('sources', None)
extra_vars = self._task.args.get('vars', list())
if not isinstance(sources, list):
sources = [sources]
temp_vars = task_vars.copy()
temp_vars.update(extra_vars)
config = ConfigParser()
old_vars = self._templar._available_variables
self._templar.set_available_variables(temp_vars)
for source in sources:
self.read_config(source, config)
self._templar.set_available_variables(old_vars)
# Dump configparser to string via an emulated file
fakefile = StringIO()
config.write(fakefile)
remote_path = self._connection._shell.join_path(tmp, 'src')
xfered = self._transfer_data(remote_path, fakefile.getvalue())
fakefile.close()
new_module_args = self._task.args.copy()
del new_module_args['vars']
del new_module_args['sources']
new_module_args.update(
dict(
src=xfered
)
)
result.update(self._execute_module(module_name='copy',
module_args=new_module_args,
task_vars=task_vars,
tmp=tmp))
return result