community.general/lib/ansible/plugins/lookup/ini.py

120 lines
4.1 KiB
Python

# (c) 2015, Yannig Perre <yannig.perre(at)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
from collections import MutableSequence
from io import StringIO
from ansible.errors import AnsibleError
from ansible.module_utils.six.moves import configparser
from ansible.module_utils._text import to_bytes, to_text
from ansible.plugins.lookup import LookupBase
def _parse_params(term):
'''Safely split parameter term to preserve spaces'''
keys = ['key', 'type', 'section', 'file', 're', 'default']
params = {}
for k in keys:
params[k] = ''
thiskey = 'key'
for idp,phrase in enumerate(term.split()):
for k in keys:
if ('%s=' % k) in phrase:
thiskey = k
if idp == 0 or not params[thiskey]:
params[thiskey] = phrase
else:
params[thiskey] += ' ' + phrase
rparams = [params[x] for x in keys if params[x]]
return rparams
class LookupModule(LookupBase):
def read_properties(self, filename, key, dflt, is_regexp):
config = StringIO()
current_cfg_file = open(to_bytes(filename, errors='surrogate_or_strict'), 'rb')
config.write(u'[java_properties]\n' + to_text(current_cfg_file.read(), errors='surrogate_or_strict'))
config.seek(0, os.SEEK_SET)
self.cp.readfp(config)
return self.get_value(key, 'java_properties', dflt, is_regexp)
def read_ini(self, filename, key, section, dflt, is_regexp):
self.cp.readfp(open(to_bytes(filename, errors='surrogate_or_strict')))
return self.get_value(key, section, dflt, is_regexp)
def get_value(self, key, section, dflt, is_regexp):
# Retrieve all values from a section using a regexp
if is_regexp:
return [v for k, v in self.cp.items(section) if re.match(key, k)]
value = None
# Retrieve a single value
try:
value = self.cp.get(section, key)
except configparser.NoOptionError:
return dflt
return value
def run(self, terms, variables=None, **kwargs):
basedir = self.get_basedir(variables)
self.basedir = basedir
self.cp = configparser.ConfigParser()
ret = []
for term in terms:
params = _parse_params(term)
key = params[0]
paramvals = {
'file' : 'ansible.ini',
're' : False,
'default' : None,
'section' : "global",
'type' : "ini",
}
# parameters specified?
try:
for param in params[1:]:
name, value = param.split('=')
assert(name in paramvals)
paramvals[name] = value
except (ValueError, AssertionError) as e:
raise AnsibleError(e)
path = self.find_file_in_search_path(variables, 'files', paramvals['file'])
if paramvals['type'] == "properties":
var = self.read_properties(path, key, paramvals['default'], paramvals['re'])
else:
var = self.read_ini(path, key, paramvals['section'], paramvals['default'], paramvals['re'])
if var is not None:
if isinstance(var, MutableSequence):
for v in var:
ret.append(v)
else:
ret.append(var)
return ret