157 lines
5.2 KiB
Python
157 lines
5.2 KiB
Python
#!/usr/bin/env python
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# Copyright 2015 Sam Yaple
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# Copyright 2017 99Cloud Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import collections
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import inspect
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import os
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from ansible.plugins import action
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from six import StringIO
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from oslo_config import iniparser
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class OverrideConfigParser(iniparser.BaseParser):
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def __init__(self):
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self._cur_sections = collections.OrderedDict()
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self._sections = collections.OrderedDict()
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self._cur_section = None
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def assignment(self, key, value):
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cur_value = self._cur_section.get(key)
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if len(value) == 1 and value[0] == '':
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value = []
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if not cur_value:
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self._cur_section[key] = [value]
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else:
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self._cur_section[key].append(value)
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def parse(self, lineiter):
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self._cur_sections = collections.OrderedDict()
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super(OverrideConfigParser, self).parse(lineiter)
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# merge _cur_sections into _sections
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for section, values in self._cur_sections.items():
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if section not in self._sections:
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self._sections[section] = collections.OrderedDict()
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for key, value in values.items():
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self._sections[section][key] = value
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def new_section(self, section):
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cur_section = self._cur_sections.get(section)
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if not cur_section:
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cur_section = collections.OrderedDict()
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self._cur_sections[section] = cur_section
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self._cur_section = cur_section
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return cur_section
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def write(self, fp):
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def write_key_value(key, values):
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for v in values:
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if not v:
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fp.write('{} =\n'.format(key))
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for index, value in enumerate(v):
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if index == 0:
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fp.write('{} = {}\n'.format(key, value))
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else:
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fp.write('{} {}\n'.format(len(key) * ' ', value))
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def write_section(section):
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for key, values in section.items():
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write_key_value(key, values)
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for section in self._sections:
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fp.write('[{}]\n'.format(section))
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write_section(self._sections[section])
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fp.write('\n')
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class ActionModule(action.ActionBase):
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TRANSFERS_FILES = True
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def read_config(self, source, config):
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# Only use config if present
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if os.access(source, os.R_OK):
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with open(source, 'r') as f:
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template_data = f.read()
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result = self._templar.template(template_data)
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fakefile = StringIO(result)
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config.parse(fakefile)
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fakefile.close()
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def run(self, tmp=None, task_vars=None):
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if task_vars is None:
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task_vars = dict()
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result = super(ActionModule, self).run(tmp, task_vars)
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# NOTE(jeffrey4l): Ansible 2.1 add a remote_user param to the
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# _make_tmp_path function. inspect the number of the args here. In
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# this way, ansible 2.0 and ansible 2.1 are both supported
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make_tmp_path_args = inspect.getargspec(self._make_tmp_path)[0]
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if not tmp and len(make_tmp_path_args) == 1:
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tmp = self._make_tmp_path()
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if not tmp and len(make_tmp_path_args) == 2:
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remote_user = (task_vars.get('ansible_user')
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or self._play_context.remote_user)
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tmp = self._make_tmp_path(remote_user)
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sources = self._task.args.get('sources', None)
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extra_vars = self._task.args.get('vars', list())
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if not isinstance(sources, list):
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sources = [sources]
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temp_vars = task_vars.copy()
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temp_vars.update(extra_vars)
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config = OverrideConfigParser()
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old_vars = self._templar._available_variables
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self._templar.set_available_variables(temp_vars)
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for source in sources:
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self.read_config(source, config)
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self._templar.set_available_variables(old_vars)
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# Dump configparser to string via an emulated file
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fakefile = StringIO()
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config.write(fakefile)
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remote_path = self._connection._shell.join_path(tmp, 'src')
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xfered = self._transfer_data(remote_path, fakefile.getvalue())
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fakefile.close()
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new_module_args = self._task.args.copy()
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new_module_args.pop('vars', None)
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new_module_args.pop('sources', None)
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new_module_args.update(
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dict(
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src=xfered
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)
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)
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result.update(self._execute_module(module_name='copy',
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module_args=new_module_args,
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task_vars=task_vars,
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tmp=tmp))
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return result
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